UV Index for Grand Terrace, CA

Current Grand Terrace UV Index

0 (Low)

Last Updated 14 minutes ago

Hourly Grand Terrace UV Index

The hourly Grand Terrace, CA UV Index forecast for Wednesday, December 31st, 2025.

5 Day Hourly Grand Terrace UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Grand Terrace, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Grand Terrace over the next five days will be 1.4 on Thursday, January 1st at 12:00 pm.

The UV index forecast for Wednesday, December 31st in Grand Terrace, CA is below.

Time UV Index Risk
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 0.2
Low
12pm 0.2
Low
1pm 0.2
Low
2pm 0.2
Low
3pm 0
Low
4pm 0
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, January 1st in Grand Terrace, 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 0.1
Low
11am 1.1
Low
12pm 1.4
Low
1pm 1.4
Low
2pm 1.1
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 Friday, January 2nd in Grand Terrace, 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 0.2
Low
9am 0.6
Low
10am 0.9
Low
11am 1
Low
12pm 1.4
Low
1pm 1
Low
2pm 0.7
Low
3pm 0.4
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 Saturday, January 3rd in Grand Terrace, CA is below.

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