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
56°F
Light Rain
Rain. Cloudy, with a low around 56. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for St. Francis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Light Rain | 10 to 15 mph S | 86% |
| 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 | 10 to 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 | 39°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 15% |
| Saturday | 50°F | Mostly Sunny | 5 to 10 mph NW | 5% |
| Saturday Night | 39°F | Partly Cloudy | 5 to 10 mph W | 7% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Light Rain | 10 to 15 mph W | 18% |
| Sunday Night | 41°F | Partly Cloudy | 10 mph NW | 8% |
| Monday | 56°F | Mostly Sunny | 10 to 15 mph W | 4% |
| Monday Night | 44°F | Partly Cloudy | 10 to 15 mph W | 2% |
| Tuesday | 57°F | Sunny | 10 to 15 mph NW | 0% |
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.