San Jacinto County, TX Weather Forecast
County weather hub
Patchy Fog then Partly Sunny
Compare major city weather across San Jacinto County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog before 9am. Partly sunny, with a high near 94. Heat index values as high as 101. South wind 0 to 5 mph.
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
- May 30 to Jun 4, 2026
- Latest sync
- May 29, 2026 4:56 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 94 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Saturday at about 0 to 5 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 29, 2026 4:56 PM CDT
- Coverage
- 6 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
Mostly cloudy, with a low around 74. Heat index values as high as 101. South wind 0 to 5 mph.
Partly sunny, with a high near 93. South wind 0 to 5 mph.
Partly cloudy, with a low around 75.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Patchy Fog then Partly Sunny
|
94°F |
0 to 5 mph
S
|
|
Saturday Night
May 30
|
Mostly Cloudy
|
74°F |
0 to 5 mph
S
|
|
Sunday
May 31
|
Partly Sunny
|
93°F |
0 to 5 mph
S
|
|
Sunday Night
May 31
|
Partly Cloudy
|
75°F |
0 to 5 mph
S
|
|
Monday
Jun 1
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
SE
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
E
|
|
Tuesday
Jun 2
|
Chance Showers And Thunderstorms
|
91°F |
0 mph
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
72°F |
0 mph
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
E
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms
|
71°F |
0 mph
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SE
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
SE
|
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.
