UV Index Today in Fremont, California (CA)

Sunday, September 20, 2026 -9:22 AM PDT (GMT-7)

The UV Index in Fremont, California (CA) right now is 0.9. This reading was last updated at 9:00 AM PDT, about 22 minutes ago. The UV Index at10:00 AM PDT, in about 37 minutes from now, is expected to be 2.2.

The maximum UV Index today in Fremont is expected to be 6.1 at 1:00 PM PDT,3 hours and 37 minutes from now. The maximum UV Index tomorrow is expected to be 6.6 at 1:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

September 20
6.1
1:00 PM PDT
High

Tomorrow

September 21
6.6
1:00 PM PDT
High

UV Index Today Hourly

September 20

Weather models predict UV Index 6.1 for Fremont, California (CA) today, peaking near 1:00 PM PDT - High risk level.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMPacific Daylight Time (PDT, GMT-7)Now: 9:22 AM00.20.92.22.33.96.15.33.71.60.90.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

September 21

Weather models predict UV Index 6.6 for Fremont, California (CA) tomorrow, peaking near 1:00 PM PDT - High risk level.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMPacific Daylight Time (PDT, GMT-7)00.31.12.64.466.66.24.93.11.40.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

September 19, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.3
Low
9:00 AM1.2
Low
10:00 AM2.8
Moderate
11:00 AM4.7
Moderate
12:00 PM6.4
High
1:00 PM7.1
High
2:00 PM6.7
High
3:00 PM5.2
Moderate
4:00 PM3.3
Moderate
5:00 PM1.5
Low
6:00 PM0.4
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 20, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.2
Low
11:00 AM2.3
Low
12:00 PM3.9
Moderate
1:00 PM6.1
High
2:00 PM5.3
Moderate
3:00 PM3.7
Moderate
4:00 PM1.6
Low
5:00 PM0.9
Low
6:00 PM0.4
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 21, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.3
Low
9:00 AM1.1
Low
10:00 AM2.6
Moderate
11:00 AM4.4
Moderate
12:00 PM6
High
1:00 PM6.6
High
2:00 PM6.2
High
3:00 PM4.9
Moderate
4:00 PM3.1
Moderate
5:00 PM1.4
Low
6:00 PM0.4
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 22, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM1
Low
10:00 AM2.5
Moderate
11:00 AM4.3
Moderate
12:00 PM5.8
High
1:00 PM6.5
High
2:00 PM6.1
High
3:00 PM4.8
Moderate
4:00 PM3
Moderate
5:00 PM1.3
Low
6:00 PM0.4
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 23, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.1
Low
11:00 AM4.1
Moderate
12:00 PM5.3
Moderate
1:00 PM6
High
2:00 PM6.2
High
3:00 PM4.8
Moderate
4:00 PM2.9
Moderate
5:00 PM1.3
Low
6:00 PM0.3
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
Data Source: National Oceanic and Atmospheric Administration (NOAA)