Log In
    Favorites
        Member Settings
      Frost Advisory
      until 8:00 AM CDT
      Elev 499 ft, 38.360 °N 88.974 °W

      Mount Vernon, IL

      Mount Vernon Station48°

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp506790
      Low Temp504427
      Day Average Temp50--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation03.7-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point43--
      High43--
      Low43--
      Average43--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed5--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.89--
      Astronomy Day Length Rise Set
      Actual Time11h 8m7:06 AM6:14 PM
      Civil Twilight6:40 AM6:41 PM
      Nautical Twilight6:09 AM7:12 PM
      Astronomical Twilight5:38 AM7:42 PM
      Moon: Waxing crescent1:48 PM11:06 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:56 AM 50 °F 43 °F 77 % VAR 5 mph - 29.89 in 0 in Fair
      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