Bristol, WI Weather & Growing Conditions
Tonight
62°F
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers before 1am, then a chance of showers and thunderstorms between 1am and 2am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 62. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Chance Rain Showers then Chance Showers And Thunderstorms | 10 to 15 mph E | 86% |
| Saturday | 71°F | Showers And Thunderstorms | 5 to 10 mph SE | 96% |
| Saturday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph NE | 83% |
| Sunday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 45% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Monday | 63°F | Chance Rain Showers | 15 mph E | 30% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 30% |
| Tuesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 16% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph N | 5% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph N | 4% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph N | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bristol, WI
Last spring frost
Apr 30
First fall frost
Oct 15
Growing season
167 days
Hardiness zone
5b
Explore more for Bristol, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Paddock Lake, Wi (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.