Portland, OR

2:10 PM PDT on October 20, 2019 (GMT -0700)
Portland International

Weather History for KPDX - May, 2019

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Friday, May 31, 2019

  Actual Average Record
Temperature  
Mean Temperature 70 °F 61 °F  
Max Temperature 82 °F 71 °F 93 °F (2001)
Min Temperature 57 °F 52 °F 39 °F (1966)
Degree Days  
Heating Degree Days 0 5  
Month to date heating degree days 109 223  
Since 1 July heating degree days 3878 4187  
Cooling Degree Days 5 1  
Month to date cooling degree days 28 16  
Year to date cooling degree days 28 17  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 59    
Maximum Humidity 80    
Minimum Humidity 37    
Precipitation  
Precipitation T in 0.08 in 1.45 in (1997)
Month to date precipitation 1.51 2.47  
Year to date precipitation 12.92 17.42  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 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

May. 31, 2019 Rise Set
Actual Time 5:25 AM PDT 8:51 PM PDT
Civil Twilight 4:48 AM PDT 9:28 PM PDT
Nautical Twilight 4:00 AM PDT 10:16 PM PDT
Astronomical Twilight 2:58 AM PDT 11:19 PM PDT
Moon 4:14 AM PDT (5/31) 5:55 PM PDT (5/31)
Length of Visible Light 16h 39m
Length of Day
15h 25m
Waning Crescent, 8% of the Moon is Illuminated
May 31
Waning Crescent
Jun 3
New
Jun 9
First Quarter
Jun 17
Full
Jun 25
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 60.1 °F - 52.0 °F 75% 30.04 in 10.0 mi NNW 4.6 mph - N/A   Clear
1:53 AM 57.9 °F - 52.0 °F 81% 30.04 in 10.0 mi NW 5.8 mph - N/A   Clear
2:53 AM 57.0 °F - 51.1 °F 81% 30.05 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
3:00 AM 57.0 °F - 52.0 °F 83% 30.05 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
3:53 AM 57.0 °F - 52.0 °F 83% 30.06 in 10.0 mi NNW 5.8 mph - N/A   Overcast
4:53 AM 57.0 °F - 51.1 °F 81% 30.06 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
5:53 AM 57.0 °F - 52.0 °F 83% 30.07 in 10.0 mi NNW 5.8 mph - N/A   Overcast
6:53 AM 57.0 °F - 51.1 °F 81% 30.08 in 10.0 mi NNW 4.6 mph - N/A   Overcast
7:53 AM 57.9 °F - 51.1 °F 78% 30.09 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:53 AM 57.9 °F - 52.0 °F 81% 30.10 in 10.0 mi NNW 4.6 mph - 0.00 in   Overcast
9:53 AM 59.0 °F - 52.0 °F 78% 30.10 in 10.0 mi NNW 4.6 mph - N/A   Overcast
10:16 AM 60.1 °F - 52.0 °F 75% 30.10 in 10.0 mi North 4.6 mph - N/A   Overcast
10:53 AM 61.0 °F - 52.0 °F 72% 30.09 in 10.0 mi NNE 3.5 mph - N/A   Overcast
11:53 AM 64.0 °F - 53.1 °F 67% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:04 PM 64.9 °F - 54.0 °F 68% 30.08 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
12:53 PM 69.1 °F - 55.0 °F 61% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:53 PM 73.9 °F - 55.0 °F 52% 30.03 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
2:53 PM 79.0 °F - 55.0 °F 44% 30.00 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
3:53 PM 80.1 °F 79.9 °F 53.1 °F 39% 29.97 in 10.0 mi North 10.4 mph - N/A   Scattered Clouds
4:53 PM 82.0 °F 81.2 °F 53.1 °F 37% 29.96 in 10.0 mi NNW 9.2 mph 18.4 mph N/A   Scattered Clouds
5:53 PM 81.0 °F 80.5 °F 54.0 °F 39% 29.94 in 10.0 mi North 12.7 mph 18.4 mph N/A   Scattered Clouds
6:53 PM 79.0 °F - 57.0 °F 47% 29.94 in 10.0 mi NW 12.7 mph 20.7 mph N/A   Scattered Clouds
7:53 PM 75.9 °F - 55.9 °F 50% 29.95 in 10.0 mi NNW 9.2 mph 17.3 mph N/A   Partly Cloudy
8:53 PM 72.0 °F - 52.0 °F 49% 29.96 in 10.0 mi NW 13.8 mph 18.4 mph N/A   Partly Cloudy
9:53 PM 69.1 °F - 50.0 °F 51% 29.99 in 10.0 mi NNW 6.9 mph - N/A   Partly Cloudy
10:53 PM 64.9 °F - 50.0 °F 58% 30.00 in 10.0 mi NW 6.9 mph - N/A   Clear
11:53 PM 62.1 °F - 50.0 °F 65% 30.01 in 10.0 mi WNW 6.9 mph - N/A   Clear