The last three years, the blossoms reached peak bloom on April 9 (2013) and April 10 (20), over a week late, following Marches that ranged from two to four degrees colder than normal.
Blossom peak bloom date records have been maintained by the National Park Service since 1921.
Temperatures soaring into the 70s and even the 80s this week are stacking the deck for March to be among the top several warmest on record. In the past, the Park Service has revised its predictions based on the weather conditions and the progress of the buds.
[National Park Service predicted peak bloom dates for this year’s cherry blossoms] If the blossoms come early this year, it will be first such occasion since 2012, when they bloomed on March 20, tied for the third earliest date on record.
We lean towards the later end of that March 17-26 window this year, because the cherry trees went dormant on late side this year.
However, in some years, petals fall off sooner due to wind, rain, or frost.
March temperatures are frequently a key predictor for cherry blossom bloom dates; the warmer March is, the earlier buds typically burst. area forecast: Spring is on fast forward — 80s possible later this week] One week ago, the National Park Service predicted a peak bloom period of March 31 to April 3, but that was before the March outlook was so warm.
update: Due to the current and predicted warm temperatures, the National Park Service has moved up its peak bloom date forecast nearly two weeks from to March 31-Apr. “Although the Park Service factored above average March temperatures into the original prediction date, potentially record-setting temperatures, averaging nearly 20 degrees above normal for the next week, have greatly accelerated the bloom watch,” the Park Service said in a press release. [We declare winter over and spring here] This year’s feverish spring arrival favors a substantially earlier than normal cherry blossom peak bloom.
area and the thoughts of Washingtonians are drifting away from snow flakes and toward cherry blossoms, primed to sprint through their bloom cycle this year.This is about five days ahead of the recent (30-year) average of April 1.