Chelmsford, MA Weather

    08:00 Sunday
    Partly cloudy
    Partly cloudy
    2° Feels like 1°
    Gentle northwest wind Northwest 8 - 19 km/h
    • Today 11 Jan. Light rain with partly cloudy skies 90% 1.4 mm 8° / -2° Strong west wind 24 - 50 km/h
    • Tomorrow 12 Jan. Scattered clouds 2° / -5° Moderate west wind 21 - 46 km/h
    • Tuesday 13 Jan. Scattered clouds 7° / -3° Moderate southwest wind 14 - 30 km/h
    • Wednesday 14 Jan. Light rain with partly cloudy skies 70% 0.9 mm 10° / 1° Moderate southwest wind 17 - 36 km/h
    • Thursday 15 Jan. Light rain with partly cloudy skies 80% 1.7 mm 6° / -1° Moderate north wind 18 - 34 km/h
    • Friday 16 Jan. Snow with partly cloudy skies 80% 5 mm 1° / -13° Moderate north wind 19 - 43 km/h
    • Saturday 17 Jan. Scattered clouds -5° / -16° Moderate north wind 10 - 26 km/h

    Weather Forecast for Chelmsford, MA Today

    , 11 January

    Tomorrow

    , 12 January
    09:00 Partly cloudy 2° Partly cloudy
    Feels Like 1°
    Gentle northwest wind Northwest 8 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 74%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 6562 ft
    10:00 Overcast 4° Overcast
    Feels Like 2°
    Gentle northwest wind Northwest 8 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 92%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 4921 ft
    11:00 Overcast 5° Overcast
    Feels Like 3°
    Moderate northwest wind Northwest 10 - 22 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 3937 ft
    12:00 Partly cloudy 6° Partly cloudy
    Feels Like 4°
    Moderate northwest wind Northwest 13 - 30 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 86%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 2297 ft
    13:00 Scattered clouds 7° Scattered clouds
    Feels Like 5°
    Moderate northwest wind Northwest 11 - 30 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 23%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 2297 ft
    Sunny 14:00 Clear 7° Sunny
    Feels Like 5°
    Moderate west wind West 11 - 26 km/h
    		UV Index 1 Low SPF: no
    14:00 Scattered clouds 7° Scattered clouds
    Feels Like 5°
    Moderate west wind West 11 - 26 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 2297 ft
    15:00 Clear 6° Sunny
    Feels Like 4°
    Moderate west wind West 13 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 49%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 2297 ft
    16:00 Clear 5° Sunny
    Feels Like 2°
    Moderate west wind West 14 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 2297 ft
    Scattered clouds 17:00 Scattered clouds 2° Scattered clouds
    Feels Like -1°
    Moderate west wind West 16 - 29 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy 2° Partly cloudy
    Feels Like -1°
    Moderate west wind West 16 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 18%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 1640 ft
    18:00 Partly cloudy 1° Partly cloudy
    Feels Like -3°
    Moderate west wind West 17 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 73%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 1312 ft
    19:00 Scattered clouds 1° Scattered clouds
    Feels Like -3°
    Moderate west wind West 17 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 20%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 984 ft
    Clear 20:00 Clear skies 0° Clear
    Feels Like -4°
    Moderate west wind West 19 - 38 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 0° Partly cloudy
    Feels Like -4°
    Moderate west wind West 19 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 10%
    • Feels Like Feels Like -4 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 656 ft
    21:00 Partly cloudy 0° Partly cloudy
    Feels Like -5°
    Moderate west wind West 20 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 57%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 328 ft
    22:00 Scattered clouds -1° Scattered clouds
    Feels Like -6°
    Moderate west wind West 22 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 31%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 0 ft
    Partly cloudy 23:00 Partly cloudy -1° Partly cloudy
    Feels Like -7°
    Moderate west wind West 24 - 49 km/h
    		UV Index 0 Low SPF: no
    23:00 Partly cloudy -1° Partly cloudy
    Feels Like -7°
    Moderate west wind West 24 - 49 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 56%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 49 km/h
    • Snowline Snowline 0 ft
    24:00 Partly cloudy -2° Partly cloudy
    Feels Like -7°
    Strong west wind West 20 - 50 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 60%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 50 km/h
    • Snowline Snowline 0 ft

    Sunrise and Sunset

    Sunrise 07:14 Sunset 16:32
    First light 06:42 Midday 11:53 Last light 17:04
    Day length 9h 19m

    Remaining daylight 7h 39m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter
    14 Last Quarter
    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

    Air quality in Chelmsford today

    Detail
    29
    Fair O₃ (70 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

    Videos

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