Weather WorldDeerfield, WI Weather Forecast
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Deerfield Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny |
| Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | |
POP = Probability of Precipitation.
Weather Outlook Updated: 431 AM CDT Tue Oct 06 2026 
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Issued: 1110 PM CDT Mon Oct 5 2026
Key Messages
- Near average early autumn temperatures this week, with predominantly dry weather.
- Gale Warning in effect Tuesday afternoon into Tuesday evening for the northern Open Waters of Lake Michigan, north of a Port Washington WI to Whitehall MI line. Southwest gales up to 40 knots expected.
Aviation
... Issued 1110 PM CDT Mon Oct 5 2026
Quiet TAF conditions expected with some patchy midlevel CIGS tonight but otherwise remaining largely clear. Lower pressure will move in Tuesday bringing breezy ...