Grayrocks Reservoir Weather Forecast

    • 36
    • 58

    Chance Rain Showers

    • 36
    • 60

    Chance Rain Showers

    • 39
    • 66

    Mostly Sunny

    • 46
    • 77

    Mostly Sunny

    • 50
    • 77

    Chance Rain Showers

    • 45
    • 71

    Rain Showers Likely

    • 45
    • 61

    Rain Showers Likely

Today 30 Apr East Platte County

Showers likely with a slight chance of Thunderstorms. Cooler. Near steady temperature in the lower 50s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 30 Apr East Platte County

Mostly cloudy with a chance of rain Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 30s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of rain 50 percent.

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Grayrocks Reservoir Temperature Statistics

April Temperature

Camp Guernsey (7.5 miles)

  • Lowest 5 April, 2025

    19 °F

  • Average April

    47.3 °F

  • Highest 11 April, 2025

    83.3 °F

Climate (2020–Present)

Camp Guernsey (7.5 miles)

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  • Average Low 2020–2025

    35.2 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    62.7 °F
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