UV Index for Fort Lewis, WA

Current Fort Lewis UV Index

0 (Low)

Last Updated 33 seconds ago

Hourly Fort Lewis UV Index

The hourly Fort Lewis, WA UV Index forecast for Monday, September 1st, 2025.

5 Day Hourly Fort Lewis UV Index Forecast

Last Updated 19 hours ago

The UV index forecast for the next five days in Fort Lewis, WA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Fort Lewis over the next five days will be 6 on Tuesday, September 2nd at 1:00 pm.

The UV index forecast for Monday, September 1st in Fort Lewis, WA is below.

Time UV Index Risk
8am 0.4
Low
9am 1.2
Low
10am 2.6
Low
11am 4
Moderate
12pm 4.8
Moderate
1pm 5.4
Moderate
2pm 5.3
Moderate
3pm 4.4
Moderate
4pm 3
Moderate
5pm 1.6
Low
6pm 0.6
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 Fort Lewis, 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 0.4
Low
9am 1.2
Low
10am 2.5
Low
11am 4.2
Moderate
12pm 5.4
Moderate
1pm 6
High
2pm 5.8
Moderate
3pm 4.8
Moderate
4pm 3.2
Moderate
5pm 1.7
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 Wednesday, September 3rd in Fort Lewis, 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 0.4
Low
9am 0.9
Low
10am 2
Low
11am 3.8
Moderate
12pm 5
Moderate
1pm 5.2
Moderate
2pm 5.2
Moderate
3pm 3.6
Moderate
4pm 2.5
Low
5pm 1.2
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 4th in Fort Lewis, 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