Portland weather — 10-day forecast
Temperature, rain, wind and feels-like in Portland, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 20:00 · NOAA HRRR model
29 °C
Clear sky
Feels like 31 °C
Next 12 h
↑ 29°20:00↓ 26°07:00
- Humidity
- 77 %
- Dew point
- 25 °C
- Gusts
- 32.2 km/h
- Clouds
- 3 %
- Pressure
- 1,016 hPa
- Storm
- severe possible
Grid point 1.3 km away · 3.0 km grid · elevation 5 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 53.4µg/m³
- PM2.5
- 5.6µg/m³
- PM10
- 8.8µg/m³
- Nitrogen dioxide
- 1.0µg/m³
- Sulphur dioxide
- 0.2µg/m³
- Carbon monoxide
- 82.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Clear sky54 %
33°
28°
Sat
Mainly clear82 %
33°
26°
Sun
Thunderstorm96 %
33°
26°
Mon
Mainly clear96 %
34°
26°
Tue
Mainly clear46 %
34°
28°
Wed
Mainly clear8 %
34°
28°
Thu
Mainly clear
34°
28°
Fri
Partly cloudy
34°
28°
Sat
Thunderstorm1 mm
33°
27°
Sun
Thunderstorm2 mm
34°
27°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:56
- Daylight
- 13 h 19
- Sunset
- 20:15
Radiation · 17.8 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Portland the mean temperature will be 30.7 °C — +2.2 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Portland