Charlestown Weather Forecast

    • 58
    • 80

    Becoming Sunny

    • 67
    • 90

    Rain Showers

    • 65
    • 84

    Rain Showers

    • 60
    • 84

    Mostly Sunny

    • 58
    • 83

    Chance Rain Showers

    • 56
    • 78

    Mostly Sunny

    • 63
    • 83

    Mostly Cloudy

Today 29 Jun Sullivan

Partly sunny. Highs around 80. Northwest Winds around 10 Mph.

Tonight 29 Jun Sullivan

Partly cloudy this Evening, then clearing. Areas of fog after midnight. Lows in the upper 50s. Northwest Winds around 10 Mph this Evening, becoming light and variable.

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Charlestown Temperature Statistics

June Temperature

Springfield, Hartness State Springfield Airport (8.7 miles)

  • Lowest 2 June, 2025

    39.7 °F

  • Average June

    68.2 °F

  • Highest 24 June, 2025

    98.7 °F

Climate (2020–Present)

Springfield, Hartness State Springfield Airport (8.7 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    58.8 °F
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