Otter Weather Forecast

    • 25
    • 45

    Gradual Clearing

    • 36
    • 63

    Mostly Sunny

    • 38
    • 72

    Rain Showers Likely

    • 37
    • 61

    Chance Rain Showers

    • 40
    • 69

    Partly Sunny

    • 45
    • 78

    Partly Sunny

Today 18 May Powder River

Cloudy, cooler. Highs in the mid 40s. Northwest Winds 10 to 20 Mph.

Tonight 18 May Powder River

Decreasing Clouds. Lows in the upper 20s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Otter Temperature Statistics

May Temperature

Sheridan County Airport (48.5 miles)

  • Lowest 6 May, 2026

    16.6 °F

  • Average May

    51.5 °F

  • Highest 13 May, 2026

    95.6 °F

Climate (2021–Present)

Sheridan County Airport (48.5 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    62.3 °F
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