Summerville Weather Forecast

    • 60
    • 86

    Becoming Sunny

    • 63
    • 89

    Rain Showers Likely

    • 52
    • 82

    Chance Thunderstorms

    • 52
    • 77

    Partly Sunny

    • 60
    • 81

    Chance Rain Showers

    • 61
    • 83

    Chance Thunderstorms

    • 61
    • 85

    Slight Chance Thunderstorms

Today 24 Apr Dorchester

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 24 Apr Dorchester

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerville Temperature Statistics

April Temperature

Summerville Airport (6.2 miles)

  • Lowest 9 April, 2026

    44.6 °F

  • Average April

    67.2 °F

  • Highest 16 April, 2026

    89.6 °F

Climate (2021–Present)

Summerville Airport (6.2 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    76.8 °F
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