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City of Tustin, CATustin, CA 7-Day Weather Forecast
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Tustin Weather Forecast
Tustin, CA Weather Forecast Date: 1125 AM PDT Tue Sep 15 2026
Weather forecast for Tustin, CA
Tonight Lo: 61°F Lo: 16°C |
Tonight... Partly cloudy this evening, then mostly cloudy with patchy drizzle overnight. Lows 56 to 65. Areas of winds south 10 mph this evening becoming light. |
| Wed Hi: 80°FHi: 27°C Lo: 60°F Lo: 16°C |
Wednesday... Mostly cloudy with patchy drizzle in the morning, then partly cloudy in the afternoon. Highs around 80. Light winds becoming southwest 10 mph in the afternoon. |
Thu Hi: 77°FHi: 25°C Lo: 60°F Lo: 16°C |
Thursday... Partly cloudy in the morning...Becoming mostly sunny. Highs around 77 towards the coast to 80 farther inland. Light winds becoming west 10 mph in the afternoon. |
| Fri Hi: 81°FHi: 27°C Lo: 62°F Lo: 17°C |
Friday... Partly cloudy in the morning...Becoming mostly sunny. Highs 79 to 82. |
Sat Hi: 83°FHi: 28°C Lo: 62°F Lo: 17°C |
Saturday... Mostly sunny. Highs 81 to 84. |
| Sun Hi: 82°FHi: 28°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Highs 79 to 83. |
| Mon Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Monday... Partly cloudy. Highs around 80. |
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