Gresham, Oregon

Last updated: 5:16 AM CDT  ·  Refresh
17°C
Feels like 17°
Clear
▲ 32°  /  ▼ 11°
Wind
2 mph W
Humidity
74%
Dew Point
12°
Pressure
29.66 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:00 AM
Sunset
8:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gresham is currently clear at 17°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:00AM · Sunset: 8:27PM.

Alerts

No active alerts for this location.
45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
3%
4 AM
17°
3%
5 AM
12°
3%
6 AM
13°
3%
7 AM
14°
3%
8 AM
15°
3%
9 AM
17°
3%
10 AM
19°
3%
11 AM
21°
3%
12 PM
23°
3%
1 PM
27°
3%
2 PM
29°
3%
3 PM
29°
3%
4 PM
29°
3%
5 PM
32°
3%
6 PM
31°
3%
7 PM
29°
3%
8 PM
27°
3%
9 PM
23°
3%
10 PM
21°
3%
11 PM
19°
3%
12 AM
19°
3%
1 AM
18°
3%
2 AM
17°
3%
7-Day Forecast
Today
32° 11°
Mostly Clear.
Sun
29° 11°
Mostly Clear.
Mon
29° 10°
Partly Cloudy.
Tue
31° 9°
Overcast.
Wed
28° 12°
Mostly Clear.
Thu
34° 10°
Partly Cloudy.
Fri
37° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 17° Clear 3% 2 mph W 74%
4 AM 17° Mostly Clear 3% 2 mph WNW 76%
5 AM 12° Mostly Clear 3% 2 mph WNW 77%
6 AM 13° Partly Cloudy 3% 2 mph WNW 75%
7 AM 14° Mostly Cloudy 3% 2 mph NW 72%
8 AM 15° Mostly Cloudy 3% 3 mph NW 67%
9 AM 17° Partly Cloudy 3% 3 mph NW 60%
10 AM 19° Partly Cloudy 3% 4 mph NW 53%
11 AM 21° Clear 3% 4 mph NW 46%
12 PM 23° Clear 3% 5 mph NW 40%
1 PM 27° Clear 3% 6 mph NW 35%
2 PM 29° Clear 3% 7 mph NW 30%
3 PM 29° Clear 3% 8 mph NNW 28%
4 PM 29° Clear 3% 10 mph NNW 27%
5 PM 32° Clear 3% 10 mph NNW 28%
6 PM 31° Clear 3% 10 mph NNW 32%
7 PM 29° Clear 3% 9 mph NNW 37%
8 PM 27° Clear 3% 8 mph NNW 43%
9 PM 23° Mostly Clear 3% 7 mph NNW 49%
10 PM 21° Mostly Clear 3% 6 mph NNW 55%
11 PM 19° Mostly Clear 3% 5 mph NNW 60%
12 AM 19° Mostly Clear 3% 4 mph NNW 63%
1 AM 18° Mostly Clear 3% 4 mph NNW 67%
2 AM 17° Mostly Clear 3% 4 mph NNW 71%
15-Day Forecast
Today
8/8
Mostly Clear
3%
11°
32°
Sun
8/9
Mostly Clear
3%
11°
29°
Mon
8/10
Partly Cloudy
6%
10°
29°
Tue
8/11
Overcast
3%
9°
31°
Wed
8/12
Mostly Clear
15%
12°
28°
Thu
8/13
Partly Cloudy
3%
10°
34°
Fri
8/14
Clear
12%
14°
37°
Sat
8/15
Partly Cloudy
15%
15°
33°
Sun
8/16
Mostly Clear
15%
13°
33°
Mon
8/17
Overcast
19%
12°
29°
Tue
8/18
Clear
25%
14°
28°
Wed
8/19
Drizzle
60%
13°
27°
Thu
8/20
Drizzle
60%
13°
26°
Fri
8/21
Drizzle
60%
13°
27°
Sat
8/22
Drizzle
60%
13°
28°
45
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
35 AQI 6.3 µg/m³
O3
Ground-level ozone
Dominant
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 45 35
Sun 33 Good 33 16
Mon 31 Good 31 17
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, 09:00'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
MLCAPE13 J/kg
MUCAPE0 J/kg
SBCIN-12826 J/kg
MLCIN0 J/kg
Lifted Index12.5
Kinematics
0–6 km Shear23 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH-29
0–3 km SRH-84
Eff. SRH—
Storm Motion212° @ 16 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index-5.1
Thermo & Levels
PWAT0.66 in
0–3 km LR2.1 °C/km
700–500 LR6.3 °C/km
Total Totals25.1
LCL937 hPa
LFC—
EL—
Freezing Lvl15,390 ft