Penn Valley Weather Forecast

    • 36
    • 61

    Mostly Sunny

    • 36
    • 62

    Mostly Sunny

    • 39
    • 65

    Sunny

    • 48
    • 68

    Mostly Sunny

    • 42
    • 64

    Partly Sunny

    • 44
    • 60

    Mostly Cloudy

Today 23 Oct Eastern Montgomery

Sunny. Highs in the lower 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 23 Oct Eastern Montgomery

Partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Northeast Winds around 5 Mph.

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Penn Valley Temperature Statistics

October Temperature

Philadelphia - Wings Field Airport (8.1 miles)

  • Lowest 19 October, 2026

    33.8 °F

  • Average October

    59.6 °F

  • Highest 2 October, 2026

    87.8 °F

Climate (2021–2026)

Philadelphia - Wings Field Airport (8.1 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.2 °F
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