St. Francis, WI Weather & Growing Conditions
Overnight
56°F
Light Rain
Rain. Cloudy, with a low around 56. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Light Rain | 10 to 15 mph S | 75% |
| Wednesday | 63°F | Chance Light Rain | 10 to 15 mph S | 49% |
| Wednesday Night | 47°F | Cloudy then Slight Chance Light Rain | 15 mph SW | 17% |
| Thursday | 56°F | 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% |
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.