Weather History for Chicago, IL

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 82 °F 70 °F
Mean Temperature 80 °F 74 °F 65 °F
Min Temperature 72 °F 65 °F 52 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 15 9 0 277
Growing Degree Days (base 50) 30 24 15 735
Dew Point  
Dew Point 76 °F 61 °F 42 °F
Precipitation  
Precipitation 2.76 in 0.26 in 0.00 in 7.30 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 8 mph 0 mph
Gust Wind 37 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.16 in 29.99 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 11, 2014 Rise Set
Actual Time 5:55 AM CDT 7:57 PM CDT
Civil Twilight 5:24 AM CDT 8:28 PM CDT
Nautical Twilight 4:47 AM CDT 9:05 PM CDT
Astronomical Twilight 4:06 AM CDT 9:45 PM CDT
Moon 8:23 PM CDT (8/11) 7:02 AM CDT (8/11)
Length of Visible Light 15h 03m
Length of Day
14h 02m
Full, 99% of the Moon is Illuminated
Aug 11
Full
Aug 17
Last Quarter
Aug 25
New
Sep 2
First Quarter
Sep 8
Full

Weather History Calendar

Precipitation Actual month total 7.30 Normal Month Total: 4.90
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
85 | 62 0.15
Average:
83 | 64 0.17
Scattered Clouds
Actual:
86 | 59 0.00
Average:
83 | 64 0.16
Partly Cloudy
Actual:
87 | 62 0.00
Average:
83 | 64 0.16
Thunderstorm
Actual:
87 | 67 2.76
Average:
83 | 64 0.16
Rain
Actual:
80 | 64 T
Average:
83 | 64 0.16
Partly Cloudy
Actual:
80 | 62 0.00
Average:
83 | 64 0.16
Partly Cloudy
Actual:
81 | 61 0.00
Average:
83 | 64 0.15
Partly Cloudy
Actual:
82 | 66 0.00
Average:
83 | 64 0.16
Partly Cloudy
Actual:
80 | 66 0.00
Average:
83 | 64 0.17
Mostly Cloudy
Actual:
81 | 69 0.00
Average:
83 | 64 0.16
Thunderstorm
Actual:
82 | 67 0.85
Average:
82 | 64 0.17
Rain
Actual:
70 | 61 0.07
Average:
82 | 64 0.17
Partly Cloudy
Actual:
82 | 57 0.00
Average:
82 | 64 0.17
Partly Cloudy
Actual:
72 | 57 0.00
Average:
82 | 63 0.17
Scattered Clouds
Actual:
78 | 52 0.00
Average:
82 | 63 0.18
Partly Cloudy
Actual:
82 | 62 0.00
Average:
82 | 63 0.17
Mostly Cloudy
Actual:
71 | 64 T
Average:
82 | 63 0.17
Partly Cloudy
Actual:
83 | 65 0.00
Average:
82 | 63 0.17
Thunderstorm
Actual:
86 | 69 0.09
Average:
82 | 63 0.16
Partly Cloudy
Actual:
86 | 66 0.00
Average:
82 | 63 0.16
Thunderstorm
Actual:
79 | 70 0.98
Average:
82 | 63 0.15
Thunderstorm
Actual:
86 | 72 1.58
Average:
82 | 63 0.15
Thunderstorm
Actual:
86 | 68 0.34
Average:
81 | 62 0.15
Partly Cloudy
Actual:
88 | 70 0.00
Average:
81 | 62 0.15
Thunderstorm
Actual:
88 | 71 0.01
Average:
81 | 62 0.15
Thunderstorm
Actual:
85 | 71 0.12
Average:
81 | 62 0.15
Partly Cloudy
Actual:
82 | 67 0.00
Average:
81 | 62 0.14
Rain
Actual:
77 | 67 T
Average:
81 | 61 0.15
Thunderstorm
Actual:
86 | 71 0.08
Average:
80 | 61 0.13
Rain
Actual:
83 | 70 0.27
Average:
80 | 61 0.14
Partly Cloudy
Actual:
85 | 68 0.00
Average:
80 | 61 0.14
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 85 74 62 61 57 53 84 62 39 30.12 30.06 30.03 10 10 9 25 7 30 0.15 Rain , Thunderstorm
2 86 73 59 55 53 50 78 55 32 30.16 30.11 30.07 10 10 10 14 4 16 0.00  
3 87 75 62 61 57 53 68 53 37 30.15 30.10 30.05 10 10 10 15 7 19 0.00  
4 87 77 67 64 61 57 87 65 43 30.11 30.06 30.02 10 8 2 22 8 24 2.76 Rain , Thunderstorm
5 80 72 64 64 62 59 87 72 56 30.07 30.04 30.00 10 8 4 15 6 17 T Rain
6 80 71 62 59 54 48 84 60 35 30.08 30.05 30.02 10 10 10 10 6 - 0.00  
7 81 71 61 61 55 50 84 60 36 30.10 30.07 30.04 10 10 10 15 9 - 0.00  
8 82 74 66 61 57 52 81 59 36 30.09 30.06 30.04 10 10 10 21 11 25 0.00  
9 80 73 66 61 57 53 73 58 42 30.11 30.07 30.04 10 10 10 18 9 22 0.00  
10 81 75 69 63 59 52 73 61 49 30.06 30.02 29.95 10 10 10 16 9 19 0.00  
11 82 75 67 65 63 59 87 71 54 29.97 29.87 29.76 10 8 3 17 7 21 0.85 Rain , Thunderstorm
12 70 66 61 63 57 52 78 68 57 29.96 29.84 29.74 10 10 8 25 12 31 0.07 Rain
13 82 70 57 60 55 49 77 61 45 30.02 29.99 29.96 10 10 10 18 9 24 0.00  
14 72 65 57 56 49 42 78 59 40 30.12 30.08 30.03 10 10 10 14 8 19 0.00  
15 78 65 52 55 49 45 72 53 33 30.09 30.03 29.96 10 10 10 13 6 17 0.00  
16 82 72 62 64 61 55 78 68 58 29.94 29.91 29.88 10 10 9 16 8 19 0.00  
17 71 68 64 63 61 59 93 81 68 29.99 29.96 29.91 10 7 2 15 9 19 T  
18 83 74 65 65 62 59 87 69 51 29.94 29.87 29.78 10 9 3 14 5 17 0.00  
19 86 78 69 68 65 61 84 64 44 29.78 29.72 29.68 10 10 5 24 11 32 0.09 Rain , Thunderstorm
20 86 76 66 67 63 60 81 65 48 29.95 29.86 29.77 10 10 10 17 8 22 0.00  
21 79 75 70 71 68 64 87 80 73 29.98 29.94 29.88 10 8 1 14 5 17 0.98 Rain , Thunderstorm
22 86 79 72 74 71 68 87 72 57 29.98 29.92 29.88 10 8 2 15 5 20 1.58 Rain , Thunderstorm
23 86 77 68 74 69 64 93 82 70 30.07 29.98 29.88 10 6 1 29 5 36 0.34 Rain , Thunderstorm
24 88 79 70 72 68 66 90 73 55 30.02 29.98 29.94 10 10 9 12 7 17 0.00  
25 88 80 71 76 70 64 94 75 55 30.05 30.00 29.94 10 9 3 24 7 30 0.01 Rain , Thunderstorm
26 85 78 71 67 65 63 79 65 51 30.15 30.07 30.00 10 10 1 31 6 37 0.12 Rain , Thunderstorm
27 82 75 67 63 60 57 81 63 45 30.14 30.12 30.09 10 10 10 15 7 18 0.00  
28 77 72 67 63 56 52 78 59 40 30.14 30.09 30.02 10 10 10 17 9 19 T Rain
29 86 79 71 70 67 63 84 71 57 30.00 29.93 29.85 10 10 10 18 11 23 0.08 Rain , Thunderstorm
30 83 77 70 68 65 63 84 69 54 29.91 29.84 29.82 10 10 1 25 12 32 0.27 Rain
31 85 77 68 69 65 61 97 72 47 29.95 29.91 29.84 10 8 1 14 7 18 0.00