Waltham Weather Forecast

    • 60
    • 79

    Rain Showers

    • 60
    • 76

    Rain Showers

    • 61
    • 84

    Mostly Sunny

    • 63
    • 86

    Chance Rain Showers

    • 64
    • 84

    Chance Rain Showers

    • 64
    • 85

    Chance Rain Showers

Today 22 Jun Southeast Middlesex

Mostly cloudy with a 50 percent chance of Showers. Near steady temperature in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 22 Jun Southeast Middlesex

Showers with a chance of Thunderstorms. Patchy fog. Lows in the lower 60s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waltham Temperature Statistics

June Temperature

Laurence G Hanscom Field Airport (6.8 miles)

  • Lowest 2 June, 2026

    39 °F

  • Average June

    70.3 °F

  • Highest 11 June, 2026

    91 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (6.8 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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