St. Francis, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Francis, a city in Milwaukee County, Wisconsin.
Overnight
66°F
Mostly Clear
Mostly clear, with a low around 66. Southwest wind around 5 mph.
7-day forecast for St. Francis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 85°F | Mostly Sunny | 5 to 15 mph S | 3% |
| Tuesday Night | 67°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 15 mph SW | 79% |
| Wednesday | 75°F | Showers And Thunderstorms | 5 mph N | 79% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 5 mph NW | 50% |
| Thursday | 78°F | Chance Rain Showers then Partly Sunny | 5 mph NE | 28% |
| Thursday Night | 64°F | Partly Cloudy | 0 to 5 mph S | 9% |
| Friday | 83°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph S | 6% |
| Saturday | 80°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph SW | 15% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 26% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 10 to 15 mph SW | 26% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph SW | 51% |
| Monday | 79°F | Chance Rain Showers | 10 mph S | 45% |
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 Aug 4, 2026.