Chelmsford, MA Weather

    22:00 Thursday
    Clear
    Clear skies
    -12° Feels like -19°
    Full Moon Full Moon Illuminated: 100%
    • Today 4 Dec. Scattered clouds 3° / -13° Strong northwest wind 28 - 59 km/h
    • Tomorrow 5 Dec. Scattered clouds -6° / -19° Moderate northwest wind 14 - 30 km/h
    • Saturday 6 Dec. Snow with partly cloudy skies 30% 0.2 mm 3° / -7° Moderate southwest wind 13 - 25 km/h
    • Sunday 7 Dec. Snow with partly cloudy skies 50% 0.4 mm -2° / -7° Moderate west wind 12 - 22 km/h
    • Monday 8 Dec. Scattered clouds -6° / -16° Moderate northwest wind 19 - 42 km/h
    • Tuesday 9 Dec. Snow with partly cloudy skies 60% 0.9 mm 0° / -20° Moderate southwest wind 17 - 34 km/h
    • Wednesday 10 Dec. Partly cloudy 4° / -3° Moderate southwest wind 17 - 34 km/h

    Weather Forecast for Chelmsford, MA Today

    , 4 December

    Tomorrow

    , 5 December
    17:00 Overcast -3° Overcast
    Feels Like -9°
    Strong northwest wind Northwest 28 - 57 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -9 °C
    • Wind Wind - Average 28 km/h
    • Pressure Pressure 1015 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 57 km/h
    • Visibility Visibility 9 km
    18:00 Scattered clouds -6° Scattered clouds
    Feels Like -12°
    Strong northwest wind Northwest 21 - 58 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 10%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -12 °C
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1018 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 58 km/h
    • Visibility Visibility 45 km
    19:00 Scattered clouds -7° Scattered clouds
    Feels Like -14°
    Moderate northwest wind Northwest 19 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 21%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1020 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Visibility Visibility 45 km
    20:00 Clear skies -8° Clear
    Feels Like -15°
    Moderate northwest wind Northwest 17 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 7%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1021 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Visibility Visibility 45 km
    21:00 Clear skies -10° Clear
    Feels Like -16°
    Moderate northwest wind Northwest 17 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -16 °C
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1023 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Visibility Visibility 45 km
    22:00 Clear skies -11° Clear
    Feels Like -17°
    Moderate northwest wind Northwest 15 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -17 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Visibility Visibility 45 km
    23:00 Clear skies -12° Clear
    Feels Like -19°
    Moderate northwest wind Northwest 16 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Visibility Visibility 45 km
    24:00 Clear skies -13° Clear
    Feels Like -20°
    Moderate northwest wind Northwest 15 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -19 °C
    • Clouds Clouds 0%
    • Snow depth Snow depth 4.72 in
    • Feels Like Feels Like -20 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Visibility Visibility 45 km

    Sunrise and Sunset

    Sunrise 06:59 Sunset 16:12
    First light 06:27 Midday 11:35 Last light 16:43
    Day length 9h 13m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    4 Full Moon
    5 Full Moon
    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
    15 Last Quarter
    16 Last Quarter
    17 Last Quarter

    Air quality in Chelmsford today

    Detail
    35
    Fair O₃ (86 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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