Boston, MA

2:35 AM EDT on September 15, 2019 (GMT -0400)
Logan International

Weather History for KBOS - August, 2019

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Monday, August 19, 2019

  Actual Average Record
Temperature  
Mean Temperature 84 °F 72 °F  
Max Temperature 93 °F 79 °F 92 °F (1966)
Min Temperature 75 °F 65 °F 51 °F (1882)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0  
Since 1 June heating degree days 61  
Since 1 July heating degree days 6  
Cooling Degree Days 19 7  
Month to date cooling degree days 153  
Year to date cooling degree days 585  
Since 1 June cooling degree days 555  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 70    
Maximum Humidity 89    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.10 in 7.06 in (1955)
Month to date precipitation 2.16  
Year to date precipitation 27.43  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 8 mph ()    
Max Wind Speed 17 mph    
Max Gust Speed 22 mph    
Visibility 10.0 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 19, 2019 Rise Set
Actual Time 5:55 AM EDT 7:39 PM EDT
Civil Twilight 5:25 AM EDT 8:09 PM EDT
Nautical Twilight 4:48 AM EDT 8:45 PM EDT
Astronomical Twilight 4:09 AM EDT 9:24 PM EDT
Moon 9:54 PM EDT (8/19) 9:37 AM EDT (8/19)
Length of Visible Light 14h 44m
Length of Day
13h 44m
Waning Gibbous, 85% of the Moon is Illuminated
Aug 19
Waning Gibbous
Aug 23
Last Quarter
Aug 30
New
Sep 5
First Quarter
Sep 14
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 75.2 °F - 69.8 °F 83% 29.92 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
1:52 AM 75.2 °F - 71.6 °F 89% 29.92 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
1:54 AM 75.0 °F - 71.1 °F 87% 29.93 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
2:04 AM 75.9 °F - 72.0 °F 87% 29.93 in 10.0 mi SSW 8.1 mph - N/A   Overcast
2:54 AM 77.0 °F - 72.0 °F 84% 29.94 in 10.0 mi SSW 8.1 mph - N/A   Overcast
3:54 AM 77.0 °F - 72.0 °F 84% 29.95 in 10.0 mi SW 6.9 mph - N/A   Overcast
4:27 AM 77.0 °F - 72.0 °F 84% 29.95 in 10.0 mi SW 8.1 mph - N/A   Overcast
4:54 AM 78.1 °F - 71.1 °F 79% 29.96 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:14 AM 77.0 °F - 71.1 °F 82% 29.96 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
5:54 AM 75.9 °F - 70.0 °F 82% 29.97 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
6:54 AM 77.0 °F - 71.1 °F 82% 29.97 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
7:54 AM 79.0 °F - 68.0 °F 69% 29.97 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
8:54 AM 82.0 °F 84.5 °F 66.9 °F 60% 29.96 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
9:54 AM 86.0 °F 88.2 °F 66.0 °F 51% 29.96 in 10.0 mi SW 15.0 mph - N/A   Partly Cloudy
10:54 AM 89.1 °F 93.7 °F 69.1 °F 52% 29.95 in 10.0 mi West 16.1 mph 21.9 mph N/A   Partly Cloudy
11:54 AM 91.0 °F 95.2 °F 68.0 °F 47% 29.94 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Scattered Clouds
1:54 PM 93.0 °F 97.4 °F 68.0 °F 44% 29.92 in 10.0 mi WSW 12.7 mph 20.7 mph N/A   Scattered Clouds
2:54 PM 93.0 °F 97.9 °F 69.1 °F 45% 29.89 in 10.0 mi SSW 13.8 mph - N/A   Scattered Clouds
3:54 PM 91.9 °F 95.9 °F 68.0 °F 45% 29.88 in 10.0 mi WSW 17.3 mph - N/A   Mostly Cloudy