Environmental Field
Laboratory at the College
of William and Mary
Weather observations are recorded at 10 minute intervals and are available
for download in weekly, tab delimited files.
(Weather 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003
(beginning in April))
Daily Average, Monthly Averages
(How to cite Keck Weather data) (Disclaimers Below)
High Temperature
Low Temperature
64.7 °F at 2:41p
53.6 °F at 12:11a
High Humidity
Low Humidity
94 % at 7:51a
90 % at 12:00a
High Dewpoint
Low Dewpoint
63.0 °F at 1:30p
51.0 °F at 12:00a
High Wind Speed
1.0 mph at 10:35a
High Barometer
Low Barometer
30.017 in at 9:40a
29.922 in at 3:51p
High Rain Rate
0.01 in/hr at 1:00a
Low Wind Chill
54.0 °F at 12:00a
High Heat Index
66.0 °F at 2:15p
Rainfall totals are unofficial and are not
checked for accuracy.
Due to a terminal failure with the weather station, Data from April 10,
2007- May 21, 2007 may be inaccurate . A new station went on line May
23, 2007
Due to Terminal failure with Console Station Barometer readings may be inaccurate from July 1 2014- July 27, 2015. New console went online July 27,2015.
On March 3rd and March 4th, 2023 the rainfall gauge malfunctioned and recorded incorrect rain levels. Subtract 2,105.9mm (82.91 inches) of rain from March and 2023 annual data.