Neff Reservoir Weather Forecast

    • 51
    • 82

    Slight Chance Thunderstorms

    • 46
    • 82

    Breezy

    • 39
    • 73

    Breezy

    • 41
    • 72

    Sunny

    • 45
    • 82

    Mostly Sunny

    • 42
    • 76

    Chance Rain Showers

Today 8 Jun Natrona County Lower Elevations

Partly cloudy. A slight chance of. Highs around 80. East Winds 10 to 15 Mph, becoming south this afternoon. Gusts up to 30 Mph.

Tonight 8 Jun Natrona County Lower Elevations

Partly cloudy in the Evening, then clearing. Lows in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Neff Reservoir Temperature Statistics

June Temperature

Casper, Natrona County International Airport (37.3 miles)

  • Lowest 1 June, 2026

    40.6 °F

  • Average June

    66.5 °F

  • Highest 6 June, 2026

    93.9 °F

Climate (2021–Present)

Casper, Natrona County International Airport (37.3 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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