Weather forecast for: Washington IL
Last Update: 10:01 pm CST Mar 3, 2026
Tonight: A 50 percent chance of rain. Cloudy, with a low around 38. East northeast wind 6 to 9 mph, with gusts as high as 17 mph.
Wednesday: A 40 percent chance of rain after 7am. Cloudy, with a high near 51. East northeast wind 5 to 9 mph becoming light east in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 4am. Patchy fog. Low around 46. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Rain likely before 9am, then showers likely between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 61. North northwest wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night: A 50 percent chance of showers after midnight. Increasing clouds, with a low around 47. Light and variable wind becoming south southeast 5 to 9 mph after midnight. Winds could gust as high as 17 mph.
Friday: Showers and possibly a thunderstorm. High near 74. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night: Showers and possibly a thunderstorm. Low around 52. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 62.
Saturday Night: Mostly clear, with a low around 38.
Sunday: Sunny, with a high near 64.
Sunday Night: Mostly clear, with a low around 43.
Monday: Sunny, with a high near 69.
Monday Night: A chance of showers. Mostly clear, with a low around 52.
Tuesday: A chance of showers. Partly sunny, with a high near 70.