Weather History for Boston, MA

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 99 °F 85 °F 66 °F
Mean Temperature 89 °F 77 °F 63 °F
Min Temperature 79 °F 69 °F 60 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 24 12 0 383
Growing Degree Days (base 50) 38 27 12 835
Dew Point  
Dew Point 76 °F 66 °F 48 °F
Precipitation  
Precipitation 1.76 in 0.13 in 0.00 in 3.61 in
Snowdepth - - - -
Wind  
Wind 26 mph 9 mph 0 mph
Gust Wind 37 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 30.01 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 27, 2013 Rise Set
Actual Time 5:31 AM EDT 8:08 PM EDT
Civil Twilight 4:59 AM EDT 8:40 PM EDT
Nautical Twilight 4:18 AM EDT 9:21 PM EDT
Astronomical Twilight 3:32 AM EDT 10:06 PM EDT
Moon 10:45 PM EDT (7/27) 11:17 AM EDT (7/27)
Length of Visible Light 15h 41m
Length of Day
14h 36m
Waning Gibbous, 71% of the Moon is Illuminated
Jul 27
Waning Gibbous
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
Full

Weather History Calendar

Precipitation Actual month total 3.61 Normal Month Total: 3.43
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
85 | 71 0.03
Average:
80 | 64 0.09
Rain
Actual:
82 | 61 T
Average:
80 | 64 0.09
Fog
Actual:
91 | 62 0.00
Average:
81 | 64 0.09
Scattered Clouds
Actual:
94 | 75 0.00
Average:
81 | 64 0.09
Scattered Clouds
Actual:
95 | 79 0.00
Average:
81 | 65 0.09
Partly Cloudy
Actual:
93 | 79 0.00
Average:
81 | 65 0.09
Rain
Actual:
93 | 75 T
Average:
81 | 65 0.10
Thunderstorm
Actual:
85 | 66 0.01
Average:
81 | 65 0.09
Rain
Actual:
72 | 65 T
Average:
81 | 65 0.10
Rain
Actual:
86 | 67 0.01
Average:
81 | 65 0.11
Rain
Actual:
82 | 73 0.17
Average:
82 | 65 0.11
Partly Cloudy
Actual:
74 | 66 0.00
Average:
82 | 65 0.11
Rain
Actual:
72 | 66 T
Average:
82 | 66 0.11
Fog
Actual:
93 | 69 0.00
Average:
82 | 66 0.12
Partly Cloudy
Actual:
92 | 74 0.00
Average:
82 | 66 0.12
Rain
Actual:
93 | 75 0.01
Average:
82 | 66 0.11
Scattered Clouds
Actual:
95 | 73 0.00
Average:
82 | 66 0.12
Partly Cloudy
Actual:
91 | 76 0.00
Average:
82 | 66 0.12
Scattered Clouds
Actual:
99 | 78 0.00
Average:
82 | 66 0.12
Partly Cloudy
Actual:
96 | 79 0.00
Average:
82 | 66 0.11
Partly Cloudy
Actual:
79 | 68 0.01
Average:
82 | 66 0.12
Mostly Cloudy
Actual:
76 | 68 0.00
Average:
82 | 66 0.12
Thunderstorm
Actual:
82 | 68 1.76
Average:
82 | 66 0.12
Partly Cloudy
Actual:
88 | 66 0.00
Average:
82 | 66 0.11
Rain
Actual:
66 | 60 0.27
Average:
82 | 66 0.12
Rain
Actual:
72 | 62 1.00
Average:
82 | 66 0.12
Partly Cloudy
Actual:
84 | 62 0.00
Average:
82 | 66 0.12
Rain
Actual:
75 | 67 0.01
Average:
82 | 66 0.13
Thunderstorm
Actual:
81 | 66 0.33
Average:
82 | 66 0.12
Partly Cloudy
Actual:
84 | 66 0.00
Average:
82 | 66 0.13
Partly Cloudy
Actual:
79 | 68 0.00
Average:
81 | 66 0.13
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 85 78 71 73 71 69 93 79 65 30.09 30.01 29.94 10 10 6 21 9 26 0.03 Rain
2 82 72 61 72 66 59 97 81 65 30.22 30.15 30.08 10 8 2 18 9 22 T Rain
3 91 77 62 71 67 60 100 76 52 30.20 30.17 30.13 10 7 0 22 12 31 0.00 Fog
4 94 85 75 73 71 70 87 67 46 30.20 30.15 30.09 10 10 10 22 12 30 0.00  
5 95 87 79 73 71 68 79 62 44 30.15 30.09 30.03 10 10 10 20 13 33 0.00  
6 93 86 79 72 68 61 79 60 41 30.07 30.03 29.97 10 10 10 18 12 24 0.00  
7 93 84 75 72 66 60 87 65 43 30.02 29.97 29.91 10 10 10 15 8 22 T Rain
8 85 76 66 72 67 63 93 79 65 30.06 29.98 29.91 10 9 6 17 9 21 0.01 Rain , Thunderstorm
9 72 69 65 64 64 63 93 87 81 30.11 30.08 30.05 10 6 0 12 6 15 T Rain
10 86 77 67 73 69 64 100 81 61 30.08 29.94 29.80 10 5 0 24 10 28 0.01 Fog , Rain
11 82 78 73 72 70 68 93 81 69 29.92 29.83 29.78 10 9 4 16 8 21 0.17 Rain
12 74 70 66 69 60 57 90 76 61 30.20 30.09 29.93 10 10 10 22 13 26 0.00  
13 72 69 66 67 64 61 93 86 78 30.32 30.28 30.20 10 10 7 12 6 14 T Rain
14 93 81 69 74 70 66 100 74 47 30.30 30.26 30.20 10 6 0 14 5 24 0.00 Fog
15 92 83 74 73 69 65 88 68 47 30.19 30.15 30.09 10 10 10 15 7 16 0.00  
16 93 84 75 70 67 63 82 62 41 30.17 30.13 30.10 10 10 6 14 6 17 0.01 Rain
17 95 84 73 71 69 67 87 67 47 30.18 30.10 29.99 10 10 9 20 8 24 0.00  
18 91 84 76 73 70 66 87 70 52 30.01 29.98 29.95 10 10 10 18 10 22 0.00  
19 99 89 78 76 72 68 85 62 38 29.93 29.82 29.71 10 9 7 26 15 37 0.00  
20 96 88 79 74 70 60 79 60 40 29.80 29.71 29.64 10 9 6 23 13 29 0.00  
21 79 74 68 67 63 60 90 72 54 29.99 29.93 29.82 10 10 10 15 9 18 0.01  
22 76 72 68 68 66 64 90 80 69 30.02 29.97 29.89 10 9 1 14 7 17 0.00  
23 82 75 68 73 70 66 100 90 79 29.88 29.65 29.55 10 4 0 24 6 35 1.76 Fog , Rain , Thunderstorm
24 88 77 66 71 65 53 93 69 45 29.95 29.70 29.59 10 10 2 18 9 25 0.00  
25 66 63 60 59 55 48 90 71 52 30.10 30.06 29.96 10 9 2 20 11 23 0.27 Rain
26 72 67 62 66 62 59 93 83 73 30.05 29.97 29.92 10 7 2 17 11 24 1.00 Rain
27 84 73 62 66 62 58 93 70 47 30.05 30.02 29.99 10 10 10 17 9 21 0.00  
28 75 71 67 68 66 64 93 86 79 30.02 30.00 29.98 10 8 1 14 7 16 0.01 Rain
29 81 74 66 70 67 63 100 81 62 30.03 30.01 29.97 10 6 0 21 7 24 0.33 Fog , Rain , Thunderstorm
30 84 75 66 67 59 52 90 62 34 30.09 30.06 30.03 10 9 3 16 8 25 0.00  
31 79 74 68 64 59 55 79 62 45 30.13 30.08 30.04 10 10 10 15 8 18 0.00