Osmun Lake Weather Forecast

    • 60
    • 85

    Chance Rain Showers

    • 67
    • 85

    Rain Showers

    • 65
    • 85

    Rain Showers Likely

    • 63
    • 81

    Rain Showers Likely

    • 61
    • 81

    Chance Thunderstorms

    • 58
    • 80

    Slight Chance Thunderstorms

Today 8 Aug Oakland

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs in the mid 80s. West Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 8 Aug Oakland

Mostly clear. Lows in the upper 50s. Northwest Winds up to 10 Mph.

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Osmun Lake Temperature Statistics

August Temperature

Pontiac, Oakland County International Airport (4.3 miles)

  • Lowest 4 August, 2026

    57.2 °F

  • Average August

    72.2 °F

  • Highest 5 August, 2026

    86 °F

Climate (2021–2026)

Pontiac, Oakland County International Airport (4.3 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.1 °F
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