Saint Joseph, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Joseph, MI in one place.
Mostly sunny, with a high near 77. South wind 5 to 10 mph.
Local Weather Overview
This forecast page for Saint Joseph, MI 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: Aug 27, 2026 9:16 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Saint Joseph, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 9:16 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Joseph
Monday looks like the warmest upcoming period in Saint Joseph at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 9:16 PM EDT
- Coverage
- 6 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
A chance of rain showers after 2am. Mostly cloudy, with a low around 70. South wind 5 to 10 mph. Chance of precipitation is 30%.
A chance of rain showers before 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8am. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 82.
A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72.
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
77°F |
5 to 10 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Chance Rain Showers
|
70°F |
5 to 10 mph
S
|
|
Sunday
Aug 30
|
Chance Rain Showers then Partly Sunny
|
80°F |
10 to 15 mph
S
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
74°F |
15 mph
S
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms then Partly Sunny
|
84°F |
10 to 15 mph
SW
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
75°F |
10 mph
S
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
83°F |
5 to 10 mph
SW
|
|
Tuesday Night
Sep 1
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
74°F |
5 mph
S
|
|
Wednesday
Sep 2
|
Slight Chance Showers And Thunderstorms
|
82°F |
5 mph
SW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
S
|
|
Thursday
Sep 3
|
Chance Showers And Thunderstorms
|
81°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Joseph.
