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Portland Morrison Street Bridge, OR Marine Weather Forecast

Today - 46°F
Dec 29, 2025
7 mph NE
Partly Sunny
Partly sunny. High near 46, with temperatures falling to around 43 in the afternoon. Northeast wind around 7 mph.
Tonight - 36°F
Dec 29, 2025
7 mph NE
Partly Cloudy then Areas Of Frost
Areas of frost after 3am. Partly cloudy, with a low around 36. Northeast wind around 7 mph.
Tuesday - 48°F
Dec 30, 2025
7 mph ENE
Areas Of Frost then Sunny
Areas of frost before 10am. Sunny. High near 48, with temperatures falling to around 44 in the afternoon. East northeast wind around 7 mph.
Tuesday Night - 34°F
Dec 30, 2025
6 mph ENE
Areas Of Frost
Areas of frost after 11pm. Mostly clear, with a low around 34. East northeast wind around 6 mph.
Wednesday - 48°F
Dec 31, 2025
3 mph ENE
Widespread Frost then Mostly Sunny
Widespread frost before 10am. Mostly sunny, with a high near 48. East northeast wind around 3 mph.
Wednesday Night - 36°F
Dec 31, 2025
3 mph ENE
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
New Year's Day - 45°F
Jan 01, 2026
3 mph ENE
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 45.
Thursday Night - 40°F
Jan 01, 2026
3 mph E
Light Rain Likely
Rain likely. Cloudy, with a low around 40.
Friday - 50°F
Jan 02, 2026
6 mph E
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 50.
Friday Night - 39°F
Jan 02, 2026
5 mph ENE
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 39.
Saturday - 49°F
Jan 03, 2026
7 mph ESE
Light Rain Likely
Rain likely before 4pm, then a chance of rain showers. Mostly cloudy, with a high near 49.
Saturday Night - 41°F
Jan 03, 2026
6 mph S
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 41.
Sunday - 49°F
Jan 04, 2026
7 mph S
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 49.
Sunday Night - 42°F
Jan 04, 2026
6 mph SE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 42.

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