Rupert Weather Forecast

    • 50
    • 82

    Chance Rain

    • 46
    • 72

    Slight Chance Thunderstorms

    • 45
    • 72

    Mostly Sunny

    • 46
    • 76

    Mostly Sunny

    • 47
    • 80

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

Today 17 Sep Eastern Magic Valley

Rain Showers likely and a slight chance of Thunderstorms in the morning. Then a slight chance of Showers and Thunderstorms in the afternoon. Highs 77 to 84. Southeast Winds 10 to 20 Mph.

Tonight 17 Sep Eastern Magic Valley

Mostly cloudy with a chance of rain and a slight chance of Thunderstorms in the evening. Then partly cloudy with a slight chance of rain after midnight. Lows 48 to 55. Southeast Winds 10 to 15 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rupert Temperature Statistics

September Temperature

Burley Municipal Airport (6.8 miles)

  • Lowest 15 September, 2026

    37 °F

  • Average September

    62.4 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Burley Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    62.6 °F
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