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      Elev 479 ft, 38.801 °N 88.121 °W

      Olney, IL

      Olney,IL Station75°
      Updated: 4:50 AM CDT on September 16, 2026 (GMT -5)
      8 minutes ago
      95°
      73°
      75
      Feels Like 75
      Clear
      N
      1
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Wed 09/16
        High 95°f
         15% Precip. / 0 in
        Partly to mostly cloudy. Hot. High near 95F. Winds SSW at 5 to 10 mph.
        Tonight
        Wed 09/16
        Low 74°f
         15% Precip. / 0 in
        A few clouds. Low 74F. Winds light and variable.
        Tomorrow
        Thu 09/17
        High 96°f72°f
         14% Precip. / 0 in
        Intervals of clouds and sunshine. Hot. High 96F. Winds W at 5 to 10 mph.
        Hourly Forecast
        Now
        75°
        5AM
        75°
        6AM
        74°
        6:35AM
        Sunrise
        7AM
        74°
        8AM
        77°
        9AM
        81°
        10AM
        84°
        11AM
        88°
        12PM
        91°
        1PM
        93°
        2PM
        94°
        3PM
        94°
        4PM
        94°
        5PM
        93°
        6PM
        90°
        6:58PM
        Sunset
        7PM
        86°
        8PM
        82°
        9PM
        81°
        10PM
        79°
        11PM
        78°
        12AM
        77°
        1AM
        76°
        2AM
        76°
        3AM
        75°
        4AM
        75°
        Precipitation
        16%
        Pollen
        Ragweed Pollen
        Very High
        Air Quality
        57
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.15 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point72°F
        5. Humidity 90%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KOLY Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 95°F 81°F 100°F 1927
        4. Low 73°F 56°F 33°F 1916
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 96°F 80°F 99°F
        4. Low 73°F 55°F 37°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:34 AM 6:58 PM
        3. Civil Twilight 6:08 AM 7:25 PM
        4. Nautical Twilight 5:36 AM 7:56PM
        5. Astronomical Twilight 5:04 AM 8:28 PM
        1. Length of Visible Light 13h 17m
        2. Length of Day 12h 24m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 12:27 PM 9:42 PM
        2. Waxing Crescent30% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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