St Stephens Weather Forecast

    • 37
    • 67

    Sunny

    • 38
    • 67

    Mostly Sunny

    • 44
    • 68

    Mostly Sunny

    • 48
    • 70

    Mostly Cloudy

    • 38
    • 64

    Chance Rain Showers

    • 33
    • 54

    Mostly Sunny

    • 35
    • 59

    Mostly Sunny

Today 19 Oct Wind River Basin

Mostly sunny. Highs in the upper 50s.

Tonight 19 Oct Wind River Basin

Clear. Lows around 40. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

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St Stephens Temperature Statistics

October Temperature

Riverton Regional Airport (5.6 miles)

  • Lowest 16 October, 2026

    28 °F

  • Average October

    56 °F

  • Highest 5 October, 2026

    83.6 °F

Climate (2021–2026)

Riverton Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    59.7 °F
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