Johnson Creek, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnson Creek, a village in Jefferson County, Wisconsin.
Today
83°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Johnson Creek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 91% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 5 mph W | 63% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 36% |
| Thursday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 17% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 7% |
| Friday | 82°F | Sunny | 0 to 5 mph SW | 2% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 49% |
| Monday | 83°F | Chance Rain Showers | 5 mph S | 45% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 mph NW | 44% |
Forecast source: National Weather Service (api.weather.gov) for Johnson Creek (43.079, -88.771). Updated through the day.
Growing snapshot for Johnson Creek
Last spring frost
Apr 29
First fall frost
Oct 14
Growing season
167 days
Hardiness zone
5b
More local growing data for Johnson Creek: nearby ZIP 53038 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Fort Atkinson
Hebron
Helenville
Ixonia
Jefferson
Lake Mills
Palmyra
Rome
Sullivan
Waterloo
Watertown
Climate data from the nearest NOAA station, Lake Mills Wwtp, Wi (5.3 mi from Johnson Creek). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.