Greencastle Weather Forecast

    • 65
    • 91

    Increasing Clouds

    • 66
    • 91

    Chance Thunderstorms

    • 63
    • 89

    Slight Chance Thunderstorms

    • 58
    • 84

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 64
    • 87

    Slight Chance Thunderstorms

Today 5 Jun Franklin

Mostly sunny. Hot with Highs around 90. West Winds around 5 Mph.

Tonight 5 Jun Franklin

Partly cloudy. Lows in the mid 60s. Southwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Greencastle Temperature Statistics

June Temperature

Hagerstown, Washington County Regional Airport (5.6 miles)

  • Lowest 1 June, 2026

    50.6 °F

  • Average June

    65 °F

  • Highest 1 June, 2026

    78.7 °F

Climate (2021–Present)

Hagerstown, Washington County Regional Airport (5.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
Get WillyWeather+ to remove ads