UV Index for Tri-City, OR

Current Tri-City UV Index

0 (Low)

Last Updated 50 minutes ago

Hourly Tri-City UV Index

The hourly Tri-City, OR UV Index forecast for Sunday, August 31st, 2025.

5 Day Hourly Tri-City UV Index Forecast

Last Updated 19 hours ago

The UV index forecast for the next five days in Tri-City, OR has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Tri-City over the next five days will be 7.4 on Sunday, August 31st at 1:00 pm.

The UV index forecast for Sunday, August 31st in Tri-City, OR is below.

Time UV Index Risk
7am 0
Low
8am 0.4
Low
9am 1.2
Low
10am 2.6
Low
11am 4.6
Moderate
12pm 6.4
High
1pm 7.4
High
2pm 7.1
High
3pm 5.8
Moderate
4pm 4
Moderate
5pm 2.1
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 Monday, September 1st 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 0.4
Low
9am 1.3
Low
10am 2.8
Low
11am 4.5
Moderate
12pm 6
High
1pm 6.5
High
2pm 6.5
High
3pm 4.8
Moderate
4pm 3.2
Moderate
5pm 1.8
Low
6pm 0.7
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, September 2nd 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 0.9
Low
10am 2
Low
11am 3.4
Moderate
12pm 4.4
Moderate
1pm 5
Moderate
2pm 4.8
Moderate
3pm 2.6
Low
4pm 1.6
Low
5pm 0.8
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 3rd 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