Yet, that event served as another reminder of the rising number of wildfires in western North America each summer, elevating the threat of more wildfire smoke finding its way into western Washington. Other wildfire sources in recent years have come from eastern Washington, Oregon, and even California.įortunately, last week’s high-altitude Alberta wildfire smoke did not spoil air quality at the surface in western Washington. Temperatures above 90 ☏ (32 ☌) are not expected here during May. Seattle, August, has days with highs of 77☏ (25☌) and lows of 56☏ (13☌). The city averages 2 days this month when the thermometer reaches into the 80s ☏ (over 27 ☌). September for a typical day ranges from a high of 71☏ (22☌) to a low of 52☏ (11☌).Some would describe it as mildly cool, humid but cool.For comparison, the hottest month in. Wildfire smoke has blanketed the region five out of the last six years, beginning with smoke originating from the interior of British Columbia wildfires in 2017. Seattle Extended Forecast with high and low temperatures ☏ Jun 11 Jun 17 Lo:55 Mon, 12 Hi:79 6 0. or less (10 ☌) Usually every day in May the temperature rises to over 50 degrees Fahrenheit (10 degrees Celsius) in Seattle. Western Washington once again suffered wildfire smoke last year, with the primary source coming from the Bolt Creek Wildfire along US 2 leading up to Stevens Pass. Last year’s record lack of summer rainfall led to extremely dry conditions with elevated wildfire conditions. Sea-Tac Airport averages 3.18 inches of rain in all from July through September. In an average year, the temperature will usually be between 21 F (6 C) and 94 F (34 C) with temperatures greatly exceeding these values being uncommon. The cool season lasts for 3. For reference, on August 1, the hottest day of the year, temperatures in Seattle typically range from 59☏ to 79☏, while on December 23, the coldest day of the year, they range from 37☏ to 46☏. Yet in this era of a warming planet, it cannot be ruled out in future decades. The hottest month of the year in Seattle is August, with an average high of 77☏ and low of 58☏. "We’re staying warm across Washington, Oregon and Idaho.Referencing a presentation on that event at the recent Pacific Northwest Weather Workshop, that dome of hot air was quite a rare anomaly. "It’s not just Seattle – the entire area is ranging about 20 to 30 degrees above average for this time of year," FOX Weather meteorologist Britta Merwin said. Current Conditions Radar Forecasts Rivers and Lakes Climate and Past Weather Local Programs Click a location below for detailed forecast. Seattle may break the record averages by several degrees. There is no rain in sight for the first two weeks of October.Įven though Seattle's forecast has cooled back into the 60s to mid-70s for the rest of the week, the forecast highs for the rest of the first half of October suggest it'll be the warmest start to October on record – pick the first five days, seven days or even perhaps 10 or 15 days. It's rained on only 11 dates since July 1 – a reverse from the 50 days it rained in the 90-day period from April to June. Rainfall-wise, the city tallied just 0.48 inches of rain. daily, and hourly averages and statistics of temperature, precipitation, and other climatological variables from almost 15000 U.S. A 21-year playoff drought may have ended for their beloved Seattle Mariners last Friday, but July through September was Seattle's warmest and driest on record. And with the heat has come a lack of rain.
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