Charlestown Weather Forecast

    • 57
    • 79

    Decreasing Clouds

    • 53
    • 75

    Rain Showers Likely

    • 49
    • 71

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 52
    • 75

    Mostly Cloudy

    • 61
    • 74

    Chance Rain Showers

    • 53
    • 76

    Chance Rain Showers

Today 4 Sep Sullivan

Partly sunny. Highs in the mid 70s. Northwest Winds around 10 Mph.

Tonight 4 Sep Sullivan

Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Charlestown Temperature Statistics

September Temperature

Springfield, Hartness State Springfield Airport (8.7 miles)

  • Lowest 1 September, 2026

    60.7 °F

  • Average September

    63.7 °F

  • Highest 2 September, 2026

    68 °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

    48.6 °F

  • Average High 2021–2026

    59.2 °F
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