Siskiyou County, CA: Current UV Index and Hourly Forecast

• USA →
• California →
• Siskiyou County

As of 4:51 AM PDT on June 5, 2026, all 21 cities in Siskiyou County, CA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Siskiyou County, CA is expected to be 10 in Tennant between 1:00 PM - 2:00 PM PDT today.

Search Cities in Siskiyou County, CA

Current UV Index in Cities in Siskiyou County, CA

• Carrick - 0
• Dorris - 0
• Dunsmuir - 0
• Edgewood - 0
• Etna - 0
• Fort Jones - 0
• Gazelle - 0
• Greenview - 0
• Grenada - 0
• Happy Camp - 0
• Hornbrook - 0
• Lake Shastina - 0
• Macdoel - 0
• McCloud - 0
• Montague - 0
• Mount Hebron - 0
• Mount Shasta - 0
• Tennant - 0
• Tulelake - 0
• Weed - 0
• Yreka - 0