Cottage Grove Weather Forecast

    • 35
    • 45

    Mostly Cloudy

    • 30
    • 50

    Chance Rain Showers

    • 24
    • 39

    Partly Sunny

    • 38
    • 48

    Partly Sunny

    • 33
    • 53

    Slight Chance Rain Showers

    • 29
    • 47

    Mostly Cloudy

Today 6 Dec Henry

Mostly cloudy this Morning, then becoming mostly sunny. Patchy fog this morning. Highs in the mid 40s. Southwest Winds around 5 Mph.

Tonight 6 Dec Henry

Mostly cloudy. Patchy fog. Lows in the mid 30s. Light and variable Winds, becoming south around 5 Mph after midnight.

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Cottage Grove Temperature Statistics

December Temperature

Paris - Henry County Airport (5.6 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    30.9 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Paris - Henry County Airport (5.6 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    59.8 °F

  • Average High 2020–2025

    70.2 °F
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