Log In
    Favorites
        Member Settings
      Elev 591 ft, 39.846 °N 88.947 °W

      Decatur, IL

      Alternative Education Building Station73°
      Sat, Oct 17, 2026
      Saturday
      Sat 10/17
      High 61°f
      4% Precip. / 0 in
      A mainly sunny sky. High 61F. Winds light and variable.
      Saturday night
      Sat 10/17
      Low 38°f
      9% Precip. / 0 in
      Mostly clear. Low 38F. Winds light and variable.
      Sunrise 7:08 AM
      Sunset 6:13 PM
      Moonrise 1:53 PM
      Moonset 11:01 PM
      Waxing Crescent, 41% visible
      Hourly Forecast
      12AM
      44°
      1AM
      43°
      2AM
      41°
      3AM
      39°
      4AM
      38°
      5AM
      37°
      6AM
      36°
      7AM
      36°
      7:08AM
      Sunrise
      8AM
      39°
      9AM
      44°
      10AM
      48°
      11AM
      52°
      12PM
      55°
      1PM
      57°
      2PM
      59°
      3PM
      59°
      4PM
      59°
      5PM
      58°
      6PM
      55°
      6:13PM
      Sunset
      7PM
      51°
      8PM
      48°
      9PM
      46°
      10PM
      45°
      11PM
      44°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Mostly Clear
      		 44°F 39°F 2% 0in 21% 36°F 74% 8 mph N 30.48in
      1:00 am
      Clear
      		 43°F 38°F 2% 0in 17% 35°F 74% 8 mph N 30.49in
      2:00 am
      Clear
      		 41°F 36°F 2% 0in 17% 34°F 78% 7 mph N 30.49in
      3:00 am
      Clear
      		 39°F 34°F 3% 0in 16% 33°F 81% 7 mph N 30.5in
      4:00 am
      Clear
      		 38°F 32°F 3% 0in 16% 33°F 82% 7 mph N 30.5in
      5:00 am
      Clear
      		 37°F 32°F 3% 0in 16% 32°F 82% 6 mph N 30.51in
      6:00 am
      Clear
      		 36°F 31°F 4% 0in 15% 31°F 85% 5 mph N 30.52in
      7:00 am
      Clear
      		 36°F 31°F 4% 0in 14% 32°F 87% 5 mph N 30.53in
      8:00 am
      Sunny
      		 39°F 35°F 3% 0in 11% 33°F 81% 4 mph NNE 30.54in
      9:00 am
      Sunny
      		 44°F 41°F 2% 0in 8% 34°F 69% 5 mph NNE 30.55in
      10:00 am
      Sunny
      		 48°F 45°F 1% 0in 6% 34°F 59% 5 mph NNE 30.56in
      11:00 am
      Sunny
      		 52°F 50°F 1% 0in 6% 33°F 49% 5 mph NNE 30.55in
      12:00 pm
      Sunny
      		 55°F 54°F 0% 0in 7% 33°F 44% 4 mph NNW 30.54in
      1:00 pm
      Sunny
      		 57°F 57°F 0% 0in 7% 34°F 41% 4 mph NNW 30.52in
      2:00 pm
      Sunny
      		 59°F 59°F 0% 0in 7% 34°F 39% 4 mph WSW 30.49in
      3:00 pm
      Sunny
      		 59°F 59°F 0% 0in 8% 33°F 38% 5 mph WSW 30.47in
      4:00 pm
      Sunny
      		 59°F 59°F 0% 0in 8% 33°F 38% 5 mph WSW 30.45in
      5:00 pm
      Sunny
      		 58°F 57°F 0% 0in 8% 33°F 39% 5 mph SW 30.43in
      6:00 pm
      Sunny
      		 55°F 55°F 1% 0in 9% 35°F 47% 4 mph S 30.43in
      7:00 pm
      Clear
      		 51°F 51°F 1% 0in 9% 36°F 56% 3 mph SSE 30.42in
      8:00 pm
      Clear
      		 48°F 48°F 2% 0in 10% 36°F 63% 3 mph SE 30.42in
      9:00 pm
      Clear
      		 46°F 45°F 2% 0in 13% 36°F 68% 3 mph SSE 30.41in
      10:00 pm
      Clear
      		 45°F 43°F 2% 0in 16% 36°F 70% 4 mph SE 30.41in
      11:00 pm
      Clear
      		 44°F 41°F 3% 0in 19% 35°F 72% 5 mph SSE 30.4in
      Additional Conditions
      1. Pressure 29.95 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point60°F
      5. Humidity 71%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KDEC Station History
      Almanac for October 12, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 90°F 67°F 92°F 1962
      4. Low 64°F 47°F 20°F 1987
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.4 in -
      7. Snow 0 in 0 in -
      Almanac for October 13, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 92°F 67°F 90°F
      4. Low 68°F 47°F 21°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:03 AM 6:20 PM
      3. Civil Twilight 6:36 AM 6:47 PM
      4. Nautical Twilight 6:04 AM 7:19PM
      5. Astronomical Twilight 5:33 AM 7:50 PM
      1. Length of Visible Light 12h 11m
      2. Length of Day 11h 17m
      3. Tomorrow will be 2 minutes 32 seconds shorter
      1. Moon 9:15 AM 7:03 PM
      2. Waxing Crescent4% of the Moon is Illuminated
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
      Loading nearby stations…
      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