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      Elev 591 ft, 39.846 °N 88.947 °W

      Decatur, IL

      Mon, Oct 19, 2026
      Monday
      Mon 10/19
      High 72°f
      18% Precip. / 0 in
      Sunshine and clouds mixed. High 72F. Winds SSW at 5 to 10 mph.
      Monday night
      Mon 10/19
      Low 50°f
      16% Precip. / 0 in
      A few clouds from time to time. Low around 50F. Winds light and variable.
      Sunrise 7:10 AM
      Sunset 6:10 PM
      Moonrise 3:00 PM
      Moonset 12:03 AM
      Waxing Gibbous, 61% visible
      Hourly Forecast
      12AM
      51°
      1AM
      52°
      2AM
      51°
      3AM
      51°
      4AM
      50°
      5AM
      50°
      6AM
      49°
      7AM
      49°
      7:10AM
      Sunrise
      8AM
      51°
      9AM
      56°
      10AM
      59°
      11AM
      63°
      12PM
      66°
      1PM
      68°
      2PM
      69°
      3PM
      70°
      4PM
      70°
      5PM
      69°
      6PM
      66°
      6:10PM
      Sunset
      7PM
      62°
      8PM
      59°
      9PM
      57°
      10PM
      56°
      11PM
      55°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Partly Cloudy
      51°F 49°F 5% 0in 52% 41°F 67% 7 mph S 30.25in
      1:00 am
      Partly Cloudy
      52°F 49°F 4% 0in 50% 41°F 66% 8 mph SSW 30.25in
      2:00 am
      Partly Cloudy
      51°F 49°F 7% 0in 52% 41°F 69% 7 mph SSW 30.25in
      3:00 am
      Partly Cloudy
      51°F 49°F 10% 0in 56% 42°F 72% 6 mph SSW 30.26in
      4:00 am
      Partly Cloudy
      50°F 48°F 10% 0in 58% 42°F 73% 6 mph SSW 30.26in
      5:00 am
      Partly Cloudy
      50°F 48°F 12% 0in 57% 42°F 74% 5 mph SSW 30.26in
      6:00 am
      Partly Cloudy
      49°F 47°F 14% 0in 55% 42°F 77% 5 mph SSW 30.27in
      7:00 am
      Partly Cloudy
      49°F 47°F 17% 0in 55% 42°F 77% 5 mph SSW 30.27in
      8:00 am
      Partly Cloudy
      51°F 49°F 18% 0in 57% 44°F 76% 5 mph S 30.28in
      9:00 am
      Partly Cloudy
      56°F 54°F 17% 0in 59% 46°F 70% 7 mph SSW 30.28in
      10:00 am
      Mostly Cloudy
      59°F 58°F 17% 0in 62% 47°F 63% 8 mph SSW 30.28in
      11:00 am
      Mostly Cloudy
      63°F 62°F 17% 0in 64% 48°F 57% 9 mph SSW 30.27in
      12:00 pm
      Mostly Cloudy
      66°F 66°F 17% 0in 68% 48°F 53% 8 mph SSW 30.26in
      1:00 pm
      Mostly Cloudy
      68°F 68°F 15% 0in 70% 48°F 50% 8 mph SSW 30.25in
      2:00 pm
      Mostly Cloudy
      69°F 69°F 14% 0in 67% 48°F 46% 8 mph SSW 30.24in
      3:00 pm
      Mostly Cloudy
      70°F 70°F 13% 0in 62% 48°F 44% 9 mph SSW 30.22in
      4:00 pm
      Partly Cloudy
      70°F 70°F 11% 0in 59% 47°F 44% 8 mph SSW 30.21in
      5:00 pm
      Partly Cloudy
      69°F 69°F 8% 0in 58% 47°F 44% 8 mph S 30.21in
      6:00 pm
      Partly Cloudy
      66°F 66°F 4% 0in 58% 48°F 51% 6 mph S 30.21in
      7:00 pm
      Partly Cloudy
      62°F 62°F 13% 0in 58% 48°F 61% 5 mph SSE 30.21in
      8:00 pm
      Partly Cloudy
      59°F 59°F 12% 0in 56% 48°F 68% 4 mph SSE 30.22in
      9:00 pm
      Partly Cloudy
      57°F 57°F 12% 0in 54% 48°F 73% 4 mph SSE 30.22in
      10:00 pm
      Partly Cloudy
      56°F 55°F 9% 0in 52% 48°F 77% 4 mph SSE 30.22in
      11:00 pm
      Partly Cloudy
      55°F 54°F 11% 0in 51% 48°F 78% 5 mph SSE 30.23in
      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
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      Level Access
      Glossary