Rock Island Lake Weather Forecast

    • 38
    • 55

    Mostly Cloudy

    • 41
    • 50

    Rain Showers

    • 31
    • 41

    Rain Showers

    • 39
    • 49

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 49
    • 66

    Partly Sunny

    • 48
    • 67

    Partly Sunny

Today 1 Jun Boise Mountains

Partly cloudy. A slight chance of rain Showers this afternoon. Chance of rain 20 percent. Highs 66 to 81.

Tonight 1 Jun Boise Mountains

Mostly cloudy with a slight chance of rain Showers this Evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 36 to 51.

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  • Temperature Forecast NOAA

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Rock Island Lake Temperature Statistics

June Temperature

Stanley, Stanley Ranger Station (19.9 miles)

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  • Average June

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Climate (2019–Present)

Stanley, Stanley Ranger Station (19.9 miles)

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  • Average Low 2019–2024

    22.6 °F

  • Average 2019–2024

    37.5 °F

  • Average High 2019–2024

    52.5 °F
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