Portland, OR

2:27 PM PDT on October 20, 2019 (GMT -0700)
Portland International

Weather History for KPDX - September, 2019

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Wednesday, September 18, 2019

  Actual Average Record
Temperature  
Mean Temperature 62 °F 64 °F  
Max Temperature 68 °F 76 °F 93 °F (1991)
Min Temperature 55 °F 53 °F 36 °F (1965)
Degree Days  
Heating Degree Days 3 3  
Month to date heating degree days 13 29  
Since 1 July heating degree days 16 56  
Cooling Degree Days 0 2  
Month to date cooling degree days 68 46  
Year to date cooling degree days 562 409  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 73    
Maximum Humidity 87    
Minimum Humidity 58    
Precipitation  
Precipitation 0.30 in 0.05 in 0.97 in (2010)
Month to date precipitation 3.12 0.76  
Year to date precipitation 18.52 21.20  
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 9 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

Sep. 18, 2019 Rise Set
Actual Time 6:52 AM PDT 7:15 PM PDT
Civil Twilight 6:22 AM PDT 7:45 PM PDT
Nautical Twilight 5:47 AM PDT 8:20 PM PDT
Astronomical Twilight 5:11 AM PDT 8:56 PM PDT
Moon 9:40 PM PDT (9/18) 11:12 AM PDT (9/18)
Length of Visible Light 13h 22m
Length of Day
12h 23m
Waning Gibbous, 82% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
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 59.0 °F 55.9 °F 90% 29.78 in 4.0 mi WSW 4.6 mph - 0.06 in Rain Rain
1:19 AM 59.0 °F 55.9 °F 90% 29.78 in 7.0 mi South 3.5 mph - 0.05 in Rain Light Rain
1:53 AM 59.0 °F 55.9 °F 90% 29.78 in 10.0 mi South 5.8 mph - 0.07 in   Overcast
2:03 AM 59.0 °F 55.0 °F 87% 29.78 in 10.0 mi South 8.1 mph - N/A   Overcast
2:18 AM 59.0 °F 55.0 °F 87% 29.79 in 10.0 mi SW 5.8 mph - N/A   Overcast
2:53 AM 59.0 °F 55.0 °F 87% 29.78 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
3:53 AM 59.0 °F 55.0 °F 87% 29.78 in 10.0 mi East 3.5 mph - 0.03 in   Overcast
4:05 AM 59.0 °F 55.9 °F 90% 29.78 in 7.0 mi SW 3.5 mph - 0.00 in Rain Light Rain
4:14 AM 57.0 °F 53.1 °F 87% 29.79 in 6.0 mi WSW 9.2 mph - 0.02 in Rain Light Rain
4:34 AM 55.9 °F 53.1 °F 90% 29.79 in 6.0 mi Calm Calm - 0.08 in Rain Light Rain
4:53 AM 55.9 °F 52.0 °F 87% 29.77 in 10.0 mi East 4.6 mph - 0.10 in   Overcast
5:53 AM 55.0 °F 51.1 °F 86% 29.79 in 10.0 mi Variable 3.5 mph - N/A   Overcast
6:53 AM 55.9 °F 52.0 °F 87% 29.81 in 10.0 mi SE 9.2 mph - N/A   Overcast
7:22 AM 57.0 °F 53.1 °F 87% 29.82 in 10.0 mi ESE 9.2 mph - N/A   Overcast
7:53 AM 55.9 °F 52.0 °F 87% 29.83 in 6.0 mi SE 10.4 mph - 0.00 in Rain Rain
8:53 AM 57.0 °F 53.1 °F 87% 29.84 in 10.0 mi East 4.6 mph - 0.05 in   Overcast
9:53 AM 59.0 °F 54.0 °F 83% 29.85 in 10.0 mi ESE 5.8 mph - N/A   Overcast
10:37 AM 60.1 °F 55.0 °F 83% 29.86 in 8.0 mi East 6.9 mph - 0.00 in   Light Drizzle
10:53 AM 59.0 °F 55.0 °F 87% 29.86 in 7.0 mi SE 5.8 mph - 0.01 in Rain Light Rain
11:53 AM 57.9 °F 55.0 °F 90% 29.87 in 5.0 mi SSE 4.6 mph - 0.01 in Rain Light Rain
12:45 PM 61.0 °F 55.9 °F 83% 29.87 in 7.0 mi Calm Calm - 0.05 in Rain Light Rain
12:53 PM 60.1 °F 55.0 °F 83% 29.87 in 10.0 mi North 3.5 mph - 0.05 in   Mostly Cloudy
1:17 PM 60.1 °F 55.0 °F 83% 29.88 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
1:53 PM 63.0 °F 55.9 °F 78% 29.87 in 10.0 mi Variable 3.5 mph - 0.00 in   Mostly Cloudy
2:53 PM 66.0 °F 55.0 °F 68% 29.87 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 PM 66.9 °F 52.0 °F 59% 29.88 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
4:53 PM 66.9 °F 52.0 °F 59% 29.88 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
5:53 PM 66.0 °F 52.0 °F 60% 29.90 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
6:53 PM 64.0 °F 55.0 °F 73% 29.92 in 10.0 mi WNW 3.5 mph - 0.00 in   Mostly Cloudy
7:53 PM 61.0 °F 55.0 °F 81% 29.93 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
8:53 PM 59.0 °F 55.0 °F 87% 29.95 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
9:53 PM 57.0 °F 54.0 °F 89% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 PM 57.0 °F 53.1 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 PM 55.0 °F 52.0 °F 89% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy