UV Index Today in Portland, Oregon (OR)

Saturday, August 8, 2026 -9:25 AM PDT (GMT-7)

The UV Index in Portland, Oregon (OR) right now is 1.7. This reading was last updated at 9:00 AM PDT, about 25 minutes ago. The UV Index at10:00 AM PDT, in about 34 minutes from now, is expected to be 3.5.

The maximum UV Index today in Portland is expected to be 7.7 at 1:00 PM PDT,3 hours and 34 minutes from now. The maximum UV Index tomorrow is expected to be 7.8 at 1:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 8
7.7
1:00 PM PDT
Very High

Tomorrow

August 9
7.8
1:00 PM PDT
Very High

UV Index Today Hourly

August 8

Weather models predict UV Index 7.7 for Portland, Oregon (OR) today, peaking near 1:00 PM PDT - Very High risk level.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)Now: 9:25 AM00.20.71.73.55.577.77.46.14.32.51.20.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 9

The sun will be strongest in Portland, Oregon (OR) around 1:00 PM PDT tomorrow, with a UV Index of 7.8 (Very High risk).

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)00.20.81.93.65.577.87.56.34.52.61.20.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 7, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.8
Low
9:00 AM2
Low
10:00 AM3.7
Moderate
11:00 AM5.6
High
12:00 PM7.2
High
1:00 PM7.9
Very High
2:00 PM7.5
Very High
3:00 PM6.4
High
4:00 PM4.6
Moderate
5:00 PM2.7
Moderate
6:00 PM1.2
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 8, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.7
Low
9:00 AM1.7
Low
10:00 AM3.5
Moderate
11:00 AM5.5
High
12:00 PM7
High
1:00 PM7.7
Very High
2:00 PM7.4
High
3:00 PM6.1
High
4:00 PM4.3
Moderate
5:00 PM2.5
Moderate
6:00 PM1.2
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 9, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.8
Low
9:00 AM1.9
Low
10:00 AM3.6
Moderate
11:00 AM5.5
High
12:00 PM7
High
1:00 PM7.8
Very High
2:00 PM7.5
Very High
3:00 PM6.3
High
4:00 PM4.5
Moderate
5:00 PM2.6
Moderate
6:00 PM1.2
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 10, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.8
Low
9:00 AM1.9
Low
10:00 AM3.6
Moderate
11:00 AM5.4
Moderate
12:00 PM6.9
High
1:00 PM7.6
Very High
2:00 PM7.3
High
3:00 PM6
High
4:00 PM4.3
Moderate
5:00 PM2.5
Moderate
6:00 PM1.1
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 11, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.8
Low
9:00 AM2
Low
10:00 AM3.7
Moderate
11:00 AM5.6
High
12:00 PM7.2
High
1:00 PM7.9
Very High
2:00 PM7.5
Very High
3:00 PM6.3
High
4:00 PM4.4
Moderate
5:00 PM2.6
Moderate
6:00 PM1.1
Low
7:00 PM0.4
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
Data Source: National Oceanic and Atmospheric Administration (NOAA)