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Washington Square Weather Forecast
| REST OF THE NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 | | |  |  |  |  |  | |  |  | |
| Patchy Fog | Patchy Fog | Patchy Fog | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Mostly Cloudy |
| Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 60°FHi: 16°C | Hi: 50°FHi: 10°C Lo: 39°FLo: 4°C | Hi: 50°FHi: 10°C Lo: 39°FLo: 4°C | Lo: 31°FLo: -1°C |
| POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 AM CDT Wed Oct 21 2026 
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Issued: 1238 AM CDT Wed Oct 21 2026
Key Messages
- Dense fog overnight into Wednesday morning across east-central Wisconsin and areas west of Green Bay, locally dropping visibilities below 1/2 mile. More fog possible early Thursday and early Friday.
- Dry and mild through Saturday afternoon with inland high temperatures warming into the upper 60s to lower 70s. Warmest days Wednesday and Saturday.
- A 20 to 30 percent chance of light rain showers Saturday night into Sunday across especially northern Wisconsin. Chances for at least some sh...