Seattle Boeing, WA

4:33 AM PDT on April 07, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

Change the Weather History Date:

Monday, September 23, 2019

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 62 °F 67 °F 83 °F (1957)
Min Temperature 55 °F 51 °F 40 °F (1948)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 78    
Maximum Humidity 89    
Minimum Humidity 65    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 9 mph (SSE)    
Max Wind Speed 15 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events Rain    
Averages and records for this station are not official NWS values.
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

Sep. 23, 2019 Rise Set
Actual Time 6:57 AM PDT 7:05 PM PDT
Civil Twilight 6:26 AM PDT 7:35 PM PDT
Nautical Twilight 5:50 AM PDT 8:11 PM PDT
Astronomical Twilight 5:13 AM PDT 8:48 PM PDT
Moon 12:18 AM PDT (9/23) 4:29 PM PDT (9/23)
Length of Visible Light 13h 09m
Length of Day
12h 07m
Waning Crescent, 32% of the Moon is Illuminated
Sep 23
Waning Crescent
Sep 28
New
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last 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 59.0 °F 55.0 °F 87% 30.03 in 10.0 mi SE 5.8 mph - N/A   Overcast
1:53 AM 57.9 °F 54.0 °F 87% 30.05 in 7.0 mi SSE 9.2 mph - N/A Rain Light Rain
2:53 AM 57.9 °F 54.0 °F 87% 30.06 in 3.0 mi SSE 6.9 mph - 0.00 in   Overcast
3:16 AM 57.0 °F 54.0 °F 89% 30.07 in 3.0 mi SSE 9.2 mph - N/A   Overcast
3:53 AM 57.0 °F 54.0 °F 89% 30.07 in 4.0 mi SSE 5.8 mph - N/A   Overcast
4:53 AM 57.9 °F 52.0 °F 81% 30.09 in 6.0 mi SSE 8.1 mph - N/A   Haze
5:53 AM 57.9 °F 51.1 °F 78% 30.11 in 6.0 mi South 10.4 mph - N/A   Haze
6:34 AM 55.9 °F 50.0 °F 80% 30.11 in 10.0 mi SSE 10.4 mph - N/A   Haze
6:53 AM 55.9 °F 50.0 °F 80% 30.12 in 10.0 mi SSE 10.4 mph - N/A   Haze
7:53 AM 57.9 °F 50.0 °F 75% 30.14 in 10.0 mi SSE 9.2 mph - N/A   Haze
8:53 AM 60.1 °F 51.1 °F 72% 30.17 in 10.0 mi SSE 10.4 mph 16.1 mph N/A   Scattered Clouds
9:53 AM 61.0 °F 50.0 °F 67% 30.18 in 10.0 mi South 10.4 mph 18.4 mph N/A   Overcast
10:53 AM 62.1 °F 50.0 °F 65% 30.21 in 10.0 mi South 9.2 mph - N/A   Overcast
11:53 AM 61.0 °F 50.0 °F 67% 30.21 in 10.0 mi South 9.2 mph - 0.00 in Rain Light Rain
12:53 PM 60.1 °F 52.0 °F 75% 30.22 in 8.0 mi SSW 6.9 mph - 0.00 in Rain Light Rain
1:53 PM 60.1 °F 53.1 °F 78% 30.23 in 9.0 mi South 6.9 mph - 0.00 in Rain Light Rain
2:53 PM 60.1 °F 54.0 °F 80% 30.20 in 5.0 mi South 10.4 mph - 0.01 in Rain Light Rain
3:53 PM 60.1 °F 53.1 °F 78% 30.21 in 10.0 mi South 8.1 mph - 0.00 in   Overcast
4:53 PM 60.1 °F 52.0 °F 75% 30.20 in 10.0 mi SSE 10.4 mph 25.3 mph N/A   Overcast
5:00 PM 60.1 °F 53.1 °F 78% 30.20 in 10.0 mi SSE 9.2 mph - N/A   Overcast
5:53 PM 60.1 °F 53.1 °F 78% 30.18 in 10.0 mi SSE 13.8 mph - N/A   Overcast
6:53 PM 61.0 °F 53.1 °F 75% 30.18 in 10.0 mi SSE 8.1 mph - N/A   Overcast
7:53 PM 61.0 °F 52.0 °F 72% 30.17 in 10.0 mi South 10.4 mph - N/A   Overcast
8:53 PM 62.1 °F 52.0 °F 70% 30.18 in 10.0 mi South 9.2 mph 20.7 mph N/A   Overcast
9:53 PM 61.0 °F 52.0 °F 72% 30.17 in 10.0 mi South 15.0 mph 24.2 mph N/A   Overcast
10:53 PM 60.1 °F 53.1 °F 78% 30.18 in 10.0 mi South 12.7 mph 18.4 mph N/A   Overcast
11:27 PM 59.0 °F 53.1 °F 81% 30.17 in 10.0 mi SSE 15.0 mph - N/A   Overcast
11:53 PM 59.0 °F 54.0 °F 83% 30.17 in 10.0 mi SE 10.4 mph - N/A   Overcast