Colby Lake Weather Forecast

    • 38
    • 59

    Sunny

    • 36
    • 56

    Sunny

    • 37
    • 56

    Sunny

    • 38
    • 58

    Sunny

    • 39
    • 58

    Mostly Sunny

    • 38
    • 58

    Partly Sunny

Today 15 Sep Kings Canyon NP

Sunny. Highs 51 to 67. Southwest Winds up to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 15 Sep Kings Canyon NP

Mostly clear. Lows 33 to 43. South Winds up to 10 Mph.

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Colby Lake Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (51 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    76.2 °F

  • Highest 10 September, 2026

    105.1 °F

Climate (2021–2026)

Porterville, Porterville Municipal Airport (51 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    79 °F
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