Rock Stream Weather Forecast

    • 62
    • 76

    Mostly Cloudy

    • 67
    • 81

    Rain Showers

    • 54
    • 75

    Mostly Cloudy

    • 52
    • 69

    Mostly Sunny

    • 63
    • 77

    Partly Sunny

    • 59
    • 77

    Chance Rain Showers

Today 8 Sep Yates

Partly sunny. Highs in the upper 70s. Southwest Winds around 5 Mph, becoming northeast this afternoon.

Tonight 8 Sep Yates

Partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Stream Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (13 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    70.1 °F

  • Highest 1 September, 2026

    82.9 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (13 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59 °F
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