Saint Joseph County, MI Weather Forecast
County weather hub
Sunny
Compare major city weather across Saint Joseph County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 65. East wind 10 to 15 mph, with gusts as high as 25 mph.
County Weather Overview
This county weather page brings together forecast coverage for Saint Joseph County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Saint Joseph County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 21 to May 27, 2026
- Latest sync
- May 21, 2026 1:19 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Joseph County
Wednesday looks like the warmest upcoming period in Saint Joseph County at 82 degrees F.
Thursday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Friday at about 10 to 20 mph E.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- May 21, 2026 1:19 AM EDT
- Coverage
- 7 days
- Time zone
- America/Detroit
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 46. East wind around 10 mph.
A chance of rain showers after 2pm. Partly sunny, with a high near 68. East wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Rain showers before 2am, then showers and thunderstorms. Cloudy, with a low around 54. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 8pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 21
|
Sunny
|
65°F |
10 to 15 mph
E
|
|
Thursday Night
May 21
|
Partly Cloudy
|
46°F |
10 mph
E
|
|
Friday
May 22
|
Partly Sunny then Chance Rain Showers
|
68°F |
10 to 20 mph
E
|
|
Friday Night
May 22
|
Rain Showers
|
54°F |
15 mph
E
|
|
Saturday
May 23
|
Rain Showers then Slight Chance Showers And Thunderstorms
|
72°F |
10 mph
S
|
|
Saturday Night
May 23
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
54°F |
5 to 10 mph
S
|
|
Sunday
May 24
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
76°F |
5 to 10 mph
SW
|
|
Sunday Night
May 24
|
Chance Showers And Thunderstorms
|
55°F |
0 to 10 mph
NW
|
|
Memorial Day
May 25
|
Partly Sunny then Slight Chance Rain Showers
|
78°F |
0 to 5 mph
NE
|
|
Monday Night
May 25
|
Slight Chance Rain Showers
|
57°F |
0 to 5 mph
SE
|
|
Tuesday
May 26
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
SE
|
|
Tuesday Night
May 26
|
Chance Showers And Thunderstorms
|
60°F |
5 mph
SE
|
|
Wednesday
May 27
|
Chance Rain Showers
|
82°F |
5 to 10 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Joseph County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Saint Joseph County.
Largest mapped city population in this region: 7,600.
