Nikiski Weather Forecast

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    Rain Showers

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    • 50

    Rain Showers

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    • 53

    Chance Rain

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    • 55

    Chance Rain

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    Chance Rain

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    Chance Rain

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    Rain Likely

Today 12 Sep NW Kenai Peninsula

Rain likely. Highs in the lower 50s. Variable wind 10 Mph in the morning becoming light.

Tonight 12 Sep NW Kenai Peninsula

A chance of rain Showers early in the Evening, then numerous rain Showers after midnight. Lows in the lower 40s. Light Winds becoming variable 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nikiski Temperature Statistics

September Temperature

Kenai, Kenai Municipal Airport (8.7 miles)

  • Lowest 5 September, 2025

    48 °F

  • Average September

    54.1 °F

  • Highest 5 September, 2025

    61 °F

Climate (2020–Present)

Kenai, Kenai Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    29.3 °F

  • Average 2020–2025

    36.5 °F

  • Average High 2020–2025

    43.3 °F
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