Charlestown Weather Forecast

    • 57
    • 79

    Severe Tstms

    • 58
    • 81

    Partly Sunny

    • 59
    • 83

    Mostly Sunny

    • 63
    • 87

    Partly Sunny

    • 66
    • 89

    Chance Rain Showers

    • 68
    • 92

    Slight Chance Thunderstorms

Today 26 Jun Sullivan

Mostly cloudy. A chance of Showers this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and small hail this afternoon. Highs in the mid 70s. Light and variable Winds. Chance of rain 60 percent.

Tonight 26 Jun Sullivan

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds and small hail in the evening. Lows in the upper 50s. Light and variable Winds. Chance of rain 50 percent.

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Charlestown Temperature Statistics

June Temperature

Springfield, Hartness State Springfield Airport (8.7 miles)

  • Lowest 2 June, 2026

    39.7 °F

  • Average June

    67.7 °F

  • Highest 12 June, 2026

    92.6 °F

Climate (2021–2026)

Springfield, Hartness State Springfield Airport (8.7 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    59 °F
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