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Last Updated 22 minutes ago
The hourly Fairfield, CA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 13 hours ago
The UV index forecast for the next five days in Fairfield, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Fairfield over the next five days will be 6.6 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Fairfield, CA is below.
Time | UV Index | Risk |
---|---|---|
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 | 1 |
Low |
10am | 2.2 |
Low |
11am | 4.3 |
Moderate |
12pm | 6 |
High |
1pm | 6.6 |
High |
2pm | 6.4 |
High |
3pm | 4.9 |
Moderate |
4pm | 2.9 |
Low |
5pm | 1.3 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Fairfield, 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 | 0.9 |
Low |
10am | 2.2 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.7 |
Moderate |
1pm | 6.4 |
High |
2pm | 6.4 |
High |
3pm | 5.1 |
Moderate |
4pm | 3.2 |
Moderate |
5pm | 1.5 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Fairfield, 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 | 1 |
Low |
10am | 2.5 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.8 |
Moderate |
1pm | 6.6 |
High |
2pm | 6.2 |
High |
3pm | 4.9 |
Moderate |
4pm | 3.1 |
Moderate |
5pm | 1.4 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Fairfield, 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 |