Seattle, WA

2:01 AM PDT on July 21, 2019 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - May, 2019

Change the Weather History Date:

Friday, May 17, 2019

  Actual Average Record
Temperature  
Mean Temperature 58 °F 56 °F  
Max Temperature 64 °F 65 °F 90 °F (2008)
Min Temperature 52 °F 48 °F 39 °F (1966)
Degree Days  
Heating Degree Days 7 9  
Month to date heating degree days 90 177  
Since 1 July heating degree days 3950 4445  
Cooling Degree Days 0 0  
Month to date cooling degree days 14 0  
Year to date cooling degree days 20 0  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 70    
Maximum Humidity 93    
Minimum Humidity 46    
Precipitation  
Precipitation 0.05 in 0.06 in 0.72 in (1989)
Month to date precipitation 0.36 1.07  
Year to date precipitation 13.71 16.57  
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 13 mph (SSW)    
Max Wind Speed 23 mph    
Max Gust Speed 32 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

Search for Another Location

Airport or City:

Astronomy

May. 17, 2019 Rise Set
Actual Time 5:30 AM PDT 8:41 PM PDT
Civil Twilight 4:53 AM PDT 9:18 PM PDT
Nautical Twilight 4:05 AM PDT 10:07 PM PDT
Astronomical Twilight 3:05 AM PDT 11:07 PM PDT
Moon 7:27 PM PDT (5/17) 5:16 AM PDT (5/17)
Length of Visible Light 16h 25m
Length of Day
15h 11m
Waxing Gibbous, 99% of the Moon is Illuminated
May 17
Waxing Gibbous
May 18
Full
May 26
Last Quarter
Jun 3
New
Jun 9
First 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 54.0 °F 51.1 °F 90% 29.69 in 9.0 mi SW 11.5 mph - 0.03 in Rain Light Rain
1:53 AM 54.0 °F 50.0 °F 86% 29.70 in 10.0 mi SSW 17.3 mph - 0.00 in   Overcast
2:00 AM 54.0 °F 50.0 °F 86% 29.68 in 10.0 mi SW 13.8 mph - N/A   Overcast
2:53 AM 54.0 °F 48.9 °F 83% 29.72 in 10.0 mi SW 13.8 mph - 0.01 in Rain Light Rain
3:53 AM 53.1 °F 48.0 °F 83% 29.73 in 10.0 mi SSW 13.8 mph - 0.01 in   Overcast
4:04 AM 53.1 °F 48.0 °F 83% 29.71 in 10.0 mi SSW 17.3 mph 23.0 mph 0.00 in Rain Light Rain
4:53 AM 52.0 °F 46.9 °F 83% 29.74 in 10.0 mi SW 13.8 mph - 0.01 in Rain Light Rain
5:53 AM 52.0 °F 46.9 °F 83% 29.77 in 7.0 mi SSW 17.3 mph 25.3 mph 0.01 in Rain Light Rain
6:53 AM 52.0 °F 46.9 °F 83% 29.79 in 10.0 mi SSW 16.1 mph 25.3 mph 0.00 in   Mostly Cloudy
7:53 AM 52.0 °F 46.0 °F 80% 29.82 in 10.0 mi SSW 19.6 mph - N/A   Mostly Cloudy
8:53 AM 53.1 °F 45.0 °F 74% 29.86 in 10.0 mi SSW 15.0 mph 26.5 mph N/A   Mostly Cloudy
9:53 AM 55.0 °F 45.0 °F 69% 29.88 in 10.0 mi SSW 16.1 mph 29.9 mph N/A   Mostly Cloudy
10:53 AM 57.0 °F 45.0 °F 64% 29.91 in 10.0 mi SSW 18.4 mph 24.2 mph N/A   Mostly Cloudy
11:53 AM 55.0 °F 44.1 °F 67% 29.93 in 10.0 mi SSW 15.0 mph 24.2 mph N/A   Mostly Cloudy
12:53 PM 59.0 °F 45.0 °F 60% 29.94 in 10.0 mi SSW 15.0 mph 21.9 mph N/A   Mostly Cloudy
1:53 PM 63.0 °F 42.1 °F 46% 29.94 in 10.0 mi South 15.0 mph - N/A   Mostly Cloudy
2:53 PM 62.1 °F 42.1 °F 48% 29.95 in 10.0 mi SSW 12.7 mph 21.9 mph N/A   Scattered Clouds
3:53 PM 61.0 °F 41.0 °F 48% 29.95 in 10.0 mi SSW 15.0 mph - N/A   Scattered Clouds
4:53 PM 61.0 °F 41.0 °F 48% 29.96 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
5:53 PM 61.0 °F 41.0 °F 48% 29.96 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
6:53 PM 60.1 °F 39.9 °F 47% 29.97 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
7:53 PM 57.9 °F 41.0 °F 53% 29.98 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
8:53 PM 55.9 °F 45.0 °F 67% 29.98 in 9.0 mi SW 5.8 mph - 0.00 in Rain Light Rain
9:53 PM 55.9 °F 45.0 °F 67% 29.99 in 10.0 mi SSW 5.8 mph - 0.01 in   Overcast
10:53 PM 54.0 °F 46.0 °F 75% 29.98 in 10.0 mi South 4.6 mph - N/A   Overcast
11:53 PM 53.1 °F 46.0 °F 77% 29.97 in 10.0 mi SSE 4.6 mph - N/A   Overcast