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Climate and Environment

Your SoCal Weather Report For Friday, Nov 3: Warm Today, Cooling Trend Ahead

A geothermal map of Southern California in shades of orange, yellow and some green indicating temperature ranges.
Forecast highs for Friday — a cooling trend is set to begin on Saturday.
(
Courtesy NWS
)

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Happy Friday! We made it. Today's forecast is similar to yesterday's — warm and sunny. But on Saturday, a cooling trend begins.

Quick Facts
    • Today’s weather: Warm, sunny
    • Beaches: 70s
    • Mountains/deserts: 70s-80s/76-88
    • Inland: 80s
    • Warnings and advisories: Freeze warning

It's slightly cooler along the coast with highs in the 70s and there's some patchy fog over on the San Pedro Channel, especially around LAX, Long Beach and Huntington Beach until 11 a.m. If you're driving in the dense fog, slow down and make sure your lights are on.

In downtown Los Angeles, temperatures will reach up to 83 whereas in the valleys, the highs average in the mid 80s — the hottest parts of the San Fernando Valley will see a high of 88.

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Riverside and San Bernardino counties will see highs in the upper 80s whereas inland Orange County is a few degrees cooler with an average of 83.

In the high desert, temperatures will reach up to 76 and up to 86 in the low desert.

Tonight's lows will drop to the 50s for most of SoCal, including the low desert. In the high desert, including the Antelope Valley, the lowest temperatures will dip into the low 40s.

Taking a look ahead: Tomorrow will be a couple of degrees cooler and there's a chance some northerly winds will pass through the Interstate 5 corridor. The National Weather Service says the cooling trend will carry into next week.

About those advisories.

Freeze warning (expires 8 a.m. Friday)

  • Applies to the Antelope Valley. Frost could kill crops and other sensitive vegetation and extended exposure could lead to hypothermia for pets and people. Remember to check on your loved ones.
Tips
  • State law requires residential units to have heating systems that can keep indoor temperatures at a minimum of 70 degrees. That means every dwelling unit and guest room offered for rent or lease should offer heating equipment, usually central air conditioning (A/C) or a wall heater. — Caitlin Hernández

  • Use heat smartly to save money: Cranking things like the A/C and wall heaters can be expensive. If money is tight, be judicious about how and when you use your utilities. For example, only use heaters at night or only set the thermostat to around 70 degrees.

  • Open and close those vents: If you have central A/C, look at where the vents are around your home. Are any open in places where you don’t stay long? Practice opening and closing those so warm air only goes where you need it (most vents should have a small toggle lever). Humidifiers can also help you warm things up — and it’s useful to add moisture into our dry air.

  • Adjust your wall heaters: If you have a wall heater, you can change the output by adjusting the knob (usually at the bottom). Since wall heaters can only warm the areas where they’re placed, it’s essential to close doors to rooms you won’t be in so hot air doesn’t get wasted.

  • Turn on your ceiling fan (really): If you have a ceiling fan, try turning it on. This sounds counterintuitive, but there’s science behind it. The direction a fan turns can push air in different directions, and since hot air floats up, you’ll want to move that around. Your fan should spin clockwise to create an updraft to circulate. Not all fans will have this option, though.

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This day in history

On this day in 2002, a thick, dense fog cloaked Los Angeles and created a massive car pile-up on the 710 Freeway involving 194 vehicles.

Things to do

Looking for things to do this weekend? Search no more!

  • OC Fair and Event Center: Shop from more than 100 vendors who offer vintage, handmade, industrial, up-cycled and repurposed goods. While browsing, listen to live music and sip on cocktails. The Great Junk Hunt takes over the Anaheim Building, Los Alamitos Building, O.C. Promenade and The Hangar at the O.C. Fair.

Check out our full list of things to do this weekend.

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