Saint Jo, TX Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Jo, TX in one place.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South wind 5 to 15 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Saint Jo, TX 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: Jul 17, 2026 9:26 AM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Saint Jo, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:26 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Jo
Tuesday looks like the warmest upcoming period in Saint Jo at 100 degrees F.
Tonight is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Today at about 5 to 15 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:26 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KFWS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind 5 to 15 mph. Chance of precipitation is 20%.
Sunny, with a high near 94. Heat index values as high as 99. South southwest wind around 10 mph.
Clear. Low around 74, with temperatures rising to around 76 overnight. South wind 5 to 10 mph.
Sunny, with a high near 95. South southwest wind 5 to 10 mph.
Clear, with a low around 75. South wind 5 to 10 mph.
Sunny, with a high near 98. South southwest wind 5 to 10 mph.
Clear, with a low around 75. South southwest wind 5 to 10 mph.
Sunny, with a high near 100. Southwest wind 5 to 10 mph.
Clear, with a low around 76.
Sunny, with a high near 100.
Mostly clear, with a low around 77.
Sunny, with a high near 99.
Mostly clear, with a low around 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
5 to 15 mph
S
|
|
Tonight
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
5 to 15 mph
S
|
|
Saturday
Jul 18
|
Sunny
|
94°F |
10 mph
SSW
|
|
Saturday Night
Jul 18
|
Clear
|
74°F |
5 to 10 mph
S
|
|
Sunday
Jul 19
|
Sunny
|
95°F |
5 to 10 mph
SSW
|
|
Sunday Night
Jul 19
|
Clear
|
75°F |
5 to 10 mph
S
|
|
Monday
Jul 20
|
Sunny
|
98°F |
5 to 10 mph
SSW
|
|
Monday Night
Jul 20
|
Clear
|
75°F |
5 to 10 mph
SSW
|
|
Tuesday
Jul 21
|
Sunny
|
100°F |
5 to 10 mph
SW
|
|
Tuesday Night
Jul 21
|
Clear
|
76°F |
5 mph
SSW
|
|
Wednesday
Jul 22
|
Sunny
|
100°F |
5 to 10 mph
NW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
77°F |
5 to 10 mph
SE
|
|
Thursday
Jul 23
|
Sunny
|
99°F |
5 to 10 mph
S
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
76°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Jo.