Bighorn Lake Weather Forecast

    • 55
    • 82

    Increasing Clouds

    • 54
    • 82

    Partly Sunny

    • 50
    • 81

    Partly Sunny

    • 50
    • 75

    Chance Rain Showers

    • 45
    • 65

    Chance Rain Showers

    • 46
    • 65

    Mostly Sunny

Today 24 Sep North Bighorn Basin

Sunny. Highs around 80. Southeast Winds around 10 Mph this afternoon.

Tonight 24 Sep North Bighorn Basin

Mostly clear in the Evening, then becoming partly cloudy. Lows around 50. Southeast Winds around 10 Mph.

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Bighorn Lake Temperature Statistics

September Temperature

Cowley WY (13 miles)

  • Lowest 15 September, 2026

    37.4 °F

  • Average September

    63.8 °F

  • Highest 4 September, 2026

    93.2 °F

Climate (2021–2026)

Cowley WY (13 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    60.2 °F
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