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
55.4 °F at 2:26p
36.8 °F at 7:16a
High Humidity
Low Humidity
74 % at 8:25a
35 % at 3:30p
High Dewpoint
Low Dewpoint
38.0 °F at 9:35a
26.0 °F at 4:11p
High Wind Speed
9.0 mph at 2:03p
High Barometer
Low Barometer
29.952 in at 5:44p
29.717 in at 12:24a
High Rain Rate
0.00 in/hr at ----
Low Wind Chill
37.0 °F at 5:51a
High Heat Index
53.0 °F at 1:28p
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.