High 83April 29 PM Update: A couple more cool days have pushed the monthly temperature for April down to 60.7°. Yesterday was the coolest of the month (relative to average). This puts 2010 in fifth place for warmest April, behind 1960 and just ahead of 1941. With an average of around 65° likely to end the month tomorrow, this position should hold. (Charts updated through April 29.)
April 26 PM Update: Today's temperatures:
High 62Today's slightly below average temperatures lowered the monthly average by 0.1°.
Heading into the final week of April, the Washington DC monthly average temperature remains in the handful (7 times in the last 140 years) of years above 60°. The average so far of 61.4° is the fourth warmest in history. In order for the monthly mean to drop below 60°, this week would have to average below 53°.