Littleton Weather Forecast

    • 65
    • 82

    Rain Showers

    • 58
    • 84

    Chance Rain Showers

    • 56
    • 80

    Sunny

    • 58
    • 82

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

    • 63
    • 84

    Partly Sunny

Today 21 Jul Central Middlesex County

Mostly cloudy. A chance of Showers with isolated Thunderstorms. Highs in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 21 Jul Central Middlesex County

Showers with a chance of Thunderstorms in the Evening, then Showers likely with isolated Thunderstorms after midnight. Locally heavy rainfall possible in the evening. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Littleton Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (11.8 miles)

  • Lowest 16 July, 2026

    55.9 °F

  • Average July

    75.3 °F

  • Highest 2 July, 2026

    98.1 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (11.8 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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