Chelmsford, MA Weather

    08:00 Wednesday
    Partly cloudy
    Partly cloudy
    3° Feels like 0°
    Moderate south wind South 12 - 22 km/h
    • Today 14 Jan. Light rain with partly cloudy skies 30% 0.2 mm 11° / 2° Moderate southwest wind 19 - 39 km/h
    • Tomorrow 15 Jan. Scattered clouds 9° / -7° Moderate west wind 21 - 43 km/h
    • Friday 16 Jan. Scattered clouds -2° / -10° Strong west wind 26 - 57 km/h
    • Saturday 17 Jan. Snow with cloudy skies 70% 1.2 mm 3° / -3° Moderate south wind 11 - 26 km/h
    • Sunday 18 Jan. Partly cloudy 5° / -2° Moderate southwest wind 12 - 23 km/h
    • Monday 19 Jan. Scattered clouds 1° / -5° Moderate southwest wind 18 - 43 km/h
    • Tuesday 20 Jan. Scattered clouds -2° / -13° Strong west wind 27 - 60 km/h

    Weather Forecast for Chelmsford, MA Today

    , 14 January

    Tomorrow

    , 15 January
    08:00 Partly cloudy 3° Partly cloudy
    Feels Like 0°
    Moderate south wind South 12 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 58%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 6562 ft
    09:00 Partly cloudy 5° Partly cloudy
    Feels Like 3°
    Moderate south wind South 11 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 6562 ft
    10:00 Partly cloudy 7° Partly cloudy
    Feels Like 6°
    Moderate south wind South 9 - 21 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 90%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 6562 ft
    11:00 Partly cloudy 9° Partly cloudy
    Feels Like 8°
    Moderate south wind South 11 - 25 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 90%
    • Feels Like Feels Like 8 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 6562 ft
    12:00 Overcast 10° Overcast
    Feels Like 10°
    Moderate southwest wind Southwest 12 - 27 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 96%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 6234 ft
    13:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Moderate southwest wind Southwest 13 - 28 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 95%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 5906 ft
    Partly cloudy 14:00 Partly cloudy 10° Partly cloudy
    Feels Like 10°
    Moderate southwest wind Southwest 11 - 28 km/h
    		UV Index 1 Low SPF: no
    14:00 Overcast 10° Overcast
    Feels Like 10°
    Moderate southwest wind Southwest 11 - 28 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 95%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 5906 ft
    15:00 Overcast 10° Overcast
    Feels Like 9°
    Moderate southwest wind Southwest 9 - 25 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 9 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 5906 ft
    16:00 Overcast 8° Overcast
    Feels Like 7°
    Gentle south wind South 8 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 5906 ft
    Partly cloudy 17:00 Partly cloudy 7° Partly cloudy
    Feels Like 5°
    Gentle south wind South 8 - 16 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast 7° Overcast
    Feels Like 5°
    Gentle south wind South 8 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 92%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Snowline Snowline 5906 ft
    18:00 Overcast 6° Overcast
    Feels Like 4°
    Gentle south wind South 7 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 5577 ft
    19:00 Overcast 5° Overcast
    Feels Like 3°
    Gentle south wind South 8 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 5577 ft
    Partly cloudy 20:00 Partly cloudy 4° Partly cloudy
    Feels Like 3°
    Gentle south wind South 6 - 14 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast 4° Overcast
    Feels Like 3°
    Gentle south wind South 6 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 96%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 5906 ft
    21:00 Overcast 4° Overcast
    Feels Like 2°
    Gentle south wind South 8 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 88%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 5906 ft
    22:00 Overcast 3° Overcast
    Feels Like 2°
    Gentle south wind South 8 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 88%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Snowline Snowline 5577 ft
    Overcast 23:00 Overcast 3° Overcast
    Feels Like 2°
    Gentle south wind South 5 - 14 km/h
    		UV Index 0 Low SPF: no
    23:00 Light rain with cloudy skies 30% 0.2 mm 3° Light rain
    Feels Like 2°
    Gentle south wind South 5 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 90%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 8 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 999 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 4921 ft
    24:00 Light rain with cloudy skies 30% 0.008 mm 3° Light rain
    Feels Like 2°
    Gentle southeast wind Southeast 5 - 9 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.008 mm
    • Humidity Humidity 92%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 998 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 9 km/h
    • Snowline Snowline 4921 ft

    Sunrise and Sunset

    Sunrise 07:13 Sunset 16:36
    First light 06:41 Midday 11:54 Last light 17:07
    Day length 9h 23m

    Remaining daylight 8h 24m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    27 First Quarter

    Air quality in Chelmsford today

    Detail
    34
    Fair PM₂₅ (20 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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