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 00:00 · NOAA HRRR model
17 °C
Overcast
Feels like 15 °C
Next 12 h
↓ 16°05:00↑ 25°12:00
- Humidity
- 60 %
- Dew point
- 10 °C
- Gusts
- 19.7 km/h
- Clouds
- 100 %
- Pressure
- 1,024 hPa
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
- 73.2µg/m³
- PM2.5
- 7.3µg/m³
- PM10
- 8.8µg/m³
- Nitrogen dioxide
- 4.0µg/m³
- Sulphur dioxide
- 0.7µg/m³
- Carbon monoxide
- 124.0µg/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
Overcast
22°
18°
Mon
Light rain1 mm
27°
16°
Tue
Clear sky10 %
29°
19°
Wed
Partly cloudy22 %
28°
18°
Thu
Mainly clear22 %
28°
20°
Fri
Overcast
28°
19°
Sat
Overcast
29°
23°
Sun
Light drizzle1 mm
26°
22°
Mon
Light drizzle2 mm
27°
23°
Tue
Overcast
26°
20°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:32
- Daylight
- 11 h 25
- Sunset
- 18:57
Radiation · 0.0 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 19.6 °C — -3.4 °C against the normal for 18 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Portland