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Port Arthur, TX Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Port Arthur, Jefferson County, Texas.

Updated Jul 29, 2026, 2:18 PM local time · Radar refreshes every 5 minutes

⛅
Port Arthur
Partly cloudy
92°F
Feels like 100°F
Wind 11 mph
Humidity 66%
Cloud cover 51%
UV index 9
Alerts 2

Active alerts (2)

Heat AdvisoryModerate
Harper; Woods; Alfalfa; Grant; Kay; Ellis; Woodward; Major; Garfield; Noble; Roger Mills; Dewey; Custer; Blaine; Kingfisher; Logan; Beckham; Washita; Caddo; Canadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Pontotoc; Cotton; Jefferson; Carter; Johnston; Love; Marshall; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Until Jul 30, 2026, 4:00 AM
Full details 
* WHAT...For both Heat Advisories, heat index values up to 109.

* WHERE...Portions of central, east central, northern, northwest,
southeast, southern, southwest, and western Oklahoma and northern
Texas.

* WHEN...For the first Heat Advisory, until 9 PM CDT this evening.
For the second Heat Advisory, from noon to 9 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.
Heat AdvisoryModerate
Harper; Woods; Alfalfa; Grant; Kay; Ellis; Woodward; Major; Garfield; Noble; Roger Mills; Dewey; Custer; Blaine; Kingfisher; Logan; Beckham; Washita; Caddo; Canadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Pontotoc; Cotton; Jefferson; Carter; Johnston; Love; Marshall; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Until Jul 30, 2026, 4:00 AM
Full details 
* WHAT...For both Heat Advisories, heat index values up to 109.

* WHERE...Portions of central, east central, northern, northwest,
southeast, southern, southwest, and western Oklahoma and northern
Texas.

* WHEN...For the first Heat Advisory, until 9 PM CDT this evening.
For the second Heat Advisory, from noon to 9 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.

Port Arthur weather radar

Light Heavy

Next 24 hours

Now
⛅
93°F
6%
3 PM
🌦️
87°F
7%
4 PM
🌦️
89°F
6%
5 PM
☁️
90°F
3%
6 PM
🌤️
91°F
2%
7 PM
⛅
89°F
1%
8 PM
☀️
87°F
1%
9 PM
☁️
84°F
1%
10 PM
🌤️
83°F
1%
11 PM
⛅
83°F
 
12 AM
⛅
82°F
 
1 AM
⛅
81°F
 
2 AM
☁️
81°F
 
3 AM
☁️
81°F
 
4 AM
☁️
80°F
1%
5 AM
☁️
80°F
1%
6 AM
☁️
79°F
2%
7 AM
☁️
77°F
2%
8 AM
☁️
82°F
3%
9 AM
☁️
86°F
3%
10 AM
☁️
88°F
4%
11 AM
☁️
91°F
5%
12 PM
🌤️
94°F
5%
1 PM
🌤️
95°F
5%

7-day forecast

Today
Jul 29
🌦️
94°F
79°F
7%
Thu
Jul 30
☁️
95°F
77°F
7%
Fri
Jul 31
☁️
95°F
77°F
3%
Sat
Aug 1
⛈️
98°F
76°F
8%
Sun
Aug 2
🌧️
93°F
75°F
44%
Mon
Aug 3
🌦️
96°F
75°F
14%
Tue
Aug 4
🌦️
94°F
75°F
13%

Weather near Port Arthur

5 mi Groves, TX7 mi Nederland, TX17 mi Beaumont, TX19 mi Orange, TX42 mi Sulphur, LA50 mi Lake Charles, LA63 mi Baytown, TX65 mi Galveston, 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.

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