Belmont Weather Forecast

    • 37
    • 65

    Mostly Sunny

    • 42
    • 71

    Mostly Sunny

    • 45
    • 57

    Chance Rain

    • 28
    • 58

    Chance Rain

    • 34
    • 44

    Chance Rain

    • 29
    • 47

    Slight Chance Snow

Today 9 Mar Southeast Middlesex

Sunny. Highs in the mid 60s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph this afternoon.

Tonight 9 Mar Southeast Middlesex

Clear. Patchy fog after midnight. Lows in the upper 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belmont Temperature Statistics

March Temperature

Laurence G Hanscom Field Airport (7.5 miles)

  • Lowest 2 March, 2026

    3.9 °F

  • Average March

    28.3 °F

  • Highest 4 March, 2026

    53.1 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (7.5 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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