Somerville Weather Forecast

    • 63
    • 72

    Slight Chance Rain Showers

    • 65
    • 75

    Chance Rain Showers

    • 61
    • 83

    Mostly Sunny

    • 62
    • 80

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

    • 66
    • 85

    Chance Rain Showers

    • 66
    • 83

    Chance Rain Showers

Today 22 Aug Southeast Middlesex

Cloudy with a slight chance of Showers with patchy drizzle. Near steady temperature around 70. Northeast Winds around 10 Mph. Chance of rain 20 percent.

Tonight 22 Aug Southeast Middlesex

Cloudy with a slight chance of Showers with patchy drizzle. Patchy fog. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Somerville Temperature Statistics

August Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 16 August, 2026

    62.7 °F

  • Average August

    77.8 °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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