North Waltham Weather Forecast

    • 55
    • 59

    Rain

    • 57
    • 61

    Rain

    • 56
    • 63

    Rain Showers

    • 56
    • 67

    Mostly Cloudy

    • 58
    • 73

    Mostly Cloudy

    • 60
    • 74

    Partly Sunny

Today 26 Sep Southeast Middlesex

Showers, then Showers with a slight chance of Thunderstorms. Patchy fog. Some Thunderstorms may produce heavy rainfall. Breezy. Near steady temperature in the upper 50s. Northeast Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 26 Sep Southeast Middlesex

Showers with isolated Thunderstorms. Patchy fog. Some Thunderstorms may produce heavy rainfall. Breezy. Near steady temperature in the mid 50s. Northeast Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

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North Waltham Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (5.6 miles)

  • Lowest 24 September, 2026

    39.9 °F

  • Average September

    63.1 °F

  • Highest 4 September, 2026

    84 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (5.6 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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