Warm-summer Mediterranean climate
Climate Portland - Oregon
Annual high63ºF
Annual low46ºF
Precipitation36.03 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 47 | 36 | 4.88 | 1 |
| Feb | 51 | 36 | 3.66 | 2 |
| Mar | 57 | 40 | 3.68 | 0 |
| Apr | 61 | 43 | 2.73 | 0 |
| May | 68 | 49 | 2.47 | 0 |
| Jun | 74 | 54 | 1.70 | 0 |
| Jul | 81 | 58 | 0.65 | 0 |
| Aug | 81 | 58 | 0.67 | 0 |
| Sep | 76 | 53 | 1.47 | 0 |
| Oct | 64 | 46 | 3.00 | 0 |
| Nov | 53 | 40 | 5.63 | 0 |
| Dec | 46 | 35 | 5.49 | 1 |
- JanHigh 47ºFLow 36ºFPrecip 4.88 inch
- FebHigh 51ºFLow 36ºFPrecip 3.66 inch
- MarHigh 57ºFLow 40ºFPrecip 3.68 inch
- AprHigh 61ºFLow 43ºFPrecip 2.73 inch
- MayHigh 68ºFLow 49ºFPrecip 2.47 inch
- JunHigh 74ºFLow 54ºFPrecip 1.70 inch
- JulHigh 81ºFLow 58ºFPrecip 0.65 inch
- AugHigh 81ºFLow 58ºFPrecip 0.67 inch
- SepHigh 76ºFLow 53ºFPrecip 1.47 inch
- OctHigh 64ºFLow 46ºFPrecip 3.00 inch
- NovHigh 53ºFLow 40ºFPrecip 5.63 inch
- DecHigh 46ºFLow 35ºFPrecip 5.49 inch
Climate summary
What is the average weather in Portland, Oregon?
Portland's climate is characterized by dry summers and wetter winters. Summers are warm, offering a strong seasonal contrast from the cool winters. During the cooler season, frequent rain or drizzle is common, and the city also experiences occasional snowfall, contributing to its overall fairly wet annual conditions.
Portland weather averages
Annual high63ºF
Annual low46ºF
Precipitation36.03 inch
Snowfall4 inch
Daily normals Portland - Oregon - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 46.1 | 35.7 | 0.17 | 0.17 | 0.10 | 0.10 |
| Jan 2 | 46.2 | 35.7 | 0.34 | 0.34 | 0.10 | 0.10 |
| Jan 3 | 46.2 | 35.7 | 0.51 | 0.51 | 0.20 | 0.20 |
| Jan 4 | 46.3 | 35.8 | 0.69 | 0.69 | 0.30 | 0.30 |
| Jan 5 | 46.4 | 35.8 | 0.86 | 0.86 | 0.40 | 0.40 |
| Jan 6 | 46.4 | 35.9 | 1.03 | 1.03 | 0.40 | 0.40 |
| Jan 7 | 46.5 | 35.9 | 1.21 | 1.21 | 0.50 | 0.50 |
| Jan 8 | 46.6 | 36.0 | 1.38 | 1.38 | 0.50 | 0.50 |
| Jan 9 | 46.7 | 36.0 | 1.55 | 1.55 | 0.60 | 0.60 |
| Jan 10 | 46.8 | 36.0 | 1.73 | 1.73 | 0.70 | 0.70 |
| Jan 11 | 46.9 | 36.1 | 1.90 | 1.90 | 0.70 | 0.70 |
| Jan 12 | 47.0 | 36.1 | 2.06 | 2.06 | 0.80 | 0.80 |
| Jan 13 | 47.1 | 36.2 | 2.22 | 2.22 | 0.80 | 0.80 |
| Jan 14 | 47.2 | 36.2 | 2.38 | 2.38 | 0.90 | 0.90 |
| Jan 15 | 47.3 | 36.2 | 2.54 | 2.54 | 1.00 | 1.00 |
| Jan 16 | 47.4 | 36.3 | 2.70 | 2.70 | 1.00 | 1.00 |
| Jan 17 | 47.5 | 36.3 | 2.86 | 2.86 | 1.10 | 1.10 |
| Jan 18 | 47.7 | 36.3 | 3.02 | 3.02 | 1.10 | 1.10 |
| Jan 19 | 47.8 | 36.4 | 3.18 | 3.18 | 1.20 | 1.20 |
| Jan 20 | 47.9 | 36.4 | 3.34 | 3.34 | 1.20 | 1.20 |
| Jan 21 | 48.0 | 36.4 | 3.49 | 3.49 | 1.30 | 1.30 |
| Jan 22 | 48.1 | 36.4 | 3.65 | 3.65 | 1.30 | 1.30 |
| Jan 23 | 48.2 | 36.4 | 3.81 | 3.81 | 1.40 | 1.40 |
| Jan 24 | 48.3 | 36.5 | 3.97 | 3.97 | 1.40 | 1.40 |
| Jan 25 | 48.5 | 36.5 | 4.13 | 4.13 | 1.50 | 1.50 |
| Jan 26 | 48.6 | 36.5 | 4.28 | 4.28 | 1.50 | 1.50 |
| Jan 27 | 48.7 | 36.5 | 4.44 | 4.44 | 1.50 | 1.50 |
| Jan 28 | 48.8 | 36.5 | 4.59 | 4.59 | 1.60 | 1.60 |
| Jan 29 | 48.9 | 36.5 | 4.74 | 4.74 | 1.60 | 1.60 |
| Jan 30 | 49.1 | 36.5 | 4.88 | 4.88 | 1.70 | 1.70 |
| Jan 31 | 49.2 | 36.5 | 5.03 | 5.03 | 1.70 | 1.70 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Portland - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 80.1 | 52.0 | 0.00 |
| Oct 2 | 78.1 | 53.1 | 0.00 |
| Oct 3 | 80.1 | 53.1 | 0.00 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 75.9 | 52.0 | 0.00 |
| Oct 8 | 78.1 | 50.0 | 0.00 |
| Oct 9 | 64.0 | 51.1 | 0.07 |
| Oct 10 | 60.1 | 46.0 | 0.02 |
| Oct 11 | 64.0 | 41.0 | T |
| Oct 12 | 64.9 | 39.0 | 0.00 |
| Oct 13 | 66.9 | 39.0 | 0.00 |
| Oct 14 | 73.0 | 48.9 | 0.00 |
| Oct 15 | 80.1 | 48.0 | 0.00 |
| Oct 16 | – | – | – |
| Oct 17 | – | – | – |
| Oct 18 | 66.9 | 41.0 | 0.00 |
| Oct 19 | – | – | – |
| Oct 20 | – | – | – |
| Oct 21 | 73.0 | 42.1 | 0.00 |
| Oct 22 | 64.9 | 44.1 | 0.00 |
| Oct 23 | 61.0 | 41.0 | 0.00 |
| Oct 24 | 57.0 | 36.0 | 0.00 |
| Oct 25 | 52.0 | 46.9 | 0.67 |
| Oct 26 | 55.9 | 51.1 | 0.25 |
| Oct 27 | 57.9 | 50.0 | 0.15 |
| Oct 28 | 57.0 | 48.0 | 0.12 |
| Oct 29 | 55.0 | 46.9 | 0.37 |
| Oct 30 | 57.9 | 45.0 | 0.37 |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature80.1ºF · Oct 1
- Lowest max temperature52.0ºF · Oct 25
- Highest min temperature53.1ºF · Oct 2
- Lowest min temperature36.0ºF · Oct 24
Geo Portland - Oregon
Location
- Country
- United States
- State
- Oregon
- County
- –
- City
- Portland
- Zip Code
- 97209
- Elevation
- 33 ft
- Longitude
- -122.68
- Latitude
- 45.52
- ICAO
- –
- IATA
- –