Thumb Cove State Marine Park Weather Forecast

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    • 55

    Rain Showers

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    • 59

    Rain Likely

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    • 58

    Rain

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    • 57

    Rain Likely

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    Rain Likely

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    Chance Rain

Today 16 Sep Southern Kenai Mtns

Widespread Showers. Locally heavy rainfall possible in the morning. Highs in the lower to mid 50s. East wind 10 to 25 Mph with Gusts to 40 Mph.

Tonight 16 Sep Southern Kenai Mtns

Numerous rain Showers in the Evening, then isolated rain Showers after midnight. Lows in the 40s. Northeast wind 15 Mph. Gusts to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thumb Cove State Marine Park Temperature Statistics

September Temperature

Seward (9.3 miles)

  • Lowest 13 September, 2025

    43 °F

  • Average September

    52.8 °F

  • Highest 5 September, 2025

    63 °F

Climate (2020–Present)

Seward (9.3 miles)

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  • Average Low 2020–2025

    35.1 °F

  • Average 2020–2025

    40.5 °F

  • Average High 2020–2025

    46 °F
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