Boston, MA

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

Weather History for KBOS - March, 2015

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Sunday, March 22, 2015

  Actual Average Record
Temperature  
Mean Temperature 30 °F 40 °F  
Max Temperature 39 °F 47 °F 83 °F (2012)
Min Temperature 21 °F 33 °F 8 °F (1885)
Degree Days  
Heating Degree Days 35 25  
Month to date heating degree days 724 616  
Since 1 July heating degree days 5039 4658  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 5 °F    
Average Humidity 38    
Maximum Humidity 54    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.15 in 2.59 in (2001)
Month to date precipitation 1.88 3.00  
Year to date precipitation 8.82 9.61  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 18 mph (WNW)    
Max Wind Speed 33 mph    
Max Gust Speed 48 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. 22, 2015 Rise Set
Actual Time 6:44 AM EDT 6:58 PM EDT
Civil Twilight 6:16 AM EDT 7:26 PM EDT
Nautical Twilight 5:43 AM EDT 7:59 PM EDT
Astronomical Twilight 5:09 AM EDT 8:32 PM EDT
Moon 8:05 AM EDT (3/22) 9:58 PM EDT (3/22)
Length of Visible Light 13h 10m
Length of Day
12h 13m
Waxing Crescent, 7% of the Moon is Illuminated
Mar 22
Waxing Crescent
Mar 27
First Quarter
Apr 4
Full
Apr 11
Last Quarter
Apr 18
New

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 39.0 °F 30.3 °F 23.0 °F 53% 29.76 in 10.0 mi West 16.1 mph - N/A   Clear
1:54 AM 37.9 °F 28.2 °F 23.0 °F 55% 29.76 in 10.0 mi West 18.4 mph 29.9 mph N/A   Partly Cloudy
2:54 AM 37.9 °F 29.2 °F 23.0 °F 55% 29.78 in 10.0 mi West 15.0 mph 24.2 mph N/A   Mostly Cloudy
3:54 AM 36.0 °F 27.5 °F 18.0 °F 48% 29.81 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
4:54 AM 33.1 °F 21.9 °F 15.1 °F 48% 29.82 in 10.0 mi WNW 18.4 mph 26.5 mph N/A   Scattered Clouds
5:54 AM 28.9 °F 16.1 °F 10.9 °F 47% 29.87 in 10.0 mi WNW 19.6 mph 29.9 mph N/A   Scattered Clouds
6:54 AM 27.0 °F 16.1 °F 8.1 °F 45% 29.92 in 10.0 mi NW 12.7 mph 27.6 mph N/A   Partly Cloudy
7:54 AM 25.0 °F 12.6 °F 1.9 °F 37% 29.94 in 10.0 mi WNW 15.0 mph 25.3 mph N/A   Partly Cloudy
8:54 AM 26.1 °F 14.5 °F 3.0 °F 37% 29.96 in 10.0 mi WNW 13.8 mph 24.2 mph N/A   Clear
9:54 AM 27.0 °F 14.3 °F 3.9 °F 37% 29.96 in 10.0 mi West 17.3 mph 26.5 mph N/A   Clear
11:54 AM 30.9 °F 18.4 °F 5.0 °F 33% 29.95 in 10.0 mi NW 20.7 mph 27.6 mph N/A   Partly Cloudy
12:54 PM 30.0 °F 14.5 °F -4.0 °F 23% 29.94 in 10.0 mi WNW 32.2 mph 48.3 mph N/A   Partly Cloudy
1:54 PM 30.9 °F 17.5 °F -2.0 °F 24% 29.94 in 10.0 mi WNW 24.2 mph 35.7 mph N/A   Partly Cloudy
2:54 PM 32.0 °F 20.1 °F -0.0 °F 26% 29.92 in 10.0 mi WNW 19.6 mph 28.8 mph N/A   Clear
4:54 PM 32.0 °F 19.8 °F -2.9 °F 22% 29.93 in 10.0 mi WNW 20.7 mph 35.7 mph N/A   Clear
5:54 PM 30.9 °F 17.8 °F -2.0 °F 24% 29.94 in 10.0 mi West 23.0 mph 32.2 mph N/A   Clear
6:54 PM 28.9 °F 16.9 °F -2.0 °F 26% 29.96 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Clear
7:54 PM 28.0 °F 18.1 °F -0.9 °F 29% 30.00 in 10.0 mi WNW 11.5 mph - N/A   Clear
8:54 PM 26.1 °F 14.0 °F -2.9 °F 28% 30.04 in 10.0 mi NW 15.0 mph - N/A   Clear
9:54 PM 24.1 °F 12.0 °F -2.9 °F 31% 30.07 in 10.0 mi NNW 13.8 mph - N/A   Partly Cloudy
10:54 PM 21.9 °F 7.8 °F -5.1 °F 30% 30.10 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Partly Cloudy
11:54 PM 21.0 °F 8.6 °F -5.1 °F 32% 30.11 in 10.0 mi WNW 12.7 mph - N/A   Clear