Seattle, WA

6:11 PM PST on December 12, 2019 (GMT -0800)
Seattle-Tacoma International

Weather History for KSEA - July, 2019

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Wednesday, July 17, 2019

  Actual Average Record
Temperature  
Mean Temperature 65 °F 66 °F  
Max Temperature 69 °F 76 °F 96 °F (1979)
Min Temperature 60 °F 56 °F 48 °F (1950)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 9 35  
Since 1 June heating degree days 82 179  
Since 1 July heating degree days 9 35  
Cooling Degree Days 0 3  
Month to date cooling degree days 35 31  
Year to date cooling degree days 94 58  
Since 1 June cooling degree days 73 52  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 78    
Maximum Humidity 87    
Minimum Humidity 68    
Precipitation  
Precipitation 0.13 in 0.02 in 0.35 in (1974)
Month to date precipitation 0.92 0.45  
Year to date precipitation 15.79 19.46  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 12 mph (SSW)    
Max Wind Speed 20 mph    
Max Gust Speed 28 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

Jul. 17, 2019 Rise Set
Actual Time 5:29 AM PDT 9:00 PM PDT
Civil Twilight 4:51 AM PDT 9:38 PM PDT
Nautical Twilight 4:00 AM PDT 10:29 PM PDT
Astronomical Twilight 2:51 AM PDT 11:37 PM PDT
Moon 9:50 PM PDT (7/17) 6:07 AM PDT (7/17)
Length of Visible Light 16h 47m
Length of Day
15h 31m
Full, 99% of the Moon is Illuminated
Jul 17
Full
Jul 24
Last Quarter
Jul 31
New
Aug 7
First Quarter
Aug 15
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 63.0 °F 55.0 °F 75% 29.96 in 10.0 mi SW 13.8 mph - N/A   Overcast
1:53 AM 63.0 °F 55.0 °F 75% 29.96 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
2:53 AM 63.0 °F 54.0 °F 72% 29.95 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
3:53 AM 63.0 °F 54.0 °F 72% 29.94 in 10.0 mi SSW 12.7 mph - N/A   Overcast
4:53 AM 63.0 °F 54.0 °F 72% 29.93 in 10.0 mi South 9.2 mph - 0.00 in Rain Light Rain
5:23 AM 62.1 °F 54.0 °F 75% 29.93 in 10.0 mi SSW 16.1 mph 24.2 mph 0.00 in   Overcast
5:53 AM 61.0 °F 54.0 °F 78% 29.94 in 10.0 mi SSW 10.4 mph - 0.00 in Rain Light Rain
6:46 AM 63.0 °F 53.1 °F 70% 29.92 in 10.0 mi South 10.4 mph - 0.00 in   Overcast
6:53 AM 63.0 °F 53.1 °F 70% 29.93 in 10.0 mi South 13.8 mph - 0.00 in Rain Light Rain
7:45 AM 63.0 °F 53.1 °F 70% 29.92 in 10.0 mi SSW 11.5 mph - 0.00 in   Overcast
7:53 AM 63.0 °F 53.1 °F 70% 29.93 in 10.0 mi SSW 11.5 mph - 0.00 in   Overcast
8:46 AM 63.0 °F 53.1 °F 70% 29.91 in 10.0 mi South 11.5 mph - N/A   Overcast
8:53 AM 63.0 °F 53.1 °F 70% 29.93 in 10.0 mi South 12.7 mph - N/A   Overcast
9:10 AM 62.1 °F 54.0 °F 75% 29.91 in 7.0 mi South 10.4 mph 19.6 mph 0.00 in Rain Light Rain
9:53 AM 64.9 °F 53.1 °F 65% 29.91 in 10.0 mi South 13.8 mph - 0.00 in Rain Light Rain
10:53 AM 66.9 °F 53.1 °F 61% 29.91 in 10.0 mi South 11.5 mph - 0.00 in   Overcast
11:53 AM 66.0 °F 57.0 °F 73% 29.91 in 10.0 mi SSW 15.0 mph 21.9 mph 0.00 in Rain Light Rain
12:53 PM 66.0 °F 59.0 °F 78% 29.92 in 10.0 mi SSW 9.2 mph - 0.00 in   Overcast
1:53 PM 68.0 °F 57.9 °F 70% 29.91 in 10.0 mi South 13.8 mph - 0.00 in   Overcast
2:53 PM 66.0 °F 60.1 °F 81% 29.92 in 3.0 mi SW 12.7 mph 25.3 mph 0.01 in Rain Light Rain
3:48 PM 64.4 °F 60.8 °F 88% 29.91 in 5.0 mi South 9.2 mph - 0.02 in Rain Light Rain
3:53 PM 64.0 °F 61.0 °F 90% 29.93 in 4.0 mi SSW 10.4 mph - 0.02 in Rain Light Rain
4:15 PM 64.0 °F 61.0 °F 90% 29.91 in 2.0 mi SW 8.1 mph - 0.02 in Rain Rain
4:34 PM 64.0 °F 61.0 °F 90% 29.91 in 1.0 mi SSW 10.4 mph - 0.05 in Rain Rain
4:43 PM 64.0 °F 61.0 °F 90% 29.91 in 1.5 mi SSW 11.5 mph - 0.08 in Rain Light Rain
4:51 PM 64.4 °F 60.8 °F 88% 29.91 in 4.0 mi SSW 12.7 mph - N/A   Overcast
4:53 PM 64.0 °F 61.0 °F 90% 29.92 in 5.0 mi SSW 16.1 mph 23.0 mph 0.08 in Rain Light Rain
5:11 PM 64.0 °F 61.0 °F 90% 29.90 in 7.0 mi SSW 13.8 mph 21.9 mph 0.01 in Rain Light Rain
5:53 PM 64.9 °F 61.0 °F 87% 29.91 in 10.0 mi SSW 18.4 mph 24.2 mph 0.01 in   Mostly Cloudy
6:44 PM 64.0 °F 61.0 °F 90% 29.89 in 10.0 mi SSW 13.8 mph - N/A   Mostly Cloudy
6:53 PM 64.9 °F 61.0 °F 87% 29.90 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
7:32 PM 66.0 °F 61.0 °F 84% 29.89 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
7:53 PM 64.9 °F 60.1 °F 84% 29.91 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
8:30 PM 64.0 °F 60.1 °F 87% 29.89 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
8:53 PM 64.0 °F 61.0 °F 90% 29.91 in 10.0 mi SSW 12.7 mph - 0.00 in Rain Light Rain
9:05 PM 64.0 °F 61.0 °F 90% 29.89 in 10.0 mi SSW 12.7 mph - 0.00 in Rain Light Rain
9:08 PM 64.0 °F 61.0 °F 90% 29.89 in 9.0 mi SSW 11.5 mph - 0.00 in Rain Light Rain
9:53 PM 63.0 °F 61.0 °F 93% 29.91 in 10.0 mi SSW 10.4 mph - 0.01 in   Overcast
10:08 PM 63.0 °F 61.0 °F 93% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Overcast
10:53 PM 64.0 °F 61.0 °F 90% 29.91 in 10.0 mi SSW 9.2 mph - N/A   Overcast
11:29 PM 63.0 °F 60.1 °F 90% 29.90 in 10.0 mi SSW 10.4 mph - N/A   Overcast
11:53 PM 62.1 °F 57.9 °F 86% 29.92 in 10.0 mi SSW 12.7 mph - N/A   Overcast