Puget Sound Heat Wave: Summer Set To Arrive With Sizzling Temps

SEATTLE — Juneteenth and Father's Day are on track to be sunny and clear across Puget Sound, with temperatures climbing toward record territory by Monday. Saturday looks universally pleasant, with afternoon temperatures in the mid-70s around Seattle and Tacoma. The weather will get even warmer Sunday for Father's Day, landing around the mid-80s, ahead of the summer solstice at 8:31 p.m.

The first full day of astrological summer, with its 16 hours of daylight, is expected to be the hottest of 2021 so far and has a good chance of breaking some records.

Here are the highs to beat Monday:

• Seattle: 89° (1992), records dating back to 1945
• Olympia: 92° (1973), records dating back to 1948

Here are the warmest overnight lows:

• Seattle: 61° (1992)
• Olympia: 57° (2018)
• Quillayute: 56° (2005), records dating back to 1966

The temperature forecast for Monday ranges between 86 and 95 degrees for the Seattle metro, with a best guess for 90 degrees. In the South Sound, it's likely to be even hotter.

The National Weather Service notes that hitting 90 degrees is exceptionally rare for Seattle and typically does not happen before July.

In 16 of the past 75 years, 90+ degrees never occurred during the entire calendar year in Seattle. Statistically, the first 90 degree day of the year is July 3rd. So, IF it occurs on Monday, we're ahead of schedule. Last year, the first 90+ day wasn't until July 27th. #wawx
— NWS Seattle (@NWSSeattle) June 16, 2021

With all eyes on Mondays expected high of 90 in Seattle, one might ask "How common is it?". The long term average is 3 days per year, but the average since 2010 is 5. And the all-time record? The blistering summer of 2015 when it happened 12 times.#wawx
— NWS Seattle (@NWSSeattle) June 18, 2021

As Puget Sound's upcoming heat streak arrives with the longest days of the year, NWS Seattle also shared a few important tips for managing excessive heat:

• Be sure to cool your homes as much as possible at night and in the early morning prior to temperatures warming during the day.
• If you have to work or have plans to recreate outside, be sure to wear sunscreen, light (color & material) clothing and stay hydrated by drinking plenty of water.
• If you`re out and about, be sure to look before you lock.
• It will also be imperative to follow fire safety rules as we warm up and dry out once again.

As temperatures soar over the next week, do not leave your dog in a vehicle. Even with the windows cracked, Nobody wants anything happening to our four-legged friends. And that goes for children too! pic.twitter.com/ZZEqvOWEla
— Bellevue, WA Police (@BvuePD) June 17, 2021

After Monday, forecasters expect temperatures will gradually fall, but the shift won't be dramatic. Tuesday's highs are expected to stay in the 80s, before dipping back into the high 70s by mid-week.