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
71.6 °F at 3:44p
58.5 °F at 9:54p
High Humidity
Low Humidity
89 % at 12:00a
70 % at 4:00p
High Dewpoint
Low Dewpoint
63.0 °F at 1:26p
53.0 °F at 9:10p
High Wind Speed
17.0 mph at 9:21a
High Barometer
Low Barometer
29.998 in at 12:00a
29.881 in at 4:41p
High Rain Rate
0.00 in/hr at ----
Low Wind Chill
59.0 °F at 9:04p
High Heat Index
72.0 °F at 3:13p
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.