Thompson Lake Weather Forecast

    • 38
    • 52

    Increasing Clouds

    • 38
    • 51

    Slight Chance Thunderstorms

    • 37
    • 47

    Rain Showers Likely

    • 34
    • 46

    Chance Thunderstorms

    • 33
    • 48

    Slight Chance Thunderstorms

    • 37
    • 52

    Mostly Sunny

Today 18 Sep Western Uinta Mountains

Sunny. Highs in the mid 60s.

Tonight 18 Sep Western Uinta Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows around 40.

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  • Temperature Real-Time

Thompson Lake Temperature Statistics

September Temperature

Evanston, Evanston-Uinta County Burns Field (43.5 miles)

  • Lowest 13 September, 2025

    39.9 °F

  • Average September

    61.1 °F

  • Highest 2 September, 2025

    82.9 °F

Climate (2020–Present)

Evanston, Evanston-Uinta County Burns Field (43.5 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    55.4 °F
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