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 2024, 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
40.9 °F at 10:50a
33.4 °F at 2:55a
High Humidity
Low Humidity
89 % at 3:44a
78 % at 10:44a
High Dewpoint
Low Dewpoint
35.0 °F at 5:09a
30.0 °F at 2:39a
High Wind Speed
20.0 mph at 10:48a
High Barometer
Low Barometer
30.143 in at 10:03a
29.898 in at 12:55a
High Rain Rate
0.01 in/hr at 4:00a
Low Wind Chill
33.0 °F at 2:55a
High Heat Index
41.0 °F at 10:24a
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.