Agate Fossil Beds National Monument Weather Forecast

    • 56
    • 94

    Slight Chance Thunderstorms

    • 56
    • 95

    Mostly Sunny

    • 59
    • 96

    Mostly Sunny

    • 61
    • 97

    Hot

    • 58
    • 99

    Hot

    • 54
    • 88

    Chance Thunderstorms

Today 17 Aug South Sioux

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the mid 90s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Aug South Sioux

Partly cloudy. Lows in the upper 50s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Agate Fossil Beds National Monument Temperature Statistics

August Temperature

Torrington Municipal Airport (32.3 miles)

  • Lowest 11 August, 2025

    47.6 °F

  • Average August

    74.4 °F

  • Highest 7 August, 2025

    101.6 °F

Climate (2020–Present)

Torrington Municipal Airport (32.3 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    65 °F
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