Cottage Grove Weather Forecast

    • 50
    • 76

    Rain Showers

    • 52
    • 71

    Partly Sunny

    • 56
    • 75

    Chance Thunderstorms

    • 66
    • 78

    Rain Showers

    • 58
    • 80

    Chance Thunderstorms

    • 57
    • 77

    Partly Sunny

Today 14 Jun Union

Mostly cloudy with Showers with a chance of Thunderstorms. Highs in the mid 70s. Southwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph in the afternoon. Chance of rain 90 percent.

Tonight 14 Jun Union

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Cooler. Less muggy with Lows around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming north around 5 Mph after midnight. Chance of rain 20 percent.

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Cottage Grove Temperature Statistics

June Temperature

Cincinnati W Airport (23.6 miles)

  • Lowest 3 June, 2026

    46.4 °F

  • Average June

    72.9 °F

  • Highest 7 June, 2026

    89.6 °F

Climate (2021–Present)

Cincinnati W Airport (23.6 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    65 °F
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