Oswego Weather Forecast

    • 38
    • 71

    Mostly Sunny

    • 47
    • 65

    Increasing Clouds

    • 45
    • 76

    Rain Showers Likely

    • 38
    • 67

    Mostly Sunny

    • 42
    • 64

    Partly Sunny

    • 45
    • 73

    Mostly Sunny

    • 45
    • 73

    Partly Sunny

Today 29 Jan Sumter

Sunny. Near steady temperature in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Jan Sumter

Mostly clear. Lows in the upper 30s. West Winds 5 to 10 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oswego Temperature Statistics

January Temperature

Sumter Airport (3.7 miles)

  • Lowest 23 January, 2025

    14 °F

  • Average January

    37.4 °F

  • Highest 6 January, 2025

    62.6 °F

Climate (2020–Present)

Sumter Airport (3.7 miles)

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  • Average Low 2020–2025

    53.2 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    75.8 °F
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