Chelmsford, MA Weather

    02:00 Thursday
    Snow
    Snow with cloudy skies
    -4° Feels like -9°
    90% 0.3 in
    • Today 1 Jan. Snow with partly cloudy skies 90% 1.9 mm -2° / -13° Strong northwest wind 26 - 56 km/h
    • Tomorrow 2 Jan. Clear -5° / -14° Moderate west wind 19 - 44 km/h
    • Saturday 3 Jan. Scattered clouds -2° / -11° Moderate west wind 21 - 47 km/h
    • Sunday 4 Jan. Scattered clouds -6° / -14° Moderate northwest wind 14 - 32 km/h
    • Monday 5 Jan. Scattered clouds -7° / -16° Moderate northwest wind 11 - 24 km/h
    • Tuesday 6 Jan. Snow with partly cloudy skies 60% 0.3 mm -3° / -13° Gentle northeast wind 4 - 11 km/h
    • Wednesday 7 Jan. Overcast 3° / -10° Gentle southeast wind 7 - 17 km/h

    Weather Forecast for Chelmsford, MA Today

    , 1 January

    Tomorrow

    , 2 January
    02:00 Snow with cloudy skies 90% 0.12 in -4° Snow
    Feels Like -9°
    Moderate south wind South 12 - 26 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 90% 0.12 in
    • Humidity Humidity 79%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -9 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1002 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 5 km
    03:00 Snow with cloudy skies 90% 0.16 in -4° Snow
    Feels Like -8°
    Moderate south wind South 12 - 24 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 90% 0.16 in
    • Humidity Humidity 84%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -8 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1001 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 5 km
    04:00 Snow with cloudy skies 90% 0.12 in -4° Snow
    Feels Like -7°
    Moderate south wind South 12 - 24 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 90% 0.12 in
    • Humidity Humidity 87%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1000 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 5 km
    Snow 05:00 Snow with cloudy skies 60% 0.12 in -3° Snow
    Feels Like -7°
    Moderate south wind South 10 - 23 km/h
    		UV Index 0 Low SPF: no
    05:00 Snow with cloudy skies 90% 0.8 in -3° Snow
    Feels Like -7°
    Moderate south wind South 10 - 23 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 60% 0.12 in
    • Humidity Humidity 91%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 999 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Visibility Visibility 6 km
    06:00 Snow with partly cloudy skies 40% 0.08 in -3° Snow
    Feels Like -6°
    Gentle south wind South 9 - 19 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 40% 0.08 in
    • Humidity Humidity 93%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 86%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 998 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Visibility Visibility 20 km
    07:00 Partly cloudy -4° Partly cloudy
    Feels Like -7°
    Gentle south wind South 8 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 93%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 998 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Visibility Visibility 20 km
    Overcast 08:00 Overcast -3° Overcast
    Feels Like -6°
    Gentle southwest wind Southwest 8 - 15 km/h
    		UV Index 0 Low SPF: no
    08:00 Snow with cloudy skies 30% 0.2 in -3° Snow
    Feels Like -6°
    Gentle southwest wind Southwest 8 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 93%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 98%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 998 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Visibility Visibility 8 km
    09:00 Snow with cloudy skies 30% 0.08 in -2° Snow
    Feels Like -7°
    Moderate west wind West 16 - 35 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.08 in
    • Humidity Humidity 78%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 998 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 25 km
    10:00 Partly cloudy -2° Partly cloudy
    Feels Like -7°
    Moderate northwest wind Northwest 18 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 91%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -7 °C
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 998 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Visibility Visibility 30 km
    Overcast 11:00 Overcast -3° Overcast
    Feels Like -9°
    Moderate northwest wind Northwest 22 - 46 km/h
    		UV Index 0 Low SPF: no
    11:00 Overcast -3° Overcast
    Feels Like -9°
    Moderate northwest wind Northwest 22 - 46 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 98%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -9 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 999 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 46 km/h
    • Visibility Visibility 30 km
    12:00 Scattered clouds -5° Scattered clouds
    Feels Like -12°
    Strong northwest wind Northwest 26 - 55 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point -12 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -12 °C
    • Wind Wind - Average 26 km/h
    • Pressure Pressure 999 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Visibility Visibility 35 km
    13:00 Clear -6° Sunny
    Feels Like -13°
    Strong northwest wind Northwest 25 - 55 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 1%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -13 °C
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1000 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Visibility Visibility 50 km
    Sunny 14:00 Clear -7° Sunny
    Feels Like -14°
    Strong northwest wind Northwest 26 - 55 km/h
    		UV Index 1 Low SPF: no
    14:00 Clear -7° Sunny
    Feels Like -14°
    Strong northwest wind Northwest 26 - 55 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 4%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 26 km/h
    • Pressure Pressure 1001 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Visibility Visibility 50 km
    15:00 Clear -8° Sunny
    Feels Like -15°
    Strong northwest wind Northwest 25 - 55 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 8%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1002 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Visibility Visibility 45 km
    16:00 Clear -9° Sunny
    Feels Like -16°
    Strong northwest wind Northwest 22 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 1%
    • Snow depth Snow depth 1.18 in
    • Feels Like Feels Like -16 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1004 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Visibility Visibility 50 km
    Clear 17:00 Clear skies -10° Clear
    Feels Like -17°
    Moderate west wind West 22 - 45 km/h
    		UV Index 0 Low SPF: no
    17:00 Clear skies -10° Clear
    Feels Like -17°
    Moderate west wind West 22 - 45 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point -17 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1005 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Visibility Visibility 50 km
    18:00 Clear skies -11° Clear
    Feels Like -18°
    Moderate northwest wind Northwest 21 - 45 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1005 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Visibility Visibility 45 km
    19:00 Clear skies -11° Clear
    Feels Like -19°
    Moderate northwest wind Northwest 20 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1006 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Visibility Visibility 45 km
    Clear 20:00 Clear skies -12° Clear
    Feels Like -19°
    Moderate west wind West 19 - 40 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies -12° Clear
    Feels Like -19°
    Moderate west wind West 19 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -19 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1006 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Visibility Visibility 45 km
    21:00 Clear skies -12° Clear
    Feels Like -20°
    Moderate west wind West 18 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point -20 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -20 °C
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1007 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Visibility Visibility 50 km
    22:00 Clear skies -12° Clear
    Feels Like -20°
    Moderate west wind West 17 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -20 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -20 °C
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1007 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Visibility Visibility 50 km
    Clear 23:00 Clear skies -13° Clear
    Feels Like -20°
    Moderate west wind West 17 - 36 km/h
    		UV Index 0 Low SPF: no
    23:00 Scattered clouds -13° Scattered clouds
    Feels Like -20°
    Moderate west wind West 17 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -20 °C
    • Clouds Clouds 6%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -20 °C
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1007 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Visibility Visibility 45 km
    24:00 Scattered clouds -13° Scattered clouds
    Feels Like -20°
    Moderate west wind West 15 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point -19 °C
    • Clouds Clouds 14%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -20 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1007 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 45 km

    Sunrise and Sunset

    Sunrise 07:15 Sunset 16:22
    First light 06:43 Midday 11:49 Last light 16:54
    Day length 9h 7m

    Time remaining until sunrise 5h 13m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    1 First Quarter
    2 Full Moon
    3 Full Moon
    4 Full Moon
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter
    14 Last Quarter

    Air quality in Chelmsford today

    Detail
    34
    Fair O₃ (84 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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