Chelmsford, MA Weather

    10:00 Thursday
    Scattered clouds
    Scattered clouds
    7° Feels like 5°
    Moderate southwest wind Southwest 17 - 37 km/h
    • Today 15 Jan. Partly cloudy 10° / -5° Moderate southwest wind 21 - 48 km/h
    • Tomorrow 16 Jan. Scattered clouds -2° / -9° Strong west wind 25 - 55 km/h
    • Saturday 17 Jan. Snow with cloudy skies 90% 4.5 mm 5° / -5° Moderate southwest wind 17 - 32 km/h
    • Sunday 18 Jan. Partly cloudy 1° / -4° Moderate southwest wind 14 - 30 km/h
    • Monday 19 Jan. Scattered clouds -1° / -10° Moderate southwest wind 19 - 45 km/h
    • Tuesday 20 Jan. Scattered clouds -3° / -14° Strong west wind 25 - 61 km/h
    • Wednesday 21 Jan. Snow with partly cloudy skies 30% 0.3 mm -3° / -16° Moderate southwest wind 19 - 40 km/h

    Weather Forecast for Chelmsford, MA Today

    , 15 January

    Tomorrow

    , 16 January
    11:00 Scattered clouds 7° Scattered clouds
    Feels Like 5°
    Moderate southwest wind Southwest 17 - 37 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 993 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 4265 ft
    12:00 Scattered clouds 9° Scattered clouds
    Feels Like 7°
    Moderate southwest wind Southwest 21 - 44 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 55%
    • Feels Like Feels Like 7 °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 4265 ft
    13:00 Scattered clouds 10° Scattered clouds
    Feels Like 7°
    Moderate southwest wind Southwest 20 - 45 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 21%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 991 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Snowline Snowline 3609 ft
    14:00 Overcast 10° Overcast
    Feels Like 7°
    Moderate southwest wind Southwest 21 - 45 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 991 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Snowline Snowline 3281 ft
    15:00 Scattered clouds 8° Scattered clouds
    Feels Like 6°
    Moderate southwest wind Southwest 18 - 47 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 20%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 991 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 47 km/h
    • Snowline Snowline 2953 ft
    16:00 Clear 7° Sunny
    Feels Like 4°
    Moderate southwest wind Southwest 17 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 992 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 2625 ft
    Sunny 17:00 Clear 4° Sunny
    Feels Like 1°
    Moderate southwest wind Southwest 16 - 36 km/h
    		UV Index 0 Low SPF: no
    17:00 Clear 4° Sunny
    Feels Like 1°
    Moderate southwest wind Southwest 16 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 9%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 993 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 2297 ft
    18:00 Clear skies 2° Clear
    Feels Like -2°
    Moderate southwest wind Southwest 18 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 994 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 1312 ft
    19:00 Clear skies 0° Clear
    Feels Like -4°
    Moderate west wind West 18 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • 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 -5°
    Moderate southwest wind Southwest 14 - 36 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies -1° Clear
    Feels Like -5°
    Moderate southwest wind Southwest 14 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 996 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 0 ft
    21:00 Clear skies -2° Clear
    Feels Like -7°
    Moderate west wind West 14 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 996 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 0 ft
    22:00 Scattered clouds -3° Scattered clouds
    Feels Like -8°
    Moderate west wind West 13 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 13%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 996 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 0 ft
    Partly cloudy 23:00 Partly cloudy -4° Partly cloudy
    Feels Like -9°
    Moderate northwest wind Northwest 17 - 33 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast -4° Overcast
    Feels Like -9°
    Moderate northwest wind Northwest 17 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 86%
    • Feels Like Feels Like -9 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 996 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 0 ft
    24:00 Overcast -5° Overcast
    Feels Like -10°
    Moderate northwest wind Northwest 16 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -10 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 996 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 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

    Remaining daylight 5h 48m

    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
    27
    Fair PM₂₅ (14 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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