Mission Viejo, CA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Mission Viejo, CA in one place.
Mostly clear, with a low around 69. North wind 0 to 5 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: Oct 8, 2026 6:02 AM PDT.
The active forecast window currently covers Oct 8 to Oct 14, 2026 for Mission Viejo, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 6:02 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Mission Viejo
Thursday looks like the warmest upcoming period in Mission Viejo at 93 degrees F.
Monday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 6:02 AM PDT
- Coverage
- 7 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
Sunny, with a high near 93. West wind 0 to 10 mph.
Patchy fog after 2am. Mostly clear, with a low around 68. West wind 0 to 5 mph.
Patchy fog before 11am. Sunny, with a high near 86. West wind 0 to 5 mph.
Patchy fog between 11pm and 5am. Partly cloudy, with a low around 66. Southeast wind 0 to 5 mph.
A slight chance of rain showers after 5pm. Mostly cloudy, with a high near 80. Chance of precipitation is 20%.
Rain showers likely. Mostly cloudy, with a low around 65.
Rain showers likely. Mostly cloudy, with a high near 75.
Rain showers likely. Mostly cloudy, with a low around 59.
Rain showers likely. Mostly cloudy, with a high near 72.
A chance of rain showers. Mostly cloudy, with a low around 57.
A chance of rain showers. Partly sunny, with a high near 72.
A chance of rain showers. Partly cloudy, with a low around 57.
A slight chance of rain showers before 11am. Sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 8
|
Mostly Clear
|
69°F |
0 to 5 mph
N
|
|
Thursday
Oct 8
|
Sunny
|
93°F |
0 to 10 mph
W
|
|
Thursday Night
Oct 8
|
Mostly Clear then Patchy Fog
|
68°F |
0 to 5 mph
W
|
|
Friday
Oct 9
|
Patchy Fog then Sunny
|
86°F |
0 to 5 mph
W
|
|
Friday Night
Oct 9
|
Patchy Fog
|
66°F |
0 to 5 mph
SE
|
|
Saturday
Oct 10
|
Mostly Cloudy then Slight Chance Rain Showers
|
80°F |
0 to 10 mph
S
|
|
Saturday Night
Oct 10
|
Rain Showers Likely
|
65°F |
5 to 10 mph
NW
|
|
Sunday
Oct 11
|
Rain Showers Likely
|
75°F |
5 to 15 mph
W
|
|
Sunday Night
Oct 11
|
Rain Showers Likely
|
59°F |
5 to 15 mph
SW
|
|
Columbus Day
Oct 12
|
Rain Showers Likely
|
72°F |
5 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Chance Rain Showers
|
57°F |
5 to 10 mph
NW
|
|
Tuesday
Oct 13
|
Chance Rain Showers
|
72°F |
5 to 10 mph
NW
|
|
Tuesday Night
Oct 13
|
Chance Rain Showers
|
57°F |
0 to 10 mph
N
|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers then Sunny
|
75°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mission Viejo.
