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Tustin, CA
7-Day Forecast
Updated 9/20/2026, 4:58 PM PDT
Weather Partner
Sun • Sep 20
Overcast
• Wind SW 9 mph
• Rain – 1% Chance
Low
67°
High
83°
Mon • Sep 21
Light rain
• Wind SSW 7 mph
• Rain – 11% Chance
Low
67°
High
74°
Tue • Sep 22
Overcast
• Wind WSW 9 mph
• Rain – 0% Chance
Low
65°
High
82°
Wed • Sep 23
Clear
• Wind SW 10 mph
• Rain – 0% Chance
Low
69°
High
87°
Thu • Sep 24
Clear
• Wind WSW 9 mph
• Rain – 1% Chance
Low
69°
High
86°
Fri • Sep 25
Partly cloudy
• Wind WSW 9 mph
• Rain – 1% Chance
Low
70°
High
89°
Sat • Sep 26
Overcast
• Wind WSW 9 mph
• Rain – 1% Chance
Low
72°
High
92°
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