St. Francis, WI Weather & Growing Conditions
This Afternoon
68°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 68. East wind around 10 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 |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Rain Showers | 10 mph E | 26% |
| Tonight | 59°F | Showers And Thunderstorms | 10 to 15 mph E | 93% |
| Saturday | 71°F | Showers And Thunderstorms | 10 to 15 mph SE | 94% |
| Saturday Night | 59°F | Showers And Thunderstorms Likely | 10 to 15 mph E | 74% |
| Sunday | 68°F | Chance Rain Showers | 15 to 20 mph NE | 50% |
| Sunday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 15 to 20 mph NE | 25% |
| Monday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 20 mph NE | 16% |
| Monday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 15 to 20 mph NE | 16% |
| Tuesday | 62°F | Slight Chance Rain Showers | 15 to 20 mph NE | 17% |
| Tuesday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 14% |
| Wednesday | 63°F | Partly Sunny | 10 to 15 mph NE | 13% |
| Wednesday Night | 55°F | Mostly Cloudy | 10 to 15 mph NE | 7% |
| Thursday | 65°F | Partly Sunny | 10 mph NE | 4% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 10 mph N | 3% |
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 Sep 19, 2026.