Grant County, WA: Current UV Index and Hourly Forecast

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As of 1:13 PM PDT on April 26, 2025, all 25 cities in Grant County, WA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Ephrata, WA with a reading of 5.4.

Over the next 24 hours, the highest UV Index reading in Grant County, WA is expected to be 5.4 in Moses Lake between 12:00 PM - 1:00 PM PDT tomorrow.

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Current UV Index in Cities in Grant County, WA

• Banks Lake South - 5.3
• Beverly - 5.3
• Cascade Valley - 5.3
• Coulee City - 5.4
• Crescent Bar - 5.4
• Desert Aire - 5.3
• Electric City - 5.3
• Ephrata - 5.4
• George - 5.4
• Grand Coulee - 5.3
• Hartline - 5.1
• Krupp - 5.1
• Lakeview - 5.4
• Marine View - 5.1
• Mattawa - 5.3
• Moses Lake - 5.3
• Moses Lake North - 5.3
• Quincy - 5.4
• Royal City - 5.3
• Schwana - 5.3
• Soap Lake - 5.4
• Sunland Estates - 5.4
• Warden - 4.7
• Wheeler - 5.3
• Wilson Creek - 5.1