Seattle, WA

10:31 AM PST on November 21, 2019 (GMT -0800)
Seattle-Tacoma International

Weather History for KSEA - May, 2019

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Wednesday, May 8, 2019

  Actual Average Record
Temperature  
Mean Temperature 63 °F 54 °F  
Max Temperature 75 °F 63 °F 84 °F (1969)
Min Temperature 50 °F 46 °F 36 °F (1999)
Degree Days  
Heating Degree Days 2 11  
Month to date heating degree days 52 91  
Since 1 July heating degree days 3912 4359  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 6 0  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.06 in 0.54 in (2014)
Month to date precipitation 0.00 0.52  
Year to date precipitation 13.35 16.02  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 8 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. 08, 2019 Rise Set
Actual Time 5:41 AM PDT 8:30 PM PDT
Civil Twilight 5:06 AM PDT 9:05 PM PDT
Nautical Twilight 4:21 AM PDT 9:51 PM PDT
Astronomical Twilight 3:28 AM PDT 10:45 PM PDT
Moon 8:37 AM PDT (5/8) No Moon Set
Length of Visible Light 15h 59m
Length of Day
14h 48m
Waxing Crescent, 16% of the Moon is Illuminated
May 8
Waxing Crescent
May 11
First Quarter
May 18
Full
May 26
Last Quarter
Jun 3
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 60.1 °F 43.0 °F 53% 30.17 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 AM 57.0 °F 45.0 °F 64% 30.17 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:53 AM 54.0 °F 46.0 °F 75% 30.19 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
3:53 AM 53.1 °F 46.9 °F 80% 30.20 in 10.0 mi South 3.5 mph - N/A   Clear
4:53 AM 50.0 °F 48.0 °F 93% 30.21 in 9.0 mi South 5.8 mph - N/A   Scattered Clouds
5:36 AM 50.0 °F 48.0 °F 93% 30.19 in 7.0 mi SW 6.9 mph - N/A   Scattered Clouds
5:53 AM 51.1 °F 48.0 °F 89% 30.21 in 6.0 mi SSW 3.5 mph - N/A   Scattered Clouds
6:49 AM 51.8 °F 48.2 °F 88% 30.20 in 6.0 mi South 6.9 mph - N/A   Mostly Cloudy
6:53 AM 51.1 °F 48.0 °F 89% 30.22 in 5.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
7:53 AM 51.1 °F 48.0 °F 89% 30.23 in 1.5 mi SSW 6.9 mph - N/A   Overcast
8:48 AM 51.8 °F 48.2 °F 88% 30.22 in 2.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
8:53 AM 52.0 °F 48.9 °F 89% 30.24 in 2.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
9:16 AM 53.1 °F 48.0 °F 83% 30.22 in 4.0 mi WSW 5.8 mph - N/A   Haze
9:36 AM 53.1 °F 48.0 °F 83% 30.21 in 4.0 mi SW 5.8 mph - N/A   Haze
9:53 AM 54.0 °F 48.9 °F 83% 30.23 in 6.0 mi WSW 4.6 mph - N/A   Haze
10:53 AM 61.0 °F 48.9 °F 64% 30.23 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
11:53 AM 64.0 °F 50.0 °F 60% 30.22 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
12:53 PM 69.1 °F 46.9 °F 45% 30.20 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
1:53 PM 69.1 °F 48.0 °F 47% 30.17 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
2:53 PM 72.0 °F 48.0 °F 43% 30.16 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
3:53 PM 73.9 °F 45.0 °F 35% 30.13 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
4:53 PM 73.9 °F 45.0 °F 35% 30.12 in 10.0 mi NNW 12.7 mph - N/A   Partly Cloudy
5:53 PM 73.0 °F 44.1 °F 35% 30.10 in 10.0 mi North 15.0 mph - N/A   Scattered Clouds
6:53 PM 72.0 °F 44.1 °F 37% 30.09 in 10.0 mi NNW 12.7 mph - N/A   Scattered Clouds
7:53 PM 70.0 °F 44.1 °F 39% 30.09 in 10.0 mi North 11.5 mph - N/A   Scattered Clouds
8:53 PM 64.9 °F 46.9 °F 52% 30.10 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
9:53 PM 64.0 °F 48.0 °F 56% 30.11 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
10:53 PM 64.0 °F 46.9 °F 54% 30.11 in 10.0 mi NNE 8.1 mph - N/A   Partly Cloudy
11:53 PM 62.1 °F 46.0 °F 56% 30.11 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy