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      Elev 689 ft, 39.817 °N 88.907 °W

      Decatur, IL

      Wed, Oct 28, 2026
      Tomorrow
      Wed 10/28
      High 78°f54°f
      5% Precip. / 0 in
      Some clouds in the morning will give way to mainly sunny skies for the afternoon. Warm. High 78F. Winds S at 10 to 15 mph.
      Tomorrow night
      Wed 10/28
      Low 54°f
      2% Precip. / 0 in
      A mostly clear sky. Low 54F. Winds SSW at 5 to 10 mph.
      Sunrise 7:20 AM
      Sunset 5:58 PM
      Moonrise 7:35 PM
      Moonset 10:30 AM
      Waning Gibbous, 88% visible
      Hourly Forecast
      12AM
      55°
      1AM
      54°
      2AM
      53°
      3AM
      52°
      4AM
      52°
      5AM
      52°
      6AM
      50°
      7AM
      50°
      7:19AM
      Sunrise
      8AM
      52°
      9AM
      57°
      10AM
      64°
      11AM
      68°
      12PM
      72°
      1PM
      74°
      2PM
      76°
      3PM
      76°
      4PM
      76°
      5PM
      75°
      5:58PM
      Sunset
      6PM
      71°
      7PM
      66°
      8PM
      62°
      9PM
      61°
      10PM
      60°
      11PM
      59°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Mostly Cloudy
      55°F 55°F 3% 0in 76% 48°F 77% 3 mph S 30.19in
      1:00 am
      Partly Cloudy
      54°F 53°F 4% 0in 55% 48°F 82% 4 mph S 30.19in
      2:00 am
      Partly Cloudy
      53°F 53°F 4% 0in 50% 48°F 81% 3 mph S 30.2in
      3:00 am
      Partly Cloudy
      52°F 52°F 4% 0in 40% 48°F 84% 3 mph S 30.2in
      4:00 am
      Partly Cloudy
      52°F 52°F 4% 0in 51% 47°F 84% 3 mph SSW 30.2in
      5:00 am
      Partly Cloudy
      52°F 52°F 4% 0in 34% 47°F 85% 3 mph SSW 30.21in
      6:00 am
      Partly Cloudy
      50°F 50°F 5% 0in 32% 47°F 88% 3 mph S 30.21in
      7:00 am
      Partly Cloudy
      50°F 49°F 5% 0in 31% 47°F 89% 4 mph S 30.22in
      8:00 am
      Mostly Sunny
      52°F 51°F 5% 0in 25% 48°F 87% 4 mph S 30.23in
      9:00 am
      Sunny
      57°F 57°F 3% 0in 14% 50°F 77% 5 mph S 30.24in
      10:00 am
      Partly Cloudy
      64°F 64°F 1% 0in 40% 51°F 63% 6 mph S 30.23in
      11:00 am
      Sunny
      68°F 68°F 0% 0in 14% 51°F 53% 9 mph S 30.22in
      12:00 pm
      Sunny
      72°F 72°F 0% 0in 14% 50°F 46% 9 mph S 30.21in
      1:00 pm
      Sunny
      74°F 74°F 0% 0in 17% 49°F 41% 10 mph SSW 30.18in
      2:00 pm
      Sunny
      76°F 76°F 0% 0in 2% 49°F 38% 10 mph S 30.16in
      3:00 pm
      Sunny
      76°F 76°F 0% 0in 2% 48°F 37% 10 mph SSW 30.14in
      4:00 pm
      Sunny
      76°F 76°F 0% 0in 1% 48°F 37% 11 mph S 30.13in
      5:00 pm
      Sunny
      75°F 75°F 0% 0in 2% 49°F 40% 9 mph S 30.13in
      6:00 pm
      Clear
      71°F 71°F 0% 0in 1% 49°F 45% 8 mph S 30.13in
      7:00 pm
      Clear
      66°F 66°F 1% 0in 1% 49°F 55% 7 mph S 30.14in
      8:00 pm
      Clear
      62°F 62°F 1% 0in 5% 49°F 62% 6 mph S 30.14in
      9:00 pm
      Clear
      61°F 60°F 1% 0in 10% 49°F 65% 7 mph S 30.14in
      10:00 pm
      Clear
      60°F 59°F 2% 0in 9% 49°F 66% 7 mph S 30.14in
      11:00 pm
      Clear
      59°F 58°F 2% 0in 19% 49°F 68% 8 mph S 30.14in
      Additional Conditions
      1. Pressure 30.22 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point48°F
      5. Humidity 43%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KDEC Station History
      Almanac for October 27, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 73°F 60°F 87°F 1927
      4. Low 44°F 42°F 19°F 1925
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.2 in -
      7. Snow 0 in 0 in -
      Almanac for October 28, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 78°F 60°F 87°F
      4. Low 49°F 41°F 19°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:18 AM 5:59 PM
      3. Civil Twilight 6:51 AM 6:27 PM
      4. Nautical Twilight 6:19 AM 6:58PM
      5. Astronomical Twilight 5:48 AM 7:30 PM
      1. Length of Visible Light 11h 36m
      2. Length of Day 10h 40m
      3. Tomorrow will be 2 minutes 22 seconds shorter
      1. Moon 6:43 PM 9:14 AM
      2. Waning Gibbous95% of the Moon is Illuminated
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
      Nearby Weather Stations
      Station Location
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      Windchill
      Heat Index
      Dew Point
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      Elev.
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      Level Access
      Glossary