Onondaga Weather Forecast

    • 53
    • 84

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

    • 55
    • 86

    Partly Sunny

    • 52
    • 81

    Slight Chance Rain Showers

    • 53
    • 77

    Slight Chance Thunderstorms

Today 15 Sep Ingham

Sunny. Patchy fog in the morning. Highs in the lower 80s. Light Winds.

Tonight 15 Sep Ingham

Mostly clear. Lows in the lower 50s. Light Winds.

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Onondaga Temperature Statistics

September Temperature

Mason, Mason Jewett Field Airport (10.6 miles)

  • Lowest 8 September, 2025

    37.4 °F
  • Average September

    60.1 °F
  • Highest 12 September, 2025

    82.4 °F

Climate (2020–Present)

Mason, Mason Jewett Field Airport (10.6 miles)

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  • Average Low 2020–2025

    41.3 °F
  • Average 2020–2025

    50.4 °F
  • Average High 2020–2025

    59.4 °F
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