Somerville Weather Forecast

    • 61
    • 80

    Becoming Sunny

    • 67
    • 81

    Rain Showers

    • 66
    • 79

    Rain Showers Likely

    • 65
    • 82

    Mostly Sunny

    • 68
    • 86

    Slight Chance Rain Showers

    • 62
    • 84

    Chance Rain Showers

    • 60
    • 79

    Partly Sunny

Today 15 Aug Southeast Middlesex

Sunny. Near steady temperature in the upper 70s. North Winds around 5 Mph.

Tonight 15 Aug Southeast Middlesex

Mostly clear. Lows in the upper 50s. Northeast Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Somerville Temperature Statistics

August Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 4 August, 2026

    66.7 °F

  • Average August

    79.6 °F

  • Highest 7 August, 2026

    94.6 °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

    53.7 °F

  • Average High 2021–2026

    61 °F
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