Philomath Weather Forecast

    • 54
    • 84

    Chance Thunderstorms

    • 58
    • 74

    Mostly Sunny

    • 68
    • 89

    Partly Sunny

    • 68
    • 88

    Partly Sunny

    • 67
    • 88

    Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

Today 13 Sep Union

Partly Cloudy, then becoming mostly sunny late this Morning, then becoming partly cloudy. Areas of dense fog this morning. A chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. West Winds 5 to 10 Mph, becoming northwest late. Chance of rain 30 percent.

Tonight 13 Sep Union

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Less muggy with Lows in the mid 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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Philomath Temperature Statistics

September Temperature

Cincinnati W Airport (34.2 miles)

  • Lowest 7 September, 2026

    59 °F

  • Average September

    77.4 °F

  • Highest 4 September, 2026

    96.8 °F

Climate (2021–2026)

Cincinnati W Airport (34.2 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    65 °F
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