Tustin, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Tustin, CA in one place.
Mostly sunny, with a high near 79.
Local Weather Overview
This forecast page for Tustin, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 12, 2026 8:28 PM PDT.
The active forecast window currently covers Jun 15 to Jun 19, 2026 for Tustin, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 15 to Jun 19, 2026
- Latest sync
- Jun 12, 2026 8:28 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Tustin
Monday looks like the warmest upcoming period in Tustin at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph SW.
The forecast from Jun 15 through Jun 19 stays mostly dry.
Forecast Details
- Last updated
- Jun 12, 2026 8:28 PM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 64.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 15
|
Mostly Sunny
|
79°F |
0 to 10 mph
SW
|
|
Monday Night
Jun 15
|
Partly Cloudy
|
65°F |
0 to 10 mph
SW
|
|
Tuesday
Jun 16
|
Mostly Sunny
|
79°F |
0 to 10 mph
SW
|
|
Tuesday Night
Jun 16
|
Partly Cloudy
|
65°F |
0 to 10 mph
SW
|
|
Wednesday
Jun 17
|
Mostly Sunny
|
78°F |
0 to 10 mph
SW
|
|
Wednesday Night
Jun 17
|
Partly Cloudy
|
64°F |
0 to 10 mph
S
|
|
Thursday
Jun 18
|
Mostly Sunny
|
77°F |
0 to 10 mph
SW
|
|
Thursday Night
Jun 18
|
Partly Cloudy
|
62°F |
0 to 5 mph
SW
|
|
Juneteenth
Jun 19
|
Mostly Sunny
|
76°F |
0 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Tustin.