Saint Joseph County, IN 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 60. East wind 5 to 10 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 7 of 7 mapped cities in Saint Joseph County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:42 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Joseph County
Monday looks like the warmest upcoming period in Saint Joseph County at 78 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:42 PM EDT
- Coverage
- 5 days
- Time zone
- America/Indiana/Indianapolis
- 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 slight chance of rain showers after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly cloudy, with a high near 77. Chance of precipitation is 20%.
A slight chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a low around 56.
Showers and thunderstorms likely. Mostly cloudy, with a high near 67.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
60°F |
5 to 10 mph
E
|
|
Saturday Night
Apr 11
|
Mostly Cloudy then Slight Chance Rain Showers
|
51°F |
5 to 10 mph
SE
|
|
Sunday
Apr 12
|
Slight Chance Rain Showers
|
77°F |
10 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
63°F |
15 to 20 mph
SW
|
|
Monday
Apr 13
|
Rain Showers Likely
|
78°F |
15 to 20 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
66°F |
15 mph
SW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
77°F |
15 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
56°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
67°F |
15 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
49°F |
10 to 15 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Joseph County.
Coverage
Forecast coverage currently spans 7 of 7 mapped cities in Saint Joseph County.
Largest mapped city population in this region: 101,868.
