Saint Joseph, WI Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Joseph, WI in one place.
Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. East wind 2 to 7 mph.
Local Weather Overview
This forecast page for Saint Joseph, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 2:32 AM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Saint Joseph, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 2:32 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Joseph
Wednesday looks like the warmest upcoming period in Saint Joseph at 72 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 14 to 21 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 2:32 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers after 9am. Cloudy. High near 55, with temperatures falling to around 53 in the afternoon. East wind 3 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers. Mostly cloudy, with a low around 43. Northwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before noon. Mostly cloudy, with a high near 52. Northwest wind 14 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Widespread frost after 11pm. Mostly clear, with a low around 31. West wind 0 to 13 mph, with gusts as high as 23 mph.
Widespread frost before 9am. Sunny, with a high near 59. Southwest wind 1 to 14 mph, with gusts as high as 23 mph.
Clear, with a low around 39. South wind around 12 mph, with gusts as high as 23 mph.
Sunny, with a high near 66. Southwest wind 12 to 18 mph, with gusts as high as 28 mph.
Mostly clear, with a low around 44. Southwest wind 5 to 13 mph, with gusts as high as 24 mph.
Mostly sunny, with a high near 68. Southwest wind around 5 mph.
Mostly clear, with a low around 43. South wind around 3 mph.
Sunny, with a high near 71. South wind 2 to 9 mph.
Mostly clear, with a low around 49. South wind around 7 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 72. South wind 6 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Mostly Cloudy
|
48°F |
2 to 7 mph
E
|
|
Thursday
Oct 15
|
Rain Showers
|
55°F |
3 to 7 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers
|
43°F |
8 to 14 mph
NW
|
|
Friday
Oct 16
|
Rain Showers Likely then Mostly Cloudy
|
52°F |
14 to 21 mph
NW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
31°F |
0 to 13 mph
W
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
59°F |
1 to 14 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
12 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
12 to 18 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
44°F |
5 to 13 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
68°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Clear
|
43°F |
3 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
71°F |
2 to 9 mph
S
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
49°F |
7 mph
S
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
72°F |
6 to 12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Joseph.