UV Index for Sumas, WA

Current Sumas UV Index

0.1 (Low)

Last Updated 42 minutes ago

Hourly Sumas UV Index

The hourly Sumas, WA UV Index forecast for Wednesday, October 22nd, 2025.

5 Day Hourly Sumas UV Index Forecast

Last Updated 5 hours ago

The UV index forecast for the next five days in Sumas, WA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Sumas over the next five days will be 1.1 on Wednesday, October 22nd at 1:00 pm.

The UV index forecast for Wednesday, October 22nd in Sumas, WA is below.

Time UV Index Risk
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 Thursday, October 23rd in Sumas, WA 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 0.1
Low
10am 0.2
Low
11am 0.5
Low
12pm 0.7
Low
1pm 0.6
Low
2pm 1.1
Low
3pm 1.1
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 Friday, October 24th in Sumas, WA 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
Low
10am 0
Low
11am 0.1
Low
12pm 0.1
Low
1pm 0.1
Low
2pm 0.1
Low
3pm 0.1
Low
4pm 0.2
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 Saturday, October 25th in Sumas, WA 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 0.1
Low
10am 0.4
Low
11am 0.8
Low
12pm 0.8
Low
1pm 0.7
Low
2pm 0.7
Low
3pm 0.5
Low
4pm 0.4
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 Sunday, October 26th in Sumas, WA is below.

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