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South Houston, TX Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for South Houston, Harris County, Texas.

Updated Jul 29, 2026, 3:01 PM local time · Radar refreshes every 5 minutes

🌤️
South Houston
Mostly clear
97°F
Feels like 104°F
Wind 7 mph
Humidity 47%
Cloud cover 35%
UV index 9
Alerts 1

Active alerts (1)

Heat AdvisoryModerate
Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; De Soto; Red River; Bienville; Jackson; Ouachita; Sabine; Natchitoches; Winn; Grant; Caldwell; La Salle; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine
Until Jul 30, 2026, 6:00 AM
Full details
* WHAT...Heat index values ranging from 105 up to near 110.

* WHERE...For southern Arkansas, northern Louisiana, eastern Texas
and for southeast Oklahoma.

* WHEN...Until 8 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

South Houston weather radar

Light Heavy

Next 24 hours

Now
🌤️
97°F
5%
4 PM
🌤️
99°F
4%
5 PM
☀️
96°F
5%
6 PM
🌤️
94°F
5%
7 PM
🌤️
92°F
3%
8 PM
☁️
89°F
3%
9 PM
87°F
1%
10 PM
☁️
84°F
 
11 PM
🌤️
83°F
 
12 AM
☁️
82°F
 
1 AM
☀️
81°F
 
2 AM
☁️
80°F
 
3 AM
☁️
79°F
 
4 AM
☁️
78°F
 
5 AM
☁️
78°F
 
6 AM
🌤️
78°F
1%
7 AM
☀️
77°F
1%
8 AM
☁️
81°F
1%
9 AM
☁️
86°F
2%
10 AM
☁️
88°F
2%
11 AM
91°F
2%
12 PM
94°F
3%
1 PM
☁️
96°F
4%
2 PM
☁️
97°F
4%

7-day forecast

Today
Jul 29
☁️
99°F
77°F
5%
Thu
Jul 30
☁️
99°F
77°F
5%
Fri
Jul 31
☁️
101°F
77°F
2%
Sat
Aug 1
☁️
102°F
79°F
5%
Sun
Aug 2
☁️
100°F
83°F
22%
Mon
Aug 3
🌦️
101°F
80°F
12%
Tue
Aug 4
☁️
99°F
80°F
15%

Weather near South Houston

3 mi Pasadena, TX7 mi Deer Park, TX8 mi Pearland, TX9 mi Friendswood, TX10 mi Houston, TX11 mi Channelview, TX13 mi La Porte, TX14 mi League City, TX
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.