Cottage Grove Weather Forecast

    • 65
    • 72

    Rain

    • 31
    • 71

    Rain

    • 36
    • 46

    Partly Sunny

    • 32
    • 55

    Mostly Cloudy

    • 47
    • 54

    Mostly Cloudy

    • 25
    • 64

    Rain Likely

Today 10 Mar Union

Mostly cloudy in the Morning, then becoming partly cloudy. Unseasonably warm with Highs in the lower 70s. Southwest Winds 10 to 15 Mph.

Tonight 10 Mar Union

Mostly cloudy and warmer. Near steady Temperatures in the lower 60s. Southwest Winds around 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cottage Grove Temperature Statistics

March Temperature

Cincinnati W Airport (23.6 miles)

  • Lowest 2 March, 2026

    28.4 °F

  • Average March

    50 °F

  • Highest 6 March, 2026

    78.8 °F

Climate (2021–Present)

Cincinnati W Airport (23.6 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    64.8 °F
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