Winona State Forest Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 55
    • 72

    Rain Showers Likely

    • 52
    • 71

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 59
    • 77

    Rain Showers

    • 55
    • 71

    Rain Showers

    • 55
    • 69

    Chance Rain Showers

Today 18 Aug Oswego

Mostly sunny. Highs Ranging from the lower 70s on the tug hill to the upper 70s across the lower Elevations. Northwest Winds 5 to 10 Mph.

Tonight 18 Aug Oswego

Partly to mostly cloudy with some patchy fog developing after midnight. Lows Ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winona State Forest Temperature Statistics

August Temperature

Watertown, Watertown International Airport (20.5 miles)

  • Lowest 16 August, 2026

    48.9 °F

  • Average August

    70.6 °F

  • Highest 5 August, 2026

    87.7 °F

Climate (2021–2026)

Watertown, Watertown International Airport (20.5 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.6 °F
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