Tustin, CA Weather Forecast

Local 7-day forecast

87°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Tustin, CA in one place.

Monday, August 3, 2026
Wind: 0 to 10 mph SW
Monday

Mostly sunny, with a high near 87. Southwest wind 0 to 10 mph.

Local 7-day forecast

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
Next High
87°F
Monday
Next Low
67°F
Monday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 10 mph
Monday

Daily Outlook

Today
Aug 3
Mostly Sunny
87 °F
/ 67°F
Wind 0 to 10 mph
Tue
Aug 4
Mostly Sunny
86 °F
/ 67°F
Wind 0 to 10 mph
Wed
Aug 5
Sunny
86 °F
/ 68°F
Wind 0 to 10 mph
Thu
Aug 6
Sunny
86 °F
/ 68°F
Wind 0 to 10 mph
Fri
Aug 7
Sunny
87 °F
/ 69°F
Wind 0 to 10 mph
Sat
Aug 8
Sunny
86 °F
/ 69°F
Wind 0 to 10 mph

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 source

Extended Forecast

Monday Night
Aug 3
67°F
Partly Cloudy
0 to 10 mph SW

Partly cloudy, with a low around 67. Southwest wind 0 to 10 mph.

Tuesday
Aug 4
86°F
Mostly Sunny
0 to 10 mph SW

Mostly sunny, with a high near 86. Southwest wind 0 to 10 mph.

Tuesday Night
Aug 4
67°F
Partly Cloudy
0 to 10 mph SW

Partly cloudy, with a low around 67.

Wednesday
Aug 5
86°F
Sunny
0 to 10 mph SW

Sunny, with a high near 86.

Wednesday Night
Aug 5
68°F
Mostly Clear
0 to 10 mph SW

Mostly clear, with a low around 68.

Thursday
Aug 6
86°F
Sunny
0 to 10 mph SW

Sunny, with a high near 86.

Thursday Night
Aug 6
68°F
Mostly Clear
0 to 10 mph S

Mostly clear, with a low around 68.

Friday
Aug 7
87°F
Sunny
0 to 10 mph SW

Sunny, with a high near 87.

Friday Night
Aug 7
69°F
Mostly Clear
0 to 10 mph S

Mostly clear, with a low around 69.

Saturday
Aug 8
86°F
Sunny
0 to 10 mph S

Sunny, with a high near 86.

Saturday Night
Aug 8
69°F
Partly Cloudy
0 to 5 mph S

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
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.