Agate Fossil Beds National Monument Weather Forecast

    • 56
    • 79

    Chance Thunderstorms

    • 55
    • 86

    Slight Chance Thunderstorms

    • 57
    • 91

    Mostly Sunny

    • 52
    • 90

    Chance Thunderstorms

    • 53
    • 85

    Chance Thunderstorms

    • 56
    • 90

    Mostly Sunny

Today 15 Aug South Sioux

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs around 80. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 15 Aug South Sioux

Mostly cloudy. Patchy fog. Lows in the upper 50s. Southeast 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 5 August, 2026

    47.6 °F

  • Average August

    75.4 °F

  • Highest 2 August, 2026

    105.7 °F

Climate (2021–2026)

Torrington Municipal Airport (32.3 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    66.2 °F
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