US
Portland climate and weather
Current conditions
11.1° / 8.3°
Moderate rain
- Feels like
- 9.1° / 5.6°
- Humidity
- —
- Wind
- 20.7 km/h (gusts 45.0)
- UV index
- 0.6
- Sunrise / sunset
- 07:40 / 18:07
- Daylight
- 10.5 hrs
7-day forecast
| Date | Weather | High | Low | Feels like | Precip | Rain | Wind | UV |
|---|---|---|---|---|---|---|---|---|
| Sun 25 Oct | Moderate rain | 11.1° | 8.3° | 9.1° / 5.6° | 11.7 mm | 91% | 20.7 km/h | 0.6 |
| Mon 26 Oct | Moderate rain | 13.1° | 9.3° | 11.8° / 5.8° | 9.0 mm | 66% | 21.2 km/h | 0.4 |
| Tue 27 Oct | Moderate drizzle | 14.8° | 9.4° | 12.1° / 7.5° | 2.5 mm | 55% | 12.1 km/h | 3.3 |
| Wed 28 Oct | Slight rain showers | 13.1° | 8.7° | 10.5° / 6.2° | 10.5 mm | 82% | 16.0 km/h | 2.6 |
| Thu 29 Oct | Light drizzle | 12.5° | 7.7° | 11.1° / 6.4° | 1.1 mm | 78% | 5.4 km/h | 2.3 |
| Fri 30 Oct | Light drizzle | 14.4° | 6.9° | 12.6° / 5.4° | 0.4 mm | 41% | 3.6 km/h | 3.0 |
| Sat 31 Oct | Overcast | 12.6° | 7.3° | 10.5° / 5.5° | 0.0 mm | 9% | 4.3 km/h | 2.0 |
Air quality
67
Moderate
US Air Quality Index
European AQI: 56
- PM2.5
- 25.4 µg/m³
- PM10
- 27.0 µg/m³
- Ozone (O₃)
- 4.0 µg/m³
- NO₂
- 52.3 µg/m³
- SO₂
- 2.1 µg/m³
- CO
- 501.0 µg/m³
- UV index
- 0.0
- Dust
- 0.0 µg/m³
Climate through the year
Now: October
Average high and low, °C Rainfall, mm
Temperature by month
Precipitation and rain days
Sunshine, UV and humidity
Best months to visit
| Month | Rating | Avg high | Avg low | Rain days | Sun (hrs) | Humidity |
|---|---|---|---|---|---|---|
| June | Excellent · 76 | 23.2°C | 14.3°C | 11.0 | 324.0 | 75.8% |
| August | Excellent · 76 | 25.5°C | 16.9°C | 10.3 | 328.6 | 77.2% |
| September | Excellent · 76 | 22.0°C | 13.5°C | 8.6 | 282.0 | 78.2% |
| July | Good · 73 | 26.6°C | 18.0°C | 13.5 | 331.7 | 77.0% |
| May | Fair · 53 | 17.9°C | 8.8°C | 9.7 | 303.8 | 72.2% |
| October | Fair · 50 | 16.3°C | 8.2°C | 7.4 | 238.7 | 77.3% |
| November | Fair · 46 | 9.0°C | 1.5°C | 7.4 | 207.0 | 69.5% |
| March | Fair · 35 | 6.8°C | -2.5°C | 10.8 | 241.8 | 69.1% |
| April | Fair · 35 | 12.0°C | 3.0°C | 10.8 | 246.0 | 69.6% |
| January | Poor · 29 | 0.7°C | -6.9°C | 9.3 | 179.8 | 66.9% |
| February | Poor · 29 | 1.9°C | -8.0°C | 8.5 | 193.2 | 68.4% |
| December | Poor · 26 | 3.3°C | -4.2°C | 9.7 | 176.7 | 71.7% |
Monthly climate data
| Month | High | Low | Mean | Feels high | Feels low | Precip | Rain days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 0.7° | -6.9° | -3.2° | -3.9° | -12.1° | 94.8 mm | 9.3 | 31.1 cm | 179.8 hrs | 9.4 hrs | — | 66.9% | 19.8 km/h | 62.1% |
| Feb | 1.9° | -8.0° | -3.1° | -2.7° | -13.0° | 69.3 mm | 8.5 | 25.5 cm | 193.2 hrs | 10.5 hrs | — | 68.4% | 19.9 km/h | 58.2% |
| Mar | 6.8° | -2.5° | 2.0° | 2.9° | -7.1° | 116.0 mm | 10.8 | 19.2 cm | 241.8 hrs | 12.0 hrs | — | 69.1% | 20.8 km/h | 61.6% |
| Apr | 12.0° | 3.0° | 7.3° | 9.1° | -0.9° | 123.1 mm | 10.8 | 9.7 cm | 246.0 hrs | 13.5 hrs | — | 69.6% | 20.0 km/h | 66.8% |
| May | 17.9° | 8.8° | 13.2° | 16.9° | 6.2° | 91.6 mm | 9.7 | 0.0 cm | 303.8 hrs | 14.7 hrs | — | 72.2% | 17.6 km/h | 63.1% |
| Jun | 23.2° | 14.3° | 18.6° | 24.2° | 13.6° | 86.7 mm | 11.0 | 0.0 cm | 324.0 hrs | 15.4 hrs | — | 75.8% | 16.5 km/h | 62.8% |
| Jul | 26.6° | 18.0° | 22.0° | 28.9° | 18.8° | 131.4 mm | 13.5 | 0.0 cm | 331.7 hrs | 15.1 hrs | — | 77.0% | 15.7 km/h | 59.3% |
| Aug | 25.5° | 16.9° | 20.8° | 27.2° | 17.4° | 88.5 mm | 10.3 | 0.0 cm | 328.6 hrs | 13.9 hrs | — | 77.2% | 15.1 km/h | 56.6% |
| Sep | 22.0° | 13.5° | 17.3° | 22.2° | 12.7° | 101.3 mm | 8.6 | 0.0 cm | 282.0 hrs | 12.5 hrs | — | 78.2% | 15.1 km/h | 51.5% |
| Oct | 16.3° | 8.2° | 11.9° | 14.4° | 5.7° | 94.7 mm | 7.4 | 0.0 cm | 238.7 hrs | 11.0 hrs | — | 77.3% | 16.5 km/h | 54.7% |
| Nov | 9.0° | 1.5° | 5.1° | 5.4° | -2.6° | 77.8 mm | 7.4 | 1.9 cm | 207.0 hrs | 9.7 hrs | — | 69.5% | 19.7 km/h | 50.1% |
| Dec | 3.3° | -4.2° | -0.6° | -0.8° | -9.0° | 123.2 mm | 9.7 | 19.8 cm | 176.7 hrs | 9.0 hrs | — | 71.7% | 19.2 km/h | 63.1% |