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 87. Southwest wind 0 to 10 mph.
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: Aug 2, 2026 5:27 PM PDT.
The active forecast window currently covers Aug 3 to Aug 8, 2026 for Tustin, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 8, 2026
- Latest sync
- Aug 2, 2026 5:27 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Tustin
Monday looks like the warmest upcoming period in Tustin at 87 degrees F.
Monday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph SW.
The forecast from Aug 3 through Aug 8 stays mostly dry.
Forecast Details
- Last updated
- Aug 2, 2026 5:27 PM PDT
- Coverage
- 7 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 67. Southwest wind 0 to 10 mph.
Mostly sunny, with a high near 86. Southwest wind 0 to 10 mph.
Partly cloudy, with a low around 67.
Sunny, with a high near 86.
Mostly clear, with a low around 68.
Sunny, with a high near 86.
Mostly clear, with a low around 68.
Sunny, with a high near 87.
Mostly clear, with a low around 69.
Sunny, with a high near 86.
Partly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Mostly Sunny
|
87°F |
0 to 10 mph
SW
|
|
Monday Night
Aug 3
|
Partly Cloudy
|
67°F |
0 to 10 mph
SW
|
|
Tuesday
Aug 4
|
Mostly Sunny
|
86°F |
0 to 10 mph
SW
|
|
Tuesday Night
Aug 4
|
Partly Cloudy
|
67°F |
0 to 10 mph
SW
|
|
Wednesday
Aug 5
|
Sunny
|
86°F |
0 to 10 mph
SW
|
|
Wednesday Night
Aug 5
|
Mostly Clear
|
68°F |
0 to 10 mph
SW
|
|
Thursday
Aug 6
|
Sunny
|
86°F |
0 to 10 mph
SW
|
|
Thursday Night
Aug 6
|
Mostly Clear
|
68°F |
0 to 10 mph
S
|
|
Friday
Aug 7
|
Sunny
|
87°F |
0 to 10 mph
SW
|
|
Friday Night
Aug 7
|
Mostly Clear
|
69°F |
0 to 10 mph
S
|
|
Saturday
Aug 8
|
Sunny
|
86°F |
0 to 10 mph
S
|
|
Saturday Night
Aug 8
|
Partly Cloudy
|
69°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Tustin.