North Waltham Weather Forecast

    • 45
    • 62

    Increasing Clouds

    • 50
    • 62

    Chance Rain Showers

    • 48
    • 63

    Rain Showers

    • 48
    • 61

    Chance Rain Showers

    • 56
    • 75

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

Today 12 May Southeast Middlesex

Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 12 May Southeast Middlesex

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 40s. Northwest Winds around 5 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Waltham Temperature Statistics

May Temperature

Laurence G Hanscom Field Airport (5.6 miles)

  • Lowest 9 May, 2026

    34 °F

  • Average May

    55.1 °F

  • Highest 5 May, 2026

    81 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (5.6 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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