Chelmsford, MA Weather

    11:00 Tuesday
    Partly cloudy
    Partly cloudy
    -6° Feels like -14°
    Strong west wind West 32 - 67 km/h
    • Today 30 Dec. Partly cloudy -3° / -9° Strong west wind 35 - 73 km/h
    • Tomorrow 31 Dec. Partly cloudy -2° / -8° Strong southwest wind 23 - 50 km/h
    • Thursday 1 Jan. Snow with partly cloudy skies 60% 0.6 mm -2° / -13° Moderate northwest wind 20 - 42 km/h
    • Friday 2 Jan. Scattered clouds -5° / -14° Moderate southwest wind 14 - 30 km/h
    • Saturday 3 Jan. Scattered clouds -3° / -12° Strong west wind 24 - 57 km/h
    • Sunday 4 Jan. Scattered clouds -6° / -17° Moderate north wind 7 - 29 km/h
    • Monday 5 Jan. Snow with partly cloudy skies 40% 0.3 mm 0° / -15° Moderate south wind 14 - 33 km/h

    Weather Forecast for Chelmsford, MA Today

    , 30 December

    Tomorrow

    , 31 December
    12:00 Partly cloudy -6° Partly cloudy
    Feels Like -14°
    Strong west wind West 32 - 67 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 47%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 80%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 32 km/h
    • Pressure Pressure 999 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 67 km/h
    • Visibility Visibility 50 km
    13:00 Partly cloudy -6° Partly cloudy
    Feels Like -15°
    Strong west wind West 35 - 72 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 47%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 93%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 35 km/h
    • Pressure Pressure 998 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 72 km/h
    • Visibility Visibility 50 km
    14:00 Partly cloudy -6° Partly cloudy
    Feels Like -14°
    Strong west wind West 29 - 73 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 47%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 71%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 999 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 73 km/h
    • Visibility Visibility 50 km
    15:00 Partly cloudy -7° Partly cloudy
    Feels Like -15°
    Strong west wind West 30 - 72 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 49%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 79%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 999 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 72 km/h
    • Visibility Visibility 45 km
    16:00 Partly cloudy -7° Partly cloudy
    Feels Like -16°
    Strong west wind West 33 - 72 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 83%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -16 °C
    • Wind Wind - Average 33 km/h
    • Pressure Pressure 1000 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 72 km/h
    • Visibility Visibility 45 km
    17:00 Scattered clouds -8° Scattered clouds
    Feels Like -15°
    Strong west wind West 27 - 67 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 27 km/h
    • Pressure Pressure 1000 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 67 km/h
    • Visibility Visibility 50 km
    18:00 Scattered clouds -8° Scattered clouds
    Feels Like -15°
    Strong west wind West 25 - 56 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 44%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1000 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Visibility Visibility 45 km
    19:00 Partly cloudy -8° Partly cloudy
    Feels Like -15°
    Strong west wind West 22 - 51 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 85%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1000 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 51 km/h
    • Visibility Visibility 40 km
    Overcast 20:00 Overcast -7° Overcast
    Feels Like -14°
    Moderate west wind West 22 - 46 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast -7° Overcast
    Feels Like -14°
    Moderate west wind West 22 - 46 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 97%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1000 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 46 km/h
    • Visibility Visibility 30 km
    21:00 Partly cloudy -7° Partly cloudy
    Feels Like -14°
    Moderate west wind West 23 - 48 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 72%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1001 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Visibility Visibility 40 km
    22:00 Partly cloudy -7° Partly cloudy
    Feels Like -14°
    Moderate west wind West 22 - 48 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 59%
    • Snow depth Snow depth 0.79 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1001 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Visibility Visibility 40 km
    Scattered clouds 23:00 Scattered clouds -8° Scattered clouds
    Feels Like -14°
    Moderate west wind West 20 - 45 km/h
    		UV Index 0 Low SPF: no
    23:00 Partly cloudy -8° Partly cloudy
    Feels Like -14°
    Moderate west wind West 20 - 45 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 51%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1002 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Visibility Visibility 45 km
    24:00 Scattered clouds -8° Scattered clouds
    Feels Like -14°
    Moderate west wind West 18 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 52%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1002 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Visibility Visibility 40 km

    Sunrise and Sunset

    Sunrise 07:15 Sunset 16:21
    First light 06:43 Midday 11:48 Last light 16:53
    Day length 9h 6m

    Remaining daylight 4h 36m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    30 First Quarter
    31 First Quarter
    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

    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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