Rock Lake Weather Forecast

    • 61
    • 87

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 64
    • 89

    Slight Chance Thunderstorms

    • 63
    • 86

    Chance Thunderstorms

    • 60
    • 84

    Chance Rain Showers

    • 57
    • 82

    Partly Sunny

Today 3 Sep Central Laramie Range and Southwest Platte County

Sunny. Highs in the mid 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 3 Sep Central Laramie Range and Southwest Platte County

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

September Temperature

Camp Guernsey (24.2 miles)

  • Lowest 1 September, 2026

    66 °F

  • Average September

    76.4 °F

  • Highest 1 September, 2026

    88.9 °F

Climate (2021–2026)

Camp Guernsey (24.2 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    63.8 °F
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