Current Outlook
9/23/2016 Summer Returns to Washington Later This Weekend
“Even though the days are shortening and the autumnal equinox is behind us, the late September weather is trending decidedly in the opposite direction. The diminishing solar radiation will be no match (on the short term) for an atmospheric circulation pattern change...”

Recent Outlooks
9/16/2016 Becoming Active This Weekend; Possibly Calmer Later Next Week
“Starting tonight, a fairly active Pacific jet stream coupled with deep subtropical moisture will begin to impact Washington for the first time this autumn. As a result of this pattern shift, the weather should be rather different than it has been in recent days. ..”

9/9/2016 Becoming Breezy This Weekend; Warm Days and Cool Nights Next Week
“The upcoming outlook period that will eventually lead us into mid September is likely to feature a range of interesting weather features. Still, the general trend should be gradual warming for next week, and mainly dry conditions...”

9/2/2016 Unseasonably Cool Weather for Labor Day Weekend
“For the first time in a long time, I can make the following statement unequivocally: Cooler than normal conditions are likely for at least the next five days. The month of September marks the beginning of meteorological autumn, and the climate system will agreeably reflect this seasonal shift right on schedule...”

2016 Outlooks-Archive
2015 Outlooks-Archive
2014 Outlooks-Archive
2013 Outlooks Archive
2012 Outlooks Archive
2011 Outlooks Archive

Washington State University