5-day weather forecast Los Angeles Sep 9, 2026
43°Weather forecast Los Angeles today Sep 9, 2026: sunny, temperature from 23 °C to 43 °C.
Precipitation probability 15%. Wind up to 5.11 m/s (gusts 10.11 m/s). Air humidity 26–63%, atmospheric pressure 758–761 mm Hg, UV index up to 9.
Weather Alerts
Extreme Heat Warning issued September 9 at 7:44PM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with high temperatures in the 90s to near 100 on Thursday with
morning low temperatures in the 70s expected.
* WHERE...Santa Ana Mountains and Foothills.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Areas of Major HeatRisk. Very warm overnight
temperatures will limit relief from the heat.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Extreme Heat Warning issued September 9 at 7:44PM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with high temperatures of 90 to 100 on Thursday. Morning low
temperatures in the 70s expected.
* WHERE...Orange County Inland Areas.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Major HeatRisk through today. Moderate to
major HeatRisk on Thursday. Warm overnight temperatures will limit
relief from the heat.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Extreme Heat Warning issued September 9 at 2:25PM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with high temperatures of 90 to 100 on Thursday. Morning low
temperatures in the 70s expected.
* WHERE...Orange County Inland Areas.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Major HeatRisk through today. Moderate to
major HeatRisk on Thursday. Warm overnight temperatures will limit
relief from the heat.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Warning issued September 9 at 2:25PM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with high temperatures in the 90s to near 100 on Thursday with
morning low temperatures in the 70s expected.
* WHERE...Santa Ana Mountains and Foothills.
* WHEN...Until 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Areas of Major HeatRisk. Very warm overnight
temperatures will limit relief from the heat.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
5 days at a glance — tap a day to open it
Sunrise 06:32
Sunset 19:08
Sunset 19:08
New Moon2% illuminated
Moonrise 04:33 · Moonset 18:15
Moonrise 04:33 · Moonset 18:15
Chart
TableWed, Sep 9, 2026
Forecast from 23 °C to 43 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Air quality & pollen
Wed, Sep 9, 2026
Frequently asked questions about the 5-day weather in Los Angeles
What will the weather be like in Los Angeles over the next 5 days?
Over the next 5 days in Los Angeles the temperature is expected to range from about 21 to 43 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Los Angeles?
The chance of rain in Los Angeles over the next 5 days reaches 15%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Los Angeles?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Los Angeles will be the warmest and which the coolest?
Over the next 5 days the temperature in Los Angeles ranges from about 21 to 43 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Los Angeles over the next 5 days?
Over the next 5 days the wind in Los Angeles picks up to 5 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Los Angeles is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 15%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Los Angeles?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
Will I need an umbrella or sunscreen in Los Angeles this week?
Rain reaches a 15% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 9; sunscreen is worth it from about 3 upwards.
Los Angeles on the map
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.