Rancho Santa Margarita (92688) Daily Weather Forecast

UV Index Skyrockets In Rancho Santa Margarita: How High Is It?

Beach-bound or poolside? Wear your sunscreen and your sunglasses officials say. The UV rays are at their highest levels this week.

RSM's Heat Wave Lingers Into The Weekend, With Critical Fire Risk

A high-pressure system is sticking around longer than expected, keeping temperatures high through Sunday.

Heat Advisory In Effect For Inland Orange County Friday

The heatwave will continue to bake inland Orange County through Friday night before a cool-down moves in, according to the Weather Service.

Heatwave Arrives In Rancho Santa Margarita: Air Quality Report

Where will you beat the heat in Rancho Santa Margarita? Tips on staying cool on the hottest week of 2021, so far.

Balmy Weekend In Orange County As Another Heatwave Gears Up

Lake Forest, Anaheim temperatures into the 90s Friday, but relief, however short-lived, is within reach.

Wind Advisory In Rancho Santa Margarita: Gusts Up To 50 MPH

The National Weather Service alerted residents of a coming Santa Ana wind event in Orange County. Here is when the wind will start.

Silverado, Bond Fire Burn Scar Flash Flood Watch In Place

After a lull in the storms across Orange County, more rain is expected overnight, along with isolated thunderstorms.

Wind Returns To Rancho Santa Margarita This Weekend

Intervals of clouds and sunshine with strong winds heading to Rancho Santa Margarita.

Wind, Rain Here To Stay This Week In Rancho Santa Margarita

Snow in the mountains, high surf at the coast, as Orange County's wild weather continues for late January.

Top Wind Gusts Across Orange County Blow Residents Away

As winds blast across the Southland, here are some of the strongest gusts across inland and coastal Orange County.

Wind, Power Shutoffs Possible Across Rancho Santa Margarita

Extreme Santa Ana winds inland, strong surf at the coast, Orange County's wild weather continues the week of Jan. 19.

Summer Weather At Beach Red Flag Warning: Rancho Santa Margarita

A red flag warning of critical fire danger conditions is in effect from 4 p.m. Thursday to 4 p.m. Friday for inland Orange County.

Wind & Sun Rancho Santa Margarita Red Flag Warnings Inland OC

A red flag warning of critical fire danger conditions is in effect from 4 p.m. Thursday to 4 p.m. Friday for inland Orange County.

Rancho Santa Margarita Under No Burn Alert: Moderate Air Quality

If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the time you are active outside.

Heavy Rain Hits Rancho Santa Margarita To Start New Year's Week

A winter storm system slammed into Lake Forest Monday, bringing chilly temperatures, an extended chance of rain & threats of mudslides.

RSM Fire Weather Continues: Red Flag Warnings, High Surf

Rancho Santa Margarita's anticipated gusty winds and low humidity levels lead to wildfire conditions.

Rancho Santa Margarita Santa Anas Slow, Red Flag Warning Remains

Critical fire weather conditions will persist after Saturday due to continued dry air and locally gusty offshore winds, the NWS says.

Rancho Santa Margarita Power Outages Possible: Red Flag Warning

Are you at risk of a power outage in your Rancho Santa Margarita home? Here's how to find out if your power will be shut off overnight.

Rancho Santa Margarita Braces For Santa Anas: Fire, Wind Advisory

A wind advisory and fire weather watches are in place from Wednesday to Friday across Inland Orange County and Southland mountain areas.

Rancho Santa Margarita: Sunny, Warming Trend, Beach Hazards

Coastal overflow is possible Saturday through Tuesday due to astronomical high tides, the National Weather Service Says.

Rancho Santa Margarita Expects Measurable Rain This Weekend: NWS

A cold front promises a 20-degree drop in temperatures in just one day.

Flex Alerts For Rancho Santa Margarita, Heat Advisory Inland OC

Hot weather settled across Orange County until at least Friday, the National Weather Service says as residents were reminded to save energy.

Heat Advisory For Rancho Santa Margarita, Coastal Beach Weather

Patch reader Angela Madsen sent this photo of Laguna Beach, showcasing the gorgeous weather along the SoCal coastline.

Rancho Santa Margarita's Air Quality Suffers As Smoke Hovers

The Saddleback Valley's air quality is affected by fires raging across the state.

Balmy Weather Returns To Rancho Santa Margarita This Week

Perfect July weather returns to Orange County's coastline after the weekend heatwave weakens across southern California.

Heatwave Cooks Rancho Santa Margarita

It's going to be a scorching weekend!

Heat Advisory, Elevated Fire Danger In Rancho Santa Margarita

High heat, low humidity in Orange County, but no red flag warnings in place as summer arrives.

Heatwave Sparks Fire Watches Across Orange County

High temperatures, high winds, and low humidity are the recipes for fire danger in Orange County's inland areas.

Rancho Santa Margarita Memorial Day Weather, Heat Wave To Follow

As we remember our vets, how will you celebrate Memorial Day holiday differently this year in RSM? Go out? or stay safer at home?

Warm Weather Ahead For Rancho Santa Margarita

Santa Ana winds are on their way back to the Southland, bringing along with it some much-needed sunshine. How will you enjoy the sun today?

Pair Of Pacific Storms To Pummel Rancho Santa Margarita

The first of two storms is expected to reach the coast Friday night, starting off days of on-and-off rain.

Rainy Weather, Thunderstorms Head To Rancho Santa Margarita

Rainy weather, possibly well over 1 inch, is expected across Southern California this week as the atmospheric river dips into the region.

Grab Your Umbrella! Rain Likely In Rancho Santa Margarita

A new weather system is rolling in, and Orange County residents should prepare for a series of storms through next week.

Rain Follows Summer Weather In Orange County

Unseasonably warm temperatures end this weekend as a cold, rainy weather system sweeps down along the California coast.

Santa Ana Winds, Summer Weather Gusts Into Rancho Santa Margarita

A Santa Ana wind event will blow through Orange County through Thursday, with the strongest expected Tuesday and Wednesday, NWS says.

Windy, Chilly Weather Slams Rancho Santa Margarita, Orange County

A high wind warning was in place for much of OC. Winds followed a brief rainstorm in Orange County and are expected to continue overnight.

Storm To Bring Rain And Cooler Temps To Rancho Santa Margarita

After a couple days of slightly warmer temperatures, a storm is expected to bring rain to the Southland.

How Windy Was It In Rancho Santa Margarita? Strong Gusts In OC

Gusty winds kept much of Orange County awake overnight. Here are the strongest wind gusts in the county during this Santa Ana wind event.

Rancho Santa Margarita Expects High Winds, OC Beach Hazards

The National Weather Service warns much of Orange County to prepare for high winds through the middle of the week.

O.C. Temps To Climb Above Normal

Some Orange County cities will see the thermometer hitting 80 degrees -- areas that typically linger in the 60s this time of year.