Weather History for Portland, OR

Change the Weather History Date:

Tuesday, May 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 59 °F 61 °F  
Max Temperature 65 °F 70 °F 100 °F (1983)
Min Temperature 52 °F 51 °F 38 °F (1954)
Degree Days  
Heating Degree Days 6 5  
Month to date heating degree days 152 208  
Since 1 July heating degree days 3919 4171  
Cooling Degree Days 0 1  
Month to date cooling degree days 15 9  
Year to date cooling degree days 15 10  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 69    
Maximum Humidity 93    
Minimum Humidity 44    
Precipitation  
Precipitation 0.01 in 0.09 in 0.80 in (1985)
Month to date precipitation 4.24 2.22  
Year to date precipitation 12.64 17.17  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 10 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

May. 28, 2013 Rise Set
Actual Time 5:27 AM PDT 8:49 PM PDT
Civil Twilight 4:50 AM PDT 9:25 PM PDT
Nautical Twilight 4:02 AM PDT 10:13 PM PDT
Astronomical Twilight 3:02 AM PDT 11:14 PM PDT
Moon No Moon Rise 9:27 AM PDT (5/28)
Length of Visible Light 16h 35m
Length of Day
15h 21m
Waning Gibbous, 82% of the Moon is Illuminated
May 28
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 54.0 °F 48.9 °F 83% 29.87 in 10.0 mi South 6.9 mph - 0.00 in   Overcast
1:53 AM 54.0 °F 48.0 °F 80% 29.88 in 10.0 mi South 9.2 mph - N/A   Overcast
2:53 AM 54.0 °F 48.0 °F 80% 29.88 in 10.0 mi South 5.8 mph - N/A   Overcast
3:53 AM 54.0 °F 48.9 °F 83% 29.88 in 10.0 mi SE 4.6 mph - N/A   Overcast
4:26 AM 53.6 °F 48.2 °F 82% 29.89 in 10.0 mi SSE 6.9 mph - N/A   Overcast
4:53 AM 53.1 °F 50.0 °F 89% 29.89 in 8.0 mi South 10.4 mph - 0.00 in   Overcast
5:22 AM 51.8 °F 51.8 °F 100% 29.90 in 9.0 mi South 8.1 mph - 0.00 in Rain Light Rain
5:53 AM 53.1 °F 51.1 °F 93% 29.90 in 10.0 mi SE 3.5 mph - 0.00 in   Overcast
6:44 AM 53.6 °F 50.0 °F 88% 29.90 in 10.0 mi South 5.8 mph - N/A   Overcast
6:53 AM 54.0 °F 50.0 °F 86% 29.90 in 10.0 mi South 4.6 mph - N/A   Overcast
7:53 AM 54.0 °F 51.1 °F 90% 29.91 in 10.0 mi South 5.8 mph - N/A   Overcast
8:53 AM 55.0 °F 51.1 °F 86% 29.91 in 10.0 mi SSW 8.1 mph - N/A   Overcast
9:53 AM 57.0 °F 51.1 °F 81% 29.92 in 10.0 mi South 8.1 mph - 0.01 in   Overcast
10:53 AM 57.9 °F 48.9 °F 72% 29.92 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
11:53 AM 60.1 °F 48.9 °F 67% 29.93 in 10.0 mi SSW 12.7 mph - 0.00 in   Mostly Cloudy
12:00 PM 60.8 °F 48.2 °F 63% 29.93 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
12:53 PM 63.0 °F 46.0 °F 54% 29.93 in 10.0 mi SSW 15.0 mph - 0.00 in   Mostly Cloudy
1:53 PM 61.0 °F 46.0 °F 58% 29.94 in 10.0 mi SW 10.4 mph - N/A   Overcast
2:53 PM 62.1 °F 46.0 °F 56% 29.92 in 10.0 mi South 12.7 mph - N/A   Overcast
3:53 PM 64.0 °F 46.0 °F 52% 29.92 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
4:53 PM 64.9 °F 46.0 °F 50% 29.91 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
5:53 PM 64.0 °F 43.0 °F 46% 29.89 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
6:53 PM 63.0 °F 41.0 °F 45% 29.86 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
7:53 PM 61.0 °F 44.1 °F 54% 29.84 in 10.0 mi WSW 8.1 mph - N/A   Overcast
8:53 PM 60.1 °F 43.0 °F 53% 29.82 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
9:53 PM 57.9 °F 45.0 °F 62% 29.81 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 57.0 °F 46.0 °F 67% 29.81 in 10.0 mi SSW 4.6 mph - 0.00 in Rain Light Rain
11:53 PM 54.0 °F 48.9 °F 83% 29.78 in 10.0 mi Calm Calm - 0.05 in Rain Light Rain