St. Nazianz, WI Weather & Growing Conditions
Today
63°F
Rain Showers Likely
Rain showers likely before 4pm, then showers and thunderstorms likely. Cloudy. High near 63, with temperatures falling to around 61 in the afternoon. East southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Rain Showers Likely | 10 to 14 mph ESE | 71% |
| Tonight | 55°F | Showers And Thunderstorms Likely | 10 mph NE | 68% |
| Sunday | 66°F | Slight Chance Rain Showers then Partly Sunny | 12 to 16 mph NNE | 17% |
| Sunday Night | 51°F | Mostly Cloudy | 10 to 17 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 10 to 15 mph ENE | 2% |
| Monday Night | 47°F | Mostly Cloudy | 8 to 13 mph NE | 2% |
| Tuesday | 61°F | Mostly Sunny | 8 to 16 mph ENE | 2% |
| Tuesday Night | 47°F | Mostly Clear | 6 to 12 mph ENE | 3% |
| Wednesday | 63°F | Mostly Sunny | 6 to 13 mph ENE | 3% |
| Wednesday Night | 48°F | Partly Cloudy | 3 to 9 mph NE | 1% |
| Thursday | 65°F | Mostly Sunny | 5 to 9 mph NE | 2% |
| Thursday Night | 48°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Friday | 69°F | Mostly Sunny | 3 to 8 mph NE | 2% |
| Friday Night | 50°F | Partly Cloudy | 2 to 6 mph ENE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Nazianz, WI
Last spring frost
May 1
First fall frost
Oct 14
Growing season
162 days
Hardiness zone
5b
Explore more for St. Nazianz, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Chilton, Wi (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.