Union Grove Weather Forecast

    • 63
    • 80

    Thunderstorms Likely

    • 55
    • 80

    Mostly Sunny

    • 64
    • 82

    Chance Rain Showers

    • 60
    • 84

    Chance Rain Showers

    • 60
    • 79

    Chance Thunderstorms

    • 63
    • 82

    Rain Showers Likely

Today 9 Sep Whiteside

Showers with a chance of Thunderstorms after Midnight, then a slight chance of Showers this afternoon. Humid with Highs around 80. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 9 Sep Whiteside

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the lower 60s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Grove Temperature Statistics

September Temperature

Tri-Township Airport (14.9 miles)

  • Lowest 6 September, 2026

    64.8 °F

  • Average September

    80.3 °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

    42.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.8 °F
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