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City of Tustin, CATustin, CA 14 Day Weather - 92780 WeatherWorld.com
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Tustin, CA Weather Forecast
Tustin, CA Weather Forecast Dated: 1135 AM Wed Sep 09 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
89°F 31°C
Sunny
Mid-Afternoon
98°F 37°C
Partly Cloudy
Early-Evening
92°F 33°C
Scattered Showers
Very hot with temperatures reaching 98°F 37°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the N to the SSW at 5 mph 8 km/h.
Thursday, September 10, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
92°F 34°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot and sweltering around 92°F 34°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WSW to the SSW at 6 mph 9 km/h.
Friday, September 11, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
79°F 26°C
Sunny
Quite warm around 86°F 30°C, sunny throughout the day, with steady humidity and steady pressure. Winds SSW at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
75°F 24°C
Sunny
Warm temperatures up to 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the S to the SSW at 7 mph 11 km/h.
Sunday, September 13, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Very warm with a high of 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WSW to the SW at 6 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm and summery near 80°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds SSW at 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
74°F 23°C
Sunny
Balmy with temperatures reaching 80°F 26°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the SW at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
76°F 25°C
Sunny
Quite warm around 84°F 29°C, sunny throughout the day, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
74°F 24°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 26°C
Overcast
Warm temperatures up to 84°F 29°C, overcast throughout the day, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
76°F 24°C
Partly Cloudy
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
79°F 27°C
Sunny
Very warm with a high of 85°F 30°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the WSW to the SW at 5 mph 8 km/h.
Saturday, September 19, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm and summery near 88°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the WSW to the SW at 5 mph 8 km/h.
Sunday, September 20, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
89°F 31°C
Sunny
Early-Evening
81°F 27°C
Sunny
Balmy with temperatures reaching 89°F 31°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
84°F 29°C
Sunny
Sizzling hot with 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot temperatures near 93°F 34°C, sunny throughout the day, with steady humidity and steady pressure.
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