San Jacinto County, TX Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across San Jacinto County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for San Jacinto County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in San Jacinto County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 15 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 1:52 PM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Jacinto County
Saturday looks like the warmest upcoming period in San Jacinto County at 96 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 5 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 1:52 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
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. Mostly cloudy, with a low around 73. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Mostly sunny, with a high near 94.
Partly cloudy, with a low around 74.
Mostly sunny, with a high near 96.
Partly cloudy, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SW
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
73°F |
0 mph
|
|
Thursday
Jul 16
|
Slight Chance Showers And Thunderstorms
|
93°F |
0 to 5 mph
SE
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
0 mph
|
|
Friday
Jul 17
|
Mostly Sunny
|
94°F |
0 to 5 mph
S
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
74°F |
0 to 5 mph
S
|
|
Saturday
Jul 18
|
Mostly Sunny
|
96°F |
0 mph
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
74°F |
0 to 5 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across San Jacinto County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in San Jacinto County.
Largest mapped city population in this region: 2,424.