Climate & Weather in Portland, 🇺🇸 United States - Monthly Averages, Forecast & Air Quality
🇺🇸 Portland,
United States
#49
Nomad Score
6.6
Coords
43.6573605, -70.2586618
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CURRENT CONDITIONS
Temperature
26.0°C
/
18.0°C
Feels Like
27.4°C / 19.3°C
Weather
🌫️ Fog
Humidity
%
Wind
20.5 km/h
(gusts 33.1)
UV Index
6.8
Sunrise / Sunset
05:56
/
19:30
Daylight
13.6 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Mon 24 Aug | 🌫️ Fog | 26.0° | 18.0° | 5% |
| Tue 25 Aug | 🌤️ Overcast | 26.6° | 15.6° | 3% |
| Wed 26 Aug | 🌤️ Overcast | 27.3° | 14.2° | 0% |
| Thu 27 Aug | 🌧️ Moderate drizzle | 27.4° | 15.7° | 15% |
| Fri 28 Aug | ⛈️ Thunderstorm | 26.4° | 17.9° | 26% |
| Sat 29 Aug | 🌧️ Light drizzle | 25.3° | 17.2° | 9% |
| Sun 30 Aug | 🌧️ Light drizzle | 29.5° | 17.6° | 14% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| June | Excellent | 23.2°C | 14.3°C | 11.0 |
| August | Excellent | 25.5°C | 16.9°C | 10.3 |
| September | Excellent | 22.0°C | 13.5°C | 8.6 |
| July | Good | 26.6°C | 18.0°C | 13.5 |
| May | Fair | 17.9°C | 8.8°C | 9.7 |
| October | Fair | 16.3°C | 8.2°C | 7.4 |
| November | Fair | 9.0°C | 1.5°C | 7.4 |
| March | Fair | 6.8°C | -2.5°C | 10.8 |
| April | Fair | 12.0°C | 3.0°C | 10.8 |
| January | Poor | 0.7°C | -6.9°C | 9.3 |
| February | Poor | 1.9°C | -8.0°C | 8.5 |
| December | Poor | 3.3°C | -4.2°C | 9.7 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
34
🟢 Good
US Air Quality Index
European AQI: 31
PM2.5
4.0 µg/m³
PM10
5.8 µg/m³
Ozone
78.0 µg/m³
NO₂
1.2 µg/m³
SO₂
0.9 µg/m³
CO
126.0 µg/m³
UV Index
0.8
Dust
0.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | 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% |