Bluewater Lake State Park Weather Forecast

    • 53
    • 87

    Mostly Sunny

    • 55
    • 83

    Chance Thunderstorms

    • 56
    • 85

    Chance Thunderstorms

    • 57
    • 85

    Chance Thunderstorms

    • 54
    • 82

    Thunderstorms Likely

    • 55
    • 80

    Chance Thunderstorms

Today 11 Aug West Central Mountains

Mostly sunny. Highs in the upper 80s. West Winds 15 to 20 Mph.

Tonight 11 Aug West Central Mountains

Mostly clear. Lows in the lower 50s. North Winds around 15 Mph, becoming southeast after midnight.

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Bluewater Lake State Park Temperature Statistics

August Temperature

Grants, Grants-Milan Municipal Airport (13 miles)

  • Lowest 4 August, 2025

    44.1 °F

  • Average August

    77.3 °F

  • Highest 8 August, 2025

    95.4 °F

Climate (2020–Present)

Grants, Grants-Milan Municipal Airport (13 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    67.3 °F
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