Siskiyou County, CA: Current UV Index and Hourly Forecast

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As of 11:02 PM PST on January 2, 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 1.5 in Dorris between 12:00 PM - 1:00 PM PST tomorrow.

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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