Weather History for Williamsport, PA

Change the Weather History Date:

Sunday, September 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 64 °F 66 °F  
Max Temperature 73 °F 76 °F 95 °F (2002)
Min Temperature 54 °F 56 °F 41 °F (1938)
Degree Days  
Heating Degree Days 1 2  
Month to date heating degree days 1 13  
Since 1 July heating degree days 2 27  
Cooling Degree Days 0 3  
Month to date cooling degree days 63 32  
Year to date cooling degree days 941 666  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 51    
Precipitation  
Precipitation T in 0.14 in 1.67 in (1911)
Month to date precipitation 0.69 1.22  
Year to date precipitation 23.35 28.25  
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 25 mph    
Visibility 7 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

Sep. 09, 2012 Rise Set
Actual Time 6:42 AM EDT 7:26 PM EDT
Civil Twilight 6:14 AM EDT 7:54 PM EDT
Nautical Twilight 5:41 AM EDT 8:27 PM EDT
Astronomical Twilight 5:07 AM EDT 9:01 PM EDT
Moon 12:07 AM EDT (9/9) 3:12 PM EDT (9/9)
Length of Visible Light 13h 39m
Length of Day
12h 43m
Last Quarter, 39% of the Moon is Illuminated
Sep 9
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:26 AM 57.2 °F 55.4 °F 94% 29.83 in 2.0 mi Calm Calm - N/A   Scattered Clouds
12:35 AM 57.2 °F 57.2 °F 100% 29.83 in 6.0 mi NNW 3.5 mph - N/A   Partly Cloudy
12:54 AM 57.0 °F 55.9 °F 96% 29.83 in 9.0 mi NNW 4.6 mph - N/A   Clear
1:06 AM 57.2 °F 55.4 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:54 AM 55.9 °F 55.0 °F 97% 29.83 in 5.0 mi Calm Calm - N/A   Clear
2:29 AM 55.4 °F 55.4 °F 100% 29.83 in 7.0 mi Calm Calm - N/A   Scattered Clouds
2:33 AM 55.4 °F 55.4 °F 100% 29.83 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
2:42 AM 55.4 °F 55.4 °F 100% 29.83 in 1.8 mi Calm Calm - N/A   Mostly Cloudy
2:46 AM 55.4 °F 55.4 °F 100% 29.83 in 3.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
2:54 AM 55.0 °F 54.0 °F 96% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:54 AM 55.9 °F 54.0 °F 93% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
4:54 AM 55.9 °F 55.0 °F 97% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
5:08 AM 57.2 °F 55.4 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
5:30 AM 55.4 °F 53.6 °F 94% 29.85 in 1.8 mi North 3.5 mph - N/A   Overcast
5:39 AM 55.4 °F 53.6 °F 94% 29.85 in 0.5 mi Calm Calm - N/A Fog Fog
5:51 AM 53.6 °F 53.6 °F 100% 29.85 in 2.0 mi Calm Calm - N/A   Overcast
5:54 AM 54.0 °F 54.0 °F 100% 29.85 in 1.2 mi Calm Calm - N/A   Overcast
6:00 AM 53.6 °F 53.6 °F 100% 29.85 in 0.5 mi Calm Calm - N/A Fog Fog
6:21 AM 53.6 °F 53.6 °F 100% 29.86 in 2.0 mi Calm Calm - N/A   Overcast
6:54 AM 54.0 °F 53.1 °F 97% 29.87 in 2.0 mi NW 4.6 mph - N/A   Mostly Cloudy
7:54 AM 55.9 °F 55.0 °F 97% 29.88 in 2.0 mi WNW 5.8 mph - N/A   Overcast
8:54 AM 57.9 °F 55.0 °F 90% 29.89 in 5.0 mi West 5.8 mph - N/A   Overcast
9:02 AM 57.2 °F 55.4 °F 94% 29.90 in 5.0 mi NW 9.2 mph - N/A   Overcast
9:54 AM 59.0 °F 55.0 °F 87% 29.91 in 10.0 mi NW 3.5 mph - N/A   Overcast
10:54 AM 61.0 °F 55.0 °F 81% 29.92 in 10.0 mi WNW 5.8 mph - N/A   Overcast
11:11 AM 60.8 °F 55.4 °F 82% 29.92 in 10.0 mi West 9.2 mph - N/A   Overcast
11:54 AM 63.0 °F 55.0 °F 75% 29.91 in 10.0 mi West 8.1 mph - N/A   Overcast
12:45 PM 64.4 °F 55.4 °F 73% 29.91 in 10.0 mi WSW 10.4 mph - N/A   Overcast
12:54 PM 64.9 °F 55.9 °F 73% 29.90 in 10.0 mi West 10.4 mph - N/A   Overcast
1:54 PM 68.0 °F 54.0 °F 61% 29.89 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
2:54 PM 71.1 °F 55.0 °F 57% 29.86 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
3:54 PM 70.0 °F 50.0 °F 49% 29.86 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
4:54 PM 66.9 °F 53.1 °F 61% 29.86 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
5:54 PM 66.9 °F 52.0 °F 59% 29.88 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
6:54 PM 62.1 °F 55.9 °F 80% 29.91 in 10.0 mi WNW 5.8 mph - 0.00 in   Overcast
7:54 PM 60.1 °F 55.9 °F 86% 29.92 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 PM 60.1 °F 55.0 °F 83% 29.94 in 10.0 mi West 6.9 mph - N/A   Clear
9:54 PM 60.1 °F 55.9 °F 86% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:54 PM 60.1 °F 55.9 °F 86% 29.97 in 10.0 mi West 4.6 mph - N/A   Overcast
11:54 PM 57.0 °F 55.0 °F 93% 29.99 in 10.0 mi NW 4.6 mph - N/A   Clear