Harrisburg Weather Forecast

    • 74
    • 99

    Hot

    • 72
    • 98

    Slight Chance Thunderstorms

    • 72
    • 98

    Hot

    • 70
    • 97

    Hot

    • 64
    • 91

    Chance Rain Showers

    • 59
    • 81

    Partly Sunny

    • 59
    • 81

    Partly Sunny

Today 17 Sep Saline

Sunny, hot. Near steady temperature in the upper 90s. West Winds around 5 Mph.

Tonight 17 Sep Saline

Mostly clear. Lows in the mid 70s. Southwest Winds around 5 Mph this Evening, becoming light and variable.

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  • 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

    77.6 °F

  • Highest 5 September, 2026

    100.9 °F

Climate (2021–2026)

Harrisburg-Raleigh Airport (5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    68 °F
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