Seattle, WA

1:11 PM PST on November 12, 2019 (GMT -0800)
Seattle-Tacoma International

Weather History for KSEA - May, 2019

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Wednesday, May 15, 2019

  Actual Average Record
Temperature  
Mean Temperature 62 °F 56 °F  
Max Temperature 71 °F 65 °F 85 °F (2007)
Min Temperature 52 °F 47 °F 38 °F (1964)
Degree Days  
Heating Degree Days 3 9  
Month to date heating degree days 77 159  
Since 1 July heating degree days 3937 4427  
Cooling Degree Days 0 0  
Month to date cooling degree days 14 0  
Year to date cooling degree days 20 0  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 70    
Maximum Humidity 89    
Minimum Humidity 51    
Precipitation  
Precipitation 0.02 in 0.06 in 0.81 in (2011)
Month to date precipitation 0.18 0.95  
Year to date precipitation 13.53 16.45  
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed 19 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. 15, 2019 Rise Set
Actual Time 5:32 AM PDT 8:39 PM PDT
Civil Twilight 4:56 AM PDT 9:16 PM PDT
Nautical Twilight 4:08 AM PDT 10:03 PM PDT
Astronomical Twilight 3:10 AM PDT 11:02 PM PDT
Moon 4:56 PM PDT (5/15) 4:23 AM PDT (5/15)
Length of Visible Light 16h 20m
Length of Day
15h 06m
Waxing Gibbous, 88% of the Moon is Illuminated
May 15
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 53.1 °F 48.0 °F 83% 30.03 in 10.0 mi SSE 3.5 mph - 0.00 in Rain Light Rain
1:53 AM 52.0 °F 48.9 °F 89% 30.02 in 10.0 mi South 3.5 mph - 0.00 in   Overcast
2:53 AM 53.1 °F 48.0 °F 83% 30.01 in 10.0 mi WSW 3.5 mph - N/A   Overcast
3:04 AM 53.1 °F 48.0 °F 83% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
3:51 AM 51.8 °F 48.2 °F 88% 29.97 in 7.0 mi Calm Calm - 0.01 in Rain Light Rain
3:53 AM 52.0 °F 48.9 °F 89% 29.99 in 7.0 mi Calm Calm - 0.01 in Rain Light Rain
4:25 AM 53.1 °F 48.9 °F 86% 29.96 in 10.0 mi ENE 5.8 mph - 0.00 in   Overcast
4:53 AM 53.1 °F 50.0 °F 89% 29.96 in 10.0 mi NNE 4.6 mph - 0.00 in   Overcast
5:40 AM 52.0 °F 48.9 °F 89% 29.90 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
5:53 AM 52.0 °F 48.0 °F 86% 29.91 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
6:53 AM 53.1 °F 48.9 °F 86% 29.90 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
7:24 AM 52.0 °F 48.9 °F 89% 29.88 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
7:53 AM 54.0 °F 48.9 °F 83% 29.88 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
7:56 AM 54.0 °F 48.9 °F 83% 29.86 in 10.0 mi NNW 12.7 mph - N/A   Mostly Cloudy
8:53 AM 57.0 °F 48.9 °F 74% 29.86 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
9:53 AM 59.0 °F 48.9 °F 69% 29.84 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
10:53 AM 61.0 °F 48.0 °F 62% 29.80 in 10.0 mi North 13.8 mph - N/A   Mostly Cloudy
11:53 AM 64.0 °F 48.9 °F 58% 29.77 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
12:53 PM 66.0 °F 50.0 °F 56% 29.74 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
1:53 PM 70.0 °F 50.0 °F 49% 29.71 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
2:53 PM 66.0 °F 48.9 °F 54% 29.69 in 10.0 mi WNW 9.2 mph - N/A   Overcast
3:53 PM 64.9 °F 48.0 °F 54% 29.66 in 10.0 mi WNW 8.1 mph - N/A   Overcast
4:53 PM 62.1 °F 50.0 °F 65% 29.67 in 10.0 mi WNW 5.8 mph - 0.00 in Rain Light Rain
5:53 PM 59.0 °F 51.1 °F 75% 29.67 in 10.0 mi WNW 5.8 mph - 0.00 in Rain Light Rain
6:53 PM 60.1 °F 52.0 °F 75% 29.66 in 10.0 mi WNW 5.8 mph - 0.00 in Rain Light Rain
7:53 PM 59.0 °F 52.0 °F 78% 29.65 in 10.0 mi North 6.9 mph - 0.00 in Rain Light Rain
8:53 PM 57.9 °F 53.1 °F 84% 29.65 in 10.0 mi North 8.1 mph - 0.01 in   Overcast
9:53 PM 57.9 °F 52.0 °F 81% 29.65 in 10.0 mi North 5.8 mph - N/A   Overcast
10:53 PM 57.9 °F 52.0 °F 81% 29.64 in 10.0 mi NNW 5.8 mph - N/A   Overcast
11:53 PM 57.0 °F 53.1 °F 87% 29.63 in 10.0 mi Calm Calm - N/A   Overcast