Weather forecast for: Westfield WI
Last Update: 7:33 pm CDT Sep 19, 2026
Tonight: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Cloudy, with a low around 54. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 65. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night: Mostly cloudy, with a low around 46. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday: Mostly cloudy, with a high near 61. East wind 10 to 15 mph.
Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 43. Northeast wind 5 to 10 mph.
Tuesday: Partly sunny, with a high near 60. Northeast wind 5 to 10 mph.
Tuesday Night: Partly cloudy, with a low around 42. Northeast wind around 5 mph.
Wednesday: Mostly sunny, with a high near 64. Northeast wind 5 to 10 mph.
Wednesday Night: Partly cloudy, with a low around 45.
Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 66.
Thursday Night: Mostly cloudy, with a low around 47.
Friday: Partly sunny, with a high near 70.
Friday Night: Partly cloudy, with a low around 48.
Saturday: Mostly sunny, with a high near 71.