Dewey Lake Weather Forecast

    • 60
    • 84

    Sunny

    • 65
    • 85

    Mostly Sunny

    • 64
    • 85

    Rain Showers Likely

    • 62
    • 80

    Chance Rain Showers

    • 63
    • 84

    Slight Chance Thunderstorms

    • 64
    • 84

    Mostly Sunny

Today 7 Jul Cass

Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 7 Jul Cass

Clear. Near steady temperature in the mid 60s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Dewey Lake Temperature Statistics

July Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 3 July, 2026

    67.6 °F

  • Average July

    79.8 °F

  • Highest 1 July, 2026

    92.6 °F

Climate (2021–2026)

Southwest Michigan Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    60.8 °F
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