Irmo Weather Forecast

    • 18
    • 57

    Becoming Sunny

    • 25
    • 40

    Sunny

    • 35
    • 53

    Mostly Sunny

    • 40
    • 61

    Partly Sunny

    • 51
    • 65

    Chance Rain

    • 38
    • 63

    Mostly Sunny

Today 14 Dec Lexington

Mostly sunny. Highs in the mid 50s. Temperature falling into the lower 40s this afternoon. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 14 Dec Lexington

Clear. Much Colder with Lows around 18. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irmo Temperature Statistics

December Temperature

Columbia, Columbia Metropolitan Airport (10.6 miles)

  • Lowest 10 December, 2025

    28.9 °F

  • Average December

    43.6 °F

  • Highest 10 December, 2025

    57.9 °F

Climate (2020–Present)

Columbia, Columbia Metropolitan Airport (10.6 miles)

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  • Average Low 2020–2025

    54.7 °F

  • Average 2020–2025

    65 °F

  • Average High 2020–2025

    76.2 °F
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