Heatwave for Valley, Portland Even Oregon Coast, Cooling on Weekend

Published 06/11/2019 at 1:53 AM PDT
By Oregon Coast Beach Connection staff

(Oregon Coast) - A brief but unpleasant heatwave is in store for the inland portion of the state on Tuesday and Wednesday, while even the Oregon coast will get much warmer than usual, all according to the National Weather Service (NWS). Places like Portland and the I-5 corridor will be well into the 90s midweek, then swiftly cooling down for the rest of the week. Even the beaches will get up into the 70s and 80s in some spots. The southern coastline will linger at higher temperatures for the week.

Look for extremely calm tidal conditions as well, resulting in almost no wave action at times.

Portland and the valley soar into the mid 90s Tuesday, with light winds. Lows around 60 degrees at night should allow some cooling, only to ramp things up again around 95 on Wednesday. More easterly parts of the state will see higher temperatures.

Then, the valley portion cools down to the mid 80s on Thursday, lowering to 80 or even a little below through the weekend.

The Oregon coast will have a bit of a heatwave of its own.

Look for temps in the mid 70s on Tuesday and Wednesday, with some slightly interior areas like Tillamook and Astoria up into the mid 80s. From Thursday onward, the beaches cool down to the 60s, and nighttime lows in the 50s. In spite of the heat, it will be partly cloudy along the coast, turning to mostly cloudy on Friday then to sunny conditions for the weekend.

The south central Oregon coast – from about Florence down to Bandon – will see temps up in the 70s and 80s as well, cooling to highs in the mid 70s or below from Thursday onward. On the southern coastline, such as Gold Beach or Brookings, it is of course Oregon’s Banana Belt, so highs through the weekend will remain in the 80s, sometimes the 70s.

The NWS said it’s likely that Wednesday will be hotter than Tuesday in the northern parts of the state, while the opposite will be true further south.

“Unfortunately, we won`t see much relief from the warm temperatures the next couple of nights as a strong thermal inversion sets up across the region,” the NWS said. “Tuesday night will remain very warm, with overnight lows only cooling into the mid 60s. Given the combination of hot afternoon temperatures and limited cooling overnight expected Tuesday and Wednesday decided to issue a heat advisory for a good portion of the interior.”

Wave height along the coast will be extremely low after Wednesday, lurking in the three- to six-foot range. This will likely translate to glass-like calm waves at times. See full Oregon Coast Weather.

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