See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
30°
Clear
Feels Like: 39°
Min: 29°
Max: 30°
The next few hours will be clear, with today reaching 30°C and dropping to 29°C. The coming days will be mostly clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:19
Sunrise
19:27
Sunset
Moon
Waxing Crescent
12:33
Moonrise
22:12
Moonset
Daily Forecast
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Weather in Portland today, September 16, 2026
Conditions in Portland on September 16, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Morning skies stay relatively clear, holding cloud close to 19% near 04:00. The early part of the day favours being outside.
Temperatures climb from an overnight low near 29°C toward a daytime high of about 30°C. Moisture in the air spans 72%-88%, with the highest values around 22:00. A lighter breeze peaks around 15:00 near 7.9 km/h.
Afternoon skies stay clogged, peaking close to 64% near 13:00. The grey theme continues rather than clearing out. Visibility stays near 16.1 km. The sun rises at 07:19 and sets at 19:27, for a total of 12 hours 7 minutes of sunlight today.
Overall, Portland on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 30°C.
Frequently asked questions about weather in Portland
How warm does it get in Portland?
The warmest month in Portland is August, with average high temperatures of 32°C. The average temperature during this period is around 29°C.
How cold does it get in Portland?
The coldest month in Portland is January, with average low temperatures of 11°C. The average temperature during this period is around 14°C.
What is the wettest time of year in Portland?
The wettest month in Portland is June, with an average of 104mm of precipitation.
What is the driest time of year in Portland?
The driest month in Portland is February, with an average of 19mm of precipitation.