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
64.8 °F at 11:35a
60.6 °F at 1:04a
High Humidity
Low Humidity
92 % at 8:05a
88 % at 12:00a
High Dewpoint
Low Dewpoint
63.0 °F at 11:35a
57.0 °F at 12:00a
High Wind Speed
12.0 mph at 10:32a
High Barometer
Low Barometer
30.138 in at 12:00a
30.082 in at 4:19a
High Rain Rate
0.00 in/hr at ----
Low Wind Chill
61.0 °F at 12:00a
High Heat Index
66.0 °F at 11:27a
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.