Greencastle Weather Forecast

    • 71
    • 80

    Rain Showers

    • 70
    • 87

    Rain Showers

    • 63
    • 89

    Rain Showers Likely

    • 65
    • 86

    Partly Sunny

    • 70
    • 91

    Partly Sunny

    • 74
    • 94

    Mostly Sunny

Today 17 Jun Franklin

Cloudy. Patchy fog this morning. A chance of Showers this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Warmer with Highs in the upper 70s. South Winds around 5 Mph. Chance of rain 70 percent.

Tonight 17 Jun Franklin

Showers with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 90 percent.

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Greencastle Temperature Statistics

June Temperature

Hagerstown, Washington County Regional Airport (5.6 miles)

  • Lowest 2 June, 2025

    46.7 °F

  • Average June

    72.4 °F

  • Highest 4 June, 2025

    89.7 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    65.8 °F
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