Otisco Valley Weather Forecast

    • 50
    • 62

    Decreasing Clouds

    • 36
    • 73

    Rain Showers

    • 29
    • 42

    Rain Likely

    • 25
    • 39

    Mostly Sunny

    • 39
    • 52

    Chance Rain Showers

    • 35
    • 57

    Partly Sunny

    • 42
    • 61

    Mostly Sunny

Today 17 Apr Onondaga

Partly sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 17 Apr Onondaga

Partly cloudy. Lows around 50. West Winds around 5 Mph, becoming southeast with Gusts up to 20 Mph after midnight.

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Otisco Valley Temperature Statistics

April Temperature

Cortland County-Chase Field (16.2 miles)

  • Lowest 8 April, 2026

    15.8 °F

  • Average April

    45.6 °F

  • Highest 15 April, 2026

    78.8 °F

Climate (2021–Present)

Cortland County-Chase Field (16.2 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.5 °F
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