Waltham Weather Forecast

    • 40
    • 67

    Mostly Sunny

    • 43
    • 74

    Mostly Sunny

    • 45
    • 60

    Chance Rain

    • 29
    • 60

    Chance Rain

    • 34
    • 44

    Chance Rain

    • 30
    • 47

    Mostly Cloudy

    • 38
    • 51

    Chance Rain

Today 9 Mar Southeast Middlesex

Mostly sunny. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 9 Mar Southeast Middlesex

Mostly clear. Lows around 40. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waltham Temperature Statistics

March Temperature

Laurence G Hanscom Field Airport (6.8 miles)

  • Lowest 2 March, 2026

    3.9 °F

  • Average March

    29.8 °F

  • Highest 4 March, 2026

    53.1 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (6.8 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.8 °F
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