Seattle to see 70-degree weather for first time this year

The warmest weather in more than half a year is coming to Seattle this week.

SEATTLE — The warmest weather in more than six months is on its way to Seattle and western Washington this week. Confidence is growing that we will see temperatures at their 60s and 70s peaks for several days in a row starting Tuesday.

This is a welcome sign for outdoor enthusiasts and gardeners as April is unusually wet and cool. In fact, as of Saturday, Seattle’s temperature hasn’t hit 60 degrees this month.

There has never been an April recorded where Seattle didn’t hit 60 or warmer. That changed on Saturday, however, continuing the April streak with at least a 60-degree plus, as the Sea-Tac hit 63 on Saturday.

This is the warmest day of 2023, the warmest day back on March 18 when Seattle hit 65.

Look at the Almanac Saturday, April 22 for Seattle

However, this will soon change as this week will experience the warmest temperatures of the year. Through Friday and Saturday, it is highly likely that Seattle and areas south of Seattle and in the Cascade foothills will see temperatures rise to as high as 70 degrees Celsius.

Current forecasts suggest Seattle will hit 77 on Friday. If this happens, it will be a new daily record high. The current record for April 28 is 76, set in 1968. Temperatures are also expected to remain in the mid to above 70 degrees on Saturday.

A couple of 80s lower for inland areas of King, Pierce, Thurston and Lewis counties on Friday or Saturday cannot be completely ruled out.

High temperature forecast for this week

Looking beyond this working week, milder weather is expected to last through the upcoming weekend and possibly into the following week. Saturday’s highs will return to mid to above 70 around Puget Sound, mildly cooling coastal Washington with an established onshore current.

That inshore current really pushed it into Seattle and Puget Sound on Sunday, knocking back highs in the 60s and under 70s but it’s still well above average.

The average high in Seattle is 61 degrees.

High temperature forecast for next 6-10 days

The temperature spike we expect west of Washington spreads across the West Coast as a large high-pressure area forms over the eastern Pacific and the West Coast of North America early to mid-week. High pressure seems to be locked in a position extending into the upcoming weekend.

This not only creates a spike in temperature but also keeps the area dry and sunny.

Upscale weather pattern this week with high pressure forming in

Temperatures this week are not expected to be warm enough to raise concerns about heat-related impacts. It’s important to remember that despite warmer air temperatures, the waters in the area are still extremely cold which can pose a risk to people and animals.

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Edmuns DeMars

Edmund DeMarche is a USTimesPost U.S. News Reporter based in London. His focus is on U.S. politics and the environment. He has covered climate change extensively, as well as healthcare and crime. Edmund DeMarche joined USTimesPost in 2023 from the Daily Express and previously worked for Chemist and Druggist and the Jewish Chronicle. He is a graduate of Cambridge University. Languages: English. You can get in touch with me by emailing

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