Charlestown Weather Forecast

    • 42
    • 70

    Rain

    • 38
    • 58

    Rain

    • 47
    • 70

    Chance Rain Showers

    • 45
    • 67

    Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

    • 49
    • 68

    Slight Chance Rain Showers

Today 29 May Sullivan

Partly sunny this Morning, then mostly cloudy with rain likely this afternoon. Highs in the mid 60s. Northwest Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 29 May Sullivan

A slight chance of Thunderstorms in the evening. Rain. Lows in the upper 30s. West Winds around 10 Mph with Gusts up to 20 Mph, becoming northwest with Gusts up to 30 Mph after midnight. Chance of rain near 100 percent.

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Charlestown Temperature Statistics

May Temperature

Springfield, Hartness State Springfield Airport (8.7 miles)

  • Lowest 9 May, 2026

    30.7 °F

  • Average May

    56.3 °F

  • Highest 19 May, 2026

    91.7 °F

Climate (2021–Present)

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

    58.9 °F
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