Chelmsford, MA Weather

    03:00 Thursday
    Overcast
    Overcast
    3° Feels like 1°
    Last Quarter Last Quarter Illuminated: 9%
    • Today 15 Jan. Scattered clouds 10° / -7° Strong southwest wind 23 - 53 km/h
    • Tomorrow 16 Jan. Scattered clouds -2° / -9° Strong west wind 25 - 55 km/h
    • Saturday 17 Jan. Snow with cloudy skies 70% 2.2 mm 4° / -4° Moderate southwest wind 17 - 33 km/h
    • Sunday 18 Jan. Scattered clouds 2° / -3° Moderate southwest wind 17 - 38 km/h
    • Monday 19 Jan. Clear 1° / -8° Moderate southwest wind 19 - 39 km/h
    • Tuesday 20 Jan. Scattered clouds -2° / -12° Moderate west wind 19 - 49 km/h
    • Wednesday 21 Jan. Scattered clouds -5° / -13° Moderate west wind 16 - 44 km/h

    Weather Forecast for Chelmsford, MA Today

    , 15 January

    Tomorrow

    , 16 January
    03:00 Overcast 3° Overcast
    Feels Like 1°
    Gentle south wind South 8 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 995 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 4921 ft
    04:00 Overcast 3° Overcast
    Feels Like 1°
    Gentle south wind South 8 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 4921 ft
    05:00 Overcast 3° Overcast
    Feels Like 1°
    Gentle south wind South 9 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Snowline Snowline 4921 ft
    06:00 Overcast 3° Overcast
    Feels Like 1°
    Gentle south wind South 9 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Snowline Snowline 4593 ft
    07:00 Partly cloudy 3° Partly cloudy
    Feels Like 1°
    Gentle south wind South 9 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 66%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 993 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Snowline Snowline 4921 ft
    Scattered clouds 08:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Gentle south wind South 10 - 18 km/h
    		UV Index 0 Low SPF: no
    08:00 Partly cloudy 3° Partly cloudy
    Feels Like 0°
    Gentle south wind South 10 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 98%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 28%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 4921 ft
    09:00 Clear 4° Sunny
    Feels Like 2°
    Moderate south wind South 11 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 94%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 7%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 4921 ft
    10:00 Clear 6° Sunny
    Feels Like 3°
    Moderate south wind South 12 - 28 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 86%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 993 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 4593 ft
    Scattered clouds 11:00 Scattered clouds 7° Scattered clouds
    Feels Like 5°
    Moderate southwest wind Southwest 16 - 36 km/h
    		UV Index 1 Low SPF: no
    11:00 Scattered clouds 7° Scattered clouds
    Feels Like 5°
    Moderate southwest wind Southwest 16 - 36 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 17%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 993 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 4265 ft
    12:00 Scattered clouds 9° Scattered clouds
    Feels Like 6°
    Moderate southwest wind Southwest 21 - 44 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 47%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 992 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 3937 ft
    13:00 Partly cloudy 9° Partly cloudy
    Feels Like 7°
    Moderate southwest wind Southwest 23 - 49 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 60%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 991 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 49 km/h
    • Snowline Snowline 3281 ft
    Partly cloudy 14:00 Partly cloudy 9° Partly cloudy
    Feels Like 7°
    Moderate southwest wind Southwest 23 - 49 km/h
    		UV Index 0 Low SPF: no
    14:00 Partly cloudy 9° Partly cloudy
    Feels Like 7°
    Moderate southwest wind Southwest 23 - 49 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 86%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 991 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 49 km/h
    • Snowline Snowline 3281 ft
    15:00 Clear 8° Sunny
    Feels Like 5°
    Strong southwest wind Southwest 20 - 53 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 5%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 991 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 53 km/h
    • Snowline Snowline 2953 ft
    16:00 Clear 6° Sunny
    Feels Like 3°
    Moderate southwest wind Southwest 18 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 992 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 2625 ft
    Sunny 17:00 Clear 3° Sunny
    Feels Like 0°
    Moderate southwest wind Southwest 17 - 37 km/h
    		UV Index 0 Low SPF: no
    17:00 Clear 3° Sunny
    Feels Like 0°
    Moderate southwest wind Southwest 17 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 992 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 1969 ft
    18:00 Clear skies 2° Clear
    Feels Like -2°
    Moderate southwest wind Southwest 18 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 993 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 1312 ft
    19:00 Clear skies 0° Clear
    Feels Like -4°
    Moderate southwest wind Southwest 18 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -4 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 656 ft
    Clear 20:00 Clear skies -1° Clear
    Feels Like -6°
    Moderate southwest wind Southwest 18 - 36 km/h
    		UV Index 0 Low SPF: no
    20:00 Scattered clouds -1° Scattered clouds
    Feels Like -6°
    Moderate southwest wind Southwest 18 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 0 ft
    21:00 Scattered clouds -2° Scattered clouds
    Feels Like -7°
    Moderate southwest wind Southwest 17 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 31%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 0 ft
    22:00 Partly cloudy -3° Partly cloudy
    Feels Like -9°
    Moderate west wind West 20 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 59%
    • Feels Like Feels Like -9 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 0 ft
    Clear 23:00 Clear skies -5° Clear
    Feels Like -11°
    Moderate west wind West 20 - 42 km/h
    		UV Index 0 Low SPF: no
    23:00 Partly cloudy -5° Partly cloudy
    Feels Like -11°
    Moderate west wind West 20 - 42 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 995 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 0 ft
    24:00 Clear skies -6° Clear
    Feels Like -12°
    Moderate west wind West 17 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like -12 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 996 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 0 ft

    Sunrise and Sunset

    Sunrise 07:12 Sunset 16:37
    First light 06:41 Midday 11:54 Last light 17:08
    Day length 9h 25m

    Time remaining until sunrise 4h

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    15 Last Quarter
    16 Last Quarter
    17 New Moon
    18 New Moon
    19 New Moon
    20 First Quarter
    21 First Quarter
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter

    Air quality in Chelmsford today

    Detail
    26
    Fair O₃ (64 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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