Diamond Bar-Walnut (91765) Daily Weather Forecast

Diamond Bar Advises Residents To Maintain Slopes Ahead Of Rainy Season

The city recommended property owners take several precautions before the rainy season begins.

Santa Anas To Batter Diamond Bar-Walnut

An unusually dry and windy January is giving way to a dry, windy start to February.

Diamond Bar Hit With Heavy Rain To Kick Off New Year's Weekend

The storm could make travel "very difficult to impossible" in parts of Diamond Bar and Walnut, the National Weather Service reports.

Fast-Moving Storm To Drench Diamond Bar-Walnut

The National Weather Service forecast a deluge of heavy rainfall and snow in the local mountains Monday, kicking off a workweek of storms.

Is It Too Late For The Leonard 'Christmas Comet' In Diamond Bar?

We may still be able to see comet Leonard and its impressive tail in Diamond Bar and Walnut through the end of the year, but look soon.

Winds Up To 30 MPH In Diamond Bar And Walnut Prompt Fire Warning

Hot and dry winds are expected to hit Southern California this week, threatening to kill power for roughly 98,000 SoCal Edison customers.

No-Burn Order Extended Until Saturday Night In Diamond Bar-Walnut

All indoor and outdoor residential wood burning in Diamond Bar and Walnut is prohibited due to anticipated high air pollution.

Diamond Bar Could See Up To 2 Inches Of Rain With Monday's Storm

The storm system that brought heavy rains to the Pacific Northwest and Bay Area has made its way to Southern California.

Heavy Winds Pummel Diamond Bar-Walnut

Cool blustery conditions brought snow to SoCal mountains, dust storms and ongoing power outages.

Smoke From NorCal Wildfires Could Drift Into Southland: Advisory

The South Coast Air Quality Management District has issued an advisory for portions of Los Angeles, Riverside and San Bernardino counties.

Delta Aquariids, Perseid Meteors In Diamond Bar: Peak Dates

Plan your summer nights in Diamond Bar around two meteor showers: the long-running Delta Aquariids and the fireball-producing Perseids.

Diamond Bar Library To Act As Cooling Center During Heatwave

Los Angeles County is under a heat advisory through the rest of the week as the area faces scorching temperatures.

Santa Ana Winds, Summer Weather Gusts Into Diamond Bar, Walnut

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

Storm To Bring Rain And Cooler Temps To Diamond Bar-Walnut

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

Wind Advisories Continue: How Windy Was It In San Gabriel Valley

Much of San Gabriel Valley remained under a wind advisory through Friday. Wind gusts in the mountains reached these speeds.

San Gabriel Valley Forecast Calls For Rainy Christmas Week

It's frightful across the southland, but a slight break on Christmas Eve for last-minute shoppers! Rain will be delightful on Christmas day!

Thanksgiving Storm To Wreak Havoc In Diamond Bar

One to two inches of rain are expected along the coast and valleys and up to three inches in the mountains and foothills.

Flood Advisory In Diamond Bar

An urban and small stream flood advisory was released for much of southwestern California until 1:30 p.m.

San Gabriel Valley Air Quality To Be In Unhealthy Range Saturday

The South Coast Air Quality Management District says that air quality will be in the unhealthy range in the San Gabriel Valley on Saturday.

Smog Warning For Diamond Bar Residents Sensitive To Air Pollution

Air quality is in the good to unhealthy range in the South Coast Air Basin on Thursday, according to South Coast Air Quality Management.

Smog Alert: San Gabriel Valley Air Quality Close To Unhealthy

Air quality could be in the moderate to unhealthy range for sensitive groups in the San Gabriel Valley on Wednesday, the SCAQMD says.

Wind Advisory For San Gabriel Valley: Diamond Bar, Walnut

Expect gusting winds to continue into Saturday, the National Weather Service said.

Storm Batters Diamond Bar, Brings Warnings Of Possible Flooding

The heavy rain will create treacherous travel conditions, raising fears of widespread street flooding and debris flow throughout the county.

Rain, Winter Weather Continues: Forecast For Diamond Bar

A red sky to begin New Year's week turns to rain, cold and clouds across the Southland, according to the National Weather Service.

New Year's Day, Week Forecast For Diamond Bar

Expect cooler days, chilly nights through New Year's Day; Rain on Sunday, with high temperatures rising to 66°F on Friday.

Christmas Weather Forecast For Diamond Bar

What will your weather look like Christmas morning and Boxing Day? Patch has your happy holiday forecast!

Diamond Bar, Walnut Weather Still Delightful: Weekly Forecast

We've got your forecast all the way to Christmas Eve! No precipitation throughout the week, with high temps rising to 79°F on Thursday.

No Burn Alert In Diamond Bar, San Gabriel Valley

Partly cloudy conditions continue, slight warming trend for the area. A no-burn alert was in place across the county.

Rain Returns To Diamond Bar How Much And When

Rain on Wednesday, with high temperatures bottoming out at 58°F on Wednesday.

Rain & Cold Ahead For Diamond Bar; High Surf On Coast

Rain tomorrow through Saturday, with high temperatures falling to 60°F on Thursday. High surf advisories for the LA and OC Coastal areas.

Weekend Weather Forecast For Diamond Bar, Walnut

Here is your holiday weekend forecast! with high temperatures rising to 79°F on Tuesday.

Thanksgiving, Black Friday Forecast For Diamond Bar, Walnut

Light rain on Thanksgiving Day, here is your holiday weekend forecast! with high temperatures rising to 79°F on Tuesday.

Air Quality Report For Diamond Bar: No Burn Alert In Effect

San Gabriel Valey air quality hovers at moderate to unhealthy for sensitive groups levels, while the state sees record poor air after fires.

Smoky Skies, Air Quality Report For Walnut, Diamond Bar

"It is difficult to tell where ash or soot from a fire will go or how winds will affect the level of dust particles in the air" experts say.

Diamond Bar No Burn Alert Extended; Weather Warm Up Coming

The weather is warming up, and a no-burn was in effect through late Tuesday night, for LA, Orange County and the South Coast Air Basin.

Warm Dry Weather Continues In Diamond Bar-Walnut

No precipitation throughout the week, with high temperatures peaking at 87°F on Saturday.

Weather In Diamond Bar Warms Up For Halloween Week

Warm enough for you? Now that Halloween is in the 7-day forecast, SGV weather is heating up. Here's what to expect through Nov. 1.

Diamond Bar Winds Return, Fire Threat Grows This Weekend

Heavy wind gusts and dry vegetation will make for extreme fire danger across the LA region.

High Surf Advisory For Beaches, Weekend Rain Likely: Diamond Bar

Strong rip currents and big waves continue to batter the Los Angeles coastline. Rain may be on the way.

Weather Forecast For Diamond Bar-Walnut This Week

No precipitation throughout the week, with high temperatures rising to 94°F on Thursday.