Linn County, IA: Current UV Index and Hourly Forecast

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As of 4:52 PM CDT on March 20, 2026, all 18 cities in Linn County, IA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Cedar Rapids, IA with a reading of 2.3.

Over the next 24 hours, the highest UV Index reading in Linn County, IA is expected to be 5.8 in Cedar Rapids between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Linn County, IA

• Alburnett - 2.3
• Bertram - 2.3
• Cedar Rapids - 2.3
• Center Point - 2.3
• Central City - 2.3
• Coggon - 2.3
• Ely - 2.3
• Fairfax - 2.3
• Hiawatha - 2.3
• Lisbon - 2.3
• Marion - 2.3
• Mount Vernon - 2.3
• Palo - 2.3
• Prairieburg - 2.3
• Robins - 2.3
• Springville - 2.3
• Walford - 2.3
• Walker - 2.3