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
87.2 °F at 12:05p
78.7 °F at 6:17a
High Humidity
Low Humidity
86 % at 6:59a
77 % at 12:03p
High Dewpoint
Low Dewpoint
80.0 °F at 11:11a
74.0 °F at 3:26a
High Wind Speed
15.0 mph at 10:47a
High Barometer
Low Barometer
29.919 in at 12:00a
29.884 in at 11:33a
High Rain Rate
0.00 in/hr at ----
Low Wind Chill
79.0 °F at 5:10a
High Heat Index
101.0 °F at 11:36a
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.