UV Index for Letha, ID

Current Letha UV Index

4.2 (Moderate)

Last Updated 6 minutes ago

Hourly Letha UV Index

The hourly Letha, ID UV Index forecast for Wednesday, September 17th, 2025.

5 Day Hourly Letha UV Index Forecast

Last Updated 4 hours ago

The UV index forecast for the next five days in Letha, ID has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Letha over the next five days will be 6.6 on Thursday, September 18th at 2:00 pm.

The UV index forecast for Wednesday, September 17th in Letha, ID is below.

Time UV Index Risk
5pm 2.5
Low
6pm 1
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 18th in Letha, ID 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
Low
9am 0.5
Low
10am 1.6
Low
11am 3.1
Moderate
12pm 4.9
Moderate
1pm 6
High
2pm 6.6
High
3pm 5.6
Moderate
4pm 4.3
Moderate
5pm 2.3
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Letha, ID 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
Low
9am 0.4
Low
10am 1.3
Low
11am 2.9
Low
12pm 4.6
Moderate
1pm 5.4
Moderate
2pm 5.8
Moderate
3pm 5
Moderate
4pm 3.5
Moderate
5pm 2
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Letha, ID 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
Low
9am 0.4
Low
10am 1.4
Low
11am 3
Moderate
12pm 4.6
Moderate
1pm 5.8
Moderate
2pm 6.2
High
3pm 5.5
Moderate
4pm 4
Moderate
5pm 2.3
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Letha, ID 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