Colby Lake Weather Forecast

    • 36
    • 52

    Sunny

    • 40
    • 57

    Mostly Sunny

    • 44
    • 59

    Chance Rain

    • 47
    • 62

    Chance Rain

    • 47
    • 63

    Chance Rain

    • 43
    • 62

    Slight Chance Thunderstorms

    • 41
    • 59

    Mostly Sunny

Today 6 Sep Kings Canyon NP

Breezy, sunny. Highs 45 to 61. Southwest Winds 10 to 25 Mph with Gusts to around 45 Mph.

Tonight 6 Sep Kings Canyon NP

Clear. Lows 31 to 41. Southwest Winds up to 10 Mph. Gusts up to 30 Mph in the evening.

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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

    70 °F

  • Highest 3 September, 2026

    86 °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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