My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      River Flood Warning
      until 1:00 AM CDT
      Elev 660 ft, 42.477 °N 87.826 °W

      Winthrop Harbor, IL

      Winthrop Harbor Station63°
      Updated: 12:11 PM CDT on September 30, 2026 (GMT -5)
      9 minutes ago
      69°
      60°
      63
      Feels Like 63
      Fog
      N
      12
      Gusts 22 mph
      Lower temperature is expected today
      Wundermap
      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 09/30
        High 66°f
         86% Precip. / 0.04 in
        Light rain early...then remaining cloudy with showers in the afternoon. High 66F. Winds SSW at 10 to 15 mph. Chance of rain 90%.
        Tonight
        Wed 09/30
        Low 62°f
         88% Precip. / 0.56 in
        Rain likely. Low 62F. Winds SW at 5 to 10 mph. Chance of rain 90%. Rainfall near a half an inch.
        Tomorrow
        Thu 10/01
        High 67°f51°f
         92% Precip. / 0.8 in
        Rain likely. High 67F. Winds WSW at 5 to 10 mph. Chance of rain 90%. Rainfall near an inch. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        64°
        1PM
        64°
        2PM
        47%
        64°
        3PM
        57%
        65°
        4PM
        30%
        66°
        5PM
        65°
        6PM
        33%
        64°
        6:34PM
        Sunset
        7PM
        35%
        64°
        8PM
        33%
        63°
        9PM
        63°
        10PM
        50%
        63°
        11PM
        87%
        63°
        12AM
        73%
        63°
        1AM
        88%
        63°
        2AM
        84%
        64°
        3AM
        76%
        64°
        4AM
        69%
        64°
        5AM
        89%
        63°
        6AM
        82%
        63°
        6:48AM
        Sunrise
        7AM
        82%
        63°
        8AM
        76%
        64°
        9AM
        93%
        64°
        10AM
        89%
        64°
        11AM
        85%
        65°
        12PM
        91%
        66°
        Precipitation
        93%
        Rain likely to continue
        Pollen
        None
        Air Quality
        31
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 1.5 miles
        3. Clouds Cloudy
        4. Dew Point62°F
        5. Humidity 96%
        6. Rainfall 0.26 in
        7. Snow Depth 0 in
         KUGN Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 67°F 91°F 1953
        4. Low 60°F 51°F 30°F 1984
        5. Rain/Snow Depth
        6. Precipitation 0.59 in 2.9 in -
        7. Snow 0 in - in -
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 66°F 85°F
        4. Low 58°F 50°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:47 AM 6:34 PM
        3. Civil Twilight 6:19 AM 7:02 PM
        4. Nautical Twilight 5:46 AM 7:34PM
        5. Astronomical Twilight 5:13 AM 8:07 PM
        1. Length of Visible Light 12h 42m
        2. Length of Day 11h 46m
        3. Tomorrow will be 2 minutes 50 seconds shorter
        1. Moon 8:33 PM 11:38 AM
        2. Waning Gibbous77% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareers
        PWS NetworkWunderMap
        Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
        Level Access
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary