PORTLAND, Ore. (KOIN) -- The peak of the summer heat has come and gone as Portland's "normal" daily temperatures begin to cool starting Wednesday, August 6, 2025.

The warmest "normal" temperature Portland sees is 84 degrees from July 24 to August 5. Portland's normal daytime high temperatures starts its cooling trend now, dipping to 46 degrees for a normal daytime high on December 17, 2025.

After the coldest "normal" temperature is felt from December 2025 to early January 2026, Portland's afternoon highs will start warming once again.

Despite Portland's one-degree "normal" temperature drop from August 5 to August 6, the month of August as a whole remains the warmest of the year. Portland's "normal" average temperature for the month of August is 82 degrees.

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