Weather History for Pittsburgh, PA

Change the Weather History Date:

Thursday, September 15, 2011

  Actual Average Record
Temperature  
Mean Temperature 51 °F 65 °F  
Max Temperature 60 °F 75 °F 92 °F (1897)
Min Temperature 42 °F 54 °F 41 °F (1983)
Degree Days  
Heating Degree Days 14 3  
Month to date heating degree days 22 24  
Since 1 July heating degree days 22 37  
Cooling Degree Days 0 2  
Month to date cooling degree days 84 54  
Year to date cooling degree days 988 706  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 40    
Precipitation  
Precipitation 0.29 in 0.10 in 2.33 in (1911)
Month to date precipitation 1.80 1.62  
Year to date precipitation 31.69 28.33  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 9 mph (NNW)    
Max Wind Speed 25 mph    
Max Gust Speed 30 mph    
Visibility 8 miles    
Events 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. 15, 2011 Rise Set
Actual Time 7:01 AM EDT 7:30 PM EDT
Civil Twilight 6:33 AM EDT 7:57 PM EDT
Nautical Twilight 6:01 AM EDT 8:29 PM EDT
Astronomical Twilight 5:28 AM EDT 9:02 PM EDT
Moon 8:43 PM EDT (9/15) 10:08 AM EDT (9/15)
Length of Visible Light 13h 23m
Length of Day
12h 28m
Waning Gibbous, 91% of the Moon is Illuminated
Sep 15
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 60.1 °F 53.1 °F 78% 30.04 in 8.0 mi NW 8.1 mph - 0.00 in Rain Light Rain
1:51 AM 57.9 °F 53.1 °F 84% 30.04 in 6.0 mi NNW 6.9 mph - 0.07 in Rain Light Rain
2:51 AM 55.9 °F 51.1 °F 84% 30.01 in 5.0 mi North 4.6 mph - 0.04 in Rain Light Rain
3:51 AM 55.0 °F 52.0 °F 89% 30.00 in 8.0 mi NNE 3.5 mph - 0.04 in Rain Light Rain
4:51 AM 55.9 °F 52.0 °F 87% 29.99 in 5.0 mi Calm Calm - 0.03 in Rain Light Rain
5:14 AM 55.4 °F 53.6 °F 94% 29.99 in 3.0 mi Calm Calm - 0.02 in Rain Light Rain
5:35 AM 55.4 °F 53.6 °F 94% 29.99 in 4.0 mi Calm Calm - 0.04 in Rain Light Rain
5:51 AM 55.0 °F 53.1 °F 93% 30.01 in 4.0 mi Calm Calm - 0.05 in Rain Light Rain
6:51 AM 55.4 °F 53.6 °F 94% 29.99 in 4.0 mi West 3.5 mph - N/A Rain Light Rain
7:21 AM 55.4 °F 53.6 °F 94% 30.00 in 3.0 mi NW 5.8 mph - N/A Rain Light Rain
7:51 AM 55.0 °F 53.1 °F 93% 30.01 in 3.0 mi NW 6.9 mph - 0.02 in   Light Drizzle
8:16 AM 55.4 °F 51.8 °F 88% 30.01 in 5.0 mi NNW 16.1 mph - 0.00 in   Light Drizzle
8:51 AM 54.0 °F 51.1 °F 90% 30.04 in 5.0 mi North 12.7 mph - 0.01 in Rain Light Rain
9:51 AM 54.0 °F 50.0 °F 86% 30.06 in 10.0 mi North 13.8 mph 20.7 mph 0.00 in   Overcast
10:18 AM 53.6 °F 50.0 °F 88% 30.06 in 2.5 mi North 11.5 mph - 0.00 in Rain Light Rain
10:22 AM 53.6 °F 50.0 °F 88% 30.06 in 6.0 mi North 17.3 mph 23.0 mph 0.00 in Rain Light Rain
10:51 AM 52.0 °F 48.0 °F 86% 30.12 in 10.0 mi North 16.1 mph 21.9 mph 0.00 in   Overcast
11:23 AM 53.6 °F 48.2 °F 82% 30.11 in 10.0 mi North 10.4 mph - 0.00 in Rain Light Rain
11:51 AM 53.1 °F 46.9 °F 80% 30.14 in 10.0 mi North 17.3 mph 23.0 mph 0.00 in   Light Drizzle
12:27 PM 53.6 °F 44.6 °F 72% 30.13 in 10.0 mi North 17.3 mph - 0.00 in   Overcast
12:51 PM 54.0 °F 43.0 °F 66% 30.17 in 10.0 mi North 16.1 mph 20.7 mph 0.00 in   Overcast
1:51 PM 57.0 °F 39.9 °F 53% 30.17 in 10.0 mi North 16.1 mph 27.6 mph N/A   Mostly Cloudy
2:51 PM 57.9 °F 41.0 °F 53% 30.19 in 10.0 mi NNW 16.1 mph - N/A   Mostly Cloudy
3:51 PM 57.2 °F 41.0 °F 55% 30.18 in 10.0 mi NNW 19.6 mph 29.9 mph N/A   Scattered Clouds
4:51 PM 57.9 °F 35.1 °F 42% 30.21 in 10.0 mi NNW 11.5 mph 23.0 mph N/A   Scattered Clouds
5:51 PM 59.0 °F 36.0 °F 42% 30.22 in 10.0 mi NNW 18.4 mph 26.5 mph N/A   Scattered Clouds
6:51 PM 55.9 °F 36.0 °F 47% 30.25 in 10.0 mi NNW 16.1 mph 25.3 mph N/A   Scattered Clouds
7:51 PM 53.1 °F 35.1 °F 50% 30.26 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
8:51 PM 52.0 °F 36.0 °F 54% 30.29 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
9:51 PM 48.9 °F 37.0 °F 64% 30.31 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
10:51 PM 48.0 °F 37.9 °F 68% 30.32 in 10.0 mi NW 4.6 mph - N/A   Clear
11:51 PM 45.0 °F 39.0 °F 80% 30.33 in 10.0 mi Calm Calm - N/A   Partly Cloudy