Riverton Weather Forecast

    • 35
    • 54

    Increasing Clouds

    • 49
    • 63

    Mostly Cloudy

    • 53
    • 71

    Rain Likely

    • 27
    • 63

    Chance Rain

    • 29
    • 48

    Mostly Sunny

    • 39
    • 57

    Partly Sunny

Today 24 Mar Western Pendleton

Sunny. Highs in the mid 50s. Except in the upper 40s at the higher Elevations. Southeast Winds around 5 Mph.

Tonight 24 Mar Western Pendleton

Partly cloudy. Lows in the lower 30s. Southwest Winds around 5 Mph. Gusts up to 20 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverton Temperature Statistics

March Temperature

Petersburg, Grant County Airport (23 miles)

  • Lowest 18 March, 2026

    20.5 °F

  • Average March

    51.1 °F

  • Highest 22 March, 2026

    88.3 °F

Climate (2021–Present)

Petersburg, Grant County Airport (23 miles)

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

  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.6 °F
Get WillyWeather+ to remove ads