Weather forecast for: Port Washington WI
Last Update: 9:31 am CDT Oct 12, 2026
Columbus Day: Sunny, with a high near 81. South wind 10 to 15 mph.
Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 65. Southwest wind 5 to 15 mph.
Tuesday: Sunny, with a high near 72. Northwest wind 10 to 15 mph.
Tuesday Night: A 20 percent chance of showers. Increasing clouds, with a low around 57. North wind around 5 mph.
Wednesday: Mostly cloudy, with a high near 63. Northeast wind 10 to 15 mph.
Wednesday Night: Mostly cloudy, with a low around 54. Northeast wind around 15 mph.
Thursday: Showers likely. Mostly cloudy, with a high near 61. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 49. Breezy, with a north wind 10 to 15 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Friday: Mostly sunny, with a high near 55. Windy.
Friday Night: Mostly clear, with a low around 39. Windy.
Saturday: Sunny, with a high near 54.
Saturday Night: Mostly clear, with a low around 44.
Sunday: Sunny, with a high near 60. Windy.