Portland, OR

12:33 AM PDT on September 23, 2019 (GMT -0700)
Portland International

Weather History for KPDX - August, 2019

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Sunday, August 25, 2019

  Actual Average Record
Temperature  
Mean Temperature 69 °F 69 °F  
Max Temperature 79 °F 80 °F 95 °F (2016)
Min Temperature 59 °F 57 °F 47 °F (1957)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 49 108  
Since 1 July heating degree days 3 17  
Cooling Degree Days 4 4  
Month to date cooling degree days 157 130  
Year to date cooling degree days 435 341  
Since 1 June cooling degree days 407 324  
Growing Degree Days 19 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 59    
Maximum Humidity 78    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.03 in 1.47 in (1977)
Month to date precipitation 1.16 0.49  
Year to date precipitation 15.33 20.26  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 25, 2019 Rise Set
Actual Time 6:22 AM PDT 8:01 PM PDT
Civil Twilight 5:51 AM PDT 8:32 PM PDT
Nautical Twilight 5:13 AM PDT 9:10 PM PDT
Astronomical Twilight 4:32 AM PDT 9:51 PM PDT
Moon 12:52 AM PDT (8/25) 4:38 PM PDT (8/25)
Length of Visible Light 14h 40m
Length of Day
13h 38m
Waning Crescent, 28% of the Moon is Illuminated
Aug 25
Waning Crescent
Aug 30
New
Sep 5
First Quarter
Sep 13
Full
Sep 21
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 64.9 °F 54.0 °F 68% 30.05 in 10.0 mi NW 11.5 mph - N/A   Overcast
1:53 AM 64.0 °F 54.0 °F 70% 30.07 in 10.0 mi NW 11.5 mph - N/A   Overcast
2:53 AM 63.0 °F 54.0 °F 72% 30.08 in 10.0 mi NNW 4.6 mph - N/A   Overcast
3:53 AM 62.1 °F 54.0 °F 75% 30.09 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
4:53 AM 60.1 °F 53.1 °F 78% 30.10 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
5:53 AM 60.1 °F 52.0 °F 75% 30.12 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
6:53 AM 59.0 °F 51.1 °F 75% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:40 AM 61.0 °F 51.1 °F 70% 30.17 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
7:53 AM 61.0 °F 52.0 °F 72% 30.17 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
8:26 AM 62.1 °F 51.1 °F 67% 30.18 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
8:53 AM 63.0 °F 51.1 °F 65% 30.18 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
9:53 AM 64.9 °F 51.1 °F 61% 30.18 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
10:53 AM 68.0 °F 51.1 °F 55% 30.19 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
11:53 AM 70.0 °F 51.1 °F 51% 30.18 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
12:53 PM 73.0 °F 51.1 °F 46% 30.18 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
1:53 PM 75.0 °F 50.0 °F 41% 30.17 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
2:53 PM 77.0 °F 51.1 °F 40% 30.17 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
3:53 PM 78.1 °F 51.1 °F 39% 30.15 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
4:53 PM 78.1 °F 51.1 °F 39% 30.14 in 10.0 mi NNW 11.5 mph 18.4 mph N/A   Partly Cloudy
5:53 PM 78.1 °F 51.1 °F 39% 30.13 in 10.0 mi NW 10.4 mph 18.4 mph N/A   Clear
6:53 PM 75.9 °F 53.1 °F 45% 30.13 in 10.0 mi NNW 5.8 mph - N/A   Clear
7:53 PM 73.0 °F 54.0 °F 51% 30.14 in 10.0 mi NW 12.7 mph - N/A   Clear
8:53 PM 71.1 °F 53.1 °F 53% 30.15 in 10.0 mi NNW 8.1 mph - N/A   Clear
9:53 PM 68.0 °F 52.0 °F 56% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Clear
10:53 PM 66.0 °F 52.0 °F 60% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Clear
11:53 PM 64.0 °F 52.0 °F 65% 30.17 in 10.0 mi NNW 9.2 mph - N/A   Clear