Old Town-Chinatown, Portland, OR Weather

Portland weather forecast

  • Temperature:65°F
  • Humidity:65%
  • Pressure:29.97inHg
  • Wind speed:7mph
  • Direction:
  • Gusts:n/a

Update from Portland, Portland International Airport, OR on 31 Aug 11:53 PM EDT

Forecasted weather

Overnight

Mostly Cloudy

59°F

Tuesday

Chance Rain

71°F 50% POP

Tuesday Night

Showers Likely

56°F 60% POP

Wednesday

Showers Likely

69°F 60% POP

Wednesday Night

Slight Chance Showers then Mostly Cloudy

51°F 20% POP

Thursday

Slight Chance Showers

68°F 20% POP

Thursday Night

Chance Showers

51°F 30% POP

Friday

Chance Showers

69°F

Friday Night

Chance Showers then Partly Cloudy

52°F

Saturday

Mostly Sunny

73°F

Saturday Night

Partly Cloudy

52°F

Sunday

Mostly Sunny

78°F

Sunday Night

Partly Cloudy

53°F

Labor Day

Mostly Sunny

78°F

Old Town-Chinatown, Portland average temperature

MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January19°F66°F41°F5.1"
February22°F65°F43°F2.0"
March28°F75°F47°F3.5"
April31°F83°F51°F2.6"
May37°F95°F59°F2.9"
June46°F102°F63°F1.4"
July51°F106°F70°F0.4"
August48°F102°F68°F0.6"
September41°F95°F64°F1.1"
October30°F78°F54°F2.6"
November27°F67°F47°F6.1"
December12°F63°F39°F5.2"
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.

The highest average temperature in Portland is July at 69.8 degrees. The coldest average temperature in Portland is December at 38.8 degrees. The most monthly precipitation in Portland occurs in November with 6.1 inches. The Portland weather information is based on the average of the previous 3-7 years of data.

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Old Town-Chinatown, Portland air quality index & pollution index

IndexOld Town-ChinatownPortlandOregon
Air quality index383832
Pollution index1,899,4101,899,4105,393,915
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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The Portland, OR air quality index is a median value which considers the most hazardous air pollutants. The Portland, OR air quality index is 18.1% greater than the Oregon average and 23.6% less than the national average.

The Portland, OR pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Portland, OR pollution index is 64.8% less than the Oregon average and 62.6% less than the national average.

Air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups12
Days with unhealthy air quality4

Air pollution information

PollutantTotal
Arsenic0.003%
Benzene0.020%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.002%

Average monthly Old Town-Chinatown, Portland temperature with heat index

Old Town-Chinatown, Portland monthly precipitation with daily maximum

Old Town-Chinatown, Portland monthly snow depth with daily maximum

Old Town-Chinatown, Portland monthly wind speed information

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Neighborhoods in & around Portland, OR

NeighborhoodScoreMiles
Alameda, Portland832.4
Eastmoreland, Portland824.3
West Slope, Beaverton824.5
Hillsdale, Portland813.1
Corbett-Terwilliger-Lair Hill, Portland812.7
Homestead, Portland812
Bridlemile, Portland813.5
Irvington, Portland811.7
NeighborhoodScoreMiles
Sexton Mountain, Beaverton819.4
Southwest Hills, Portland812.3
South Cliff, Vancouver817.4
Neighbors Southwest, Beaverton809.8
Raleigh West, Beaverton806
Far Southwest, Portland805.3
Five Oaks, Beaverton808.2
South Beaverton, Beaverton808.6
See all Portland neighborhoods

Cities near Portland, OR

CityScoreMiles
West Linn, OR8411.4
Rivergrove, OR8410.1
Durham, OR839.9
Lake Oswego, OR827.2
West Haven-Sylvan, OR824.7
Cedar Mill, OR826.4
Raleigh Hills, OR825.3
Sherwood, OR8214.2
CityScoreMiles
Maywood Park, OR825.8
Bethany, OR818.2
Bull Mountain, OR8110.1
West Slope, OR815.3
Rockcreek, OR8110
Oak Hills, OR808.2
Camas, WA8013.9
Felida, WA8012.9
See all Oregon cities