Arrowrock Reservoir Weather Forecast

    • 41
    • 69

    Rain Likely

    • 33
    • 47

    Rain Showers

    • 40
    • 48

    Rain Likely

    • 41
    • 60

    Chance Rain

    • 37
    • 61

    Mostly Sunny

    • 37
    • 61

    Mostly Sunny

    • 35
    • 62

    Mostly Sunny

Today 19 Oct Boise Mountains

Sunny. Highs 58 to 69.

Tonight 19 Oct Boise Mountains

Partly cloudy in the Evening, then rain likely after midnight. Chance of rain 60 percent. Lows 29 to 41.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowrock Reservoir Temperature Statistics

October Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 14 October, 2017

    28.9 °F
  • Average October

    48.5 °F
  • Highest 6 October, 2017

    69.1 °F

Climate (2010–Present)

Boise Air Terminal (19.3 miles)

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  • Average Low 2010–Present

    44.1 °F
  • Average 2010–Present

    55 °F
  • Average High 2010–Present

    65.4 °F
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