Waltham Weather Forecast

    • 30
    • 57

    Rain Showers

    • 33
    • 39

    Becoming Sunny

    • 44
    • 62

    Partly Sunny

    • 34
    • 58

    Partly Sunny

    • 29
    • 48

    Slight Chance Rain/Snow

    • 27
    • 43

    Partly Sunny

    • 37
    • 53

    Slight Chance Rain Showers

Today 6 Mar Mower

Mostly cloudy with isolated Showers and Thunderstorms. Highs in the upper 50s. South Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 6 Mar Mower

Rain Showers with a chance of Thunderstorms this Evening, then a chance of Rain, freezing drizzle with a slight chance of Thunderstorms after midnight. Patchy fog. Colder with Lows around 30. Northwest Winds 10 to 20 Mph. Gusts up to 30 Mph after midnight. Chance of precipitation 90 percent.

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Waltham Temperature Statistics

March Temperature

Austin Municipal (10.6 miles)

  • Lowest 1 March, 2026

    4.6 °F

  • Average March

    29.4 °F

  • Highest 4 March, 2026

    48.6 °F

Climate (2021–Present)

Austin Municipal (10.6 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.6 °F
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