Chelmsford Weather Forecast

    • 67
    • 77

    Slight Chance Rain Showers

    • 65
    • 93

    Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 67
    • 86

    Slight Chance Rain Showers

    • 70
    • 90

    Partly Sunny

    • 72
    • 92

    Partly Sunny

Today 18 Jun Central Middlesex County

Cloudy. A chance of Showers this morning. Patchy fog. Highs in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 30 percent.

Tonight 18 Jun Central Middlesex County

Mostly cloudy. Patchy fog. A slight chance of Showers in the evening. Humid with Lows in the upper 60s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chelmsford Temperature Statistics

June Temperature

Laurence G Hanscom Field Airport (9.3 miles)

  • Lowest 3 June, 2025

    44.7 °F

  • Average June

    65.3 °F

  • Highest 5 June, 2025

    93.7 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (9.3 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    62 °F
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