Castle Grove Weather Forecast

    • 69
    • 77

    Thunderstorms Likely

    • 66
    • 83

    Chance Thunderstorms

    • 63
    • 79

    Chance Thunderstorms

    • 68
    • 81

    Chance Thunderstorms

    • 71
    • 88

    Chance Rain Showers

    • 71
    • 90

    Chance Thunderstorms

Today 18 Jul Jones

Mostly sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 18 Jul Jones

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Warmer with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Grove Temperature Statistics

July Temperature

Monticello Regional Airport (8.1 miles)

  • Lowest 13 July, 2025

    57.2 °F

  • Average July

    74.4 °F

  • Highest 3 July, 2025

    91.4 °F

Climate (2020–Present)

Monticello Regional Airport (8.1 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    58.4 °F
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