Big Sandy Lake Weather Forecast

    • 42
    • 73

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 43
    • 70

    Chance Thunderstorms

    • 42
    • 69

    Slight Chance Thunderstorms

    • 43
    • 68

    Chance Thunderstorms

    • 41
    • 64

    Chance Thunderstorms

Today 19 Aug Wind River Mountains West

Sunny. Highs in the mid 70s. South Winds 10 to 15 Mph.

Tonight 19 Aug Wind River Mountains West

Clear. Lows in the upper 40s. South Winds around 10 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sandy Lake Temperature Statistics

August Temperature

Lander (24.2 miles)

  • Lowest 1 August, 2025

    49.6 °F
  • Average August

    72.9 °F
  • Highest 6 August, 2025

    95.6 °F

Climate (2020–Present)

Lander (24.2 miles)

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  • Average Low 2020–2025

    33.7 °F
  • Average 2020–2025

    46.3 °F
  • Average High 2020–2025

    59 °F
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