Rock Spring Reservoir Weather Forecast

    • 31
    • 52

    Decreasing Clouds

    • 36
    • 59

    Mostly Sunny

    • 35
    • 52

    Chance Rain Showers

    • 39
    • 63

    Slight Chance Thunderstorms

    • 44
    • 71

    Partly Sunny

    • 46
    • 76

    Mostly Sunny

Today 19 May Natrona County Lower Elevations

Sunny. Highs around 50. Southwest Winds around 10 Mph.

Tonight 19 May Natrona County Lower Elevations

Clear. Lows in the upper 20s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Spring Reservoir Temperature Statistics

May Temperature

Casper, Natrona County International Airport (34.8 miles)

  • Lowest 6 May, 2026

    18.6 °F

  • Average May

    52.6 °F

  • Highest 13 May, 2026

    92.6 °F

Climate (2021–Present)

Casper, Natrona County International Airport (34.8 miles)

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

  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    61.5 °F
Get WillyWeather+ to remove ads