Saint Joseph, OH Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Joseph, OH in one place.
Mostly sunny, with a high near 78.
Local Weather Overview
This forecast page for Saint Joseph, OH 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: Apr 15, 2026 6:57 AM EDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Saint Joseph, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 6:57 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Joseph
Friday looks like the warmest upcoming period in Saint Joseph at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Saturday at about 13 to 20 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 6:57 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- ILN
- 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 after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
A chance of rain showers before 8am. Mostly sunny, with a high near 53. Chance of precipitation is 30%.
Mostly clear, with a low around 34.
Sunny, with a high near 57.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Mostly Sunny
|
78°F |
7 mph
SW
|
|
Friday Night
Apr 17
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
63°F |
6 to 13 mph
S
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
74°F |
13 to 20 mph
SW
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
40°F |
12 to 18 mph
W
|
|
Sunday
Apr 19
|
Chance Rain Showers then Mostly Sunny
|
53°F |
13 to 20 mph
W
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
34°F |
7 to 17 mph
W
|
|
Monday
Apr 20
|
Sunny
|
57°F |
9 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
42°F |
8 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
71°F |
9 to 17 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Joseph.