Heat Advisory — Putnam, NY, Rockland, NY, Northern Westchester, NY, Southern Fairfield, CT, Southern New Haven, CT, Southern Middlesex, CT, Southern New London, CT, Western Passaic, NJ, Eastern Passaic, NJ, Hudson, NJ, Western Bergen, NJ, Eastern Bergen, NJ, Western Essex, NJ, Eastern Essex, NJ, Western Union, NJ, Eastern Union, NJ, Southern Westchester, NY, New York (Manhattan), NY, Bronx, NY, Richmond (Staten Is.), NY, Kings (Brooklyn), NY, Northern Queens, NY, Southern Queens, NY, Northwest Suffolk, NY, Northeast Suffolk, NY, Southwest Suffolk, NY, Southeast Suffolk, NY, Northern Nassau, NY, Southern Nassau, NY 7:00 PM

Portland, Oregon

Last updated: 2:21 AM CDT  ·  Refresh
20°C
Feels like 19°
Clear
▲ 34°  /  ▼ 12°
Wind
4 mph N
Humidity
59%
Dew Point
13°
Pressure
29.86 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:01 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Portland is currently clear at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:01AM · Sunset: 8:28PM.

Alerts

Heat Advisory
Putnam, NY, Rockland, NY, Northern Westchester, NY, Southern Fairfield, CT, Southern New Haven, CT, Southern Middlesex, CT, Southern New London, CT, Western Passaic, NJ, Eastern Passaic, NJ, Hudson, NJ, Western Bergen, NJ, Eastern Bergen, NJ, Western Essex, NJ, Eastern Essex, NJ, Western Union, NJ, Eastern Union, NJ, Southern Westchester, NY, New York (Manhattan), NY, Bronx, NY, Richmond (Staten Is.), NY, Kings (Brooklyn), NY, Northern Queens, NY, Southern Queens, NY, Northwest Suffolk, NY, Northeast Suffolk, NY, Southwest Suffolk, NY, Southeast Suffolk, NY, Northern Nassau, NY, Southern Nassau, NY
Expires 7:00 PM
39 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
5%
1 AM
19°
3%
2 AM
19°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
13°
3%
6 AM
14°
3%
7 AM
14°
3%
8 AM
16°
3%
9 AM
17°
3%
10 AM
19°
3%
11 AM
21°
3%
12 PM
23°
3%
1 PM
29°
3%
2 PM
30°
3%
3 PM
30°
3%
4 PM
30°
3%
5 PM
34°
3%
6 PM
32°
3%
7 PM
29°
3%
8 PM
28°
3%
9 PM
25°
3%
10 PM
24°
3%
11 PM
23°
3%
7-Day Forecast
Today
34° 12°
Mostly Clear.
Sun
30° 12°
Mostly Clear.
Mon
30° 12°
Partly Cloudy.
Tue
32° 12°
Overcast.
Wed
31° 13°
Clear.
Thu
36° 11°
Clear.
Fri
38° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Clear 5% 4 mph N 59%
1 AM 19° Clear 3% 3 mph N 61%
2 AM 19° Mostly Clear 3% 2 mph N 64%
3 AM 18° Partly Cloudy 3% 2 mph N 66%
4 AM 18° Mostly Cloudy 3% 2 mph N 69%
5 AM 13° Mostly Cloudy 3% 2 mph N 70%
6 AM 14° Partly Cloudy 3% 3 mph N 69%
7 AM 14° Mostly Cloudy 3% 2 mph N 68%
8 AM 16° Mostly Cloudy 3% 3 mph NNE 63%
9 AM 17° Partly Cloudy 3% 3 mph NNE 57%
10 AM 19° Partly Cloudy 3% 4 mph N 50%
11 AM 21° Mostly Clear 3% 4 mph N 43%
12 PM 23° Clear 3% 5 mph N 37%
1 PM 29° Clear 3% 6 mph NNW 32%
2 PM 30° Clear 3% 8 mph NNW 27%
3 PM 30° Clear 3% 9 mph NNW 26%
4 PM 30° Clear 3% 10 mph NNW 25%
5 PM 34° Clear 3% 11 mph NNW 26%
6 PM 32° Clear 3% 10 mph NNW 30%
7 PM 29° Clear 3% 10 mph NNW 35%
8 PM 28° Clear 3% 9 mph NNW 40%
9 PM 25° Clear 3% 9 mph NNW 45%
10 PM 24° Clear 3% 8 mph NNW 50%
11 PM 23° Clear 3% 7 mph NNW 54%
15-Day Forecast
Today
8/8
Mostly Clear
5%
12°
34°
Sun
8/9
Mostly Clear
3%
12°
30°
Mon
8/10
Partly Cloudy
7%
12°
30°
Tue
8/11
Overcast
3%
12°
32°
Wed
8/12
Clear
3%
13°
31°
Thu
8/13
Clear
3%
11°
36°
Fri
8/14
Clear
3%
16°
38°
Sat
8/15
Rain
29%
17°
34°
Sun
8/16
Clear
19%
15°
33°
Mon
8/17
Clear
21%
12°
29°
Tue
8/18
Clear
25%
14°
29°
Wed
8/19
Drizzle
60%
13°
27°
Thu
8/20
Drizzle
60%
13°
27°
Fri
8/21
Drizzle
60%
13°
27°
Sat
8/22
Drizzle
60%
13°
28°
39
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
20 AQI 3.6 µg/m³
O3
Ground-level ozone
Dominant
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 39 20
Sun 29 Good 29 10
Mon 29 Good 29 14
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 Sat Aug 8, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE20 J/kg
MUCAPE0 J/kg
SBCIN-11340 J/kg
MLCIN0 J/kg
Lifted Index10.3
Kinematics
0–6 km Shear25 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH4
0–3 km SRH-71
Eff. SRH—
Storm Motion214° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-1.6
Thermo & Levels
PWAT0.69 in
0–3 km LR3.0 °C/km
700–500 LR6.2 °C/km
Total Totals24.7
LCL915 hPa
LFC—
EL—
Freezing Lvl15,597 ft