My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 202 ft, 39.906 °N 88.962 °W

      Decatur, IL

      Decatur Station103°

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp9578101
      Low Temp685738
      Day Average Temp76.31--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation03.3-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point61.77--
      High69--
      Low56--
      Average61.77--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed17--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.33--
      Astronomy Day Length Rise Set
      Actual Time12h 27m6:36 AM7:04 PM
      Civil Twilight6:09 AM7:31 PM
      Nautical Twilight5:37 AM8:03 PM
      Astronomical Twilight5:05 AM8:35 PM
      Moon: Waxing crescent11:31 AM9:04 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:54 AM 68 °F 56 °F 65 % SSE 8 mph - 29.33 in 0 in Fair
      1:54 AM 68 °F 56 °F 65 % S 9 mph - 29.33 in 0 in Fair
      2:54 AM 68 °F 57 °F 68 % S 9 mph - 29.32 in 0 in Fair
      3:54 AM 69 °F 57 °F 65 % S 12 mph - 29.3 in 0 in Fair
      4:54 AM 69 °F 58 °F 68 % S 12 mph - 29.3 in 0 in Fair
      5:54 AM 69 °F 59 °F 70 % S 9 mph - 29.32 in 0 in Fair
      6:54 AM 69 °F 60 °F 73 % - - 29.33 in 0 in Fair
      7:54 AM 71 °F 61 °F 70 % S 9 mph - 29.35 in 0 in Fair
      8:54 AM 79 °F 65 °F 62 % SSW 14 mph - 29.35 in 0 in Fair
      9:54 AM 85 °F 67 °F 55 % SSW 16 mph 24 mph 29.35 in 0 in Fair
      10:54 AM 89 °F 69 °F 52 % SW 15 mph - 29.36 in 0 in Fair
      11:54 AM 93 °F 69 °F 45 % SSW 17 mph 24 mph 29.36 in 0 in Fair
      12:54 PM 95 °F 69 °F 43 % SW 9 mph 18 mph 29.34 in 0 in Fair
      Our AppsAbout UsContactCareersWeather Data APIs
      PWS NetworkWundermap
      Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
      essentialaccessibility.com
      We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
      Review All Privacy and Ad Settings
      Choose how my information is shared
      Data Rights
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary