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      Elev 591 ft, 39.846 °N 88.947 °W

      Decatur, IL

      Tue, Oct 20, 2026
      Tuesday
      Tue 10/20
      High 75°f
      17% Precip. / 0 in
      A few clouds early, otherwise mostly sunny. High around 75F. Winds SSE at 5 to 10 mph.
      Tuesday night
      Tue 10/20
      Low 57°f
      24% Precip. / 0 in
      Clear skies with a few passing clouds. Low 57F. Winds SSE at 5 to 10 mph.
      Sunrise 7:11 AM
      Sunset 6:09 PM
      Moonrise 3:27 PM
      Moonset 1:07 AM
      Waxing Gibbous, 70% visible
      Hourly Forecast
      12AM
      54°
      1AM
      54°
      2AM
      53°
      3AM
      53°
      4AM
      52°
      5AM
      52°
      6AM
      51°
      7AM
      51°
      7:11AM
      Sunrise
      8AM
      54°
      9AM
      59°
      10AM
      64°
      11AM
      67°
      12PM
      70°
      1PM
      72°
      2PM
      73°
      3PM
      74°
      4PM
      73°
      5PM
      73°
      6PM
      70°
      6:09PM
      Sunset
      7PM
      66°
      8PM
      63°
      9PM
      61°
      10PM
      60°
      11PM
      59°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Partly Cloudy
      54°F 53°F 12% 0in 49% 48°F 79% 5 mph SSE 30.23in
      1:00 am
      Partly Cloudy
      54°F 53°F 15% 0in 49% 48°F 80% 5 mph SSE 30.24in
      2:00 am
      Partly Cloudy
      53°F 53°F 15% 0in 48% 48°F 82% 4 mph SSE 30.24in
      3:00 am
      Partly Cloudy
      53°F 52°F 16% 0in 48% 48°F 84% 4 mph SSE 30.24in
      4:00 am
      Partly Cloudy
      52°F 51°F 16% 0in 47% 48°F 85% 4 mph SSE 30.24in
      5:00 am
      Partly Cloudy
      52°F 51°F 16% 0in 46% 48°F 87% 4 mph SSE 30.24in
      6:00 am
      Partly Cloudy
      51°F 50°F 16% 0in 44% 48°F 88% 4 mph SSE 30.25in
      7:00 am
      Partly Cloudy
      51°F 50°F 18% 0in 41% 48°F 89% 5 mph SSE 30.25in
      8:00 am
      Partly Cloudy
      54°F 53°F 16% 0in 39% 50°F 86% 4 mph SSE 30.25in
      9:00 am
      Partly Cloudy
      59°F 59°F 13% 0in 35% 52°F 76% 6 mph SSE 30.24in
      10:00 am
      Partly Cloudy
      64°F 64°F 10% 0in 33% 52°F 66% 7 mph SSE 30.24in
      11:00 am
      Partly Cloudy
      67°F 67°F 8% 0in 31% 53°F 60% 7 mph SSE 30.23in
      12:00 pm
      Partly Cloudy
      70°F 70°F 7% 0in 30% 53°F 56% 8 mph S 30.23in
      1:00 pm
      Partly Cloudy
      72°F 72°F 8% 0in 30% 54°F 54% 8 mph SSE 30.22in
      2:00 pm
      Mostly Sunny
      73°F 73°F 8% 0in 28% 54°F 51% 8 mph SSE 30.21in
      3:00 pm
      Mostly Sunny
      74°F 74°F 9% 0in 26% 54°F 50% 9 mph S 30.19in
      4:00 pm
      Mostly Sunny
      73°F 73°F 9% 0in 25% 53°F 49% 8 mph SSE 30.18in
      5:00 pm
      Mostly Sunny
      73°F 73°F 10% 0in 26% 53°F 49% 9 mph SSE 30.17in
      6:00 pm
      Mostly Sunny
      70°F 70°F 10% 0in 27% 53°F 56% 7 mph SE 30.17in
      7:00 pm
      Mostly Clear
      66°F 66°F 11% 0in 28% 54°F 65% 6 mph SE 30.17in
      8:00 pm
      Mostly Clear
      63°F 63°F 11% 0in 27% 54°F 73% 6 mph SE 30.17in
      9:00 pm
      Mostly Clear
      61°F 61°F 11% 0in 26% 54°F 77% 6 mph SSE 30.17in
      10:00 pm
      Mostly Clear
      60°F 59°F 12% 0in 27% 54°F 81% 6 mph SE 30.18in
      11:00 pm
      Mostly Clear
      59°F 58°F 13% 0in 29% 54°F 82% 7 mph SE 30.18in
      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
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      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary