North Waltham Weather Forecast

    • 48
    • 76

    Partly Sunny

    • 52
    • 68

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 62
    • 78

    Chance Rain Showers

    • 56
    • 77

    Slight Chance Rain Showers

    • 56
    • 71

    Slight Chance Rain

Today 14 Sep Southeast Middlesex

Partly sunny. A slight chance of Showers and Thunderstorms in the morning. Highs in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 14 Sep Southeast Middlesex

Clear. Much cooler with Lows in the upper 40s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Waltham Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (5.6 miles)

  • Lowest 7 September, 2026

    46.9 °F

  • Average September

    66.6 °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

    41.2 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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