Oswego Weather Forecast

    • 76
    • 96

    Mostly Sunny

    • 76
    • 97

    Chance Thunderstorms

    • 74
    • 95

    Thunderstorms Likely

    • 73
    • 91

    Thunderstorms Likely

    • 73
    • 91

    Thunderstorms Likely

    • 73
    • 92

    Chance Thunderstorms

Today 7 Jul Sumter

Sunny. Highs in the upper 90s. Southwest Winds around 5 Mph.

Tonight 7 Jul Sumter

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oswego Temperature Statistics

July Temperature

Sumter Airport (3.7 miles)

  • Lowest 3 July, 2025

    71.6 °F

  • Average July

    80.5 °F

  • Highest 4 July, 2025

    93.2 °F

Climate (2020–Present)

Sumter Airport (3.7 miles)

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  • Average Low 2020–2025

    53.2 °F

  • Average 2020–2025

    64.2 °F

  • Average High 2020–2025

    76 °F
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