Saint Joseph County, IN Weather Forecast
County weather hub
Mostly 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.
Mostly sunny, with a high near 75.
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
- Aug 24, 2026
- Latest sync
- Aug 18, 2026 11:22 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 75 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph W.
The forecast from Aug 24 through Aug 24 stays mostly dry.
Forecast Details
- Last updated
- Aug 18, 2026 11:22 AM EDT
- Coverage
- 1 day
- 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
Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
75°F |
0 to 5 mph
W
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
59°F |
0 to 5 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.
