Seattle Boeing, WA

2:10 AM PDT on April 08, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Saturday, September 28, 2019

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 60 °F 66 °F 87 °F (2017)
Min Temperature 48 °F 50 °F 38 °F (1950)
Degree Days  
Heating Degree Days 11    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 42 °F    
Average Humidity 69    
Maximum Humidity 87    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 10 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

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Astronomy

Sep. 28, 2019 Rise Set
Actual Time 7:03 AM PDT 6:54 PM PDT
Civil Twilight 6:33 AM PDT 7:25 PM PDT
Nautical Twilight 5:57 AM PDT 8:01 PM PDT
Astronomical Twilight 5:20 AM PDT 8:37 PM PDT
Moon 6:41 AM PDT (9/28) 7:26 PM PDT (9/28)
Length of Visible Light 12h 52m
Length of Day
11h 50m
New Moon, 0% of the Moon is Illuminated
Sep 28
New Moon
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last Quarter
Oct 27
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.9 °F 44.1 °F 83% 29.81 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 48.9 °F 43.0 °F 80% 29.82 in 10.0 mi WNW 4.6 mph - N/A   Overcast
2:53 AM 48.9 °F 43.0 °F 80% 29.82 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
3:53 AM 48.9 °F 43.0 °F 80% 29.81 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
4:48 AM 48.2 °F 44.6 °F 87% 29.81 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 48.9 °F 44.1 °F 83% 29.82 in 8.0 mi Calm Calm - 0.00 in Rain Light Rain
5:13 AM 48.9 °F 45.0 °F 86% 29.82 in 9.0 mi Calm Calm - 0.00 in Rain Light Rain
5:53 AM 48.9 °F 44.1 °F 83% 29.82 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
6:53 AM 48.9 °F 45.0 °F 86% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 50.0 °F 45.0 °F 83% 29.85 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
8:53 AM 50.0 °F 44.1 °F 80% 29.85 in 10.0 mi Variable 3.5 mph - 0.00 in   Overcast
9:53 AM 51.1 °F 43.0 °F 74% 29.86 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 52.0 °F 43.0 °F 71% 29.86 in 10.0 mi NE 4.6 mph - N/A   Overcast
11:53 AM 54.0 °F 43.0 °F 66% 29.87 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
12:53 PM 54.0 °F 44.1 °F 69% 29.86 in 10.0 mi WNW 11.5 mph 17.3 mph N/A   Mostly Cloudy
1:53 PM 57.0 °F 42.1 °F 57% 29.86 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
2:53 PM 60.1 °F 41.0 °F 49% 29.85 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Mostly Cloudy
3:53 PM 59.0 °F 37.9 °F 46% 29.84 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
4:53 PM 60.1 °F 36.0 °F 41% 29.83 in 10.0 mi NNW 6.9 mph 17.3 mph N/A   Scattered Clouds
5:53 PM 57.9 °F 35.1 °F 42% 29.83 in 10.0 mi NW 8.1 mph 17.3 mph N/A   Scattered Clouds
6:53 PM 57.0 °F 35.1 °F 44% 29.84 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
7:53 PM 55.9 °F 35.1 °F 45% 29.85 in 10.0 mi North - - N/A   Overcast
8:53 PM 51.1 °F 42.1 °F 71% 29.86 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
9:53 PM 51.1 °F 42.1 °F 71% 29.86 in 10.0 mi SE 8.1 mph - N/A   Overcast
10:53 PM 50.0 °F 41.0 °F 71% 29.86 in 10.0 mi SSE 9.2 mph - N/A   Overcast
11:53 PM 50.0 °F 39.9 °F 68% 29.86 in 10.0 mi SSE 8.1 mph - N/A   Overcast