Saint Joseph County, IN Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Saint Joseph County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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
- Jul 10 to Jul 13, 2026
- Latest sync
- Jul 7, 2026 5:27 AM 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 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 7, 2026 5:27 AM EDT
- Coverage
- 4 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 chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A slight chance of rain showers before 2am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Mostly sunny, with a high near 84.
Mostly clear, with a low around 65.
Sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Chance Showers And Thunderstorms
|
81°F |
5 mph
NW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
N
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
83°F |
5 mph
E
|
|
Saturday Night
Jul 11
|
Slight Chance Rain Showers
|
64°F |
0 to 5 mph
N
|
|
Sunday
Jul 12
|
Mostly Sunny
|
84°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
65°F |
0 to 5 mph
W
|
|
Monday
Jul 13
|
Sunny
|
87°F |
0 to 10 mph
W
|
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.
