Rupert Weather Forecast

    • 56
    • 85

    Becoming Sunny

    • 47
    • 84

    Mostly Sunny

    • 55
    • 79

    Partly Sunny

    • 58
    • 76

    Mostly Cloudy

    • 60
    • 81

    Partly Sunny

    • 60
    • 85

    Slight Chance Rain Showers

    • 59
    • 83

    Chance Rain Showers

Today 18 Sep Columbia

Sunny. Very warm. Near steady temperature in the lower 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Columbia

Mostly clear. Lows in the upper 50s. North Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rupert Temperature Statistics

September Temperature

Selinsgrove Penn Valley Airport (23 miles)

  • Lowest 8 September, 2025

    39.9 °F

  • Average September

    63.4 °F

  • Highest 13 September, 2025

    84 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (23 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    63.2 °F
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