Lester Lake Weather Forecast

    • 44
    • 75

    Severe Tstms

    • 46
    • 64

    Rain Showers Likely

    • 44
    • 61

    Rain Showers Likely

    • 43
    • 68

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 47
    • 76

    Mostly Sunny

Today 15 Sep Natrona County Lower Elevations

Partly cloudy with scattered Showers with isolated Thunderstorms. Some Thunderstorms may be severe. Breezy. Near steady temperature in the lower 70s. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 15 Sep Natrona County Lower Elevations

Partly cloudy. Scattered Showers with isolated Thunderstorms this evening. Some Thunderstorms may be severe with gusty Winds. Breezy with Lows in the mid 40s. North Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming northwest around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 30 percent.

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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 6 September, 2025

    37.9 °F

  • Average September

    65.9 °F

  • Highest 10 September, 2025

    90 °F

Climate (2020–Present)

Casper, Natrona County International Airport (36.7 miles)

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  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    60.3 °F
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