Riverton Weather Forecast

    • 70
    • 93

    Rain Showers

    • 63
    • 81

    Rain Showers

    • 64
    • 82

    Partly Sunny

    • 66
    • 90

    Slight Chance Rain Showers

    • 67
    • 89

    Slight Chance Thunderstorms

    • 70
    • 92

    Slight Chance Thunderstorms

    • 64
    • 92

    Chance Rain Showers

Today 9 Sep Sullivan

Partly cloudy with scattered Showers and Thunderstorms. Hot with Highs in the lower 90s. West Winds 5 to 10 Mph. Gusts up to 20 Mph early. Chance of rain 40 percent.

Tonight 9 Sep Sullivan

Partly cloudy late this Afternoon, then becoming mostly cloudy. Scattered Thunderstorms. Scattered Showers late this Afternoon, then numerous Showers toward daybreak. Humid with Lows around 70. West Winds 5 to 10 Mph. Chance of rain 70 percent.

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Riverton Temperature Statistics

September Temperature

Robinson Municipal Airport (4.3 miles)

  • Lowest 7 September, 2026

    57.2 °F

  • Average September

    80.9 °F

  • Highest 5 September, 2026

    100.4 °F

Climate (2021–2026)

Robinson Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65.8 °F
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