Plumas County, CA: Current UV Index and Hourly Forecast

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As of 12:32 PM PDT on September 19, 2026, all 46 cities in Plumas County, CA in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Portola, CA with a reading of 6.4.

Over the next 24 hours, the highest UV Index reading in Plumas County, CA is expected to be 7 in Portola between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Plumas County, CA

• Almanor - 6
• Beckwourth - 6.4
• Belden - 6.1
• Blairsden - 6.4
• Bucks Lake - 6.1
• C-Road - 6.4
• Canyondam - 6
• Caribou - 6.1
• Chester - 6
• Chilcoot-Vinton - 6.4
• Clio - 6.4
• Crescent Mills - 6.1
• Cromberg - 6.4
• Delleker - 6.4
• East Quincy - 6.1
• East Shore - 6
• Gold Mountain - 6.4
• Graeagle - 6.4
• Greenhorn - 6.2
• Greenville - 6
• Hamilton Branch - 6
• Indian Falls - 6.1
• Iron Horse - 6.4
• Johnsville - 6.4
• Keddie - 6.1
• La Porte - 6.3
• Lake Almanor Country Club - 6
• Lake Almanor Peninsula - 6
• Lake Almanor West - 6
• Lake Davis - 6.4
• Little Grass Valley - 6.3
• Mabie - 6.4
• Meadow Valley - 6.1
• Mohawk Vista - 6.4
• Paxton - 6.1
• Plumas Eureka - 6.4
• Portola - 6.4
• Prattville - 6
• Quincy - 6.1
• Spring Garden - 6.2
• Taylorsville - 6.2
• Tobin - 6.1
• Twain - 6.1
• Valley Ranch - 6.4
• Warner Valley - 6
• Whitehawk - 6.4