Summerville Weather Forecast

    • 61
    • 82

    Increasing Clouds

    • 62
    • 83

    Chance Rain Showers

    • 65
    • 86

    Mostly Cloudy

    • 44
    • 77

    Rain Showers Likely

    • 50
    • 68

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

Today 9 Mar Dorchester

Areas of fog this morning. Mostly sunny. Highs in the lower 80s. West Winds around 5 Mph.

Tonight 9 Mar Dorchester

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 60s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerville Temperature Statistics

March Temperature

Summerville Airport (6.2 miles)

  • Lowest 2 March, 2026

    42.8 °F

  • Average March

    61.9 °F

  • Highest 6 March, 2026

    84.2 °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

    76.6 °F
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