UV Index for Mountain Ranch, CA

Current Mountain Ranch UV Index

0 (Low)

Last Updated 24 minutes ago

Hourly Mountain Ranch UV Index

The hourly Mountain Ranch, CA UV Index forecast for Wednesday, December 31st, 2025.

5 Day Hourly Mountain Ranch UV Index Forecast

Last Updated 10 hours ago

The UV index forecast for the next five days in Mountain Ranch, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Mountain Ranch over the next five days will be 1.9 on Saturday, January 3rd at 12:00 pm.

The UV index forecast for Wednesday, December 31st in Mountain Ranch, CA is below.

Time UV Index Risk
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, January 1st in Mountain Ranch, 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 0.2
Low
11am 0.9
Low
12pm 0.6
Low
1pm 1
Low
2pm 0.6
Low
3pm 0.1
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 Mountain Ranch, 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 0.5
Low
10am 1.1
Low
11am 1.5
Low
12pm 1.8
Low
1pm 1.4
Low
2pm 0.9
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 Saturday, January 3rd in Mountain Ranch, 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
Low
10am 0.1
Low
11am 1.5
Low
12pm 1.9
Low
1pm 1.5
Low
2pm 1
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 Sunday, January 4th in Mountain Ranch, CA is below.

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