Lester Lake Weather Forecast

    • 54
    • 84

    Rain Showers Likely

    • 39
    • 70

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 46
    • 72

    Slight Chance Thunderstorms

    • 47
    • 70

    Chance Rain Showers

    • 47
    • 70

    Slight Chance Thunderstorms

Today 13 Sep Natrona County Lower Elevations

Mostly sunny and breezy. Highs in the mid 80s. East Winds around 10 Mph, becoming south 15 to 20 Mph in the afternoon.

Tonight 13 Sep Natrona County Lower Elevations

Mostly clear. Lows in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lester Lake Temperature Statistics

September Temperature

Casper, Natrona County International Airport (36.7 miles)

  • Lowest 9 September, 2026

    39.9 °F

  • Average September

    69 °F

  • Highest 5 September, 2026

    91.7 °F

Climate (2021–2026)

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

    61.6 °F
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