Foster Reservoir Weather Forecast

    • 38
    • 52

    Decreasing Clouds

    • 43
    • 58

    Mostly Sunny

    • 47
    • 61

    Mostly Cloudy

    • 46
    • 61

    Partly Sunny

    • 42
    • 59

    Slight Chance Thunderstorms

    • 44
    • 59

    Mostly Sunny

Today 17 Sep Absaroka Mountains

Isolated snow Showers in the morning. Partly cloudy with scattered rain Showers with isolated Thunderstorms. Highs in the lower 50s. Northeast Winds around 10 Mph. Chance of precipitation 30 percent.

Tonight 17 Sep Absaroka Mountains

Partly cloudy in the Evening, then clearing. Lows in the mid 30s. East Winds around 10 Mph, becoming west after midnight.

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Foster Reservoir Temperature Statistics

September Temperature

Cody (18 miles)

  • Lowest 5 September, 2025

    42.1 °F

  • Average September

    64.8 °F

  • Highest 2 September, 2025

    86 °F

Climate (2020–Present)

Cody (18 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    57.7 °F
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