Boston, MA

2:23 PM EDT on June 25, 2018 (GMT -0400)
Logan International

Weather History for KBOS - December, 2017

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Thursday, December 7, 2017

  Actual Average Record
Temperature  
Mean Temperature 40 °F 38 °F  
Max Temperature 47 °F 44 °F 76 °F (1998)
Min Temperature 33 °F 31 °F 4 °F (1906)
Degree Days  
Heating Degree Days 25 27  
Month to date heating degree days 158 184  
Since 1 July heating degree days 985 1239  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 880 747  
Moisture  
Dew Point 21 °F    
Average Humidity 47    
Maximum Humidity 61    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.14 in 1.60 in (2011)
Month to date precipitation 0.63 0.93  
Year to date precipitation 41.59 40.92  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 27 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 07, 2017 Rise Set
Actual Time 6:59 AM EST 4:11 PM EST
Civil Twilight 6:28 AM EST 4:43 PM EST
Nautical Twilight 5:52 AM EST 5:18 PM EST
Astronomical Twilight 5:18 AM EST 5:52 PM EST
Moon 8:56 PM EST (12/7) 10:35 AM EST (12/7)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waning Gibbous, 78% of the Moon is Illuminated
Dec 7
Waning Gibbous
Dec 10
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 35.1 °F 26.4 °F 21.9 °F 59% 29.92 in 10.0 mi SW 12.7 mph - N/A   Clear
1:54 AM 34.0 °F 24.6 °F 21.9 °F 61% 29.94 in 10.0 mi SW 13.8 mph - N/A   Clear
2:54 AM 34.0 °F 24.6 °F 21.9 °F 61% 29.93 in 10.0 mi SW 13.8 mph - N/A   Clear
3:54 AM 34.0 °F 25.0 °F 21.9 °F 61% 29.91 in 10.0 mi SW 12.7 mph - N/A   Clear
4:54 AM 34.0 °F 25.0 °F 21.9 °F 61% 29.91 in 10.0 mi SW 12.7 mph - N/A   Partly Cloudy
5:54 AM 34.0 °F 25.5 °F 21.9 °F 61% 29.92 in 10.0 mi WSW 11.5 mph - N/A   Clear
6:54 AM 35.1 °F 27.9 °F 21.9 °F 59% 29.93 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
7:54 AM 37.0 °F 29.3 °F 21.9 °F 54% 29.94 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy
8:54 AM 39.0 °F 31.8 °F 23.0 °F 53% 29.95 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
9:54 AM 42.1 °F 35.7 °F 24.1 °F 49% 29.95 in 10.0 mi West 11.5 mph 20.7 mph N/A   Partly Cloudy
10:54 AM 44.1 °F 38.1 °F 23.0 °F 43% 29.93 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
11:54 AM 45.0 °F 38.2 °F 21.9 °F 40% 29.91 in 10.0 mi WNW 15.0 mph 21.9 mph N/A   Partly Cloudy
12:54 PM 46.0 °F 41.4 °F 21.0 °F 37% 29.88 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
1:54 PM 45.0 °F 38.9 °F 19.0 °F 36% 29.88 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
2:54 PM 44.1 °F 37.7 °F 18.0 °F 35% 29.88 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
3:54 PM 43.0 °F 38.2 °F 19.0 °F 38% 29.88 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
4:54 PM 42.1 °F 36.6 °F 21.0 °F 43% 29.89 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
5:54 PM 42.1 °F 37.7 °F 21.0 °F 43% 29.91 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
6:54 PM 42.1 °F 38.4 °F 21.9 °F 45% 29.91 in 10.0 mi WNW 5.8 mph - N/A   Overcast
7:54 PM 41.0 °F 36.4 °F 24.1 °F 51% 29.92 in 10.0 mi SW 6.9 mph - N/A   Overcast
8:54 PM 39.9 °F 32.5 °F 21.0 °F 47% 29.93 in 10.0 mi SW 12.7 mph - N/A   Overcast
9:54 PM 39.0 °F 31.0 °F 18.0 °F 43% 29.93 in 10.0 mi WSW 13.8 mph - N/A   Scattered Clouds
10:54 PM 37.0 °F 27.7 °F 17.1 °F 44% 29.95 in 10.0 mi WSW 16.1 mph - N/A   Scattered Clouds
11:54 PM 37.0 °F 27.7 °F 18.0 °F 46% 29.96 in 10.0 mi WSW 16.1 mph - N/A   Clear