Oswego Weather Forecast

    • 73
    • 94

    Mostly Sunny

    • 73
    • 94

    Slight Chance Thunderstorms

    • 73
    • 90

    Rain Showers

    • 73
    • 87

    Rain Showers

    • 74
    • 89

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

Today 31 Jul Sumter

Sunny. Highs in the mid 90s. Light and variable Winds, becoming northeast around 5 Mph in the afternoon.

Tonight 31 Jul Sumter

Mostly clear. Lows in the upper 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oswego Temperature Statistics

July Temperature

Sumter Airport (3.7 miles)

  • Lowest 2 July, 2026

    68 °F

  • Average July

    82.7 °F

  • Highest 4 July, 2026

    98.6 °F

Climate (2021–2026)

Sumter Airport (3.7 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    75.9 °F
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