Somerville Weather Forecast

    • 62
    • 82

    Slight Chance Thunderstorms

    • 62
    • 83

    Chance Rain Showers

    • 63
    • 78

    Rain Showers

    • 64
    • 82

    Chance Rain Showers

    • 65
    • 85

    Partly Sunny

    • 64
    • 83

    Chance Rain Showers

Today 20 Jun Southeast Middlesex

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. West Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 20 Jun Southeast Middlesex

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 20 percent.

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Somerville Temperature Statistics

June Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 1 June, 2026

    49.6 °F

  • Average June

    72.6 °F

  • Highest 14 June, 2026

    91.7 °F

Climate (2021–2026)

Boston, Logan International Airport (4.3 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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