Portland, OR

4:20 AM PDT on October 22, 2019 (GMT -0700)
Portland International

Weather History for KPDX - May, 2019

Change the Weather History Date:

Monday, May 20, 2019

  Actual Average Record
Temperature  
Mean Temperature 59 °F 59 °F  
Max Temperature 63 °F 69 °F 91 °F (1963)
Min Temperature 54 °F 50 °F 37 °F (1975)
Degree Days  
Heating Degree Days 6 6  
Month to date heating degree days 77 163  
Since 1 July heating degree days 3846 4126  
Cooling Degree Days 0 1  
Month to date cooling degree days 18 1  
Year to date cooling degree days 18 2  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 68    
Maximum Humidity 83    
Minimum Humidity 53    
Precipitation  
Precipitation T in 0.08 in 0.68 in (1998)
Month to date precipitation 0.93 1.55  
Year to date precipitation 12.34 16.50  
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 8 mph (SSE)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events Rain    
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. 20, 2019 Rise Set
Actual Time 5:34 AM PDT 8:40 PM PDT
Civil Twilight 4:58 AM PDT 9:15 PM PDT
Nautical Twilight 4:13 AM PDT 10:01 PM PDT
Astronomical Twilight 3:18 AM PDT 10:57 PM PDT
Moon 10:48 PM PDT (5/20) 7:06 AM PDT (5/20)
Length of Visible Light 16h 16m
Length of Day
15h 05m
Waning Gibbous, 96% of the Moon is Illuminated
May 20
Waning Gibbous
May 26
Last Quarter
Jun 3
New
Jun 9
First Quarter
Jun 17
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 55.9 °F 48.0 °F 75% 29.81 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
1:53 AM 55.9 °F 48.0 °F 75% 29.81 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
2:53 AM 55.9 °F 46.9 °F 72% 29.82 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 55.9 °F 48.0 °F 75% 29.82 in 10.0 mi West 3.5 mph - N/A   Overcast
4:06 AM 55.9 °F 48.9 °F 77% 29.82 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 55.0 °F 48.9 °F 80% 29.82 in 10.0 mi South 6.9 mph - N/A   Overcast
5:53 AM 54.0 °F 48.0 °F 80% 29.82 in 10.0 mi SSW 8.1 mph - N/A   Overcast
6:53 AM 54.0 °F 46.9 °F 77% 29.83 in 10.0 mi South 4.6 mph - N/A   Overcast
7:53 AM 54.0 °F 46.9 °F 77% 29.84 in 10.0 mi South 6.9 mph - N/A   Overcast
8:18 AM 54.0 °F 46.9 °F 77% 29.84 in 10.0 mi South 9.2 mph - N/A   Overcast
8:53 AM 55.0 °F 46.9 °F 74% 29.84 in 10.0 mi South 9.2 mph - 0.00 in Rain Light Rain
9:53 AM 55.9 °F 46.0 °F 69% 29.84 in 10.0 mi South 9.2 mph - 0.00 in   Overcast
10:53 AM 55.9 °F 45.0 °F 67% 29.83 in 10.0 mi South 10.4 mph - N/A   Overcast
11:53 AM 57.9 °F 46.0 °F 65% 29.83 in 10.0 mi South 8.1 mph - N/A   Overcast
12:53 PM 57.9 °F 45.0 °F 62% 29.82 in 10.0 mi South 8.1 mph - N/A   Overcast
1:53 PM 59.0 °F 43.0 °F 55% 29.81 in 10.0 mi South 6.9 mph - N/A   Overcast
2:53 PM 57.9 °F 43.0 °F 58% 29.81 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
3:53 PM 57.9 °F 45.0 °F 62% 29.78 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
4:53 PM 62.1 °F 46.0 °F 56% 29.75 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
5:53 PM 61.0 °F 46.0 °F 58% 29.73 in 10.0 mi East 13.8 mph - N/A   Mostly Cloudy
6:53 PM 59.0 °F 45.0 °F 60% 29.70 in 10.0 mi East 13.8 mph - N/A   Mostly Cloudy
7:53 PM 59.0 °F 43.0 °F 55% 29.69 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
8:53 PM 55.9 °F 42.1 °F 60% 29.68 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
9:53 PM 57.0 °F 41.0 °F 55% 29.68 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 55.9 °F 43.0 °F 62% 29.71 in 10.0 mi WSW 9.2 mph - N/A   Overcast
11:53 PM 53.1 °F 46.9 °F 80% 29.71 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain