Tustin, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Tustin, CA in one place.
Sunny, with a high near 85. South 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: Sep 22, 2026 6:41 AM PDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Tustin, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 6:41 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Tustin
Friday looks like the warmest upcoming period in Tustin at 88 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 10 mph S.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 6:41 AM PDT
- Coverage
- 6 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 68. South wind 0 to 5 mph.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 88.
Partly cloudy, with a low around 70.
Mostly sunny, with a high near 88.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 66.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Sunny
|
85°F |
0 to 10 mph
S
|
|
Wednesday Night
Sep 23
|
Partly Cloudy
|
68°F |
0 to 5 mph
S
|
|
Thursday
Sep 24
|
Mostly Sunny
|
85°F |
0 to 10 mph
S
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
69°F |
0 to 5 mph
W
|
|
Friday
Sep 25
|
Mostly Sunny
|
88°F |
0 to 10 mph
NW
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
70°F |
0 to 10 mph
S
|
|
Saturday
Sep 26
|
Mostly Sunny
|
88°F |
0 to 10 mph
S
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
69°F |
0 to 10 mph
SW
|
|
Sunday
Sep 27
|
Mostly Sunny
|
84°F |
0 to 10 mph
S
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
66°F |
0 to 10 mph
S
|
|
Monday
Sep 28
|
Sunny
|
83°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Tustin.
