Weekend Weather Forecast - Portland

Weekend weather in Portland. Saturday high 17°C (63°F). Sunday high 19°C (66°F).

Weekend Hourly Forecast

Fri·11 Sep
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Temperature · peaks at +20°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
Sat12 Sep
Sun13 Sep
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Temperature · peaks at +15°C

Weekend Activity Outlook

Travel / Drive
Rating
Poor
Reason
Heavy rain — road conditions poor
Outdoor Sports
Rating
Poor
Reason
Wet field — matches likely cancelled
Home / Laundry
Rating
Poor
Reason
Rain will prevent outdoor drying
Outdoor Events
Rating
Poor
Reason
Venue should have indoor backup ready

5-Day Weather Forecast

Full 15-Day Forecast
Today11 Sep
Overcast
20°/ 11°
1%
Rain
1–9
Wind
Tomorrow12 Sep
Rainy
17°/ 12°
85%
Rain
2–9
Wind
Sun13 Sep
Drizzle
19°/ 12°
74%
Rain
5–15
Wind
Mon14 Sep
Overcast
22°/ 12°
1–8
Wind
Tue15 Sep
Overcast
24°/ 11°
1%
Rain
3–13
Wind

Weather Insight

Portland is forecast to reach a high of 17°C this weekend, with an overnight low around 12°C. That's 8° below the long-term average high of 25°C for this time of year. Expect a high chance of rain (85% probability) and a gentle breeze averaging 9 km/h. Air quality is currently Moderate (AQI 52), driven mainly by PM2.5 at 8.6 μg/m³.

Today vs Normal

20°C-5° below normal

The long-term average high for today is 25°C.

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.