St. Francis, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Francis, a city in Milwaukee County, Wisconsin.
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 for St. Francis
| 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) for St. Francis (42.971, -87.872). Updated through the day.
Growing snapshot for St. Francis
Last spring frost
Apr 19
First fall frost
Oct 29
Growing season
192 days
Hardiness zone
6a
More local growing data for St. Francis: nearby ZIP 53235 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bayside
Brown Deer
Cudahy
Fox Point
Franklin
Glendale
Greendale
Greenfield
Hales Corners
Milwaukee
Oak Creek
River Hills
Shorewood
South Milwaukee
Wauwatosa
West Allis
West Milwaukee
Whitefish Bay
Climate data from the nearest NOAA station, Milwaukee Mitchell Ap, Wi (2.2 mi from St. Francis). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.