See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
16°
Clear
Feels Like: 13°
Min: 9°
Max: 27°
The next few hours will be clear, with today reaching 27°C and dropping to 8°C. The coming days will be partly cloudy until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:57
Sunrise
19:12
Sunset
Moon
Waxing Crescent
13:19
Moonrise
21:02
Moonset
Daily Forecast
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Weather in Portland today, September 16, 2026
Sunshine leads the day in Portland on September 16, 2026, with a patch of cloud building near 22:00. The broader outlook stays fair despite that temporary thickening. Expect a brighter morning, with limited cloud around 0% by 00:00. Conditions start on a settled note.
Expect highs of 27°C and cooler readings close to 9°C. Expect humidity between 35% and 91%, most humid near 22:00. A lighter breeze peaks around 09:00 near 5.9 km/h.
Expect a more open afternoon, with limited cloud around 38% by 22:00. Residual damp risk should be lower than earlier. Horizontal visibility holds close to 16.1 km. Sunrise is at 06:57 and sunset at 19:12, giving 12 hours 14 minutes of sunlight today.
Taken together, settled sunshine in Portland on September 16, 2026 makes outdoor timing easier, with highs near 27°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 30°C. The average temperature during this period is around 21°C.
How cold does it get in Portland?
The coldest month in Portland is February, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Portland?
The wettest month in Portland is December, with an average of 198mm of precipitation.
What is the driest time of year in Portland?
The driest month in Portland is July, with an average of 6mm of precipitation.
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