Lamar Weather Forecast

    • 70
    • 95

    Mostly Sunny

    • 62
    • 88

    Mostly Sunny

    • 62
    • 88

    Sunny

    • 65
    • 89

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 69
    • 91

    Slight Chance Thunderstorms

Today 14 Sep Darlington

Sunny. Highs in the mid 90s. North Winds around 5 Mph.

Tonight 14 Sep Darlington

Clear. Near steady temperature in the mid 70s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lamar Temperature Statistics

September Temperature

Hartsville Regional Airport (16.2 miles)

  • Lowest 9 September, 2026

    62.6 °F

  • Average September

    80.6 °F

  • Highest 2 September, 2026

    98.6 °F

Climate (2021–2026)

Hartsville Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    74.9 °F
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