St. Francis, WI Weather & Growing Conditions
Today
64°F
Chance Rain Showers
A chance of rain showers before 5pm. Mostly cloudy. High near 64, with temperatures falling to around 55 in the afternoon. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Chance Rain Showers | 10 to 15 mph SW | 32% |
| Tonight | 47°F | Cloudy then Slight Chance Rain Showers | 15 mph SW | 17% |
| Thursday | 56°F | Chance Rain Showers then Chance Light Rain | 15 mph W | 52% |
| Thursday Night | 39°F | Light Rain Likely | 15 mph N | 58% |
| Friday | 50°F | Chance Light Rain | 15 to 20 mph N | 26% |
| Friday Night | 36°F | Partly Cloudy | 5 to 15 mph N | 3% |
| Saturday | 51°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 38°F | Partly Cloudy | 5 to 10 mph W | 2% |
| Sunday | 53°F | Sunny | 10 to 15 mph W | 7% |
| Sunday Night | 40°F | Mostly Clear | 10 mph W | 2% |
| Monday | 57°F | Sunny | 10 to 15 mph SW | 0% |
| Monday Night | 44°F | Partly Cloudy | 10 to 15 mph W | 1% |
| Tuesday | 57°F | Sunny | 10 mph NW | 2% |
| Tuesday Night | 43°F | Partly Cloudy | 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Francis, WI
Last spring frost
Apr 19
First fall frost
Oct 29
Growing season
192 days
Hardiness zone
6a
Explore more for St. Francis, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Milwaukee Mitchell Ap, Wi (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.