South Valley State Forest Weather Forecast

    • 71
    • 90

    Mostly Sunny

    • 64
    • 89

    Slight Chance Rain Showers

    • 60
    • 84

    Partly Sunny

    • 60
    • 83

    Rain Showers Likely

    • 62
    • 82

    Rain Showers Likely

    • 60
    • 79

    Chance Thunderstorms

Today 14 Jul Cattaraugus

Sunny and hot with Highs around 90. Light Winds, becoming west 10 to 15 Mph.

Tonight 14 Jul Cattaraugus

Mainly clear. Very warm and muggy with Lows in the lower 70s. West Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph.

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South Valley State Forest Temperature Statistics

July Temperature

Jamestown, Chautauqua County/Jamestown Airport (14.9 miles)

  • Lowest 9 July, 2026

    60.8 °F

  • Average July

    73.7 °F

  • Highest 1 July, 2026

    89.1 °F

Climate (2021–2026)

Jamestown, Chautauqua County/Jamestown Airport (14.9 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    55.9 °F
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