UV Index for Irwindale, CA

Current Irwindale UV Index

2 (Low)

Last Updated 39 minutes ago

Hourly Irwindale UV Index

The hourly Irwindale, CA UV Index forecast for Sunday, December 21st, 2025.

5 Day Hourly Irwindale UV Index Forecast

Last Updated 40 minutes ago

The UV index forecast for the next five days in Irwindale, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Irwindale over the next five days will be 3 on Sunday, December 21st at 12:00 pm.

The UV index forecast for Sunday, December 21st in Irwindale, CA is below.

Time UV Index Risk
11am 2.7
Low
12pm 3
Moderate
1pm 2.5
Low
2pm 1.6
Low
3pm 0.8
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, December 22nd in Irwindale, CA 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 1.8
Low
11am 2.4
Low
12pm 2.7
Low
1pm 2.4
Low
2pm 1.5
Low
3pm 0.7
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, December 23rd in Irwindale, CA 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 0.1
Low
9am 0.6
Low
10am 0.9
Low
11am 1.2
Low
12pm 1.1
Low
1pm 1.8
Low
2pm 1.2
Low
3pm 0.7
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, December 24th in Irwindale, CA 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 0.5
Low
11am 1
Low
12pm 0.9
Low
1pm 1.2
Low
2pm 1
Low
3pm 0.6
Low
4pm 0.1
Low
5pm 0
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, December 25th in Irwindale, CA is below.

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