Grayrocks Reservoir Weather Forecast

    • 59
    • 90

    Chance Thunderstorms

    • 59
    • 85

    Thunderstorms Likely

    • 53
    • 75

    Rain Showers

    • 56
    • 81

    Mostly Sunny

    • 61
    • 92

    Mostly Sunny

    • 61
    • 94

    Mostly Sunny

Today 15 Jun East Platte County

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs around 90. South Winds around 5 Mph, becoming southeast 10 to 15 Mph in the afternoon. Chance of rain 20 percent.

Tonight 15 Jun East Platte County

Mostly clear. Lows in the mid 50s. South Winds 5 to 10 Mph.

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Grayrocks Reservoir Temperature Statistics

June Temperature

Camp Guernsey (7.5 miles)

  • Lowest 9 June, 2025

    44.4 °F

  • Average June

    63.2 °F

  • Highest 10 June, 2025

    89.6 °F

Climate (2020–Present)

Camp Guernsey (7.5 miles)

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  • Average Low 2020–2025

    35.2 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    62.6 °F
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