Evansville Weather Forecast

    • 59
    • 91

    Increasing Clouds

    • 62
    • 91

    Slight Chance Thunderstorms

    • 54
    • 82

    Breezy

    • 51
    • 81

    Mostly Sunny

    • 55
    • 83

    Partly Sunny

    • 56
    • 85

    Slight Chance Thunderstorms

Today 5 Sep Natrona County Lower Elevations

Mostly sunny. Highs around 90. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Sep Natrona County Lower Elevations

Mostly clear. Lows around 60. Southwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Evansville Temperature Statistics

September Temperature

Casper, Natrona County International Airport (10.6 miles)

  • Lowest 1 September, 2026

    58.6 °F

  • Average September

    71.1 °F

  • Highest 2 September, 2026

    84 °F

Climate (2021–2026)

Casper, Natrona County International Airport (10.6 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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