Portland/ Weather & Environment

Portland Sizzles With One Last 80-Degree Blast Before Weekend Cooldown

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Published on October 06, 2026
Portland Sizzles With One Last 80-Degree Blast Before Weekend CooldownSource: Visitor7 / Wikimedia Commons

Portland is starting Tuesday under cloudy skies and temperatures around 59 degrees, but the gray will not stick around for long. Patchy fog may linger before 7 a.m. before the city turns mostly sunny and climbs to about 75 degrees.

Warmest Days Arrive Wednesday And Thursday

Light north-northwest winds will accompany the warm-up, with Wednesday reaching near 78 and Thursday near 80. The National Weather Service says early-morning valley fog may return in coming days, so visibility could change quickly for commuters before sunshine takes over.

Cooler Nights And A Small Chance Of Friday Rain

The latest outlook, an update to Monday's warm-spell forecast, adds a sharper weekend cooldown. A small chance of rain is forecast Friday, with highs near 73 Friday and 66 Saturday.

Cooler nights follow, with Saturday night near 48 degrees and Sunday night near 48 degrees. Sunday's high is forecast near 67.