Westby, WI Weather & Growing Conditions
Today
64°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 64, with temperatures falling to around 62 in the afternoon. East wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Showers And Thunderstorms | 7 mph E | 86% |
| Tonight | 54°F | Showers And Thunderstorms Likely | 9 mph NE | 59% |
| Sunday | 66°F | Mostly Cloudy | 9 to 13 mph NE | 13% |
| Sunday Night | 48°F | Mostly Cloudy | 10 mph NE | 4% |
| Monday | 63°F | Mostly Cloudy | 8 to 12 mph NE | 12% |
| Monday Night | 44°F | Mostly Cloudy | 5 to 9 mph NE | 12% |
| Tuesday | 63°F | Mostly Sunny | 5 to 9 mph E | 6% |
| Tuesday Night | 42°F | Mostly Clear | 2 to 6 mph NE | 2% |
| Wednesday | 66°F | Sunny | 6 mph E | 2% |
| Wednesday Night | 45°F | Mostly Clear | 3 mph E | 2% |
| Thursday | 68°F | Mostly Sunny | 3 mph E | 5% |
| Thursday Night | 48°F | Partly Cloudy | 2 mph E | 3% |
| Friday | 71°F | Mostly Sunny | 3 mph E | 2% |
| Friday Night | 48°F | Partly Cloudy | 2 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westby, WI
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
5a
Explore more for Westby, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Cashton, Wi (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.