Portland, Oregon

Last updated: 7:09 AM CDT  ·  Refresh
7°C
Feels like 5°
Mostly Clear
▲ 13°  /  ▼ 6°
Wind
2 mph SSW
Humidity
87%
Dew Point
5°
Pressure
29.91 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
29%
Sunrise
6:53 AM
Sunset
4:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Portland is currently mostly clear at 7°C. Precipitation is likely — peak probability 66% around 5 PM. Sunrise: 6:53AM · Sunset: 4:53PM.

Alerts

No active alerts for this location.
64 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
7°
1%
6 AM
6°
1%
7 AM
6°
1%
8 AM
7°
1%
9 AM
6°
1%
10 AM
8°
1%
11 AM
9°
1%
12 PM
9°
3%
1 PM
12°
6%
2 PM
12°
9%
3 PM
12°
16%
4 PM
12°
30%
5 PM
12°
66%
6 PM
12°
64%
7 PM
11°
44%
8 PM
11°
59%
9 PM
12°
29%
10 PM
12°
25%
11 PM
12°
16%
12 AM
11°
15%
1 AM
11°
14%
2 AM
11°
4%
3 AM
10°
2%
4 AM
10°
3%
7-Day Forecast
Today
13° 6°
Mostly Cloudy with a 66% chance of rain.
Thu
14° 7°
Mostly Cloudy.
Fri
13° 7°
Overcast with a 55% chance of rain.
Sat
17° 9°
Overcast with a 90% chance of rain.
Sun
14° 7°
Overcast with a 63% chance of rain.
Mon
12° 6°
Mostly Cloudy with a 44% chance of rain.
Tue
14° 7°
Mostly Cloudy with a 65% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 7° Mostly Clear 1% 2 mph SSW 87%
6 AM 6° Partly Cloudy 1% 2 mph S 88%
7 AM 6° Partly Cloudy 1% 2 mph SSE 89%
8 AM 7° Mostly Cloudy 1% 2 mph S 90%
9 AM 6° Mostly Cloudy 1% 3 mph SSW 87%
10 AM 8° Overcast 1% 3 mph SSW 84%
11 AM 9° Overcast 1% 3 mph SSW 81%
12 PM 9° Overcast 3% 3 mph S 78%
1 PM 12° Overcast 6% 4 mph S 76%
2 PM 12° Overcast 9% 4 mph S 75%
3 PM 12° Overcast 16% 3 mph S 77%
4 PM 12° Overcast 30% 3 mph S 80%
5 PM 12° Overcast 66% 3 mph S 83%
6 PM 12° Overcast 64% 4 mph S 88%
7 PM 11° Overcast 44% 4 mph S 91%
8 PM 11° Rain 59% 4 mph S 92%
9 PM 12° Rain 29% 5 mph SSW 93%
10 PM 12° Rain 25% 5 mph SSW 93%
11 PM 12° Rain 16% 5 mph SSW 94%
12 AM 11° Rain 15% 4 mph SSW 94%
1 AM 11° Rain 14% 4 mph SSW 94%
2 AM 11° Partly Cloudy 4% 3 mph SSW 95%
3 AM 10° Partly Cloudy 2% 3 mph SSW 96%
4 AM 10° Partly Cloudy 3% 3 mph SSW 96%
15-Day Forecast
Today
11/4
Mostly Cloudy
66%
6°
13°
Thu
11/5
Mostly Cloudy
13%
7°
14°
Fri
11/6
Overcast
55%
7°
13°
Sat
11/7
Overcast
90%
9°
17°
Sun
11/8
Overcast
63%
7°
14°
Mon
11/9
Mostly Cloudy
44%
6°
12°
Tue
11/10
Mostly Cloudy
65%
7°
14°
Wed
11/11
Overcast
62%
8°
14°
Thu
11/12
Overcast
68%
8°
14°
Fri
11/13
Overcast
68%
7°
13°
Sat
11/14
Rain
90%
8°
12°
Sun
11/15
Drizzle
86%
7°
11°
Mon
11/16
Rain
90%
7°
11°
Tue
11/17
Drizzle
88%
6°
10°
Wed
11/18
Drizzle
83%
6°
10°
64
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
64 AQI 16.0 µg/m³
O3
Ground-level ozone
20 AQI 22 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 64 Moderate 20 64
Fri 47 Good 22 47
Sat 55 Moderate 10 55
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Nov 4, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE16 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index18.4
Kinematics
0–6 km Shear15 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH-24
0–3 km SRH-19
Eff. SRH—
Storm Motion70° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.6
Thermo & Levels
PWAT0.76 in
0–3 km LR2.9 °C/km
700–500 LR5.0 °C/km
Total Totals38.6
LCL991 hPa
LFC—
EL—
Freezing Lvl8,143 ft