Will this warm summer lead to an early fall?


PORTLAND, Ore. (KOIN) — All the chit-chat around Portland this summer has been geared around how cool the summer has been.

This could be because of the very warm summers we’ve had over the last few years or possibly we are just accepting the idea that Portland should be warmer in the summer now. That being said, have we been cool this summer? Is summer falling apart and are we going to see an early fall?

Well here are some of the numbers so far, and this is specifically geared around the astronomical summer of June 21 to our current date of Aug. 13.


What can we make of this? Well on average, we usually have about 12 to 13 days of 90 degrees. However, for just the summer months, we average around 8 to 10 days (give or take if we don’t use the meteorological summer date range). As you can see we are currently a bit short. As far as 80 degree days, we’ve seen a good amount of those. From June to September, we typically see around 40, 80 degree days. We are on route to see just about our average. With all of that being said, our departure from normal has been positive for the last few months and currently. That means we have been warmer than normal each month this summer. June finished at +2.1 above normal, while July wrapped up at +1.1 above normal, and currently August is sitting at +2.1 above normal. It’s possible that this is because of our mild overnight temperatures.

You’ll notice in the graphic above that the forecast coming up is calling for a few days above average (81-82). However, it does appear that possibly a stretch of near or below average could settle in around the PNW for a stretch of time. I do not have any 90 degree or triple-digit heat in the upcoming forecast.

If you were wondering, this is how many days are left of Summer!

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