UV Index for Grass Valley, OR

Current Grass Valley UV Index

0 (Low)

Last Updated 7 seconds ago

Hourly Grass Valley UV Index

The hourly Grass Valley, OR UV Index forecast for Sunday, June 15th, 2025.

5 Day Hourly Grass Valley UV Index Forecast

Last Updated 11 hours ago

The UV index forecast for the next five days in Grass Valley, OR has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Grass Valley over the next five days will be 9.6 on Wednesday, June 18th at 1:00 pm.

The UV index forecast for Sunday, June 15th in Grass Valley, OR is below.

Time UV Index Risk
11pm 0
Low

The UV index forecast for Monday, June 16th in Grass Valley, 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 0.1
Low
7am 0.4
Low
8am 1
Low
9am 2.3
Low
10am 4
Moderate
11am 5.4
Moderate
12pm 6.9
High
1pm 7.7
High
2pm 7.4
High
3pm 6.4
High
4pm 4.4
Moderate
5pm 2.8
Low
6pm 1.4
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, June 17th in Grass Valley, 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 0.1
Low
7am 0.5
Low
8am 1.5
Low
9am 3
Moderate
10am 5
Moderate
11am 7.1
High
12pm 8.6
Very High
1pm 9.2
Very High
2pm 8.7
Very High
3pm 7.2
High
4pm 5.3
Moderate
5pm 3.3
Moderate
6pm 1.6
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, June 18th in Grass Valley, 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 0.1
Low
7am 0.6
Low
8am 1.5
Low
9am 3.1
Moderate
10am 5.2
Moderate
11am 7.3
High
12pm 8.9
Very High
1pm 9.6
Very High
2pm 9.1
Very High
3pm 7.5
High
4pm 5.4
Moderate
5pm 3.3
Moderate
6pm 1.6
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, June 19th in Grass Valley, 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