Cottage Grove Weather Forecast

    • 31
    • 57

    Chance Rain Showers

    • 35
    • 46

    Mostly Cloudy

    • 60
    • 66

    Rain Showers

    • 49
    • 72

    Rain Showers

    • 44
    • 62

    Chance Rain Showers

    • 44
    • 60

    Rain Showers Likely

Today 31 Mar Mahoning

Cloudy. A chance of Showers this morning. Cooler with Highs in the upper 50s. Temperature falling into the upper 40s this afternoon. Southwest Winds around 10 Mph, becoming west this afternoon. Chance of rain 40 percent.

Tonight 31 Mar Mahoning

Mostly cloudy. Much cooler with Lows around 30. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cottage Grove Temperature Statistics

March Temperature

New Castle, New Castle Municipal Airport (12.4 miles)

  • Lowest 1 March, 2025

    14 °F

  • Average March

    42.7 °F

  • Highest 14 March, 2025

    78.1 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    61 °F
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