Union Grove Weather Forecast

    • 64
    • 70

    Rain Showers

    • 53
    • 70

    Rain Showers

    • 45
    • 67

    Mostly Sunny

    • 49
    • 67

    Partly Sunny

    • 44
    • 68

    Mostly Sunny

    • 43
    • 63

    Mostly Sunny

Today 30 Sep Whiteside

Showers. Not as warm with Highs around 70. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 30 Sep Whiteside

Showers likely in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Humid. Near steady temperature in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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Union Grove Temperature Statistics

September Temperature

Tri-Township Airport (14.9 miles)

  • Lowest 14 September, 2026

    48.6 °F

  • Average September

    68.5 °F

  • Highest 4 September, 2026

    95.9 °F

Climate (2021–2026)

Tri-Township Airport (14.9 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.6 °F
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