Boston, MA

2:37 AM EDT on May 26, 2018 (GMT -0400)
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Weather History for KBOS - October, 2011

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Monday, October 31, 2011

  Actual Average Record
Temperature  
Mean Temperature 45 °F 49 °F  
Max Temperature 52 °F 57 °F 81 °F (1946)
Min Temperature 38 °F 42 °F 27 °F (1904)
Degree Days  
Heating Degree Days 20 16  
Month to date heating degree days 251 350  
Since 1 July heating degree days 295 447  
Cooling Degree Days 0 0  
Month to date cooling degree days 25 7  
Year to date cooling degree days 1007 747  
Moisture  
Dew Point 31 °F    
Average Humidity 55    
Maximum Humidity 65    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.12 in 2.54 in (1939)
Month to date precipitation 6.77 3.94  
Year to date precipitation 44.22 36.00  
Sea Level Pressure  
Sea Level Pressure 30.37 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 13 mph    
Max Gust Speed 16 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

Oct. 31, 2011 Rise Set
Actual Time 7:15 AM EDT 5:38 PM EDT
Civil Twilight 6:46 AM EDT 6:08 PM EDT
Nautical Twilight 6:13 AM EDT 6:41 PM EDT
Astronomical Twilight 5:40 AM EDT 7:13 PM EDT
Moon 12:23 PM EDT (10/31) 10:09 PM EDT (10/31)
Length of Visible Light 11h 21m
Length of Day
10h 23m
Waxing Crescent, 29% of the Moon is Illuminated
Oct 31
Waxing Crescent
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter
Nov 25
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 39.9 °F 33.9 °F 28.0 °F 63% 30.30 in 10.0 mi West 9.2 mph - N/A   Clear
1:54 AM 39.9 °F 34.5 °F 28.0 °F 63% 30.30 in 10.0 mi West 8.1 mph - N/A   Clear
2:54 AM 39.0 °F 32.8 °F 28.9 °F 67% 30.33 in 10.0 mi West 9.2 mph - N/A   Clear
3:54 AM 39.0 °F 32.3 °F 28.0 °F 65% 30.34 in 10.0 mi West 10.4 mph - N/A   Clear
4:54 AM 39.0 °F 33.4 °F 28.0 °F 65% 30.35 in 10.0 mi WNW 8.1 mph - N/A   Clear
5:54 AM 39.0 °F 32.3 °F 28.0 °F 65% 30.37 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:54 AM 39.0 °F 33.4 °F 27.0 °F 62% 30.37 in 10.0 mi West 8.1 mph - N/A   Clear
7:54 AM 39.0 °F 32.8 °F 28.0 °F 65% 30.39 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
8:54 AM 44.1 °F 40.1 °F 28.9 °F 55% 30.40 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
9:54 AM 46.0 °F 43.1 °F 30.0 °F 54% 30.40 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
10:54 AM 50.0 °F - 30.0 °F 46% 30.40 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:54 AM 51.1 °F - 33.1 °F 50% 30.41 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
12:54 PM 52.0 °F - 33.1 °F 49% 30.39 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
1:54 PM 52.0 °F - 30.9 °F 45% 30.38 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
2:54 PM 52.0 °F - 32.0 °F 47% 30.37 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
3:54 PM 51.1 °F - 34.0 °F 52% 30.37 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
4:54 PM 50.0 °F - 35.1 °F 57% 30.36 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
5:54 PM 50.0 °F - 34.0 °F 54% 30.38 in 10.0 mi SE 10.4 mph - N/A   Mostly Cloudy
6:54 PM 48.9 °F - 34.0 °F 56% 30.39 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
7:54 PM 46.9 °F - 35.1 °F 63% 30.40 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:54 PM 46.0 °F 44.8 °F 34.0 °F 63% 30.40 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
9:54 PM 45.0 °F 41.8 °F 33.1 °F 63% 30.41 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
10:54 PM 45.0 °F 42.6 °F 34.0 °F 65% 30.40 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
11:54 PM 46.0 °F - 35.1 °F 66% 30.38 in 10.0 mi Calm Calm - N/A   Mostly Cloudy