UV Index for Tri-City, OR

Current Tri-City UV Index

3.3 (Moderate)

Last Updated 8 minutes ago

Hourly Tri-City UV Index

The hourly Tri-City, OR UV Index forecast for Monday, September 15th, 2025.

5 Day Hourly Tri-City UV Index Forecast

Last Updated 5 hours ago

The UV index forecast for the next five days in Tri-City, OR has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Tri-City over the next five days will be 6.6 on Monday, September 15th at 1:00 pm.

The UV index forecast for Monday, September 15th in Tri-City, OR is below.

Time UV Index Risk
5pm 1.6
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 Tuesday, September 16th in Tri-City, OR 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
Low
10am 2.5
Low
11am 4.3
Moderate
12pm 5.8
Moderate
1pm 6.6
High
2pm 6.3
High
3pm 5
Moderate
4pm 3.3
Moderate
5pm 1.6
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 17th in Tri-City, OR 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 1
Low
10am 2.4
Low
11am 4.1
Moderate
12pm 5.6
Moderate
1pm 6.4
High
2pm 6.2
High
3pm 5
Moderate
4pm 3.2
Moderate
5pm 1.6
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 18th in Tri-City, OR 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 2
Low
11am 3.1
Moderate
12pm 3
Moderate
1pm 3
Moderate
2pm 3.3
Moderate
3pm 3
Moderate
4pm 2.5
Low
5pm 1.2
Low
6pm 0.4
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 Tri-City, OR is below.

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