Seattle Boeing, WA

10:40 AM PDT on April 07, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Friday, September 27, 2019

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 64 °F 67 °F 89 °F (1967)
Min Temperature 48 °F 49 °F 35 °F (1972)
Degree Days  
Heating Degree Days 9    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 77    
Maximum Humidity 94    
Minimum Humidity 46    
Precipitation  
Precipitation 0.03 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 10 mph    
Max Gust Speed 28 mph    
Visibility 8 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. 27, 2019 Rise Set
Actual Time 7:02 AM PDT 6:56 PM PDT
Civil Twilight 6:31 AM PDT 7:27 PM PDT
Nautical Twilight 5:56 AM PDT 8:03 PM PDT
Astronomical Twilight 5:19 AM PDT 8:39 PM PDT
Moon 5:19 AM PDT (9/27) 6:58 PM PDT (9/27)
Length of Visible Light 12h 55m
Length of Day
11h 54m
Waning Crescent, 1% of the Moon is Illuminated
Sep 27
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 60.1 °F 53.1 °F 78% 29.96 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:51 AM 59.0 °F 51.8 °F 77% 29.97 in 10.0 mi SW 5.8 mph - N/A   Overcast
1:53 AM 59.0 °F 52.0 °F 78% 29.97 in 10.0 mi Variable 5.8 mph - N/A   Overcast
2:53 AM 57.9 °F 52.0 °F 81% 29.97 in 10.0 mi South 5.8 mph - 0.00 in Rain Light Rain
3:18 AM 55.9 °F 52.0 °F 87% 29.97 in 7.0 mi South 9.2 mph - 0.00 in Rain Light Rain
3:53 AM 55.0 °F 51.1 °F 86% 29.98 in 9.0 mi South 4.6 mph - 0.00 in Rain Light Rain
4:42 AM 54.0 °F 51.1 °F 90% 29.98 in 2.0 mi SSE 3.5 mph - 0.01 in Rain Light Rain
4:48 AM 53.6 °F 51.8 °F 94% 29.98 in 2.0 mi SSE 3.5 mph - 0.01 in Rain Light Rain
4:53 AM 54.0 °F 51.1 °F 90% 29.98 in 2.0 mi SSE 4.6 mph - 0.01 in Rain Light Rain
5:22 AM 53.1 °F 51.1 °F 93% 29.98 in 1.8 mi SE 6.9 mph - 0.02 in Rain Light Rain
5:27 AM 53.1 °F 51.1 °F 93% 29.97 in 2.0 mi SSE 6.9 mph - 0.02 in Rain Light Rain
5:34 AM 53.1 °F 51.1 °F 93% 29.98 in 2.5 mi SE 8.1 mph - 0.02 in   Overcast
5:53 AM 53.1 °F 51.1 °F 93% 29.97 in 2.5 mi SSE 5.8 mph - 0.02 in Rain Light Rain
6:53 AM 53.1 °F 51.1 °F 93% 29.96 in 2.5 mi SE 5.8 mph - 0.00 in   Overcast
7:53 AM 53.1 °F 50.0 °F 89% 29.96 in 8.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:53 AM 54.0 °F 48.9 °F 83% 29.96 in 8.0 mi Variable 3.5 mph - N/A   Overcast
9:53 AM 55.0 °F 48.9 °F 80% 29.96 in 10.0 mi South 9.2 mph - N/A   Overcast
10:53 AM 55.0 °F 46.9 °F 74% 29.95 in 10.0 mi South 10.4 mph - N/A   Overcast
11:53 AM 55.9 °F 48.0 °F 75% 29.93 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
12:25 PM 59.0 °F 48.9 °F 69% 29.91 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
12:53 PM 61.0 °F 46.9 °F 60% 29.89 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
1:53 PM 64.0 °F 43.0 °F 46% 29.85 in 10.0 mi SSW 8.1 mph 20.7 mph N/A   Mostly Cloudy
2:53 PM 63.0 °F 44.1 °F 50% 29.84 in 10.0 mi SSW 8.1 mph 20.7 mph N/A   Scattered Clouds
3:53 PM 60.1 °F 44.1 °F 55% 29.83 in 10.0 mi ENE 8.1 mph 17.3 mph N/A   Scattered Clouds
4:53 PM 59.0 °F 44.1 °F 58% 29.82 in 10.0 mi ENE 10.4 mph - N/A   Scattered Clouds
5:53 PM 57.9 °F 43.0 °F 58% 29.82 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:50 PM 53.6 °F 41.0 °F 62% 29.82 in 10.0 mi North 8.1 mph 27.6 mph N/A   Overcast
6:53 PM 54.0 °F 41.0 °F 62% 29.82 in 10.0 mi NNW 9.2 mph 25.3 mph N/A   Overcast
7:53 PM 52.0 °F 41.0 °F 66% 29.84 in 10.0 mi NE 3.5 mph - N/A Rain Light Rain
8:53 PM 50.0 °F 43.0 °F 77% 29.83 in 10.0 mi ESE 5.8 mph - 0.00 in Rain Light Rain
9:53 PM 48.9 °F 42.1 °F 77% 29.82 in 10.0 mi SSE 6.9 mph - 0.00 in Rain Light Rain
10:53 PM 48.9 °F 43.0 °F 80% 29.82 in 10.0 mi Calm Calm - 0.00 in   Overcast
11:53 PM 48.0 °F 43.0 °F 83% 29.81 in 10.0 mi SE 6.9 mph - 0.00 in   Overcast