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City of San Diego, CaliforniaSan Ysidro, CA 14 Day Weather - 92143 WeatherWorld.com
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San Ysidro, CA Weather Forecast
San Ysidro, CA Weather Forecast Dated: 613 PM Tue Sep 01 2026 (San Ysidro Time)
Expect a very warm period with plenty of sunshine and mostly dry weather over the next two weeks. moderate humidity and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
74°F 23°C
Sunny
Warm and summery around 83°F 28°C (feels like 87°F 31°C), partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds out of the WNW at 11 mph 18 km/h.
Wednesday, September 2, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
74°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the WNW at 11 mph 18 km/h.
Thursday, September 3, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
72°F 22°C
Sunny
Enjoyable around 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds WNW at 11 mph 18 km/h.
Friday, September 4, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
73°F 23°C
Partly Cloudy
Mild temperatures up to 77°F 25°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the W to the NW at 7 mph 11 km/h.
Saturday, September 5, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
81°F 27°C
Drizzle
Early-Evening
78°F 26°C
Overcast
Very warm with a high of 81°F 27°C, clouds building with afternoon showers likely, with steady humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
79°F 26°C
Scattered Showers
Mid-Afternoon
85°F 29°C
Cloudy
Early-Evening
83°F 29°C
Overcast
Warm and summery near 85°F 29°C, locally heavy downpours at times, with steady humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
82°F 28°C
Cloudy
Mid-Afternoon
89°F 31°C
Sunny
Early-Evening
84°F 29°C
Sunny
Balmy with temperatures reaching 89°F 31°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the ESE to the NW at 10 mph 16 km/h.
Tuesday, September 8, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
82°F 28°C
Sunny
Quite warm around 86°F 30°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the WNW to the NW at 8 mph 12 km/h.
Wednesday, September 9, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
77°F 25°C
Sunny
Warm temperatures up to 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the NW to the WNW at 8 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
72°F 22°C
Sunny
Mild with a high of 76°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the WNW at 11 mph 17 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
70°F 21°C
Sunny
Pleasant near 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds WNW at 10 mph 17 km/h.
Saturday, September 12, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WNW to the W at 7 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
71°F 22°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WNW to the NW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
74°F 24°C
Sunny
Mild temperatures up to 78°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds WNW at 10 mph 16 km/h.
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