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Los Angeles Marathon weather

What will race morning in Los Angeles cost you?

Los Angeles Marathon mornings around race day since 2021, by weather-model estimate: about 49°F (9°C) at 07:00 near Los Angeles. Most were 44 to 55°F.

Date
Sun, 7 Mar 2027
First start
07:00 local
Distance
26.2 mi
Mornings around race day at 07:00, by year
YearAirDew ptWindRain hrs
202549°F42°F4 mph9%
202449°F46°F4 mph9%
202349°F44°F3 mph18%
202249°F33°F4 mph0%
202148°F38°F3 mph9%

By weather-model estimate near the race, mornings around race day. Not station readings.

Course note

The ASICS Los Angeles Marathon runs across multiple city neighbourhoods. Check the organiser’s current map and transport plan, especially for the separate start and finish. Organiser route

Typical race morning114 days to go
4:00:004:00 to 4:03Edit goal

Past starts: 49°F typical, 44 to 55°F since 2021.Live forecast opens 21 February.

01 · The conditions

Race-day weather

114 days to goForecast opens 21 February

Race-day forecasts appear 14 days before the race. Until then, here is what race morning has looked like.

Explore historical weather
Example RunWeather race plan for a hot half marathon in Florida: goal pace against race-day pace, and how to spend it from start to finish

Example race: a hot half marathon in Florida

Powered by StravaWorks with Apple Health

Get Los Angeles race-morning weather on your phone when it opens.

Set up Los Angeles in the app now: your goal, your start, your pace plan. The race-morning forecast lands in it in race week.

Example RunWeather race plan for a hot half marathon in Florida: what slows you, heat and wind in minutes, then conditions from gun to finish

Example race: a hot half marathon in Florida

02 · Same effort, different day

What the weather may cost your goal

Goal finish time

Choose a popular time or set your own. Your pace and weather preview update as you edit.

Your goal pace9:09/mi · 4:00:00 finish
Same effort in this weather4:02:24+2:24 07:00 to 11:00 · five-year average

4:00:00 goal. On a typical race morning here, expect about 4:00 to 4:03. Main factor: heat.

  • Heat and sun+1%
  • Wind and comfort0%
  • Weather total+1%

RunWeather’s pace model at your goal effort, over every hour you are on course (07:00 to 11:00 local), weighted by the time you spend in each, using the five-year race-morning average. A planning preview, not a predicted finish. Hills, turns, shelter, fuelling and heat adaptation are not modelled here; rain is left out because a probability is not a measured rain rate. Explore the heat pace calculator.

View even-pace checkpoints
DistanceElapsed time
3.1 mi0:28:26
6.2 mi0:56:53
9.3 mi1:25:19
12.4 mi1:53:45
15.5 mi2:22:12
18.6 mi2:50:38
21.7 mi3:19:05
24.9 mi3:47:31
26.2 mi · Finish4:00:00

In the app

Your race plan, on race morning

Add the Los Angeles Marathon and the app keeps your plan current until the gun.

  • Goal pace against race-day pace

    What your goal is worth on this morning’s weather, per mi and at the finish.

  • How to spend it

    Start, middle and finish, against your average.

  • What slows you

    Heat, wind and hills, each in minutes.

Example RunWeather race plan for a hot half marathon in Florida: goal pace against race-day pace, and how to spend it from start to finish

Goal vs race day

Example RunWeather race plan for a hot half marathon in Florida: what slows you, heat and wind in minutes, then conditions from gun to finish

What slows you

Example race: a hot half marathon in Florida

Reference

Everything else about race morning

Open any row for the full detail.

  • The course26.2 mi · 205 to 487 ft

    The ASICS Los Angeles Marathon runs across multiple city neighbourhoods. Check the organiser’s current map and transport plan, especially for the separate start and finish.

    THE COURSE26.2 mi
    1×

    Zoom to drag the route. Keyboard: + / −, arrows, Home to reset.

    Los Angeles Marathon

    1×

    Zoom to drag the route. Keyboard: + / −, arrows, Home to reset.

    Course outline. Check the organiser for this year’s route.

    Start Finish2026 course

    2026 course. Check the organiser’s map for this year.

    ELEVATION205–487 ft
    0.0 mi
    Elevation
    485 ft
    160 ft284 ft408 ft532 ft0.0 mi9.2 mi16.6 mi26.2 mi

    Hover or drag to explore. Use ← → when focused.

    The 2026 course from RunWeather’s race catalogue; check the organiser’s current route. Elevation along that course, not confirmed for this year.
    01

    Compare conditions through the whole route window; the temperature can rise as the city warms.

    02

    Compare the conditions at your start and expected finish before settling on kit and effort.

    03

    Confirm late changes to the route, start wave and logistics with the organiser.

    Official race site ↗
  • Race-window historyLast 5 years, race date ±5 days

    A range for planning Los Angeles Marathon: weather near Los Angeles on race morning, the last 5 years (2021 to 2025, race date ±5 days). Not a forecast.

    Typical start-hour air49°F10th–90th percentile 44°F–55°F
    Dew point / humidity41°F75% relative humidity
    Start-hour wind3 mphDirection varies by day
    Hours with rain9%Historical frequency at this hour
    AIR THROUGH THE RUN

    The five-year picture

    49°F → 61°F by +4h
    07:00
    Air temperature
    49°F
    Humidity
    75%
    Wind
    3 mph
    Hours with rain
    9%
    40°F52°F65°F77°FStartGoal finish07:0009:0011:0013:00

    Hover or drag to explore. Use ← → when focused. Shading: middle 80% of sampled temperatures.

    Five-year average Middle 80% of sampled hours

    The sampled air warms by about 12°F across four hours. Check your expected finish-hour forecast, not just the start.

    WIND CONTEXT

    Where the breeze came from

    NN: 6 of 55 sampled start hours; mean 3 mphNENE: 26 of 55 sampled start hours; mean 3 mphEE: 13 of 55 sampled start hours; mean 4 mphSESE: 2 of 55 sampled start hours; mean 3 mphSS: 3 of 55 sampled start hours; mean 2 mphSWSW: 1 of 55 sampled start hours; mean 8 mphWW: 1 of 55 sampled start hours; mean 8 mphNWNW: 3 of 55 sampled start hours; mean 2 mph
    WIND FROMNE

    26 of 55 samples · 47%
    Mean 3 mph

    The petals show how often the wind came from each direction at the sampled start hour. They do not predict the direction on race day.

    A city-point wind rose cannot tell you which parts of the course will be sheltered or exposed. Use the live forecast and the organiser’s route map together.

    Method: 55 ERA5 hourly samples at 07:00 local time, across 11 calendar days per year in 2021–2025. The sample uses the hour containing the advertised first start; waves may start later. Grid weather is modelled reanalysis, not an on-course station reading. Open-Meteo Historical Weather API . Data generated 2026-10-28.

  • March climateAll-hours monthly averages

    March averages in Los Angeles, from 2022 to 2024. These are monthly conditions, not a race-day forecast.

    mean temperature
    57°F
    mean humidity
    69%
    mean wind
    6 mph
    hours with rain
    16%

    Monthly, all-hours averages for Los Angeles, 2022–2024. Not past race-day measurements or a forecast. Rain is the share of historical hours with precipitation, not the chance of rain on race day. Source: Open-Meteo ERA5.

    Explore running weather in Los Angeles
  • Los Angeles Marathon FAQs7 questions

    When is the 2027 Los Angeles Marathon?

    Los Angeles Marathon is listed for 7 March 2027. Confirm the latest details on the official event website before travelling.

    Is the weather shown a forecast for the Los Angeles Marathon?

    Only from about 14 days before the race, when the page shows the live race-day forecast. Before that, you see the weather near the city on the mornings around race day in the last 5 years: what is typical, not what will happen. Monthly averages, when shown, cover every hour of the race month.

    What is race morning usually like at the Los Angeles Marathon?

    Around the 07:00 start, mornings around race day near Los Angeles in the last 5 years averaged 49°F (9°C), 75% humidity and 6 km/h wind. Most started between 44°F and 55°F. This is weather near the city, not a reading from the race itself or a forecast.

    Which recent year had the warmest race morning at the Los Angeles Marathon?

    2024. Around race day that year it was about 49°F (10°C) around the 07:00 start, against 49°F (9°C) on an average year.

    Which recent year had the windiest race morning at the Los Angeles Marathon?

    2025, with about 7 km/h of wind around the 07:00 start. Over the last 5 years the wind here came mostly from the north-east.

    How should I pace the Los Angeles Marathon on a warm day?

    Take a 4:00:00 goal. Past race mornings here were cool. Expect no weather penalty at your goal. If race day comes in warmer, start a little easier than goal pace, run by feel to halfway and drink early. Plan my race gives your splits for the day.

    Can past years predict the weather on race day at the Los Angeles Marathon?

    No. They show what race morning is usually like, not what this year will bring. Check the live forecast in the last 14 days, look at the hours through your expected finish, and follow the organiser for start and course updates.

  • Sources and race informationOrganiser, weather data, guide reviewed 2026-10-12

    Past race-morning weather: Open-Meteo Historical Weather API, weather near the city from 2021 to 2025, updated 2026-10-28. Not official race-day readings.

    Guide reviewed . RunWeather is an independent guide, not the race organiser. Dates, waves and routes can change; the organiser’s latest instructions take priority. Course map: The 2026 course from RunWeather’s race catalogue; check the organiser’s current route.

Los Angeles race morning, on your phone.

Free on iPhone and Android. Your race plan, updated with the forecast until the gun.

Example RunWeather race plan for a hot half marathon in Florida: goal pace against race-day pace, and how to spend it from start to finish

Example race: a hot half marathon in Florida