Philo Weather Forecast

    • 48
    • 75

    Mostly Sunny

    • 52
    • 83

    Partly Sunny

    • 53
    • 80

    Partly Sunny

    • 47
    • 72

    Partly Sunny

    • 47
    • 75

    Partly Sunny

    • 48
    • 73

    Mostly Sunny

Today 22 Sep Southwestern Interior Mendocino

Partly cloudy in the morning then clearing. Patchy valley fog in the morning. Highs 70 to 85.

Tonight 22 Sep Southwestern Interior Mendocino

Partly cloudy. Patchy valley fog overnight. Lows 46 to 56.

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Philo Temperature Statistics

September Temperature

Ukiah Municipal Airport (13.7 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    68.6 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.1 °F
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