HomeForecastsWashington ForecastsKnappa, OR - Knappa Slough Marine Weather

Knappa, OR - Knappa Slough Marine Weather Forecast

Overnight - 53°F
Jun 21, 2025
10 mph WSW
Rain
Rain. Cloudy, with a low around 53. West southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday - 57°F
Jun 21, 2025
12 mph WSW
Rain
Rain. Cloudy, with a high near 57. West southwest wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night - 54°F
Jun 21, 2025
2 to 9 mph S
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 54. South wind 2 to 9 mph. Chance of precipitation is 40%.
Sunday - 62°F
Jun 22, 2025
2 to 9 mph SSE
Slight Chance Light Rain then Partly Sunny
A slight chance of rain before 11am. Partly sunny, with a high near 62. South southeast wind 2 to 9 mph. Chance of precipitation is 20%.
Sunday Night - 53°F
Jun 22, 2025
2 to 9 mph NW
Partly Cloudy
Partly cloudy, with a low around 53. Northwest wind 2 to 9 mph.
Monday - 66°F
Jun 23, 2025
2 to 10 mph NW
Partly Sunny
Partly sunny, with a high near 66.
Monday Night - 54°F
Jun 23, 2025
2 to 10 mph WNW
Mostly Cloudy
Mostly cloudy, with a low around 54.
Tuesday - 65°F
Jun 24, 2025
2 to 10 mph WNW
Partly Sunny
Partly sunny, with a high near 65.
Tuesday Night - 56°F
Jun 24, 2025
5 to 10 mph W
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 5am. Mostly cloudy, with a low around 56.
Wednesday - 60°F
Jun 25, 2025
5 to 10 mph W
Slight Chance Light Rain then Mostly Cloudy
A slight chance of rain before 11am. Mostly cloudy, with a high near 60.
Wednesday Night - 56°F
Jun 25, 2025
3 to 10 mph W
Chance Light Rain
A chance of rain after 11pm. Mostly cloudy, with a low around 56.
Thursday - 60°F
Jun 26, 2025
3 to 12 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 60.
Thursday Night - 54°F
Jun 26, 2025
5 to 12 mph WNW
Slight Chance Light Rain
A slight chance of rain before 5am. Mostly cloudy, with a low around 54.
Friday - 62°F
Jun 27, 2025
5 to 12 mph WNW
Partly Sunny
Partly sunny, with a high near 62.

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