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Weather in Tustin, United States 🇺🇸

Weather Forecast in Tustin

Current Weather in Tustin

Partly cloudy
18°C
Feels like 18°C. Partly cloudy.
🌬️ 4 km/h S
💧 90% Humidity
🧭 1015 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.5
🌡️ Dew Point: 16°C
🌅 Sunrise: 05:48 AM
🌇 Sunset: 08:05 PM
Map Overlays:

In Tustin right now it is 18°C and partly cloudy, feeling like 18°C. Humidity is 90% with winds around 4 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Tustin range from about 16°C to 30°C.

Hourly Forecast for Tustin

08:00
Sunny
20°
12%
09:00
Sunny
23°
6%
10:00
Sunny
26°
3%
11:00
Sunny
27°
1%
12:00
Sunny
28°
1%
13:00
Sunny
29°
1%
14:00
Sunny
29°
1%
15:00
Sunny
30°
1%
16:00
Sunny
29°
1%
17:00
Sunny
29°
1%
18:00
Sunny
28°
1%
19:00
Sunny
26°
2%
20:00
Sunny
24°
3%
21:00
Clear
23°
4%
22:00
Clear
22°
4%
23:00
Clear
22°
4%
00:00
Clear
22°
5%
01:00
Clear
22°
5%
02:00
Clear
21°
5%
03:00
Clear
21°
6%
04:00
Clear
20°
7%
05:00
Clear
20°
8%
06:00
Sunny
20°
7%
07:00
Sunny
22°
5%

14-Day Forecast for Tustin

Wed, Jul 08
Sunny Sunny
30° / 16°
Thu, Jul 09
Sunny Sunny
28° / 20°
Fri, Jul 10
Sunny Sunny
28° / 20°
Sat, Jul 11
Sunny Sunny
27° / 20°
Sun, Jul 12
Partly Cloudy Partly Cloudy
26° / 20°
Mon, Jul 13
Sunny Sunny
26° / 20°
Tue, Jul 14
Sunny Sunny
30° / 20°
Wed, Jul 15
Sunny Sunny
32° / 22°
Thu, Jul 16
Sunny Sunny
34° / 23°
Fri, Jul 17
Sunny Sunny
39° / 25°
Sat, Jul 18
Partly Cloudy Partly Cloudy
38° / 27°
Sun, Jul 19
Partly Cloudy Partly Cloudy
30° / 24°
Mon, Jul 20
Sunny Sunny
32° / 24°
Tue, Jul 21
Sunny Sunny
29° / 22°

Additional Forecasts for Tustin

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 101.0 μg/m³
O₃ (Ozone) 56.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.6 μg/m³
SO₂ (Sulphur Dioxide) 1.2 μg/m³
PM2.5 (Fine particles) 8.9 μg/m³
PM10 (Coarse particles) 13.7 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Tustin Today

The most comfortable window in Tustin today looks like 20:00 to 20:00, when it is around 24°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Tustin

What is the temperature in Tustin right now?

The current temperature in Tustin is 18°C (64°F), partly cloudy (feels like 18°C).

What's the weather like in Tustin right now?

Conditions in Tustin right now: Partly cloudy, humidity 90%, wind 4 km/h S.

What is today's forecast for Tustin?

Today in Tustin: high 30°C, low 16°C, sunny. Chance of rain: 5%.

What is the 7-day weather forecast for Tustin?

Daily highs and lows for Tustin:

  • 2026-07-08: 30°C / 16°C
  • 2026-07-09: 28°C / 20°C
  • 2026-07-10: 28°C / 20°C
  • 2026-07-11: 27°C / 20°C
  • 2026-07-12: 26°C / 20°C
  • 2026-07-13: 26°C / 20°C
  • 2026-07-14: 30°C / 20°C
Is it going to rain in Tustin today?

There is a 5% chance of rain in Tustin today. Total expected precipitation: 0.01 mm.

What is the wind speed in Tustin right now?

Wind in Tustin is currently 4 km/h (2 mph) from the S.

What is the UV index in Tustin right now?

The UV index in Tustin is currently 0.5 (low). Sun protection is recommended when the index is 3 or higher.

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