Siskiyou County, CA: Current UV Index and Hourly Forecast

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As of 1:06 PM PDT on April 20, 2025, all 21 cities in Siskiyou County, CA in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Mount Shasta, CA with a reading of 7.2.

Over the next 24 hours, the highest UV Index reading in Siskiyou County, CA is expected to be 7.2 in Mount Shasta between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Siskiyou County, CA

• Carrick - 7.1
• Dorris - 6.9
• Dunsmuir - 7.2
• Edgewood - 6.9
• Etna - 7.1
• Fort Jones - 7
• Gazelle - 6.9
• Greenview - 7.1
• Grenada - 6.7
• Happy Camp - 6.8
• Hornbrook - 6.7
• Lake Shastina - 6.9
• Macdoel - 7
• McCloud - 7.2
• Montague - 6.7
• Mount Hebron - 7
• Mount Shasta - 7.2
• Tennant - 7.2
• Tulelake - 6.8
• Weed - 6.9
• Yreka - 6.9