Rancho Santa Margarita, CA Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Rancho Santa Margarita, CA in one place.
Patchy fog. Partly cloudy, with a low around 60. East wind around 0 mph.
Local Weather Overview
This forecast page for Rancho Santa Margarita, 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: Jun 10, 2026 5:25 AM PDT.
The active forecast window currently covers Jun 10 to Jun 16, 2026 for Rancho Santa Margarita, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 16, 2026
- Latest sync
- Jun 10, 2026 5:25 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rancho Santa Margarita
Friday looks like the warmest upcoming period in Rancho Santa Margarita at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 10 mph SW.
The forecast from Jun 10 through Jun 16 stays mostly dry.
Forecast Details
- Last updated
- Jun 10, 2026 5:25 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
Patchy fog before 8am. Sunny, with a high near 81. Southwest wind 0 to 10 mph.
Patchy fog between 2am and 5am. Partly cloudy, with a low around 60. South wind 0 to 5 mph.
Sunny, with a high near 80. Southwest wind 0 to 5 mph.
Patchy fog after 11pm. Partly cloudy, with a low around 61. Southeast wind 0 to 5 mph.
Patchy fog before 8am. Mostly sunny, with a high near 82.
Partly cloudy, with a low around 62.
Sunny, with a high near 81.
Partly cloudy, with a low around 60.
Sunny, with a high near 79.
Partly cloudy, with a low around 59.
Sunny, with a high near 79.
Partly cloudy, with a low around 59.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 10
|
Patchy Fog
|
60°F |
0 mph
|
|
Wednesday
Jun 10
|
Patchy Fog then Sunny
|
81°F |
0 to 10 mph
SW
|
|
Wednesday Night
Jun 10
|
Partly Cloudy then Patchy Fog
|
60°F |
0 to 5 mph
S
|
|
Thursday
Jun 11
|
Sunny
|
80°F |
0 to 5 mph
SW
|
|
Thursday Night
Jun 11
|
Patchy Fog
|
61°F |
0 to 5 mph
SE
|
|
Friday
Jun 12
|
Patchy Fog then Mostly Sunny
|
82°F |
0 to 5 mph
W
|
|
Friday Night
Jun 12
|
Partly Cloudy
|
62°F |
0 to 5 mph
W
|
|
Saturday
Jun 13
|
Sunny
|
81°F |
0 to 10 mph
W
|
|
Saturday Night
Jun 13
|
Partly Cloudy
|
60°F |
0 to 5 mph
SW
|
|
Sunday
Jun 14
|
Sunny
|
79°F |
0 to 5 mph
S
|
|
Sunday Night
Jun 14
|
Partly Cloudy
|
59°F |
0 to 5 mph
SW
|
|
Monday
Jun 15
|
Sunny
|
79°F |
0 to 10 mph
SW
|
|
Monday Night
Jun 15
|
Partly Cloudy
|
59°F |
0 to 5 mph
W
|
|
Tuesday
Jun 16
|
Sunny
|
79°F |
0 to 5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rancho Santa Margarita.
