I-43 weather conditions near Grafton, Wisconsin
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fog/Mist 63°F 2025-06-25T23:15:00-05:00 
Tonight 2025-06-25, Showers Likely and Areas Fog. Showers and thunderstorms likely, mainly before 2am. Areas of fog after midnight. Otherwise, mostly cloudy, with a low around 60. East wind around 5 mph becoming southwest after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Thursday 2025-06-26, Slight Chance T-storms and Patchy Fog then Showers Likely. A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 79. Southwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night 2025-06-26, Showers. Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 65. Northeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday 2025-06-27, Chance Showers. A chance of showers and thunderstorms. Partly sunny, with a high near 78. West wind 5 to 10 mph. Chance of precipitation is 50%.
Friday Night 2025-06-27, Mostly Cloudy. Mostly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday 2025-06-28, Mostly Sunny. Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night 2025-06-28, Partly Cloudy. Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.Sunday 2025-06-29, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 5 to 10 mph. Chance of precipitation is 40%.
- Sunday Night 2025-06-29, Showers Likely. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday 2025-06-30, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night 2025-06-30, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.
Tuesday 2025-07-01, Sunny. Sunny, with a high near 83.
Tuesday Night 2025-07-01, Mostly Clear. Mostly clear, with a low around 64.Wednesday 2025-07-02, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 83.