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
88.8 °F at 3:51p
74.9 °F at 5:35a
High Humidity
Low Humidity
91 % at 9:54a
76 % at 3:51p
High Dewpoint
Low Dewpoint
81.0 °F at 11:31a
71.0 °F at 2:59a
High Wind Speed
13.0 mph at 4:01p
High Barometer
Low Barometer
30.013 in at 11:18a
29.929 in at 5:40p
High Rain Rate
0.00 in/hr at ----
Low Wind Chill
75.0 °F at 1:42a
High Heat Index
105.0 °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.