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      Elev 568 ft, 41.611 °N 90.335 °W

      Port Byron, IL

      Tue, Oct 20, 2026
      Today
      Tue 10/20
      High 72°f
      2% Precip. / 0 in
      Areas of patchy fog early. Abundant sunshine. High 72F. Winds light and variable.
      Tonight
      Tue 10/20
      Low 42°f
      6% Precip. / 0 in
      Clear skies. Low 42F. Winds light and variable.
      Sunrise 7:19 AM
      Sunset 6:12 PM
      Moonrise 3:36 PM
      Moonset 1:08 AM
      Waxing Gibbous, 70% visible
      Hourly Forecast
      Now
      44°
      8AM
      44°
      9AM
      50°
      10AM
      57°
      11AM
      60°
      12PM
      65°
      1PM
      69°
      2PM
      71°
      3PM
      71°
      4PM
      70°
      5PM
      68°
      6PM
      63°
      6:12PM
      Sunset
      7PM
      58°
      8PM
      54°
      9PM
      53°
      10PM
      51°
      11PM
      50°
      12AM
      49°
      1AM
      48°
      2AM
      46°
      3AM
      45°
      4AM
      44°
      5AM
      43°
      6AM
      43°
      7AM
      43°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      8:00 am
      Sunny
      44°F 44°F 2% 0in 18% 39°F 84% 2 mph E 30.39in
      9:00 am
      Sunny
      50°F 50°F 2% 0in 0% 42°F 74% 2 mph ESE 30.4in
      10:00 am
      Sunny
      57°F 57°F 1% 0in 0% 43°F 61% 3 mph ESE 30.39in
      11:00 am
      Sunny
      60°F 60°F 1% 0in 0% 45°F 56% 4 mph SE 30.37in
      12:00 pm
      Sunny
      65°F 65°F 0% 0in 0% 44°F 46% 5 mph SE 30.36in
      1:00 pm
      Sunny
      69°F 69°F 0% 0in 0% 43°F 38% 5 mph SE 30.34in
      2:00 pm
      Sunny
      71°F 71°F 0% 0in 0% 42°F 36% 5 mph SSE 30.31in
      3:00 pm
      Sunny
      71°F 71°F 0% 0in 0% 42°F 35% 5 mph SSE 30.29in
      4:00 pm
      Sunny
      70°F 70°F 0% 0in 0% 41°F 35% 5 mph SSE 30.28in
      5:00 pm
      Sunny
      68°F 68°F 0% 0in 0% 42°F 40% 5 mph SSE 30.27in
      6:00 pm
      Sunny
      63°F 63°F 0% 0in 0% 43°F 48% 4 mph SE 30.27in
      7:00 pm
      Clear
      58°F 58°F 1% 0in 0% 43°F 59% 4 mph SE 30.28in
      8:00 pm
      Clear
      54°F 54°F 1% 0in 0% 43°F 66% 3 mph SE 30.29in
      9:00 pm
      Clear
      53°F 52°F 2% 0in 0% 43°F 70% 3 mph SE 30.29in
      10:00 pm
      Clear
      51°F 51°F 2% 0in 0% 43°F 73% 3 mph SE 30.29in
      11:00 pm
      Clear
      50°F 49°F 3% 0in 0% 42°F 76% 4 mph SE 30.29in
      Additional Conditions
      1. Pressure 30.39 in
      2. Visibility 6 miles
      3. Clouds Partly Cloudy
      4. Dew Point39°F
      5. Humidity 83%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KDVN Station History
      Almanac for October 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 72°F 62°F 84°F 1953
      4. Low 40°F 42°F 25°F 2022
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for October 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 75°F 61°F 82°F
      4. Low 42°F 42°F 28°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:19 AM 6:12 PM
      3. Civil Twilight 6:51 AM 6:40 PM
      4. Nautical Twilight 6:18 AM 7:12PM
      5. Astronomical Twilight 5:46 AM 7:44 PM
      1. Length of Visible Light 11h 49m
      2. Length of Day 10h 53m
      3. Tomorrow will be 2 minutes 38 seconds shorter
      1. Moon 3:36 PM 1:08 AM
      2. Waxing Gibbous70% of the Moon is Illuminated
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nearby Weather Stations
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      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary