Big River Lake Weather Forecast

    • 3
    • 13

    Sunny

    • 4
    • 11

    Mostly Sunny

    • 8
    • 12

    Mostly Sunny

    • 3
    • 10

    Partly Sunny

    • 3
    • 12

    Partly Sunny

    • 6
    • 14

    Mostly Cloudy

    • 3
    • 17

    Mostly Cloudy

Today 17 Dec Tyonek

Sunny. Highs around 15. North wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 17 Dec Tyonek

Clear. Lows around 6 above. Northwest wind 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Real-Time

Big River Lake Temperature Statistics

December Temperature

Kenai, Kenai Municipal Airport (39.8 miles)

  • Lowest 10 December, 2025

    -7.1 °F

  • Average December

    19.1 °F

  • Highest 2 December, 2025

    37 °F

Climate (2020–Present)

Kenai, Kenai Municipal Airport (39.8 miles)

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  • Average Low 2020–2025

    29.4 °F

  • Average 2020–2025

    36.5 °F

  • Average High 2020–2025

    43.3 °F
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