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Port Washington, WI Weather Forecast
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Port Washington Weather Forecast
| TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | |  |  |  | |  |  | | | |
| Partly Cloudy | Clearing | Clearing | Sunny | Rain Showers | Partly Sunny | Partly Cloudy | Showers Likely | Chance of Showers | Chance of Showers | Partly Cloudy | Sunny |
| Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C |
| POP: 30% | POP: 40% | POP: 20% | POP: 60% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1030 PM CDT Sun Oct 11 2026 
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Issued: 1021 PM CDT Sun Oct 11 2026
Key Messages
- High temperatures remain well above normal through Monday.
- Isolated to scattered showers/thunderstorms Monday afternoon into Monday night from central to southeastern Wisconsin, mainly from 5:00 PM to Midnight CDT.
- Increasing potential for rainfall between Wednesday night and Friday morning, with chances for thunderstorms at times. Rain chances peak (50-70%) on Thursday.
- Very gusty northwest winds possible Friday.
- Much colder temperatures are expected next weekend, with frost becomin...