Frog Lake Weather Forecast

    • 54
    • 71

    Chance Rain Showers

    • 52
    • 66

    Rain Showers

    • 51
    • 61

    Rain Showers

    • 51
    • 65

    Chance Rain Showers

    • 53
    • 71

    Slight Chance Rain Showers

    • 55
    • 73

    Mostly Cloudy

Today 7 Sep Clackamas County Cascade Foothills

Mostly cloudy in the Morning, then becoming mostly sunny. A 20 percent chance of Showers. Highs in the mid 70s. Winds light.

Tonight 7 Sep Clackamas County Cascade Foothills

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the mid 50s. Winds light. Chance of rain 40 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Frog Lake Temperature Statistics

September Temperature

Portland, Portland-Troutdale Airport (36 miles)

  • Lowest 2 September, 2025

    55.9 °F

  • Average September

    71.4 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Portland, Portland-Troutdale Airport (36 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.2 °F
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