UV Index Today in Stanislaus County, California (CA)

Friday, May 22, 2026 -11:40 AMPDT (GMT-7)

The average maximum UV Index today across 29 locations in Stanislaus County, California (CA), is 8.6. The highest projected maximum is 8.8 in Lake Don Pedro at 1:00 PM PDT, while the lowest projected maximum is 8.5 in Modesto at 1:00 PM PDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 8.6. The highest projected maximum is 9 in Lake Don Pedro at 1:00 PM PDT, and the lowest projected maximum is 8.5 in Ripon at 1:00 PM PDT.

29 Places in Stanislaus County, California (CA)

Maximum UV Index Today