Irmo Weather Forecast

    • 76
    • 96

    Chance Thunderstorms

    • 75
    • 95

    Chance Rain Showers

    • 75
    • 95

    Chance Thunderstorms

    • 76
    • 94

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

    • 72
    • 89

    Chance Rain Showers

    • 72
    • 89

    Chance Rain Showers

Today 18 Jul Lexington

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 18 Jul Lexington

Partly cloudy. A chance of Thunderstorms with a slight chance of Showers this evening. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irmo Temperature Statistics

July Temperature

Columbia, Columbia Metropolitan Airport (10.6 miles)

  • Lowest 1 July, 2026

    73.7 °F

  • Average July

    85.3 °F

  • Highest 4 July, 2026

    99.6 °F

Climate (2021–2026)

Columbia, Columbia Metropolitan Airport (10.6 miles)

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  • Average Low 2021–2026

    54.9 °F

  • Average 2021–2026

    65.4 °F

  • Average High 2021–2026

    76.7 °F
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