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Portland Morrison Street Bridge, OR Marine Weather Forecast

Today - 48°F
Dec 23, 2025
3 mph NE
Cloudy then Slight Chance Light Rain
A slight chance of rain after 5pm. Cloudy. High near 48, with temperatures falling to around 45 in the afternoon. Northeast wind around 3 mph. Chance of precipitation is 20%.
Tonight - 42°F
Dec 23, 2025
3 to 10 mph NE
Light Rain
Rain. Cloudy. Low around 42, with temperatures rising to around 44 overnight. Northeast wind 3 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday - 52°F
Dec 24, 2025
8 to 18 mph SE
Light Rain Likely
Rain likely before 4pm. Mostly cloudy. High near 52, with temperatures falling to around 48 in the afternoon. Southeast wind 8 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.
Wednesday Night - 40°F
Dec 24, 2025
5 to 8 mph ENE
Chance Light Rain
A chance of rain after 10pm. Mostly cloudy, with a low around 40. East northeast wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Christmas Day - 51°F
Dec 25, 2025
7 mph ENE
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 51. East northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night - 40°F
Dec 25, 2025
5 mph SE
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday - 49°F
Dec 26, 2025
7 mph SW
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 49.
Friday Night - 38°F
Dec 26, 2025
6 mph WSW
Chance Light Rain
A chance of rain before 4am. Mostly cloudy, with a low around 38.
Saturday - 47°F
Dec 27, 2025
3 mph SW
Partly Sunny
Partly sunny, with a high near 47.
Saturday Night - 34°F
Dec 27, 2025
2 mph NE
Patchy Fog
Patchy fog after 8pm. Mostly cloudy, with a low around 34.
Sunday - 47°F
Dec 28, 2025
5 mph NNE
Patchy Fog then Partly Sunny
Patchy fog before 7am. Partly sunny, with a high near 47.
Sunday Night - 35°F
Dec 28, 2025
5 mph NE
Mostly Cloudy
Mostly cloudy, with a low around 35.
Monday - 48°F
Dec 29, 2025
6 mph NE
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 4pm. Partly sunny, with a high near 48.
Monday Night - 36°F
Dec 29, 2025
5 mph ENE
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 36.

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