Mission Viejo, CA Weather Forecast

Local 7-day forecast

71°
F

Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Mission Viejo, CA in one place.

Monday, May 25, 2026
Wind: 0 to 10 mph W
Memorial Day

Mostly cloudy, with a high near 71. West wind 0 to 10 mph.

Local 7-day forecast

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
Next High
71°F
Memorial Day
Next Low
54°F
Monday Night
Rain Outlook
1
Periods mentioning precipitation
Windiest
0 to 10 mph
Memorial Day

Daily Outlook

Today
May 25
Mostly Cloudy
71 °F
/ 54°F
Wind 0 to 10 mph
Tue
May 26
Partly Sunny
68 °F
/ 55°F
Wind 0 to 10 mph
Wed
May 27
Partly Sunny
67 °F
/ 54°F
Wind 5 to 10 mph
Thu
May 28
Mostly Sunny
69 °F
/ 54°F
Wind 0 to 10 mph
Fri
May 29
Sunny
71 °F
/ 55°F
Wind 0 to 10 mph
Sat
May 30
Sunny
75 °F
Wind 0 to 10 mph

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 source

Extended Forecast

Monday Night
May 25
54°F
Mostly Cloudy
0 to 10 mph W

Mostly cloudy, with a low around 54. West wind 0 to 10 mph.

Tuesday
May 26
68°F
Partly Sunny
0 to 10 mph SW

Partly sunny, with a high near 68.

Tuesday Night
May 26
55°F
Slight Chance Rain Showers
5 to 10 mph SW

A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 55.

Wednesday
May 27
67°F
Partly Sunny
5 to 10 mph S

Partly sunny, with a high near 67.

Wednesday Night
May 27
54°F
Mostly Cloudy
0 to 10 mph S

Mostly cloudy, with a low around 54.

Thursday
May 28
69°F
Mostly Sunny
0 to 10 mph S

Mostly sunny, with a high near 69.

Thursday Night
May 28
54°F
Mostly Clear
0 to 10 mph S

Mostly clear, with a low around 54.

Friday
May 29
71°F
Sunny
0 to 10 mph SW

Sunny, with a high near 71.

Friday Night
May 29
55°F
Mostly Clear
0 to 10 mph S

Mostly clear, with a low around 55.

Saturday
May 30
75°F
Sunny
0 to 10 mph S

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
Snow at Lake Mission Viejo 005
Snow at Lake Mission Viejo 005 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.