Lester Lake Weather Forecast

    • 44
    • 69

    Increasing Clouds

    • 47
    • 75

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 50
    • 80

    Chance Thunderstorms

    • 48
    • 74

    Chance Thunderstorms

    • 49
    • 75

    Chance Thunderstorms

Today 23 May Natrona County Lower Elevations

Partly cloudy this Morning, then clearing. Highs around 70. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 May Natrona County Lower Elevations

Partly cloudy in the Evening, then clearing. Lows in the lower 40s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lester Lake Temperature Statistics

May Temperature

Casper, Natrona County International Airport (36.7 miles)

  • Lowest 6 May, 2026

    18.6 °F

  • Average May

    50.3 °F

  • Highest 13 May, 2026

    92.6 °F

Climate (2021–Present)

Casper, Natrona County International Airport (36.7 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    61.5 °F
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