Chelmsford, MA Weather

    02:00 Tuesday
    Scattered clouds
    Scattered clouds
    -2° Feels like -5°
    Last Quarter Last Quarter Illuminated: 23%
    • Today 13 Jan. Scattered clouds 6° / -2° Moderate southwest wind 21 - 43 km/h
    • Tomorrow 14 Jan. Light rain with cloudy skies 50% 0.4 mm 9° / 1° Moderate southwest wind 22 - 43 km/h
    • Thursday 15 Jan. Fog More information 7° / -11° Moderate west wind 22 - 47 km/h
    • Friday 16 Jan. Scattered clouds -1° / -13° Moderate west wind 20 - 44 km/h
    • Saturday 17 Jan. Scattered clouds 6° / -4° Moderate south wind 16 - 38 km/h
    • Sunday 18 Jan. Rain and snow with partly cloud skies 40% 1.6 mm 3° / -5° Moderate west wind 16 - 38 km/h
    • Monday 19 Jan. Partly cloudy 1° / -7° Moderate west wind 15 - 35 km/h

    Weather Forecast for Chelmsford, MA Today

    , 13 January

    Tomorrow

    , 14 January
    03:00 Scattered clouds -2° Scattered clouds
    Feels Like -5°
    Moderate southwest wind Southwest 12 - 24 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 54%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 0 ft
    04:00 Partly cloudy -2° Partly cloudy
    Feels Like -6°
    Moderate southwest wind Southwest 12 - 24 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 85%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 0 ft
    05:00 Scattered clouds -2° Scattered clouds
    Feels Like -5°
    Moderate southwest wind Southwest 11 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 38%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 0 ft
    06:00 Partly cloudy -2° Partly cloudy
    Feels Like -6°
    Moderate southwest wind Southwest 12 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 92%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 0 ft
    07:00 Scattered clouds -1° Scattered clouds
    Feels Like -5°
    Moderate southwest wind Southwest 11 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 28%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 0 ft
    Sunny 08:00 Clear -1° Sunny
    Feels Like -5°
    Moderate southwest wind Southwest 10 - 22 km/h
    		UV Index 0 Low SPF: no
    08:00 Scattered clouds -1° Scattered clouds
    Feels Like -5°
    Moderate southwest wind Southwest 10 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 0 ft
    09:00 Clear 0° Sunny
    Feels Like -2°
    Moderate southwest wind Southwest 9 - 20 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 328 ft
    10:00 Clear 2° Sunny
    Feels Like 0°
    Moderate southwest wind Southwest 8 - 21 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 656 ft
    Sunny 11:00 Clear 4° Sunny
    Feels Like 2°
    Moderate southwest wind Southwest 8 - 22 km/h
    		UV Index 1 Low SPF: no
    11:00 Clear 4° Sunny
    Feels Like 2°
    Moderate southwest wind Southwest 8 - 22 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 984 ft
    12:00 Clear 5° Sunny
    Feels Like 3°
    Moderate southwest wind Southwest 9 - 22 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 1312 ft
    13:00 Scattered clouds 6° Scattered clouds
    Feels Like 3°
    Moderate southwest wind Southwest 11 - 26 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 2297 ft
    Scattered clouds 14:00 Scattered clouds 6° Scattered clouds
    Feels Like 4°
    Moderate south wind South 12 - 27 km/h
    		UV Index 1 Low SPF: no
    14:00 Scattered clouds 6° Scattered clouds
    Feels Like 4°
    Moderate south wind South 12 - 27 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 1969 ft
    15:00 Scattered clouds 5° Scattered clouds
    Feels Like 3°
    Moderate south wind South 11 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 3937 ft
    16:00 Scattered clouds 4° Scattered clouds
    Feels Like 1°
    Moderate south wind South 11 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 4921 ft
    Partly cloudy 17:00 Partly cloudy 2° Partly cloudy
    Feels Like -1°
    Moderate south wind South 14 - 26 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy 2° Partly cloudy
    Feels Like -1°
    Moderate south wind South 14 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 5577 ft
    18:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate south wind South 17 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 63%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 5906 ft
    19:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate south wind South 18 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 86%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 5906 ft
    Partly cloudy 20:00 Partly cloudy 2° Partly cloudy
    Feels Like -2°
    Moderate south wind South 17 - 36 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast 2° Overcast
    Feels Like -2°
    Moderate south wind South 17 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 91%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 5906 ft
    21:00 Overcast 2° Overcast
    Feels Like -2°
    Moderate south wind South 17 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 97%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 5906 ft
    22:00 Overcast 3° Overcast
    Feels Like -1°
    Moderate south wind South 18 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 6234 ft
    Overcast 23:00 Overcast 4° Overcast
    Feels Like 0°
    Moderate south wind South 20 - 40 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 4° Overcast
    Feels Like 0°
    Moderate south wind South 20 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 5906 ft
    24:00 Overcast 5° Overcast
    Feels Like 1°
    Moderate southwest wind Southwest 21 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 5906 ft

    Sunrise and Sunset

    Sunrise 07:13 Sunset 16:35
    First light 06:42 Midday 11:54 Last light 17:06
    Day length 9h 22m

    Time remaining until sunrise 4h 16m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    25 First Quarter
    26 First Quarter

    Air quality in Chelmsford today

    Detail
    35
    Fair SO₂ (17 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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