Boston, MA

3:19 AM EDT on June 19, 2018 (GMT -0400)
Logan International

Weather History for KBOS - March, 2015

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Thursday, March 12, 2015

  Actual Average Record
Temperature  
Mean Temperature 34 °F 37 °F  
Max Temperature 43 °F 44 °F 71 °F (2012)
Min Temperature 25 °F 30 °F 7 °F (1900)
Degree Days  
Heating Degree Days 31 28  
Month to date heating degree days 397 351  
Since 1 July heating degree days 4712 4393  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 42    
Maximum Humidity 59    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in 0.12 in 1.55 in (1936)
Month to date precipitation 0.53 1.58  
Year to date precipitation 7.47 8.19  
Sea Level Pressure  
Sea Level Pressure 30.28 in    
Wind  
Wind Speed 17 mph (NW)    
Max Wind Speed 32 mph    
Max Gust Speed 41 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

Mar. 12, 2015 Rise Set
Actual Time 7:01 AM EDT 6:46 PM EDT
Civil Twilight 6:33 AM EDT 7:14 PM EDT
Nautical Twilight 6:01 AM EDT 7:47 PM EDT
Astronomical Twilight 5:28 AM EDT 8:20 PM EDT
Moon 12:35 AM EDT (3/12) 10:45 AM EDT (3/12)
Length of Visible Light 12h 41m
Length of Day
11h 45m
Waning Gibbous, 61% of the Moon is Illuminated
Mar 12
Waning Gibbous
Mar 13
Last Quarter
Mar 20
New
Mar 27
First Quarter
Apr 4
Full

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 43.0 °F 35.4 °F 27.0 °F 53% 29.94 in 10.0 mi West 16.1 mph 20.7 mph N/A   Clear
1:54 AM 42.1 °F 34.5 °F 24.1 °F 49% 29.95 in 10.0 mi West 15.0 mph 25.3 mph N/A   Clear
2:54 AM 41.0 °F 33.1 °F 25.0 °F 53% 29.96 in 10.0 mi West 15.0 mph 20.7 mph N/A   Clear
3:54 AM 39.9 °F 32.5 °F 26.1 °F 58% 29.95 in 10.0 mi West 12.7 mph 21.9 mph N/A   Clear
4:54 AM 41.0 °F 33.9 °F 26.1 °F 55% 29.99 in 10.0 mi West 12.7 mph - N/A   Overcast
5:54 AM 37.9 °F 27.3 °F 24.1 °F 57% 30.05 in 10.0 mi NNW 21.9 mph 29.9 mph N/A   Mostly Cloudy
6:54 AM 36.0 °F 23.7 °F 16.0 °F 44% 30.14 in 10.0 mi NW 26.5 mph 36.8 mph N/A   Scattered Clouds
7:54 AM 35.1 °F 23.0 °F 10.9 °F 37% 30.21 in 10.0 mi NW 24.2 mph 33.4 mph N/A   Partly Cloudy
8:54 AM 34.0 °F 23.8 °F 10.9 °F 38% 30.25 in 10.0 mi NW 16.1 mph 27.6 mph N/A   Partly Cloudy
9:54 AM 33.1 °F 20.6 °F 8.1 °F 35% 30.29 in 10.0 mi WNW 23.0 mph 31.1 mph N/A   Partly Cloudy
10:54 AM 35.1 °F 24.1 °F 10.9 °F 37% 30.31 in 10.0 mi NNW 19.6 mph 27.6 mph N/A   Partly Cloudy
11:54 AM 35.1 °F 24.1 °F 10.9 °F 37% 30.33 in 10.0 mi NNW 19.6 mph 29.9 mph N/A   Partly Cloudy
12:54 PM 36.0 °F 25.0 °F 10.0 °F 34% 30.34 in 10.0 mi NNW 20.7 mph 35.7 mph N/A   Partly Cloudy
1:54 PM 36.0 °F 25.3 °F 9.0 °F 33% 30.34 in 10.0 mi NW 19.6 mph 32.2 mph N/A   Partly Cloudy
2:54 PM 37.0 °F 27.7 °F 9.0 °F 31% 30.34 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Partly Cloudy
3:54 PM 36.0 °F 26.0 °F 8.1 °F 31% 30.36 in 10.0 mi NNW 17.3 mph 27.6 mph N/A   Partly Cloudy
4:54 PM 36.0 °F 26.0 °F 7.0 °F 30% 30.39 in 10.0 mi NW 17.3 mph - N/A   Partly Cloudy
5:54 PM 35.1 °F 24.1 °F 6.1 °F 30% 30.42 in 10.0 mi NNW 19.6 mph 26.5 mph N/A   Scattered Clouds
6:54 PM 33.1 °F 23.4 °F 1.0 °F 26% 30.46 in 10.0 mi NW 13.8 mph 23.0 mph N/A   Partly Cloudy
7:54 PM 32.0 °F 22.1 °F 1.9 °F 28% 30.50 in 10.0 mi NW 13.8 mph 23.0 mph N/A   Partly Cloudy
8:54 PM 30.0 °F 20.5 °F 1.9 °F 30% 30.52 in 10.0 mi NNW 11.5 mph - N/A   Clear
9:54 PM 28.9 °F 18.6 °F 3.0 °F 33% 30.55 in 10.0 mi NNW 12.7 mph 19.6 mph N/A   Clear
10:54 PM 28.0 °F 18.1 °F 1.9 °F 33% 30.56 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:54 PM 26.1 °F 15.6 °F 3.9 °F 39% 30.56 in 10.0 mi North 11.5 mph - N/A   Clear