Otisco Valley Weather Forecast

    • 56
    • 63

    Rain Showers

    • 53
    • 72

    Mostly Cloudy

    • 57
    • 79

    Mostly Sunny

    • 62
    • 82

    Chance Rain Showers

    • 58
    • 79

    Rain Showers Likely

    • 52
    • 74

    Chance Rain Showers

Today 20 Aug Onondaga

Showers with a slight chance of Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 60s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 20 Aug Onondaga

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the mid 50s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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Otisco Valley Temperature Statistics

August Temperature

Cortland County-Chase Field (16.2 miles)

  • Lowest 2 August, 2025

    44.6 °F

  • Average August

    67.3 °F

  • Highest 12 August, 2025

    89.6 °F

Climate (2020–Present)

Cortland County-Chase Field (16.2 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    56.7 °F
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