Hebron, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hebron, a community in Jefferson County, Wisconsin.
This Afternoon
70°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Hebron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain Likely | 15 mph S | 66% |
| Tonight | 57°F | Light Rain | 10 to 15 mph S | 88% |
| Wednesday | 61°F | Light Rain | 10 to 15 mph S | 82% |
| Wednesday Night | 46°F | Chance Light Rain | 10 to 15 mph SW | 50% |
| Thursday | 54°F | Light Rain Likely | 5 to 10 mph W | 72% |
| Thursday Night | 38°F | Chance Light Rain | 5 to 10 mph NW | 51% |
| Friday | 49°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 15 mph N | 19% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 5% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Hebron (42.919, -88.689). Updated through the day.
Growing snapshot for Hebron
Last spring frost
May 3
First fall frost
Oct 9
Growing season
157 days
Hardiness zone
5b
More local growing data for Hebron: nearby ZIP 53137 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Fort Atkinson
Helenville
Ixonia
Jefferson
Johnson Creek
Lake Mills
Palmyra
Rome
Sullivan
Waterloo
Watertown
Climate data from the nearest NOAA station, Sullivan 3Se, Wi (6.6 mi from Hebron). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.