Rancho Santa Margarita, CA Weather Forecast

Local 7-day forecast

68°

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Rancho Santa Margarita, CA in one place.

Wednesday, April 22, 2026

Wind: 5 to 10 mph W

Wednesday

Mostly sunny, with a high near 68.

Local 7-day forecast

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: Apr 19, 2026 6:28 PM PDT.

The active forecast window currently covers Apr 22 to Apr 25, 2026 for Rancho Santa Margarita, CA.

Page Snapshot

Page focus: city weather
Forecast window: Apr 22 to Apr 25, 2026
Latest sync: Apr 19, 2026 6:28 PM PDT
Forecast office: SGX
Source: NOAA / NWS

Next High

68°F

Wednesday

Next Low

50°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 10 mph

Wednesday

Daily Outlook

Today

Apr 22

Mostly Sunny

68 °F

/ 50°F

Wind 5 to 10 mph

Thu

Apr 23

Mostly Sunny

73 °F

/ 53°F

Wind 5 to 10 mph

Fri

Apr 24

Mostly Sunny

73 °F

/ 54°F

Wind 5 to 10 mph

Sat

Apr 25

Partly Sunny

70 °F

/ 53°F

Wind 5 to 10 mph

This Week in Rancho Santa Margarita

Thursday looks like the warmest upcoming period in Rancho Santa Margarita at 73 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 50 degrees F.

The strongest winds are forecast for Wednesday at about 5 to 10 mph W.

The forecast from Apr 22 through Apr 25 stays mostly dry.

Forecast Details

Last updated: Apr 19, 2026 6:28 PM PDT
Coverage: 5 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

Wednesday Night

Apr 22

50°F

Mostly Clear

5 to 10 mph SE

Mostly clear, with a low around 50.

Thursday

Apr 23

73°F

Mostly Sunny

5 to 10 mph S

Mostly sunny, with a high near 73.

Thursday Night

Apr 23

53°F

Partly Cloudy

5 to 10 mph S

Partly cloudy, with a low around 53.

Friday

Apr 24

73°F

Mostly Sunny

5 to 10 mph S

Mostly sunny, with a high near 73.

Friday Night

Apr 24

54°F

Partly Cloudy

5 to 10 mph SW

Partly cloudy, with a low around 54.

Saturday

Apr 25

70°F

Partly Sunny

5 to 10 mph SW

Partly sunny, with a high near 70.

Saturday Night

Apr 25

53°F

Mostly Cloudy

5 to 10 mph SW

Mostly cloudy, with a low around 53.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Apr 22	Mostly Sunny	68°F	5 to 10 mph W	Mostly sunny, with a high near 68.
Wednesday Night Apr 22	Mostly Clear	50°F	5 to 10 mph SE	Mostly clear, with a low around 50.
Thursday Apr 23	Mostly Sunny	73°F	5 to 10 mph S	Mostly sunny, with a high near 73.
Thursday Night Apr 23	Partly Cloudy	53°F	5 to 10 mph S	Partly cloudy, with a low around 53.
Friday Apr 24	Mostly Sunny	73°F	5 to 10 mph S	Mostly sunny, with a high near 73.
Friday Night Apr 24	Partly Cloudy	54°F	5 to 10 mph SW	Partly cloudy, with a low around 54.
Saturday Apr 25	Partly Sunny	70°F	5 to 10 mph SW	Partly sunny, with a high near 70.
Saturday Night Apr 25	Mostly Cloudy	53°F	5 to 10 mph SW	Mostly cloudy, with a low around 53.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Rancho Santa Margarita.

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Rancho Santa Margarita California photo D Ramey Logan 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.