O'Hara State Forest Weather Forecast

    • 50
    • 73

    Rain Showers

    • 41
    • 53

    Rain Showers

    • 37
    • 54

    Partly Sunny

    • 42
    • 57

    Mostly Cloudy

    • 44
    • 58

    Rain Showers Likely

    • 43
    • 54

    Rain Showers Likely

Today 17 May Oswego

Showers likely late this Morning, then Showers with Thunderstorms likely this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Early afternoon Highs Ranging from the upper 60s on the tug hill to the mid 70s across the lower Elevations, then Temperatures falling to the upper 50s along the lake Ontario shore and to the lower 60s inland. South Winds 10 Mph or Less, becoming west. Chance of rain 90 percent.

Tonight 17 May Oswego

Showers with a chance of Thunderstorms in the Evening, then Showers likely overnight. Some patchy fog developing overnight. Less humid with Lows Ranging from the upper 40s on the tug hill to the lower 50s across the lower Elevations. West Winds 5 to 10 Mph. Chance of rain 90 percent.

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O'Hara State Forest Temperature Statistics

May Temperature

Griffiss Air Force Base / Rome (27.3 miles)

  • Lowest 12 May, 2025

    37 °F
  • Average May

    57.8 °F
  • Highest 12 May, 2025

    80.1 °F

Climate (2020–Present)

Griffiss Air Force Base / Rome (27.3 miles)

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  • Average Low 2020–2025

    39.5 °F
  • Average 2020–2025

    48.8 °F
  • Average High 2020–2025

    58.1 °F
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