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Portland climate
Typical historical weather for Portland, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Portland.
Annual average
9.7°C
across all months
Warmest month
23.6°C
Jul average high
Coolest month
-3.6°C
Jan average low
Annual rainfall
1271mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
27.9°C
3 August 2022
Coldest day
-17.9°C
30 January 2019
Wettest day
49.2mm
10 September 2018
Windiest day
16.3m/s
24 December 2022
See the detail: Portland on 10 September 2018.