UV Index for Lake Arthur, LA

Current Lake Arthur UV Index

0 (Low)

Last Updated 42 minutes ago

Hourly Lake Arthur UV Index

The hourly Lake Arthur, LA UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly Lake Arthur UV Index Forecast

Last Updated 13 hours ago

The UV index forecast for the next five days in Lake Arthur, LA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Lake Arthur over the next five days will be 9.2 on Friday, September 19th at 1:00 pm.

The UV index forecast for Thursday, September 18th in Lake Arthur, LA is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.3
Low
9am 1.3
Low
10am 3.2
Moderate
11am 5.6
Moderate
12pm 7.6
High
1pm 8.7
Very High
2pm 8.3
Very High
3pm 6.6
High
4pm 4.1
Moderate
5pm 2
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Lake Arthur, LA 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 0.3
Low
9am 1.3
Low
10am 3.2
Moderate
11am 5.8
Moderate
12pm 7.9
High
1pm 9.2
Very High
2pm 8.7
Very High
3pm 6.8
High
4pm 4.3
Moderate
5pm 2
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Lake Arthur, LA 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 0.3
Low
9am 1.2
Low
10am 3
Moderate
11am 5.4
Moderate
12pm 7.3
High
1pm 8.5
Very High
2pm 7.9
High
3pm 6.2
High
4pm 3.9
Moderate
5pm 1.8
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Lake Arthur, LA 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