Neff Reservoir Weather Forecast

    • 45
    • 80

    Sunny

    • 47
    • 79

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 47
    • 80

    Mostly Sunny

    • 45
    • 76

    Partly Sunny

    • 43
    • 70

    Chance Rain Showers

Today 8 Sep Natrona County Lower Elevations

Sunny, breezy with Highs around 80. West Winds 15 to 20 Mph. Gusts up to 40 Mph in the afternoon.

Tonight 8 Sep Natrona County Lower Elevations

Mostly clear. Lows around 50. West Winds around 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Neff Reservoir Temperature Statistics

September Temperature

Casper, Natrona County International Airport (37.3 miles)

  • Lowest 4 September, 2026

    48.7 °F

  • Average September

    71.5 °F

  • Highest 4 September, 2026

    90.6 °F

Climate (2021–2026)

Casper, Natrona County International Airport (37.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads