Rock Island State Park Weather Forecast

    • 46
    • 61

    Chance Rain

    • 43
    • 56

    Chance Rain

    • 40
    • 57

    Mostly Cloudy

    • 38
    • 51

    Slight Chance Rain

    • 38
    • 52

    Chance Rain

    • 38
    • 49

    Rain Likely

Today 10 Dec Wenatchee Area

Mostly cloudy. Rain likely in the Morning, then a chance of rain in the afternoon. Highs in the upper 40s to upper 50s, west wind 5 to 15 Mph, Gusts up to 40 Mph. Chance of precipitation 70 percent. Rainfall Amounts up to three Quarters of an inch possible.

Tonight 10 Dec Wenatchee Area

Rain. Lows in the mid 30s to lower 40s. Temperature rising into the lower 40s through Sunrise. Chance of precipitation near 100 percent. Rainfall Amounts up to a half inch possible.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island State Park Temperature Statistics

December Temperature

Wenatchee - Pangborn Memorial Airport (5.6 miles)

  • Lowest 1 December, 2025

    30 °F

  • Average December

    36.2 °F

  • Highest 6 December, 2025

    53.1 °F

Climate (2020–Present)

Wenatchee - Pangborn Memorial Airport (5.6 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    61.7 °F
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