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Oceanside, WA Weather Forecast
Oceanside, WA Weather Forecast Dated: 428 AM Sat Sep 19 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Saturday, September 19, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
58°F 15°C
Overcast
Early-Evening
59°F 15°C
Sunny
Refreshing around 58°F 15°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds picking up from WSW at 2 mph 3 km/h to N at 10 mph 16 km/h.
Sunday, September 20, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
58°F 15°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 58°F 15°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the N to the NNW at 11 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
58°F 14°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Partly Cloudy
Early-Evening
60°F 16°C
Partly Cloudy
Comfortable at 59°F 15°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds moving from the S to the NNW at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
58°F 14°C
Overcast
Early-Evening
59°F 15°C
Overcast
Cool with a high near 58°F 14°C, overcast throughout the day, with steady humidity and steady pressure. Winds out of the NW at 12 mph 20 km/h.
Wednesday, September 23, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
58°F 15°C
Overcast
Early-Evening
58°F 15°C
Cloudy
Refreshing around 58°F 15°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the NE to the WSW at 9 mph 14 km/h.
Thursday, September 24, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
57°F 14°C
Drizzle
Early-Evening
57°F 14°C
Light Rain
Cool and brisk at 57°F 14°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds turning from the SSE to the NNW at 11 mph 18 km/h.
Friday, September 25, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Partly Cloudy
Early-Evening
58°F 14°C
Overcast
Chilly near 57°F 14°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the WNW to the SW at 11 mph 18 km/h.
Saturday, September 26, 2026
Mid-Morning
53°F 11°C
Sunny
Mid-Afternoon
58°F 15°C
Sunny
Early-Evening
58°F 14°C
Partly Cloudy
Cool with a high near 58°F 15°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the WSW at 13 mph 20 km/h.
Sunday, September 27, 2026
Mid-Morning
54°F 12°C
Cloudy
Mid-Afternoon
56°F 13°C
Overcast
Early-Evening
57°F 14°C
Cloudy
Brisk around 56°F 13°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Monday, September 28, 2026
Mid-Morning
56°F 14°C
Scattered Showers
Mid-Afternoon
58°F 14°C
Rain
Early-Evening
58°F 14°C
Light Showers
Mildly cool near 58°F 14°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds swinging from the SSE to the SW at 14 mph 22 km/h.
Tuesday, September 29, 2026
Mid-Morning
56°F 14°C
Light Showers
Mid-Afternoon
57°F 14°C
Light Showers
Early-Evening
56°F 14°C
Light Showers
Chilly near 57°F 14°C, persistent showers off and on through the day, with steady humidity and barometric pressure rising. Winds out of the WSW at 12 mph 19 km/h.
Wednesday, September 30, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
56°F 14°C
Sunny
Early-Evening
57°F 14°C
Sunny
Crisp with a high near 56°F 14°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the SSE to the WSW at 10 mph 16 km/h.
Thursday, October 1, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
57°F 14°C
Sunny
Brisk around 57°F 14°C, sunny throughout the day, with steady humidity and steady pressure. Winds increasing from the NE at 6 mph 10 km/h to NNE at 14 mph 22 km/h.
Friday, October 2, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the ENE to the NNE at 12 mph 20 km/h.
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