Plumas County, CA: Current UV Index and Hourly Forecast

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As of 11:55 AM PDT on March 23, 2026, all 46 cities in Plumas County, CA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Portola, CA with a reading of 5.1.

Over the next 24 hours, the highest UV Index reading in Plumas County, CA is expected to be 8.1 in Graeagle between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Plumas County, CA

• Almanor - 4.3
• Beckwourth - 5.1
• Belden - 4
• Blairsden - 5.1
• Bucks Lake - 4
• C-Road - 5.1
• Canyondam - 3.6
• Caribou - 4
• Chester - 4.3
• Chilcoot-Vinton - 5.1
• Clio - 5.1
• Crescent Mills - 4.3
• Cromberg - 5.1
• Delleker - 5.1
• East Quincy - 4.3
• East Shore - 3.6
• Gold Mountain - 5.1
• Graeagle - 5.1
• Greenhorn - 4.7
• Greenville - 3.6
• Hamilton Branch - 3.6
• Indian Falls - 4.3
• Iron Horse - 5.1
• Johnsville - 5.1
• Keddie - 4.3
• La Porte - 5
• Lake Almanor Country Club - 4.3
• Lake Almanor Peninsula - 4.3
• Lake Almanor West - 4.3
• Lake Davis - 5.1
• Little Grass Valley - 5
• Mabie - 5.1
• Meadow Valley - 4.3
• Mohawk Vista - 5.1
• Paxton - 4.3
• Plumas Eureka - 5.1
• Portola - 5.1
• Prattville - 4.3
• Quincy - 4.3
• Spring Garden - 4.7
• Taylorsville - 4.7
• Tobin - 4
• Twain - 4.3
• Valley Ranch - 5.1
• Warner Valley - 4.1
• Whitehawk - 5.1