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 2025, 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
81.7 °F at 2:57p
72.0 °F at 5:46a
High Humidity
Low Humidity
93 % at 5:06a
81 % at 3:55p
High Dewpoint
Low Dewpoint
76.0 °F at 1:47p
70.0 °F at 12:25a
High Wind Speed
16.0 mph at 3:53p
High Barometer
Low Barometer
29.728 in at 7:03a
29.629 in at 6:09p
High Rain Rate
7.38 in/hr at 3:57p
Low Wind Chill
72.0 °F at 2:19a
High Heat Index
89.0 °F at 2:38p
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.