Mission Viejo, CA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Mission Viejo, CA in one place.
Mostly cloudy, with a high near 71. West wind 0 to 10 mph.
Local Weather Overview
This forecast page for Mission Viejo, 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: May 23, 2026 11:47 PM PDT.
The active forecast window currently covers May 25 to May 30, 2026 for Mission Viejo, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 23, 2026 11:47 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Mission Viejo
Saturday looks like the warmest upcoming period in Mission Viejo at 75 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Memorial Day at about 0 to 10 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 23, 2026 11:47 PM PDT
- Coverage
- 6 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 sourceExtended Forecast
Mostly cloudy, with a low around 54. West wind 0 to 10 mph.
Partly sunny, with a high near 68.
A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 55.
Partly sunny, with a high near 67.
Mostly cloudy, with a low around 54.
Mostly sunny, with a high near 69.
Mostly clear, with a low around 54.
Sunny, with a high near 71.
Mostly clear, with a low around 55.
Sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Mostly Cloudy
|
71°F |
0 to 10 mph
W
|
|
Monday Night
May 25
|
Mostly Cloudy
|
54°F |
0 to 10 mph
W
|
|
Tuesday
May 26
|
Partly Sunny
|
68°F |
0 to 10 mph
SW
|
|
Tuesday Night
May 26
|
Slight Chance Rain Showers
|
55°F |
5 to 10 mph
SW
|
|
Wednesday
May 27
|
Partly Sunny
|
67°F |
5 to 10 mph
S
|
|
Wednesday Night
May 27
|
Mostly Cloudy
|
54°F |
0 to 10 mph
S
|
|
Thursday
May 28
|
Mostly Sunny
|
69°F |
0 to 10 mph
S
|
|
Thursday Night
May 28
|
Mostly Clear
|
54°F |
0 to 10 mph
S
|
|
Friday
May 29
|
Sunny
|
71°F |
0 to 10 mph
SW
|
|
Friday Night
May 29
|
Mostly Clear
|
55°F |
0 to 10 mph
S
|
|
Saturday
May 30
|
Sunny
|
75°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mission Viejo.