Grayrocks Reservoir Weather Forecast

    • 54
    • 74

    Areas Fog

    • 57
    • 76

    Slight Chance Thunderstorms

    • 56
    • 82

    Mostly Sunny

    • 59
    • 83

    Slight Chance Thunderstorms

    • 53
    • 75

    Rain Showers Likely

    • 50
    • 64

    Slight Chance Rain Showers

    • 50
    • 69

    Mostly Sunny

Today 24 Sep East Platte County

Mostly sunny. Highs in the lower 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 24 Sep East Platte County

Mostly cloudy. Areas of fog after midnight. Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Grayrocks Reservoir Temperature Statistics

September Temperature

Camp Guernsey (7.5 miles)

  • Lowest 15 September, 2026

    44.8 °F

  • Average September

    69.2 °F

  • Highest 4 September, 2026

    96.8 °F

Climate (2021–2026)

Camp Guernsey (7.5 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    63.8 °F
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