Pleasant Grove Weather Forecast

    • 9
    • 35

    Slight Chance Freezing Drizzle

    • 9
    • 18

    Mostly Sunny

    • 24
    • 34

    Mostly Sunny

    • 35
    • 47

    Partly Sunny

    • 47
    • 54

    Mostly Cloudy

    • 28
    • 58

    Slight Chance Rain Showers

Today 13 Dec Johnson

Mostly cloudy with a slight chance of freezing drizzle. A slight chance of drizzle and snow this afternoon. Highs in the mid 30s. Temperature falling into the upper 20s this afternoon. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 13 Dec Johnson

Mostly cloudy with a slight chance of freezing drizzle in the Evening, then partly cloudy after midnight. Much Colder with Lows around 9 above. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Readings as low as 1 below after midnight.

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Pleasant Grove Temperature Statistics

December Temperature

Marion - Williamson County Regional Airport (22.4 miles)

  • Lowest 5 December, 2025

    17.6 °F

  • Average December

    34.2 °F

  • Highest 6 December, 2025

    48.2 °F

Climate (2020–Present)

Marion - Williamson County Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.7 °F

  • Average High 2020–2025

    67.5 °F
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