Hazardous Weather Conditions
Current conditions at
FW0058 Santa Ana Fire (F0058)
Lat: 33.74333°NLon: 117.86783°WElev: 108.14ft.NA
81°F
27°C
| Humidity | 66% |
| Wind Speed | ENE 0 MPH |
| Barometer | 29.87 in (1011.51 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | NA |
| Heat Index | 84°F (29°C) |
| Last update | 09 Sep 12:45 AM PDT |
Extended Forecast for
Tustin CA
Heat Advisory September 9, 08:00pm until September 10, 08:00pm
Extreme Heat Warning September 9, 01:14am until September 9, 08:00pm
NOW until 8:00pm Wed

Extreme Heat Warning
Overnight

Low: 76 °F
Mostly Clear
Wednesday

High: 99 °F
Sunny
Wednesday Night

Low: 75 °F
Partly Cloudy
Thursday

High: 92 °F
Sunny
Thursday Night

Low: 72 °F
Mostly Clear
Friday

High: 88 °F
Sunny
Friday Night

Low: 69 °F
Mostly Clear
Saturday

High: 84 °F
Sunny
Detailed Forecast
Overnight
Mostly clear, with a low around 76. Calm wind.
Wednesday
Sunny, with a high near 99. Heat index values as high as 106. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 72. South wind 5 to 10 mph.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 66.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tustin CA
33.73°N 117.82°W (Elev. 92 ft)
33.73°N 117.82°W (Elev. 92 ft)
12:25 pm PDT Sep 8, 2026
1am PDT Sep 9, 2026-6pm PDT Sep 15, 2026



