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

Partly sunny. A chance of Showers in the morning. Highs in the lower 60s. Chance of rain 30 percent.

Tonight 23 Oct Jones

Partly cloudy this 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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