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Weather in Aliso Viejo, United States 🇺🇸

Current Weather in Aliso Viejo

Sunny
21°C
Feels like 22°C. Sunny.
🌬️ 9 km/h SW
💧 77% Humidity
🧭 1009 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 3.6
🌡️ Dew Point: 17°C
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:00 PM
Map Overlays:

Aliso Viejo currently sits at 21°C, sunny, feeling like 22°C. Relative humidity is 77%, with winds around 9 km/h, and the UV index is 4 (moderate). In the days ahead, expect temperatures in Aliso Viejo from about 20°C to 22°C.

Hourly Forecast for Aliso Viejo

17:00
Sunny
21°
9%
18:00
Sunny
21°
9%
19:00
Clear
21°
9%
20:00
Clear
21°
10%
21:00
Clear
21°
9%
22:00
Clear
21°
9%
23:00
Clear
21°
10%
00:00
Clear
21°
10%
01:00
Clear
21°
10%
02:00
Clear
21°
10%
03:00
Clear
20°
10%
04:00
Clear
20°
10%
05:00
Clear
20°
10%
06:00
Clear
20°
10%
07:00
Sunny
20°
10%
08:00
Sunny
21°
9%
09:00
Sunny
21°
8%
10:00
Sunny
22°
7%
11:00
Sunny
22°
7%
12:00
Sunny
22°
7%
13:00
Sunny
22°
7%
14:00
Sunny
22°
7%
15:00
Sunny
22°
7%
16:00
Sunny
22°
7%

14-Day Forecast for Aliso Viejo

Sun, Sep 13
Sunny Sunny
22° / 21°
Mon, Sep 14
Sunny Sunny
22° / 20°
Tue, Sep 15
Sunny Sunny
21° / 20°
Wed, Sep 16
Sunny Sunny
21° / 19°
Thu, Sep 17
Sunny Sunny
21° / 19°
Fri, Sep 18
Sunny Sunny
21° / 19°
Sat, Sep 19
Sunny Sunny
21° / 19°
Sun, Sep 20
Sunny Sunny
21° / 19°
Mon, Sep 21
Overcast Overcast
20° / 19°
Tue, Sep 22
Sunny Sunny
20° / 18°
Wed, Sep 23
Sunny Sunny
20° / 18°
Thu, Sep 24
Sunny Sunny
21° / 18°
Fri, Sep 25
Sunny Sunny
21° / 19°
Sat, Sep 26
Sunny Sunny
20° / 19°

Additional Forecasts for Aliso Viejo

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 127.0 μg/m³
O₃ (Ozone) 106.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.3 μg/m³
SO₂ (Sulphur Dioxide) 1.4 μg/m³
PM2.5 (Fine particles) 9.2 μg/m³
PM10 (Coarse particles) 13.0 μg/m³

Historical Weather

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Best Time to Be Outside in Aliso Viejo Tomorrow

There is no good daylight window left in Aliso Viejo today. Tomorrow, the most comfortable window looks like 08:00 to 11:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Aliso Viejo

What is the temperature in Aliso Viejo right now?

It is currently 21°C (71°F) in Aliso Viejo, sunny (feels like 22°C).

What's the weather like in Aliso Viejo right now?

Current weather in Aliso Viejo: Sunny, humidity 77%, wind 9 km/h SW.

What is today's forecast for Aliso Viejo?

Today in Aliso Viejo: high 22°C, low 21°C, sunny. Chance of rain: 11%.

What is the 7-day weather forecast for Aliso Viejo?

Daily highs and lows for Aliso Viejo:

  • 2026-09-13: 22°C / 21°C
  • 2026-09-14: 22°C / 20°C
  • 2026-09-15: 21°C / 20°C
  • 2026-09-16: 21°C / 19°C
  • 2026-09-17: 21°C / 19°C
  • 2026-09-18: 21°C / 19°C
  • 2026-09-19: 21°C / 19°C
Is it going to rain in Aliso Viejo today?

There is a 11% chance of rain in Aliso Viejo today. Total expected precipitation: 0.01 mm.

What is the wind speed in Aliso Viejo right now?

Wind in Aliso Viejo is currently 9 km/h (6 mph) from the SW.

What is the UV index in Aliso Viejo right now?

The UV index in Aliso Viejo is currently 3.6 (moderate). Sun protection is recommended when the index is 3 or higher.

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