Chelmsford, MA Weather

    08:00 Sunday
    Partly cloudy
    Partly cloudy
    12° Feels like 12°
    Gentle west wind West 6 - 17 km/h
    reloj Hourly Overcast skies for the next few hours
    • Today 31 May Light rain with partly cloudy skies 80% 3.2 mm 20° / 5° Moderate northwest wind 18 - 44 km/h
    • Tomorrow 1 June Scattered clouds 16° / 7° Moderate northeast wind 15 - 35 km/h
    • Tuesday 2 June Scattered clouds 22° / 6° Moderate northwest wind 10 - 26 km/h
    • Wednesday 3 June Scattered clouds 25° / 10° Moderate south wind 13 - 26 km/h
    • Thursday 4 June Clear 29° / 11° Moderate southwest wind 12 - 24 km/h
    • Friday 5 June Scattered clouds 29° / 15° Moderate west wind 13 - 30 km/h
    • Saturday 6 June Light rain with partly cloudy skies 40% 3.4 mm 29° / 18° Strong west wind 19 - 55 km/h

    Weather Forecast for Chelmsford, MA Today

    , 31 May

    Tomorrow

    , 1 June
    08:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Gentle west wind West 6 - 17 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 61%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 6890 ft
    09:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Gentle west wind West 6 - 18 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 71%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 6562 ft
    10:00 Partly cloudy 18° Partly cloudy
    Feels Like 18°
    Moderate west wind West 8 - 22 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 86%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 6890 ft
    11:00 Overcast 19° Overcast
    Feels Like 19°
    Moderate northwest wind Northwest 10 - 32 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 97%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 6890 ft
    12:00 Partly cloudy 19° Partly cloudy
    Feels Like 19°
    Moderate northwest wind Northwest 17 - 39 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 41%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 96%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 6562 ft
    13:00 Partly cloudy 19° Partly cloudy
    Feels Like 19°
    Moderate northwest wind Northwest 18 - 41 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 20% 0 mm
    • Humidity Humidity 41%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 92%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 6890 ft
    Partly cloudy 14:00 Partly cloudy 19° Partly cloudy
    Feels Like 19°
    Moderate northwest wind Northwest 17 - 42 km/h
    		UV Index 4 Moderate SPF: 6-10
    14:00 Light rain with partly cloudy skies 40% 0.3 mm 19° Light rain
    Feels Like 19°
    Moderate northwest wind Northwest 17 - 42 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 20% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 91%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 7218 ft
    15:00 Light rain with partly cloudy skies 40% 0.012 mm 18° Light rain
    Feels Like 18°
    Moderate northwest wind Northwest 16 - 42 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 40% 0.012 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 94%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 7218 ft
    16:00 Light rain with cloudy skies 50% 0.016 mm 17° Light rain
    Feels Like 17°
    Moderate west wind West 16 - 39 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 50% 0.016 mm
    • Humidity Humidity 57%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 7218 ft
    Overcast 17:00 Overcast 17° Overcast
    Feels Like 17°
    Moderate northwest wind Northwest 17 - 37 km/h
    		UV Index 1 Low SPF: no
    17:00 Light rain with cloudy skies 50% 0.9 mm 17° Light rain
    Feels Like 17°
    Moderate northwest wind Northwest 17 - 37 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 97%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 6890 ft
    18:00 Light rain with partly cloudy skies 30% 0.02 mm 15° Light rain
    Feels Like 15°
    Moderate north wind North 10 - 43 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 30% 0.02 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 94%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 6890 ft
    19:00 Overcast 15° Overcast
    Feels Like 15°
    Moderate west wind West 10 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 6890 ft
    Partly cloudy 20:00 Partly cloudy 14° Partly cloudy
    Feels Like 14°
    Moderate west wind West 12 - 22 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast 14° Overcast
    Feels Like 14°
    Moderate west wind West 12 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 94%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 6890 ft
    21:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate west wind West 12 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 22%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 6890 ft
    22:00 Scattered clouds 12° Scattered clouds
    Feels Like 12°
    Moderate west wind West 9 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 38%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 6890 ft
    Light rain 23:00 Light rain with partly cloudy skies 30% 0.071 mm 10° Light rain
    Feels Like 10°
    Moderate northwest wind Northwest 8 - 28 km/h
    		UV Index 0 Low SPF: no
    23:00 Light rain with partly cloudy skies 30% 2 mm 10° Light rain
    Feels Like 10°
    Moderate northwest wind Northwest 8 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.071 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 76%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 4 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 6890 ft
    24:00 Light rain with partly cloudy skies 30% 0.008 mm 10° Light rain
    Feels Like 9°
    Gentle west wind West 8 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.008 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 9 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 6562 ft

    Air quality in Chelmsford today

    Detail
    37
    Fair O₃ (92 µg/m³)

    Sunrise and Sunset

    Sunrise 05:10 Sunset 20:15
    First light 04:36 Midday 12:43 Last light 20:50
    Day length 15h 5m

    Remaining daylight 11h 48m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    31 Full Moon
    1 Full Moon
    2 Last Quarter
    3 Last Quarter
    4 Last Quarter
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter

    What is the weather like in Chelmsford, MA in May?

    • Avg. Temp.
      Avg. Temp.: 14 °C Max.: 32 °C Min: -3 °C
    • Rainy Days
      Rainy Days: 14 days
    • Accumulated Rainfall
      Accumulated Rainfall: 104 mm
    • Average Wind Speed
      Average Wind Speed: 11 km/h

    Weather graphs

    Maximum Minimum Rainfall

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