Weather History for Portland, ME

Change the Weather History Date:

Tuesday, November 15, 2011

  Actual Average Record
Temperature  
Mean Temperature 54 °F 40 °F  
Max Temperature 64 °F 48 °F 65 °F (1994)
Min Temperature 43 °F 31 °F 16 °F (1971)
Degree Days  
Heating Degree Days 11 25  
Month to date heating degree days 275 347  
Since 1 July heating degree days 799 1071  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 454 359  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 71    
Maximum Humidity 93    
Minimum Humidity 48    
Precipitation  
Precipitation 0.07 in 0.17 in 1.95 in (1871)
Month to date precipitation 1.00 2.52  
Year to date precipitation 46.40 40.82  
Snow  
Snow 0.00 in 0.10 in 1.90 in (1972)
Month to date snowfall 0.0 0.5  
Since 1 July snowfall 5.2 0.5  
Since 1 September snowfall 5.2 0.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.74 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 9 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

Nov. 15, 2011 Rise Set
Actual Time 6:34 AM EST 4:16 PM EST
Civil Twilight 6:03 AM EST 4:47 PM EST
Nautical Twilight 5:29 AM EST 5:21 PM EST
Astronomical Twilight 4:55 AM EST 5:55 PM EST
Moon 8:21 PM EST (11/15) 10:33 AM EST (11/15)
Length of Visible Light 10h 43m
Length of Day
9h 41m
Waning Gibbous, 79% of the Moon is Illuminated
Nov 15
Waning Gibbous
Nov 18
Last Quarter
Nov 25
New
Dec 2
First Quarter
Dec 10
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 53.1 °F - 51.1 °F 93% 29.65 in 4.0 mi South 8.1 mph - 0.12 in Rain Light Rain
1:51 AM 53.1 °F - 51.1 °F 93% 29.61 in 7.0 mi South 11.5 mph 23.0 mph 0.00 in   Clear
2:51 AM 53.6 °F - 51.8 °F 94% 29.60 in 8.0 mi SW 4.6 mph - N/A Rain Light Rain
3:51 AM 53.1 °F - 51.1 °F 93% 29.61 in 8.0 mi WSW 4.6 mph - 0.00 in   Partly Cloudy
4:51 AM 54.0 °F - 51.1 °F 90% 29.60 in 9.0 mi SSW 6.9 mph - N/A   Scattered Clouds
5:51 AM 54.0 °F - 52.0 °F 93% 29.60 in 10.0 mi South 8.1 mph - N/A   Clear
6:51 AM 54.0 °F - 52.0 °F 93% 29.62 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
7:51 AM 55.4 °F - 51.8 °F 88% 29.65 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
8:51 AM 55.9 °F - 52.0 °F 87% 29.66 in 10.0 mi SW 6.9 mph - N/A   Clear
9:51 AM 57.9 °F - 53.1 °F 84% 29.66 in 10.0 mi SW 5.8 mph - N/A   Clear
10:51 AM 59.0 °F - 53.1 °F 81% 29.69 in 10.0 mi SSW 15.0 mph - N/A   Scattered Clouds
11:51 AM 62.1 °F - 53.1 °F 72% 29.69 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
12:51 PM 64.0 °F - 51.1 °F 63% 29.71 in 10.0 mi WSW 12.7 mph - N/A   Scattered Clouds
1:51 PM 63.0 °F - 43.0 °F 48% 29.73 in 10.0 mi West 17.3 mph 21.9 mph N/A   Partly Cloudy
2:51 PM 62.1 °F - 43.0 °F 50% 29.78 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
3:51 PM 60.1 °F - 42.1 °F 51% 29.79 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
4:51 PM 57.9 °F - 42.1 °F 56% 29.83 in 10.0 mi WSW 6.9 mph - N/A   Clear
5:51 PM 55.9 °F - 42.1 °F 60% 29.84 in 10.0 mi WSW 5.8 mph - N/A   Clear
6:51 PM 51.1 °F - 42.1 °F 71% 29.87 in 10.0 mi NW 3.5 mph - N/A   Clear
7:51 PM 50.0 °F - 42.1 °F 74% 29.89 in 10.0 mi Calm Calm - N/A   Clear
8:51 PM 50.0 °F - 42.1 °F 74% 29.91 in 10.0 mi Calm Calm - N/A   Clear
9:51 PM 48.0 °F - 41.0 °F 77% 29.91 in 10.0 mi Calm Calm - N/A   Clear
10:51 PM 48.0 °F - 39.9 °F 74% 29.93 in 10.0 mi West 6.9 mph - N/A   Clear
11:51 PM 44.1 °F 40.1 °F 39.0 °F 82% 29.94 in 10.0 mi SSW 6.9 mph - N/A   Clear