St Catharine Weather Forecast

    • 41
    • 62

    Mostly Sunny

    • 37
    • 62

    Slight Chance Thunderstorms

    • 37
    • 59

    Partly Sunny

    • 43
    • 63

    Partly Sunny

    • 49
    • 73

    Slight Chance Thunderstorms

    • 49
    • 73

    Slight Chance Thunderstorms

Today 29 Apr Linn

Mostly sunny. Highs in the lower 60s. North Winds 5 to 10 Mph.

Tonight 29 Apr Linn

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 40s. Northwest Winds 5 to 10 Mph.

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St Catharine Temperature Statistics

April Temperature

Chillicothe, Chillicothe Agri-Science Center (31.1 miles)

  • Lowest 19 April, 2026

    34 °F

  • Average April

    58.8 °F

  • Highest 14 April, 2026

    85.6 °F

Climate (2021–Present)

Chillicothe, Chillicothe Agri-Science Center (31.1 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    67 °F
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