Home / United States / Portland
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
12°C
across all months
Warmest month
28.7°C
Jul average high
Coolest month
-5.2°C
Jan average low
Annual rainfall
1053mm
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
35.7°C
21 June 2022
Coldest day
-24.8°C
21 January 2019
Wettest day
69.1mm
22 September 2021
Windiest day
11.9m/s
24 February 2019
See the detail: Portland on 22 September 2021.