Harrisburg Weather Forecast

    • 68
    • 83

    Chance Thunderstorms

    • 68
    • 85

    Chance Rain Showers

    • 67
    • 90

    Slight Chance Thunderstorms

    • 66
    • 91

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 67
    • 93

    Chance Rain Showers

    • 66
    • 92

    Chance Rain Showers

Today 10 Sep Saline

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 10 Sep Saline

Mostly cloudy with a chance of Thunderstorms. A chance of Showers, mainly this evening. Patchy fog after midnight. Lows in the upper 60s. Northeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 40 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Harrisburg Temperature Statistics

September Temperature

Harrisburg-Raleigh Airport (5 miles)

  • Lowest 8 September, 2026

    59.2 °F
  • Average September

    78 °F
  • Highest 5 September, 2026

    100.9 °F

Climate (2021–2026)

Harrisburg-Raleigh Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    47.3 °F
  • Average 2021–2026

    57.5 °F
  • Average High 2021–2026

    68 °F
Get WillyWeather+ to remove ads