Summerville Weather Forecast

    • 76
    • 97

    Thunderstorms Likely

    • 73
    • 95

    Chance Thunderstorms

    • 70
    • 87

    Thunderstorms Likely

    • 73
    • 88

    Mostly Cloudy

    • 76
    • 93

    Slight Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

Today 14 Jun Dorchester

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Heat index Values up to 107. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 14 Jun Dorchester

Mostly cloudy. Lows in the mid 70s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerville Temperature Statistics

June Temperature

Summerville Airport (6.2 miles)

  • Lowest 3 June, 2026

    51.8 °F

  • Average June

    74.8 °F

  • Highest 11 June, 2026

    95 °F

Climate (2021–Present)

Summerville Airport (6.2 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    76.8 °F
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