Onondaga Lake Weather Forecast

    • 63
    • 79

    Slight Chance Rain Showers

    • 58
    • 77

    Rain Showers Likely

    • 49
    • 71

    Partly Sunny

    • 56
    • 68

    Rain Showers

    • 55
    • 70

    Chance Rain Showers

    • 55
    • 71

    Chance Rain Showers

Today 16 Sep Onondaga

Partly sunny with a slight chance of Showers in the Morning, then mostly cloudy in the afternoon. More humid with Highs in the upper 70s. South Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain 20 percent.

Tonight 16 Sep Onondaga

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onondaga Lake Temperature Statistics

September Temperature

Syracuse, Syracuse Hancock International Airport (5 miles)

  • Lowest 12 September, 2026

    48.7 °F

  • Average September

    70 °F

  • Highest 2 September, 2026

    85.6 °F

Climate (2021–2026)

Syracuse, Syracuse Hancock International Airport (5 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.6 °F
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