UV Index for Port Arthur, TX

Current Port Arthur UV Index

0 (Low)

Last Updated 58 minutes ago

Hourly Port Arthur UV Index

The hourly Port Arthur, TX UV Index forecast for Sunday, February 1st, 2026.

5 Day Hourly Port Arthur UV Index Forecast

Last Updated 19 hours ago

The UV index forecast for the next five days in Port Arthur, TX has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Port Arthur over the next five days will be 4.5 on Sunday, February 1st at 12:00 pm.

The UV index forecast for Sunday, February 1st in Port Arthur, TX is below.

Time UV Index Risk
7am 0
Low
8am 0.4
Low
9am 1.2
Low
10am 2.6
Low
11am 3.8
Moderate
12pm 4.5
Moderate
1pm 4.3
Moderate
2pm 3.3
Moderate
3pm 1.9
Low
4pm 0.8
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, February 2nd in Port Arthur, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.4
Low
9am 1.2
Low
10am 2.3
Low
11am 3.9
Moderate
12pm 4.5
Moderate
1pm 4.2
Moderate
2pm 2.7
Low
3pm 1.8
Low
4pm 0.7
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, February 3rd in Port Arthur, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.2
Low
9am 0.9
Low
10am 1.4
Low
11am 2.3
Low
12pm 2.9
Low
1pm 2.7
Low
2pm 2.4
Low
3pm 1.3
Low
4pm 0.5
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, February 4th in Port Arthur, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low