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Los Osos, CA Weather Forecast
Los Osos, CA Weather Forecast Dated: 1209 PM Wed Sep 16 2026
Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Cloudy
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Overcast
Refreshing around 65°F 18°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the WNW to the NW at 7 mph 11 km/h.
Thursday, September 17, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the WNW at 11 mph 18 km/h.
Friday, September 18, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
71°F 21°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 71°F 21°C, sunny throughout the day, with increasing humidity and steady pressure. Winds WNW at 15 mph 24 km/h.
Saturday, September 19, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
61°F 17°C
Overcast
Mild temperatures up to 68°F 20°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds out of the WNW at 11 mph 17 km/h.
Sunday, September 20, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
59°F 15°C
Partly Cloudy
Refreshing around 65°F 19°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds shifting from the SSE to the NW at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
65°F 19°C
Partly Cloudy
Early-Evening
59°F 15°C
Light Fog
Mildly cool near 65°F 19°C, partly cloudy throughout the day, with increasing humidity and steady pressure. Winds turning from the SE to the NW at 6 mph 10 km/h.
Tuesday, September 22, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
62°F 17°C
Sunny
Comfortable at 67°F 19°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with increasing humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
63°F 17°C
Scattered Showers
Mild temperatures up to 69°F 21°C, locally heavy downpours at times, with increasing humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
65°F 19°C
Scattered Showers
Early-Evening
60°F 16°C
Sunny
Mildly cool near 65°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the W to the NW at 6 mph 10 km/h.
Saturday, September 26, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Overcast
Comfortable at 65°F 18°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds moving from the NNW to the NW at 8 mph 12 km/h.
Sunday, September 27, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
62°F 17°C
Sunny
Cool with a high near 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the SW at 9 mph 14 km/h.
Monday, September 28, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 18°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with increasing humidity and steady pressure. Winds shifting from the ESE to the NW at 6 mph 10 km/h.
Tuesday, September 29, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
59°F 15°C
Partly Cloudy
Mildly cool near 65°F 19°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds turning from the WSW to the NW at 8 mph 13 km/h.
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