Weather forecast for: Wilton WI
Last Update: 5:26 am CDT Sep 14, 2026
Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Monday: A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Areas of fog before 9am. Otherwise, increasing clouds, with a high near 69. Breezy, with a light east wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Low around 59. Breezy, with a south wind 11 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 73. West wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night: Partly cloudy, with a low around 49. Calm wind.
Wednesday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 68. Calm wind becoming east around 6 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night: Showers. Low around 54. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Thursday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 74. Calm wind becoming northeast around 5 mph.
Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 55. Calm wind.
Friday: Showers likely. Mostly cloudy, with a high near 73. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%.
Friday Night: Showers and possibly a thunderstorm. Low around 57. Southeast wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday: Showers and thunderstorms likely. Mostly cloudy, with a high near 72. South wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday: A 30 percent chance of showers. Partly sunny, with a high near 71. East wind 5 to 9 mph, with gusts as high as 18 mph.