Harrisburg Weather Forecast

    • 70
    • 85

    Partly Sunny

    • 71
    • 92

    Slight Chance Thunderstorms

    • 73
    • 90

    Chance Rain Showers

Today 31 Aug Dauphin

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the lower 80s. East Winds around 5 Mph, becoming south this afternoon. Chance of rain 50 percent.

Tonight 31 Aug Dauphin

A slight chance of Thunderstorms in the evening. Mostly cloudy with a slight chance of Showers. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Harrisburg Temperature Statistics

August Temperature

Harrisburg, Capital City Airport (3.7 miles)

  • Lowest 24 August, 2026

    59 °F

  • Average August

    74.5 °F

  • Highest 17 August, 2026

    90 °F

Climate (2021–2026)

Harrisburg, Capital City Airport (3.7 miles)

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

  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66.2 °F
Get WillyWeather+ to remove ads