Belmont Weather Forecast

    • 67
    • 85

    Mostly Sunny

    • 72
    • 91

    Mostly Sunny

    • 72
    • 97

    Slight Chance Thunderstorms

    • 65
    • 82

    Slight Chance Thunderstorms

    • 66
    • 82

    Chance Rain Showers

    • 67
    • 83

    Slight Chance Rain Showers

Today 23 Jul Southeast Middlesex

Mostly sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 23 Jul Southeast Middlesex

Mostly clear. Near steady temperature around 60. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belmont Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (7.5 miles)

  • Lowest 19 July, 2025

    52.6 °F

  • Average July

    77.1 °F

  • Highest 16 July, 2025

    94.6 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (7.5 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62 °F
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