Weather History for Allentown, PA

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 79 °F 69 °F
Mean Temperature 78 °F 70 °F 62 °F
Min Temperature 71 °F 61 °F 53 °F
Degree Days  
Heating Degree Days (base 65) 3 0 0 3
Cooling Degree Days (base 65) 14 5 0 145
Growing Degree Days (base 50) 28 20 12 545
Dew Point  
Dew Point 72 °F 59 °F 45 °F
Precipitation  
Precipitation 0.47 in 0.06 in 0.00 in 1.55 in
Snowdepth - - - -
Wind  
Wind 17 mph 3 mph 0 mph
Gust Wind 26 mph 18 mph 12 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 30.05 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 30, 2014 Rise Set
Actual Time 6:27 AM EDT 7:37 PM EDT
Civil Twilight 5:58 AM EDT 8:05 PM EDT
Nautical Twilight 5:25 AM EDT 8:38 PM EDT
Astronomical Twilight 4:50 AM EDT 9:13 PM EDT
Moon 11:13 AM EDT (8/30) 10:08 PM EDT (8/30)
Length of Visible Light 14h 06m
Length of Day
13h 10m
Waxing Crescent, 23% of the Moon is Illuminated
Aug 30
Waxing Crescent
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 24
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
82 | 64 0.09
Average:
- | - -
Rain
Actual:
78 | 68 0.00
Average:
- | - -
Mostly Cloudy
Actual:
69 | 64 0.00
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Clear
Actual:
- | - -
Average:
- | - -
Scattered Clouds
Actual:
80 | 62 0.00
Average:
- | - -
Scattered Clouds
Actual:
82 | 57 0.00
Average:
- | - -
Scattered Clouds
Actual:
84 | 59 0.00
Average:
- | - -
Scattered Clouds
Actual:
86 | 62 0.00
Average:
- | - -
Rain
Actual:
73 | 68 0.34
Average:
- | - -
Thunderstorm
Actual:
80 | 68 0.47
Average:
- | - -
Scattered Clouds
Actual:
77 | 57 0.00
Average:
- | - -
Partly Cloudy
Actual:
71 | 53 0.00
Average:
- | - -
Clear
Actual:
77 | 53 0.00
Average:
- | - -
Rain
Actual:
78 | 60 0.03
Average:
- | - -
Scattered Clouds
Actual:
80 | 55 0.00
Average:
- | - -
Scattered Clouds
Actual:
82 | 55 0.00
Average:
- | - -
Rain
Actual:
84 | 66 0.03
Average:
- | - -
Thunderstorm
Actual:
82 | 66 0.04
Average:
- | - -
Thunderstorm
Actual:
77 | 64 0.08
Average:
- | - -
Rain
Actual:
71 | 62 0.23
Average:
- | - -
Fog
Actual:
80 | 60 0.00
Average:
- | - -
Scattered Clouds
Actual:
82 | 57 0.00
Average:
- | - -
Clear
Actual:
86 | 60 0.00
Average:
- | - -
Rain
Actual:
87 | 62 0.00
Average:
- | - -
Scattered Clouds
Actual:
77 | 60 0.00
Average:
- | - -
Clear
Actual:
77 | 53 0.00
Average:
- | - -
Partly Cloudy
Actual:
77 | 57 0.00
Average:
- | - -
Rain
Actual:
86 | 71 0.24
Average:
- | - -
 

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 82 73 64 68 65 61 94 81 54 30.22 30.19 30.16 10 8 4 17 2 26 0.09 Rain , Thunderstorm
2 78 73 68 66 63 59 94 74 57 30.21 30.15 30.09 10 8 2 9 4 - 0.00 Rain
3 69 66 64 64 63 63 94 87 78 30.14 30.13 30.12 10 9 7 5 2 - 0.00  
4 - - - - - - - - - - - - - - - - - - -  
5 - - - - - - - - - - - - - - - - - - -  
6 - - - - - - - - - - - - - - - - - - -  
7 - - - - - - - - - - - - - - - - - - -  
8 80 72 62 59 54 50 88 50 34 30.12 30.09 30.07 10 10 10 10 3 - 0.00  
9 82 70 57 59 55 50 94 62 32 30.17 30.13 30.09 10 10 7 8 2 - 0.00  
10 84 72 59 63 56 50 94 61 30 30.18 30.14 30.10 10 10 10 9 1 - 0.00  
11 86 74 62 61 57 50 88 59 29 30.16 30.13 30.08 10 10 10 15 3 - 0.00  
12 73 70 68 70 66 61 94 84 73 30.02 29.95 29.83 10 9 4 17 9 23 0.34 Rain
13 80 74 68 68 65 59 94 76 51 29.84 29.77 29.73 10 10 2 16 5 25 0.47 Rain , Thunderstorm
14 77 67 57 57 52 48 82 61 41 29.94 29.89 29.85 10 10 7 12 5 17 0.00  
15 71 62 53 55 49 46 88 62 41 30.01 29.97 29.94 10 10 10 12 4 21 0.00  
16 77 65 53 55 52 46 94 65 34 30.04 30.00 29.94 10 10 10 13 3 - 0.00  
17 78 69 60 64 57 54 94 67 44 29.95 29.91 29.88 10 10 7 12 3 17 0.03 Rain
18 80 68 55 61 56 52 94 67 42 29.96 29.91 29.85 10 10 10 9 2 - 0.00  
19 82 68 55 63 57 52 94 64 39 29.94 29.91 29.89 10 10 10 9 1 - 0.00  
20 84 75 66 64 63 61 88 67 45 30.04 29.99 29.94 10 10 2 9 3 - 0.03 Rain
21 82 74 66 70 66 63 94 76 62 30.08 30.03 29.98 10 10 5 9 4 20 0.04 Rain , Thunderstorm
22 77 70 64 66 64 59 100 81 65 30.07 30.03 30.00 10 9 2 16 5 16 0.08 Rain , Thunderstorm
23 71 66 62 63 62 61 94 86 73 30.15 30.10 30.04 10 9 4 12 4 - 0.23 Rain
24 80 70 60 63 58 52 100 71 37 30.19 30.16 30.12 10 8 0 9 2 17 0.00 Fog
25 82 70 57 63 59 55 94 70 39 30.22 30.18 30.15 10 10 10 7 1 - 0.00  
26 86 73 60 64 60 57 94 68 37 30.21 30.15 30.09 10 9 5 8 1 - 0.00  
27 87 74 62 70 64 61 94 68 40 30.10 30.01 29.90 10 10 2 12 4 - 0.00 Rain
28 77 70 60 70 52 45 83 54 34 30.13 29.99 29.91 10 10 10 16 8 25 0.00  
29 77 65 53 57 50 46 88 59 36 30.25 30.19 30.13 10 10 10 10 2 - 0.00  
30 77 67 57 63 59 54 94 73 57 30.29 30.23 30.16 10 10 10 12 5 - 0.00  
31 86 78 71 72 69 61 94 80 58 30.16 30.07 29.99 10 9 3 15 5 16 0.24 Rain