Belmont Weather Forecast

    • 45
    • 65

    Mostly Sunny

    • 42
    • 61

    Mostly Sunny

    • 38
    • 59

    Partly Sunny

    • 36
    • 56

    Partly Sunny

    • 36
    • 53

    Partly Sunny

    • 38
    • 54

    Partly Sunny

    • 40
    • 55

    Slight Chance Rain Showers

Today 22 Oct Southeast Middlesex

Mostly sunny. Highs in the mid 60s. Southwest Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 22 Oct Southeast Middlesex

Mostly clear. Lows in the mid 40s. Southwest Winds 5 to 10 Mph.

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Belmont Temperature Statistics

October Temperature

Laurence G Hanscom Field Airport (7.5 miles)

  • Lowest 10 October, 2025

    28 °F

  • Average October

    55.1 °F

  • Highest 5 October, 2025

    84 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (7.5 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62.1 °F
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