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 22:00 · NOAA HRRR model
22 °C
Mainly clear
Feels like 24 °C
Next 12 h
↑ 22°22:00↓ 17°10:00
- Humidity
- 96 %
- Dew point
- 21 °C
- Gusts
- 14.1 km/h
- Clouds
- 15 %
- Pressure
- 1,016 hPa
- Storm
- likely
Grid point 1.3 km away · 3.0 km grid · elevation 2 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 94.4µg/m³
- PM2.5
- 3.4µg/m³
- PM10
- 3.8µg/m³
- Nitrogen dioxide
- 4.7µg/m³
- Sulphur dioxide
- 0.5µg/m³
- Carbon monoxide
- 212.0µg/m³
- Dust (AOD)
- 0.00
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
Mainly clear40 %
25°
19°
Sat
Partly cloudy84 %
21°
17°
Sun
Mainly clear84 %
31°
18°
Mon
Mainly clear30 %
25°
20°
Tue
Light rain42 %
22°
20°
Wed
Overcast42 %
24°
20°
Thu
Light drizzle0 mm
21°
19°
Fri
Light drizzle1 mm
28°
20°
Sat
Mainly clear
25°
17°
Sun
Clear sky0 mm
24°
16°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:37
- Daylight
- 14 h 20
- Sunset
- 19:57
Radiation · 9.4 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 21.6 °C — +2.1 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Portland