Fontenelle Reservoir Weather Forecast

    • 31
    • 63

    Rain Showers

    • 22
    • 48

    Becoming Sunny

    • 25
    • 55

    Mostly Sunny

    • 30
    • 57

    Partly Sunny

    • 27
    • 59

    Partly Sunny

    • 30
    • 58

    Partly Sunny

    • 28
    • 57

    Chance Rain/Snow

Today 19 Oct Upper Green River Basin

Mostly sunny and windy. Highs around 60. West Winds 25 to 35 Mph with Gusts up to 50 Mph.

Tonight 19 Oct Upper Green River Basin

Partly cloudy with a chance of rain Showers this Evening, then mostly clear after midnight. Windy with Lows around 30. West Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fontenelle Reservoir Temperature Statistics

October Temperature

KEMMERER (29.2 miles)

  • Lowest 6 October, 2025

    28.4 °F

  • Average October

    45.3 °F

  • Highest 2 October, 2025

    73.4 °F

Climate (2020–Present)

KEMMERER (29.2 miles)

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  • Average Low 2020–2025

    29.1 °F

  • Average 2020–2025

    40.9 °F

  • Average High 2020–2025

    52.5 °F
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