Summit Lake SPB Weather Forecast

    • 43
    • 53

    Rain Showers

    • 43
    • 53

    Rain Showers

    • 43
    • 56

    Rain Showers Likely

    • 41
    • 53

    Rain Showers

    • 37
    • 53

    Chance Rain

    • 38
    • 52

    Chance Rain

    • 37
    • 49

    Chance Rain

Today 18 Sep Interior Kenai Peninsula

Scattered Showers in the Morning, then numerous Showers in the afternoon. Highs in the mid 50s. East wind 15 Mph with Gusts to 30 Mph.

Tonight 18 Sep Interior Kenai Peninsula

Numerous Showers. Lows in the mid 40s. Variable wind 10 Mph.

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  • Temperature Forecast NOAA

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Summit Lake SPB Temperature Statistics

September Temperature

Portage, Portage Glacier (24.2 miles)

  • Lowest 15 September, 2025

    41 °F

  • Average September

    51.9 °F

  • Highest 4 September, 2025

    64 °F

Climate (2020–Present)

Portage, Portage Glacier (24.2 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    39.4 °F

  • Average High 2020–2025

    45 °F
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