Weather forecast for: Niagara WI
Last Update: 6:21 am CDT Sep 15, 2026
Today: A slight chance of drizzle before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 72. South wind 9 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Tonight: Widespread dense fog, mainly after 5am. Otherwise, mostly clear, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.
Wednesday: Widespread dense fog before 7am. Otherwise, mostly sunny, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night: A 20 percent chance of showers after 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48. Southeast wind around 5 mph becoming calm in the evening.
Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night: Partly cloudy, with a low around 46.
Friday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 67.
Friday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Saturday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48.
Sunday: Partly sunny, with a high near 67.
Sunday Night: Partly cloudy, with a low around 44.
Monday: Mostly sunny, with a high near 68.