Gresham, Oregon

Last updated: 5:01 PM CDT · Refresh

12°C

Feels like 8°

Overcast

▲ 13° / ▼ 7°

Wind

8 mph SW

Humidity

80%

Dew Point

8°

Pressure

29,68 inHg

Visibility

10 mi

UV Index

2,3

Cloud Cover

92%

Sunrise

7:42 AM

Sunset

6:02 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Gresham is currently overcast at 11°C. Precipitation is likely — peak probability 62% around 3 PM. Sunrise: 7:42AM · Sunset: 6:02PM.

27 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

12°

61%

4 PM

13°

57%

5 PM

13°

46%

6 PM

12°

33%

7 PM

11°

35%

8 PM

10°

37%

9 PM

9°

39%

10 PM

9°

31%

11 PM

8°

22%

12 AM

8°

28%

1 AM

8°

23%

2 AM

8°

20%

3 AM

8°

44%

4 AM

8°

49%

5 AM

8°

46%

6 AM

7°

46%

7 AM

7°

49%

8 AM

7°

47%

9 AM

8°

49%

10 AM

9°

49%

11 AM

9°

42%

12 PM

10°

41%

1 PM

10°

30%

2 PM

12°

17%

7-Day Forecast

Today

13° 7°

Overcast with a 61% chance of rain.

Thu

12° 7°

Rain, 49% chance.

Fri

11° 6°

Partly Cloudy with a 38% chance of rain.

Sat

12° 2°

Partly Cloudy.

Sun

13° 3°

Clear.

Mon

14° 3°

Clear.

Tue

14° 4°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 12° Overcast 61% 8 mph SW 80%

4 PM 13° Thunderstorm 57% 8 mph W 79%

5 PM 13° Overcast 46% 7 mph SW 83%

6 PM 12° Overcast 33% 6 mph SW 86%

7 PM 11° Partly Cloudy 35% 5 mph SSW 87%

8 PM 10° Partly Cloudy 37% 4 mph SW 88%

9 PM 9° Mostly Cloudy 39% 5 mph S 89%

10 PM 9° Mostly Cloudy 31% 5 mph S 90%

11 PM 8° Partly Cloudy 22% 5 mph S 91%

12 AM 8° Mostly Cloudy 28% 4 mph S 92%

1 AM 8° Mostly Cloudy 23% 4 mph S 92%

2 AM 8° Mostly Cloudy 20% 3 mph SSE 92%

3 AM 8° Mostly Cloudy 44% 3 mph SSE 92%

4 AM 8° Overcast 49% 4 mph S 91%

5 AM 8° Overcast 46% 3 mph SE 92%

6 AM 7° Overcast 46% 3 mph SE 92%

7 AM 7° Rain 49% 3 mph SE 92%

8 AM 7° Rain 47% 3 mph SE 92%

9 AM 8° Rain 49% 3 mph SE 90%

10 AM 9° Overcast 49% 3 mph SE 87%

11 AM 9° Mostly Cloudy 42% 2 mph ESE 84%

12 PM 10° Mostly Cloudy 41% 2 mph SE 80%

1 PM 10° Mostly Cloudy 30% 2 mph SE 76%

2 PM 12° Partly Cloudy 17% 1 mph SSE 73%

15-Day Forecast

Today

10/28

Overcast

61%

7°

13°

Thu

10/29

Rain

49%

7°

12°

Fri

10/30

Partly Cloudy

38%

6°

11°

Sat

10/31

Partly Cloudy

17%

2°

12°

Sun

11/1

Clear

3°

13°

Mon

11/2

Clear

19%

3°

14°

Tue

11/3

Clear

19%

4°

14°

Wed

11/4

Clear

25%

4°

14°

Thu

11/5

Drizzle

60%

5°

13°

Fri

11/6

Drizzle

60%

4°

14°

Sat

11/7

Drizzle

60%

6°

14°

Sun

11/8

Drizzle

60%

8°

15°

Mon

11/9

Drizzle

60%

8°

14°

Tue

11/10

Drizzle

60%

8°

14°

Wed

11/11

Drizzle

60%

8°

13°

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

PM_2.5

Fine particulate matter

24 AQI 4.4 µg/m³

O₃

Ground-level ozone

Dominant

27 AQI 29 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Thu 27 Good 27 24

Fri 27 Good 25 27

Sat 28 Good 28 21

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 mer. oct. 28, 20:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE212 J/kg

MLCAPE152 J/kg

MUCAPE212 J/kg

SBCIN0 J/kg

MLCIN-0 J/kg

Lifted Index6.6

Kinematics

0–6 km Shear63 kt

0–1 km Shear13 kt

Eff. Shear16 kt

0–1 km SRH87

0–3 km SRH112

Eff. SRH112

Storm Motion299° @ 33 kt

0–1 km EHI0.1

Composite Parameters

Sig. Tornado0.1

STP (eff)0.0

Supercell0.0

K-Index18.3

Thermo & Levels

PWAT0.63 in

0–3 km LR7.4 °C/km

700–500 LR4.0 °C/km

Total Totals41.2

LCL954 hPa

LFC1005 hPa

EL619 hPa

Freezing Lvl4,583 ft

Gresham, Oregon

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