Grant County, OR: Current UV Index and Hourly Forecast

As of 4:36 AM PDT on October 29, 2025, all 9 cities in Grant County, OR in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Grant County, OR is expected to be 3 in Seneca between 1:00 PM - 2:00 PM PDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Grant County, OR as of 4:36 AM PDT, October 29, 2025

Current UV Index in Cities in Grant County, OR

4:36 AM PDT, October 29, 2025