Riverton Weather Forecast

    • 66
    • 73

    Rain Showers

    • 68
    • 82

    Chance Rain Showers

    • 69
    • 86

    Rain Showers Likely

    • 63
    • 80

    Rain Showers Likely

    • 60
    • 72

    Chance Rain Showers

    • 58
    • 70

    Slight Chance Thunderstorms

Today 16 Sep Fremont

Showers with a chance of Thunderstorms this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Patchy fog. Some Thunderstorms may produce heavy rainfall this morning. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the lower 70s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 16 Sep Fremont

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Humid with Lows in the mid 60s. East Winds around 5 Mph. Chance of rain 50 percent.

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Riverton Temperature Statistics

September Temperature

Shenandoah Municipal (8.7 miles)

  • Lowest 11 September, 2026

    57.2 °F

  • Average September

    76.9 °F

  • Highest 8 September, 2026

    98.6 °F

Climate (2021–2026)

Shenandoah Municipal (8.7 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    64.9 °F
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