Wednesday, November 4

UV index forecast in Portland, Oregon

Today’s forecast is not available here yet. The latest, for Wednesday, November 4, peaked at 2 (low) around 11 AM.

UV index right now in Portland

The forecast for the current hour is unavailable. Check back for a new forecast.

Protection on Nov 4Below UV 3 all dayUV 3 or higher, local time
Solar noon11:55 AMwhen the sun is highest
Sunrise · sunset6:57 AM · 4:53 PMlocal time
Peak2around 11 AM

Sun protection on Wednesday, November 4

Low No protection needed. You can safely stay outside using minimal sun protection (EPA).

What the UV index scale means

Hourly UV forecast

0 3 6 8 11 8AM 1 1 10AM 2 2 12PM 1 1 2PM 1
Portland hourly UV index, Wednesday, November 4: peaks at 2 (Low). Colors follow the WHO exposure categories.
HourUV indexExposure
8 AM0Low
9 AM1Low
10 AM1Low
11 AM2Low
12 PM2Low
1 PM1Low
2 PM1Low
3 PM1Low
 NOAA/EPA UV Index forecast for ZIP 97212, local time. Forecast retrieved Nov 4, 2026 at 11:59 AM PST.

Recent UV forecasts in Portland

Across 7 available forecast dates from Oct 29, 2026 to Nov 4, 2026, the forecast peak ranged from 1 to 2 (highest on Oct 29, 2026).

DatePeak UVExposure
Wed, Nov 42Low
Tue, Nov 32Low
Mon, Nov 21Low
Sun, Nov 12Low
Sat, Oct 311Low
Fri, Oct 302Low
Thu, Oct 292Low
 Archived NOAA/EPA forecasts, not measured UV. Only available dates are shown; missing dates are not estimated.

UV index today near Portland

CityDistancePeak today
Vancouver, WA7.5 mi—
Lake Oswego, OR8.7 mi—
Beaverton, OR9.3 mi—
Happy Valley, OR9.9 mi—
Tigard, OR9.9 mi—
Gresham, OR11 mi—
Camas, WA12 mi—

More: Oregon UV index · Portland frost dates · Cannon Beach water temperature · UV index explained