Weather History for Allentown, PA

Change the Weather History Date:

Monday, August 25, 2014

  Actual Average Record
Temperature  
Mean Temperature 71 °F 70 °F  
Max Temperature 86 °F 81 °F 95 °F (1948)
Min Temperature 55 °F 60 °F 42 °F (1927)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 4 0  
Since 1 June heating degree days 8 36  
Since 1 July heating degree days 4 3  
Cooling Degree Days 6 6  
Month to date cooling degree days 149 182  
Year to date cooling degree days 649 647  
Since 1 June cooling degree days 610 602  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 70    
Maximum Humidity 100    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.11 in 1.30 in (1967)
Month to date precipitation 1.85 3.08  
Year to date precipitation 33.87 29.16  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 2 mph (NNW)    
Max Wind Speed 8 mph    
Max Gust Speed 13 mph    
Visibility 9 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Aug. 25, 2014 Rise Set
Actual Time 6:22 AM EDT 7:44 PM EDT
Civil Twilight 5:53 AM EDT 8:13 PM EDT
Nautical Twilight 5:19 AM EDT 8:47 PM EDT
Astronomical Twilight 4:42 AM EDT 9:23 PM EDT
Moon 6:25 AM EDT (8/25) 7:33 PM EDT (8/25)
Length of Visible Light 14h 19m
Length of Day
13h 22m
New Moon, 0% of the Moon is Illuminated
Aug 25
New Moon
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 24
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 63.0 °F - 57.9 °F 84% 30.17 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 61.0 °F - 57.9 °F 90% 30.17 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:51 AM 60.1 °F - 57.0 °F 90% 30.17 in 10.0 mi NW 3.5 mph - N/A   Clear
3:51 AM 59.0 °F - 55.9 °F 90% 30.17 in 9.0 mi NW 3.5 mph - N/A   Clear
4:51 AM 59.0 °F - 57.0 °F 93% 30.16 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 55.4 °F - 53.6 °F 94% 30.17 in 1.8 mi Calm Calm - N/A   Clear
5:17 AM 57.2 °F - 53.6 °F 88% 30.17 in 6.0 mi Calm Calm - N/A   Clear
5:51 AM 57.0 °F - 55.0 °F 93% 30.18 in 6.0 mi Calm Calm - N/A   Clear
6:51 AM 55.9 °F - 55.0 °F 97% 30.19 in 6.0 mi Calm Calm - N/A   Clear
7:24 AM 57.2 °F - 55.4 °F 94% 30.20 in 0.5 mi Calm Calm - N/A Fog Fog
7:34 AM 59.0 °F - 55.4 °F 88% 30.20 in 9.0 mi Calm Calm - N/A   Partly Cloudy
7:51 AM 60.1 °F - 57.0 °F 90% 30.20 in 10.0 mi Calm Calm - N/A   Clear
7:58 AM 60.8 °F - 57.2 °F 88% 30.21 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
8:51 AM 66.0 °F - 60.1 °F 81% 30.21 in 10.0 mi Calm Calm - N/A   Clear
9:51 AM 72.0 °F - 61.0 °F 68% 30.21 in 10.0 mi NE 4.6 mph - N/A   Clear
10:51 AM 75.9 °F - 61.0 °F 60% 30.21 in 10.0 mi Calm Calm - N/A   Clear
11:51 AM 79.0 °F - 57.0 °F 47% 30.20 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:51 PM 81.0 °F 81.1 °F 57.9 °F 45% 30.19 in 10.0 mi Calm Calm - N/A   Clear
1:51 PM 82.4 °F 82.0 °F 57.2 °F 42% 30.18 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
2:51 PM 84.9 °F 84.4 °F 59.0 °F 41% 30.15 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:51 PM 84.0 °F 83.5 °F 57.9 °F 41% 30.15 in 10.0 mi SSW 3.5 mph - N/A   Clear
4:51 PM 84.0 °F 83.3 °F 57.0 °F 40% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:51 PM 78.1 °F - 62.1 °F 58% 30.14 in 10.0 mi Calm Calm - N/A   Clear
6:51 PM 78.1 °F - 61.0 °F 56% 30.14 in 10.0 mi NW 3.5 mph - N/A   Clear
7:51 PM 75.9 °F - 60.1 °F 58% 30.14 in 10.0 mi Calm Calm - N/A   Clear
8:51 PM 72.0 °F - 62.1 °F 71% 30.15 in 10.0 mi Calm Calm - N/A   Clear
9:51 PM 73.0 °F - 62.1 °F 68% 30.14 in 10.0 mi Calm Calm - N/A   Clear
10:51 PM 66.9 °F - 62.1 °F 84% 30.15 in 9.0 mi NW 3.5 mph - N/A   Clear
11:51 PM 64.9 °F - 62.1 °F 90% 30.14 in 10.0 mi Calm Calm - N/A   Clear