Somerville Weather Forecast

    • 51
    • 57

    Rain Showers

    • 48
    • 74

    Rain Showers

    • 44
    • 57

    Rain Showers

    • 44
    • 62

    Partly Sunny

    • 47
    • 64

    Chance Rain Showers

    • 47
    • 63

    Chance Rain Showers

Today 9 May Southeast Middlesex

A chance of Showers in the Morning, then Showers in the afternoon. Highs in the upper 50s. Southwest Winds 5 to 10 Mph, becoming southeast 10 to 15 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 9 May Southeast Middlesex

Mostly cloudy. Showers, mainly in the evening. Patchy fog. Near steady temperature in the lower 50s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 90 percent.

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Somerville Temperature Statistics

May Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 3 May, 2026

    44.7 °F

  • Average May

    57.7 °F

  • Highest 5 May, 2026

    79.6 °F

Climate (2021–Present)

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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