Weather History for Chatham, MA

Change the Weather History Date:

Saturday, August 9, 2014

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 78 °F 75 °F 87 °F (1980)
Min Temperature 64 °F 62 °F 54 °F (1999)
Cooling Degree Days 6    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 73    
Maximum Humidity 90    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 5 mph (NNW)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
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

Aug. 09, 2014 Rise Set
Actual Time 5:42 AM EDT 7:47 PM EDT
Civil Twilight 5:11 AM EDT 8:18 PM EDT
Nautical Twilight 4:34 AM EDT 8:55 PM EDT
Astronomical Twilight 3:53 AM EDT 9:36 PM EDT
Moon 6:46 PM EDT (8/9) 4:18 AM EDT (8/9)
Length of Visible Light 15h 06m
Length of Day
14h 05m
Waxing Gibbous, 98% of the Moon is Illuminated
Aug 9
Waxing Gibbous
Aug 10
Full
Aug 17
Last Quarter
Aug 25
New
Sep 2
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 64.9 °F 61.0 °F 87% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Clear
1:52 AM 64.9 °F 59.0 °F 81% 30.00 in 10.0 mi NW 3.5 mph - N/A   Clear
2:52 AM 64.0 °F 59.0 °F 84% 30.00 in 10.0 mi Calm Calm - N/A   Clear
3:52 AM 64.0 °F 59.0 °F 84% 30.01 in 10.0 mi NW 5.8 mph - N/A   Clear
4:52 AM 64.0 °F 60.1 °F 87% 30.02 in 10.0 mi NW 5.8 mph - N/A   Clear
5:52 AM 64.0 °F 61.0 °F 90% 30.03 in 10.0 mi NW 4.6 mph - N/A   Clear
6:52 AM 66.0 °F 61.0 °F 84% 30.05 in 10.0 mi Variable 4.6 mph - N/A   Clear
7:52 AM 70.0 °F 61.0 °F 73% 30.06 in 10.0 mi Variable 4.6 mph - N/A   Clear
9:52 AM 73.9 °F 60.1 °F 62% 30.07 in 10.0 mi NNW 6.9 mph - N/A   Clear
10:52 AM 75.9 °F 60.1 °F 58% 30.08 in 10.0 mi Variable 5.8 mph - N/A   Clear
11:52 AM 77.0 °F 61.0 °F 58% 30.07 in 10.0 mi Variable 6.9 mph - N/A   Clear
12:52 PM 75.9 °F 63.0 °F 64% 30.08 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
1:52 PM 75.0 °F 62.1 °F 64% 30.07 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
3:52 PM 77.0 °F 60.1 °F 56% 30.07 in 10.0 mi NNE 5.8 mph - N/A   Clear
4:52 PM 75.9 °F 61.0 °F 60% 30.07 in 10.0 mi NE 4.6 mph - N/A   Clear
5:52 PM 75.9 °F 61.0 °F 60% 30.07 in 10.0 mi NE 4.6 mph - N/A   Clear
6:52 PM 73.9 °F 61.0 °F 64% 30.08 in 10.0 mi NE 3.5 mph - N/A   Clear
7:52 PM 68.0 °F 63.0 °F 84% 30.09 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:52 PM 66.9 °F 64.0 °F 90% 30.10 in 10.0 mi SSW 3.5 mph - N/A   Clear