Summerville Airport Weather Forecast

    • 59
    • 78

    Chance Rain Showers

    • 52
    • 80

    Sunny

    • 58
    • 81

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

    • 64
    • 90

    Partly Sunny

    • 65
    • 89

    Mostly Sunny

Today 13 May Dorchester

Partly sunny with a 40 percent chance of Showers. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 13 May Dorchester

Mostly clear. Lows in the upper 50s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Summerville Airport Temperature Statistics

May Temperature

Summerville Airport (0 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    67.2 °F

  • Highest 11 May, 2026

    87.8 °F

Climate (2021–Present)

Summerville Airport (0 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    76.7 °F
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