Weather History for Williamsport, PA

Change the Weather History Date:

Tuesday, September 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 53 °F 60 °F  
Max Temperature 67 °F 70 °F 89 °F (1970)
Min Temperature 38 °F 49 °F 31 °F (1963)
Degree Days  
Heating Degree Days 12 6  
Month to date heating degree days 70 78  
Since 1 July heating degree days 71 92  
Cooling Degree Days 0 1  
Month to date cooling degree days 68 59  
Year to date cooling degree days 946 693  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 42 °F    
Average Humidity 82    
Maximum Humidity 100    
Minimum Humidity 34    
Precipitation  
Precipitation 0.03 in 0.14 in 3.96 in (1975)
Month to date precipitation 2.91 3.48  
Year to date precipitation 25.57 30.51  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 3 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 7 miles    
Events Fog , Rain    
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. 25, 2012 Rise Set
Actual Time 6:58 AM EDT 6:58 PM EDT
Civil Twilight 6:31 AM EDT 7:26 PM EDT
Nautical Twilight 5:59 AM EDT 7:58 PM EDT
Astronomical Twilight 5:26 AM EDT 8:31 PM EDT
Moon 4:24 PM EDT (9/25) 2:15 AM EDT (9/25)
Length of Visible Light 12h 55m
Length of Day
12h 00m
Waxing Gibbous, 80% of the Moon is Illuminated
Sep 25
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 43.0 °F - 39.9 °F 89% 30.12 in 10.0 mi Calm Calm - N/A   Clear
1:21 AM 42.8 °F - 39.2 °F 87% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:54 AM 42.1 °F - 39.0 °F 89% 30.14 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 41.0 °F - 39.0 °F 93% 30.14 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 39.9 °F - 37.0 °F 89% 30.13 in 10.0 mi Calm Calm - N/A   Clear
4:24 AM 39.2 °F - 37.4 °F 93% 30.12 in 4.0 mi Calm Calm - N/A   Scattered Clouds
4:29 AM 39.2 °F - 37.4 °F 93% 30.12 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
4:38 AM 39.2 °F - 37.4 °F 93% 30.12 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
4:54 AM 39.0 °F - 36.0 °F 89% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:04 AM 39.2 °F - 37.4 °F 93% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:29 AM 37.4 °F - 37.4 °F 100% 30.14 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
5:37 AM 39.2 °F - 37.4 °F 93% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:54 AM 39.9 °F - 37.9 °F 93% 30.14 in 3.0 mi Calm Calm - N/A   Overcast
6:00 AM 39.2 °F - 39.2 °F 100% 30.13 in 1.8 mi Calm Calm - N/A   Overcast
6:16 AM 41.0 °F - 39.2 °F 93% 30.14 in 0.5 mi Calm Calm - N/A Fog Fog
6:24 AM 41.0 °F - 39.2 °F 93% 30.14 in 0.2 mi Calm Calm - N/A Fog Fog
6:54 AM 41.0 °F - 39.9 °F 96% 30.15 in 0.2 mi Calm Calm - N/A Fog Fog
7:54 AM 41.0 °F 39.0 °F 39.9 °F 96% 30.18 in 0.2 mi North 3.5 mph - N/A Fog Fog
8:54 AM 42.1 °F - 41.0 °F 96% 30.19 in 0.2 mi Calm Calm - N/A Fog Fog
9:26 AM 42.8 °F - 41.0 °F 93% 30.18 in 0.8 mi Calm Calm - N/A   Overcast
9:37 AM 42.8 °F - 42.8 °F 100% 30.17 in 1.0 mi Calm Calm - N/A   Overcast
9:54 AM 43.0 °F - 42.1 °F 97% 30.18 in 0.8 mi Calm Calm - N/A   Overcast
10:02 AM 42.8 °F - 42.8 °F 100% 30.17 in 1.5 mi Calm Calm - N/A   Overcast
10:13 AM 44.6 °F - 42.8 °F 93% 30.16 in 3.0 mi Calm Calm - N/A   Overcast
10:22 AM 44.6 °F - 42.8 °F 93% 30.15 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
10:35 AM 44.6 °F - 42.8 °F 93% 30.15 in 5.0 mi Calm Calm - N/A   Scattered Clouds
10:54 AM 48.9 °F - 45.0 °F 86% 30.16 in 9.0 mi SW 3.5 mph - N/A   Clear
11:01 AM 50.0 °F - 44.6 °F 82% 30.15 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:54 AM 57.9 °F - 45.0 °F 62% 30.14 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 64.9 °F - 46.0 °F 50% 30.14 in 10.0 mi Variable 5.8 mph - N/A   Clear
1:54 PM 66.9 °F - 45.0 °F 45% 30.11 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy
2:54 PM 66.2 °F - 42.8 °F 43% 30.10 in 10.0 mi South 10.4 mph 18.4 mph N/A   Scattered Clouds
3:54 PM 64.0 °F - 45.0 °F 50% 30.10 in 10.0 mi Variable 4.6 mph - 0.00 in Rain Light Rain
4:54 PM 64.9 °F - 45.0 °F 48% 30.09 in 10.0 mi Variable 4.6 mph - 0.00 in   Mostly Cloudy
5:54 PM 64.0 °F - 46.0 °F 52% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
6:54 PM 63.0 °F - 46.0 °F 54% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
7:54 PM 60.1 °F - 50.0 °F 69% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
8:54 PM 60.1 °F - 48.9 °F 67% 30.06 in 10.0 mi East 5.8 mph - N/A   Overcast
9:54 PM 60.1 °F - 52.0 °F 75% 30.07 in 9.0 mi NE 4.6 mph - 0.01 in Rain Light Rain
10:54 PM 57.0 °F - 54.0 °F 89% 30.07 in 10.0 mi East 5.8 mph - 0.00 in   Overcast
11:54 PM 57.0 °F - 53.1 °F 87% 30.06 in 10.0 mi East 5.8 mph - 0.01 in Rain Light Rain