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
93.7 °F at 3:48p
76.3 °F at 6:08a
High Humidity
Low Humidity
90 % at 6:17a
66 % at 3:16p
High Dewpoint
Low Dewpoint
82.0 °F at 10:01a
73.0 °F at 4:43a
High Wind Speed
11.0 mph at 10:40a
High Barometer
Low Barometer
30.102 in at 8:37a
30.046 in at 6:08p
High Rain Rate
0.00 in/hr at ----
Low Wind Chill
76.0 °F at 6:01a
High Heat Index
116.0 °F at 3:41p
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.