Weather History for Portland, ME

Change the Weather History Date:

Thursday, October 27, 2011

  Actual Average Record
Temperature  
Mean Temperature 41 °F 45 °F  
Max Temperature 46 °F 55 °F 81 °F (1963)
Min Temperature 35 °F 36 °F 20 °F (1976)
Degree Days  
Heating Degree Days 24 20  
Month to date heating degree days 307 421  
Since 1 July heating degree days 412 642  
Cooling Degree Days 0 0  
Month to date cooling degree days 5 0  
Year to date cooling degree days 454 358  
Moisture  
Dew Point 35 °F    
Average Humidity 84    
Maximum Humidity 92    
Minimum Humidity 76    
Precipitation  
Precipitation 0.39 in 0.16 in 1.96 in (1943)
Month to date precipitation 5.64 4.23  
Year to date precipitation 44.40 37.66  
Snow  
Snow T in 0.00 in T in (2011)
Month to date snowfall T 0.0  
Since 1 July snowfall T 0.0  
Since 1 September snowfall T 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.79 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 17 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

Oct. 27, 2011 Rise Set
Actual Time 7:10 AM EDT 5:39 PM EDT
Civil Twilight 6:40 AM EDT 6:08 PM EDT
Nautical Twilight 6:06 AM EDT 6:42 PM EDT
Astronomical Twilight 5:33 AM EDT 7:15 PM EDT
Moon 8:12 AM EDT (10/27) 6:01 PM EDT (10/27)
Length of Visible Light 11h 28m
Length of Day
10h 29m
New Moon, 1% of the Moon is Illuminated
Oct 27
New Moon
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter
Nov 25
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 46.0 °F 43.1 °F 39.0 °F 76% 29.77 in 10.0 mi WNW 5.8 mph - N/A   Overcast
1:51 AM 46.0 °F 43.1 °F 36.0 °F 68% 29.77 in 10.0 mi Variable 5.8 mph - 0.00 in Rain Light Rain
2:51 AM 45.0 °F 42.6 °F 35.1 °F 68% 29.78 in 10.0 mi Variable 4.6 mph - 0.00 in Rain Light Rain
3:51 AM 43.0 °F 38.8 °F 36.0 °F 76% 29.78 in 10.0 mi NW 6.9 mph - 0.00 in Rain Light Rain
4:51 AM 41.0 °F 38.0 °F 37.0 °F 86% 29.81 in 7.0 mi Variable 4.6 mph - 0.03 in Rain Light Rain
5:51 AM 39.9 °F 37.8 °F 37.0 °F 89% 29.81 in 10.0 mi Variable 3.5 mph - 0.02 in Rain Light Rain
6:51 AM 39.0 °F 34.8 °F 36.0 °F 89% 29.80 in 10.0 mi NNW 5.8 mph - 0.03 in Rain Light Rain
7:10 AM 39.2 °F 35.9 °F 35.6 °F 87% 29.80 in 9.0 mi Variable 4.6 mph - 0.01 in Rain Light Rain
7:51 AM 39.0 °F 34.8 °F 36.0 °F 89% 29.81 in 7.0 mi Variable 5.8 mph - 0.03 in Rain Light Rain
8:51 AM 37.9 °F 33.5 °F 36.0 °F 93% 29.82 in 10.0 mi Variable 5.8 mph - 0.01 in Rain Light Rain
9:51 AM 39.0 °F 34.0 °F 36.0 °F 89% 29.83 in 8.0 mi NW 6.9 mph - 0.02 in Rain Light Rain
10:51 AM 39.0 °F 34.8 °F 36.0 °F 89% 29.82 in 10.0 mi NW 5.8 mph - 0.01 in Rain Light Rain
11:51 AM 39.0 °F 34.8 °F 36.0 °F 89% 29.79 in 10.0 mi Variable 5.8 mph - 0.01 in Rain Light Rain
12:51 PM 39.0 °F 36.8 °F 36.0 °F 89% 29.75 in 10.0 mi Variable 3.5 mph - 0.00 in Rain Light Rain
1:41 PM 39.2 °F 34.2 °F 35.6 °F 87% 29.75 in 9.0 mi NW 6.9 mph - 0.01 in Rain Light Rain
1:51 PM 39.0 °F 34.0 °F 35.1 °F 86% 29.75 in 10.0 mi NW 6.9 mph - 0.01 in Rain Light Rain
2:51 PM 39.0 °F 34.0 °F 36.0 °F 89% 29.74 in 10.0 mi WNW 6.9 mph - 0.00 in   Overcast
2:58 PM 39.2 °F 34.2 °F 35.6 °F 87% 29.75 in 10.0 mi WNW 6.9 mph - 0.00 in Rain Light Rain
3:51 PM 39.0 °F 33.4 °F 36.0 °F 89% 29.74 in 10.0 mi WNW 8.1 mph - 0.00 in   Overcast
4:51 PM 39.0 °F 34.8 °F 37.0 °F 93% 29.74 in 7.0 mi WNW 5.8 mph - 0.01 in Rain Light Rain
5:51 PM 39.0 °F 35.7 °F 35.1 °F 86% 29.74 in 6.0 mi Variable 4.6 mph - 0.01 in Rain Light Rain
6:51 PM 37.9 °F 33.5 °F 35.1 °F 89% 29.78 in 5.0 mi Variable 5.8 mph - 0.05 in Rain Light Rain
7:19 PM 35.6 °F 29.9 °F 33.8 °F 93% 29.77 in 5.0 mi Variable 6.9 mph - 0.02 in Rain Light Rain
7:51 PM 36.0 °F 32.1 °F 33.1 °F 89% 29.78 in 5.0 mi Variable 4.6 mph - 0.05 in Rain Light Rain
8:23 PM 35.6 °F 31.7 °F 33.8 °F 93% 29.79 in 9.0 mi Variable 4.6 mph - 0.02 in Rain Light Rain
8:51 PM 35.1 °F 30.1 °F 33.1 °F 92% 29.80 in 5.0 mi WNW 5.8 mph - 0.04 in Rain Light Rain
9:51 PM 36.0 °F 29.0 °F 34.0 °F 93% 29.84 in 8.0 mi NW 9.2 mph - 0.02 in Rain Light Rain
10:51 PM 35.1 °F 27.4 °F 33.1 °F 92% 29.86 in 6.0 mi WNW 10.4 mph - 0.04 in Rain Light Rain
11:51 PM 36.0 °F 29.0 °F 33.1 °F 89% 29.86 in 10.0 mi WNW 9.2 mph - 0.00 in   Overcast