Cedar Mesa Reservoir Weather Forecast

    • 50
    • 79

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 43
    • 81

    Chance Rain Showers

    • 38
    • 60

    Mostly Sunny

    • 40
    • 65

    Mostly Sunny

Today 9 Sep Southern Twin Falls County

Sunny. Highs 77 to 82.

Tonight 9 Sep Southern Twin Falls County

Mostly clear. Lows 48 to 53.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cedar Mesa Reservoir Temperature Statistics

September Temperature

Joslin Field - Magic Valley Regional Airport (23.6 miles)

  • Lowest 5 September, 2026

    44.7 °F

  • Average September

    63.5 °F

  • Highest 1 September, 2026

    86.6 °F

Climate (2021–2026)

Joslin Field - Magic Valley Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    63.3 °F
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