Colby Lake Weather Forecast

    • 39
    • 50

    Rain Showers Likely

    • 37
    • 47

    Rain Showers Likely

    • 38
    • 53

    Slight Chance Thunderstorms

    • 39
    • 54

    Partly Sunny

    • 42
    • 57

    Partly Sunny

    • 39
    • 55

    Chance Rain Showers

Today 18 Sep Kings Canyon NP

Cloudy. Slight chance of rain and snow in the Morning, then rain Showers likely and slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Snow accumulation up to 2 Inches. Highs 44 to 60. Southeast Winds up to 15 Mph. Chance of precipitation 70 percent.

Tonight 18 Sep Kings Canyon NP

Colder. Rain Showers likely and slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows 35 to 45. Southeast Winds up to 10 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Colby Lake Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (51 miles)

  • Lowest 9 September, 2025

    57.9 °F

  • Average September

    77.6 °F

  • Highest 1 September, 2025

    102.9 °F

Climate (2020–Present)

Porterville, Porterville Municipal Airport (51 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    79.3 °F
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