Castle Grove Weather Forecast

    • 48
    • 58

    Increasing Clouds

    • 50
    • 76

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 54
    • 76

    Rain Showers

    • 42
    • 64

    Chance Rain Showers

    • 42
    • 62

    Partly Sunny

    • 43
    • 61

    Mostly Cloudy

Today 20 Apr Jones

Sunny. Near steady temperature in the upper 50s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 20 Apr Jones

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the upper 40s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Grove Temperature Statistics

April Temperature

Monticello Regional Airport (8.1 miles)

  • Lowest 7 April, 2026

    26.6 °F

  • Average April

    51.6 °F

  • Highest 17 April, 2026

    78.8 °F

Climate (2021–Present)

Monticello Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    59.3 °F
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