Oak Ridge Weather Forecast

    • 66
    • 85

    Decreasing Clouds

    • 66
    • 91

    Partly Sunny

    • 65
    • 88

    Slight Chance Thunderstorms

    • 70
    • 90

    Mostly Sunny

    • 65
    • 91

    Rain Showers Likely

    • 66
    • 84

    Chance Rain Showers

Today 11 Sep Sangamon

Mostly cloudy in the Morning, then becoming partly sunny. Areas of dense fog in the morning. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 11 Sep Sangamon

Mostly cloudy. Patchy dense fog. Near steady temperature in the mid 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Ridge Temperature Statistics

September Temperature

Springfield - Abraham Lincoln Capital Airport (2.5 miles)

  • Lowest 7 September, 2026

    58.6 °F

  • Average September

    82.9 °F

  • Highest 2 September, 2026

    100.7 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (2.5 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.7 °F
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