Live Weather & Forecast
Weather in Mission Viejo
California, United States · Real-time conditions & 3-day outlook
14°C
Feels like 15°C
58°F / Feels 59°F
Sunny
Mission Viejo, California
🌞 Daytime
Updated: 2026-04-18 08:00
Humidity
84%
Wind
3.6 km/h SSW
Wind Gust
10.8 km/h
Pressure
1014 mb
Visibility
16 km
UV Index
0.8
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
12.9°C
Wind Degree
199°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
158.9 μg/m³
NO₂
4.7 μg/m³
O₃
160 μg/m³
SO₂
7.8 μg/m³
PM 2.5
17.1 μg/m³
PM 10
24.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Mission Viejo, California
12 AM
15°
Clear
1 AM
14°
Clear
2 AM
14°
Clear
3 AM
14°
Clear
4 AM
13°
Clear
5 AM
13°
Clear
6 AM
13°
Clear
7 AM
14°
Sunny
8 AM
14°
Sunny
9 AM
19°
Sunny
10 AM
23°
Sunny
11 AM
26°
Sunny
12 PM
27°
Sunny
1 PM
28°
Sunny
2 PM
29°
Sunny
3 PM
29°
Sunny
4 PM
27°
Sunny
5 PM
25°
Sunny
6 PM
23°
Sunny
7 PM
20°
Sunny
8 PM
18°
Clear
9 PM
18°
Clear
10 PM
17°
Overcast
11 PM
17°
Overcast
3-Day Forecast
Daily overview for Mission Viejo, California
Today
Sunny
30°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.3
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:24 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Partly Cloudy
23°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 55%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 8.1
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:25 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Sunny
22°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 56%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 9
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:26 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Best Time to Visit Mission Viejo
Plan your trip to Mission Viejo, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Mission Viejo?
Current conditions in Mission Viejo: Sunny, temperature 14°C, humidity 84%.
What is the best time to visit Mission Viejo?
The best time to visit Mission Viejo is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Mission Viejo?
Mission Viejo is located at approximately 33.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Mission Viejo?
The wettest period in Mission Viejo is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Mission Viejo?
For visits to Mission Viejo during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Mission Viejo in?
Mission Viejo is located in United States, in the state of California.
What are the public holidays in Mission Viejo in 2026?
View the 2026 public holidays for Mission Viejo on our Holidays page.
What are the GPS coordinates used for the weather forecast in Mission Viejo?
The weather forecast for Mission Viejo uses coordinates 33.5966, -117.6594.