Boston, MA

7:40 PM EDT on April 21, 2018 (GMT -0400)
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Weather History for KBOS - August, 2013

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Monday, August 26, 2013

  Actual Average Record
Temperature  
Mean Temperature 76 °F 71 °F  
Max Temperature 84 °F 78 °F 99 °F (1948)
Min Temperature 67 °F 63 °F 50 °F (1942)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 27 61  
Since 1 July heating degree days 2 6  
Cooling Degree Days 11 6  
Month to date cooling degree days 201 199  
Year to date cooling degree days 793 631  
Since 1 June cooling degree days 755 601  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 59    
Maximum Humidity 73    
Minimum Humidity 44    
Precipitation  
Precipitation 0.01 in 0.10 in 4.15 in (1924)
Month to date precipitation 1.83 2.87  
Year to date precipitation 30.19 28.14  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 11 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 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

Aug. 26, 2013 Rise Set
Actual Time 6:03 AM EDT 7:27 PM EDT
Civil Twilight 5:33 AM EDT 7:56 PM EDT
Nautical Twilight 4:58 AM EDT 8:31 PM EDT
Astronomical Twilight 4:20 AM EDT 9:09 PM EDT
Moon 10:27 PM EDT (8/26) 12:09 PM EDT (8/26)
Length of Visible Light 14h 23m
Length of Day
13h 24m
Waning Gibbous, 67% of the Moon is Illuminated
Aug 26
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
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 68.0 °F - 55.0 °F 63% 30.19 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
1:54 AM 68.0 °F - 55.9 °F 65% 30.17 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
2:54 AM 68.0 °F - 55.9 °F 65% 30.15 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
3:54 AM 69.1 °F - 55.9 °F 63% 30.14 in 10.0 mi WSW 11.5 mph - N/A   Overcast
4:54 AM 68.0 °F - 55.9 °F 65% 30.12 in 10.0 mi SW 10.4 mph - N/A   Overcast
5:54 AM 68.0 °F - 55.9 °F 65% 30.12 in 10.0 mi WSW 8.1 mph - N/A   Overcast
6:54 AM 68.0 °F - 57.0 °F 68% 30.11 in 10.0 mi WSW 10.4 mph - 0.00 in Rain Light Rain
7:54 AM 69.1 °F - 55.9 °F 63% 30.09 in 10.0 mi SW 6.9 mph - 0.00 in   Overcast
8:54 AM 68.0 °F - 59.0 °F 73% 30.09 in 10.0 mi WSW 8.1 mph - 0.01 in   Overcast
9:54 AM 69.1 °F - 57.9 °F 68% 30.05 in 10.0 mi WSW 9.2 mph - N/A   Overcast
10:54 AM 72.0 °F - 57.9 °F 61% 30.03 in 10.0 mi SW 15.0 mph - 0.00 in   Overcast
1:54 PM 84.0 °F 84.4 °F 61.0 °F 46% 29.95 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
2:54 PM 81.0 °F 81.7 °F 61.0 °F 50% 29.94 in 10.0 mi WSW 15.0 mph 19.6 mph N/A   Mostly Cloudy
3:54 PM 80.1 °F 81.2 °F 62.1 °F 54% 29.92 in 10.0 mi WSW 10.4 mph - N/A   Overcast
4:54 PM 80.1 °F 81.5 °F 63.0 °F 56% 29.91 in 10.0 mi West 11.5 mph - N/A   Overcast
5:54 PM 79.0 °F - 63.0 °F 58% 29.90 in 10.0 mi West 12.7 mph 19.6 mph N/A   Overcast
6:54 PM 78.1 °F - 63.0 °F 60% 29.90 in 10.0 mi WSW 10.4 mph 19.6 mph N/A   Overcast
7:54 PM 77.0 °F - 64.0 °F 64% 29.89 in 10.0 mi WSW 9.2 mph - N/A   Overcast
8:54 PM 75.9 °F - 64.0 °F 67% 29.90 in 10.0 mi SW 10.4 mph - N/A   Overcast
9:54 PM 75.0 °F - 64.0 °F 69% 29.89 in 10.0 mi WSW 10.4 mph - N/A   Overcast
10:54 PM 73.9 °F - 64.0 °F 71% 29.89 in 10.0 mi West 9.2 mph - N/A   Overcast
11:54 PM 73.0 °F - 64.0 °F 73% 29.87 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy