Grampian Lake Weather Forecast

    • 75
    • 96

    Mostly Sunny

    • 71
    • 96

    Isolated Thunderstorms

    • 68
    • 93

    Chance Thunderstorms

    • 65
    • 89

    Chance Thunderstorms

    • 63
    • 85

    Chance Rain Showers

    • 63
    • 85

    Slight Chance Rain Showers

Today 1 Jul Oakland

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 90s. West Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Highest heat index Readings 108 to 109 in the afternoon.

Tonight 1 Jul Oakland

Clear. Lows in the mid 70s. Southwest Winds 5 to 15 Mph with Gusts up to 25 Mph.

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Grampian Lake Temperature Statistics

July Temperature

Pontiac, Oakland County International Airport (13.7 miles)

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  • Average July

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Climate (2021–2026)

Pontiac, Oakland County International Airport (13.7 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    59 °F
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