Castle Grove Weather Forecast

    • 54
    • 75

    Mostly Cloudy

    • 54
    • 76

    Partly Sunny

    • 50
    • 75

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

    • 50
    • 65

    Mostly Cloudy

    • 47
    • 70

    Chance Rain Showers

    • 43
    • 65

    Slight Chance Rain Showers

Today 23 Oct Jones

Mostly sunny. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.

Tonight 23 Oct Jones

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Grove Temperature Statistics

October Temperature

Monticello Regional Airport (8.1 miles)

  • Lowest 17 October, 2026

    30.2 °F

  • Average October

    57.9 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Monticello Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.4 °F
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