Gresham, Oregon

Last updated: 8:28 AM CDT · Refresh

13°C

Feels like 13°

Overcast

▲ 23° / ▼ 11°

Wind

2 mph SW

Humidity

93%

Dew Point

12°

Pressure

29.77 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

87%

Sunrise

6:37 AM

Sunset

7:35 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Gresham is currently overcast at 13°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:37AM · Sunset: 7:35PM.

42 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

13°

7 AM

13°

8 AM

14°

17%

9 AM

16°

33%

10 AM

17°

32%

11 AM

18°

12 PM

19°

1 PM

21°

2 PM

22°

3 PM

22°

4 PM

22°

5 PM

22°

6 PM

21°

7 PM

19°

8 PM

18°

9 PM

17°

10 PM

16°

11 PM

16°

12 AM

15°

1 AM

14°

2 AM

13°

3 AM

13°

4 AM

13°

5 AM

12°

7-Day Forecast

Today

23° 11°

Partly Cloudy with a 33% chance of rain.

Tue

28° 11°

Clear.

Wed

28° 13°

Clear.

Thu

22° 9°

Overcast.

Fri

19° 7°

Clear.

Sat

19° 9°

Rain, 42% chance.

Sun

22° 7°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 13° Overcast 8% 2 mph SW 93%

7 AM 13° Mostly Cloudy 3% 2 mph SSW 91%

8 AM 14° Mostly Cloudy 17% 2 mph WSW 88%

9 AM 16° Mostly Cloudy 33% 2 mph W 83%

10 AM 17° Partly Cloudy 32% 2 mph WNW 77%

11 AM 18° Partly Cloudy 3% 2 mph NW 72%

12 PM 19° Partly Cloudy 3% 3 mph NW 66%

1 PM 21° Partly Cloudy 3% 3 mph NW 60%

2 PM 22° Mostly Clear 3% 4 mph NW 56%

3 PM 22° Clear 3% 4 mph NW 53%

4 PM 22° Clear 3% 4 mph NW 51%

5 PM 22° Clear 3% 4 mph NNW 53%

6 PM 21° Clear 3% 3 mph NNW 58%

7 PM 19° Clear 3% 3 mph NW 64%

8 PM 18° Clear 3% 3 mph WNW 69%

9 PM 17° Clear 3% 2 mph WNW 73%

10 PM 16° Clear 3% 3 mph NW 78%

11 PM 16° Clear 3% 2 mph NW 82%

12 AM 15° Clear 3% 2 mph NW 84%

1 AM 14° Clear 3% 2 mph WNW 86%

2 AM 13° Clear 3% 2 mph NW 87%

3 AM 13° Clear 3% 2 mph NW 88%

4 AM 13° Clear 3% 2 mph NNW 89%

5 AM 12° Clear 3% 2 mph NNW 88%

15-Day Forecast

Today

9/7

Partly Cloudy

33%

11°

23°

Tue

9/8

Clear

11°

28°

Wed

9/9

Clear

13°

28°

Thu

9/10

Overcast

9°

22°

Fri

9/11

Clear

7°

19°

Sat

9/12

Rain

42%

9°

19°

Sun

9/13

Clear

7°

22°

Mon

9/14

Clear

18%

10°

25°

Tue

9/15

Clear

11°

27°

Wed

9/16

Clear

21%

11°

26°

Thu

9/17

Clear

25%

13°

26°

Fri

9/18

Clear

25%

12°

26°

Sat

9/19

Clear

25%

12°

24°

Sun

9/20

Clear

25%

12°

24°

Mon

9/21

Drizzle

60%

12°

24°

Good

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

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

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

42 AQI 7.6 µg/m³

O₃

Ground-level ozone

34 AQI 38 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Tue 42 Good 34 42

Wed 34 Good 34 32

Thu 52 Moderate 39 52

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Mon Sep 7, 11:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE9 J/kg

MUCAPE11 J/kg

SBCIN—

MLCIN0 J/kg

Lifted Index5.5

Kinematics

0–6 km Shear37 kt

0–1 km Shear7 kt

Eff. Shear—

0–1 km SRH36

0–3 km SRH42

Eff. SRH—

Storm Motion5° @ 20 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index16.1

Thermo & Levels

PWAT0.89 in

0–3 km LR5.0 °C/km

700–500 LR5.8 °C/km

Total Totals43.7

LCL991 hPa

LFC—

EL—

Freezing Lvl8,747 ft

Gresham, Oregon

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