Seattle, WA

8:02 AM PDT on October 23, 2019 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - May, 2019

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Thursday, May 16, 2019

  Actual Average Record
Temperature  
Mean Temperature 59 °F 56 °F  
Max Temperature 64 °F 65 °F 84 °F (1985)
Min Temperature 53 °F 47 °F 40 °F (2003)
Degree Days  
Heating Degree Days 6 9  
Month to date heating degree days 83 168  
Since 1 July heating degree days 3943 4436  
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 53 °F    
Average Humidity 86    
Maximum Humidity 93    
Minimum Humidity 78    
Precipitation  
Precipitation 0.13 in 0.06 in 0.64 in (1988)
Month to date precipitation 0.31 1.01  
Year to date precipitation 13.66 16.51  
Sea Level Pressure  
Sea Level Pressure 29.59 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 6 miles    
Events Fog , 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. 16, 2019 Rise Set
Actual Time 5:31 AM PDT 8:40 PM PDT
Civil Twilight 4:54 AM PDT 9:17 PM PDT
Nautical Twilight 4:07 AM PDT 10:05 PM PDT
Astronomical Twilight 3:08 AM PDT 11:05 PM PDT
Moon 6:12 PM PDT (5/16) 4:49 AM PDT (5/16)
Length of Visible Light 16h 22m
Length of Day
15h 09m
Waxing Gibbous, 95% of the Moon is Illuminated
May 16
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 57.0 °F 51.1 °F 81% 29.62 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
1:53 AM 53.1 °F 50.0 °F 89% 29.60 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:53 AM 54.0 °F 51.1 °F 90% 29.59 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:45 AM 54.0 °F 51.1 °F 90% 29.55 in 8.0 mi East 4.6 mph - N/A   Scattered Clouds
3:53 AM 54.0 °F 51.1 °F 90% 29.57 in 2.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
4:02 AM 54.0 °F 51.1 °F 90% 29.55 in 0.5 mi NE 8.1 mph - N/A Fog Fog
4:16 AM 54.0 °F 52.0 °F 93% 29.55 in 0.5 mi ENE 4.6 mph - N/A Fog Fog
4:53 AM 53.1 °F 51.1 °F 93% 29.56 in 0.2 mi NW 4.6 mph - N/A Fog Fog
5:16 AM 54.0 °F 53.1 °F 97% 29.54 in 0.5 mi North 5.8 mph - N/A Fog Fog
5:53 AM 54.0 °F 52.0 °F 93% 29.56 in 0.5 mi North 8.1 mph - N/A Fog Fog
6:02 AM 54.0 °F 53.1 °F 97% 29.53 in 0.5 mi North 8.1 mph - N/A Fog Fog
6:53 AM 55.0 °F 53.1 °F 93% 29.56 in 0.5 mi North 6.9 mph - N/A   Overcast
7:53 AM 55.0 °F 53.1 °F 93% 29.55 in 0.5 mi North 4.6 mph - N/A   Overcast
8:17 AM 55.9 °F 52.0 °F 87% 29.54 in 1.5 mi NW 3.5 mph - N/A   Overcast
8:53 AM 55.9 °F 53.1 °F 90% 29.56 in 2.0 mi West 3.5 mph - N/A   Overcast
9:53 AM 55.9 °F 52.0 °F 87% 29.58 in 2.0 mi Calm Calm - 0.00 in Rain Light Rain
10:53 AM 57.0 °F 53.1 °F 87% 29.59 in 5.0 mi SE 6.9 mph - 0.00 in   Overcast
11:43 AM 59.0 °F 54.0 °F 83% 29.58 in 6.0 mi Calm Calm - 0.00 in   Haze
11:53 AM 59.0 °F 54.0 °F 83% 29.60 in 6.0 mi Calm Calm - 0.00 in   Haze
12:32 PM 60.1 °F 54.0 °F 80% 29.58 in 6.0 mi SE 6.9 mph - 0.01 in   Haze
12:53 PM 60.1 °F 54.0 °F 80% 29.59 in 7.0 mi SE 4.6 mph - 0.01 in   Overcast
1:48 PM 60.8 °F 53.6 °F 77% 29.58 in 6.0 mi SSE 5.8 mph - 0.01 in Rain Light Rain
1:53 PM 60.1 °F 54.0 °F 80% 29.60 in 6.0 mi South 5.8 mph - 0.01 in   Haze
2:44 PM 60.1 °F 55.0 °F 83% 29.58 in 5.0 mi South 4.6 mph - 0.01 in Rain Light Rain
2:53 PM 59.0 °F 55.0 °F 87% 29.60 in 6.0 mi South 5.8 mph - 0.02 in Rain Light Rain
3:53 PM 61.0 °F 55.9 °F 83% 29.60 in 7.0 mi SSW 5.8 mph - 0.00 in Rain Light Rain
4:53 PM 63.0 °F 55.0 °F 75% 29.60 in 10.0 mi SSW 9.2 mph - 0.00 in   Overcast
5:53 PM 62.1 °F 55.0 °F 78% 29.60 in 10.0 mi SW 9.2 mph - N/A   Overcast
6:53 PM 61.0 °F 55.0 °F 81% 29.61 in 10.0 mi SW 8.1 mph - N/A   Overcast
7:53 PM 60.1 °F 53.1 °F 78% 29.62 in 10.0 mi SSW 10.4 mph - N/A   Overcast
8:13 PM 59.0 °F 53.1 °F 81% 29.61 in 10.0 mi SW 13.8 mph - N/A   Overcast
8:53 PM 57.9 °F 51.1 °F 78% 29.64 in 10.0 mi SW 11.5 mph - N/A   Overcast
9:09 PM 57.0 °F 51.1 °F 81% 29.63 in 10.0 mi SW 11.5 mph - N/A   Overcast
9:53 PM 55.9 °F 51.1 °F 84% 29.66 in 10.0 mi SSW 12.7 mph - 0.00 in   Light Drizzle
10:53 PM 55.0 °F 51.1 °F 86% 29.68 in 9.0 mi SSW 12.7 mph - 0.01 in Rain Light Rain
11:53 PM 54.0 °F 51.1 °F 90% 29.68 in 9.0 mi SSW 13.8 mph - 0.05 in Rain Light Rain