Chelmsford Weather Forecast

    • 38
    • 59

    Increasing Clouds

    • 41
    • 58

    Rain

    • 35
    • 46

    Rain

    • 30
    • 59

    Partly Sunny

    • 28
    • 46

    Partly Sunny

    • 35
    • 46

    Rain Likely

    • 33
    • 51

    Slight Chance Snow Showers

Today 19 Mar Central Middlesex County

Mostly sunny. Near steady temperature in the mid 50s. East Winds around 5 Mph.

Tonight 19 Mar Central Middlesex County

Mostly cloudy. Patchy drizzle this Evening, then a slight chance of rain with patchy drizzle after midnight. Patchy fog. Not as cool with Lows in the upper 30s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chelmsford Temperature Statistics

March Temperature

Laurence G Hanscom Field Airport (9.3 miles)

  • Lowest 3 March, 2025

    8.9 °F

  • Average March

    40.6 °F

  • Highest 16 March, 2025

    70 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (9.3 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    61.9 °F
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