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Larchmont weather

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NWSNational Blend (NBM)
58°
Clear
Feels 58° · Wind 4 mph · Humidity 85%
AmericanNOAA GFS
57°
Clear
Feels 56° · Wind 2 mph · Humidity 73%
EuropeanECMWF
54°
Partly cloudy
Feels 54° · Wind 2 mph · Humidity 99%

Latest for Larchmont: NWS (National Blend (NBM)): 58° Clear · American (NOAA GFS): 57° Clear · European (ECMWF): 54° Partly cloudy.

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Larchmont weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Larchmont weather in numbers

from 30 years of measured normals

Larchmont swings 44°F across the year, from 86°F highs in August to 42°F lows in December, and February is usually the wettest month in a year that brings about 16 in of precipitation.

Warmest month
August
86°F average high
Coldest month
December
42°F average low
Wettest month
February
16 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, March, April and May
Residents
9,195
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The weather map: all three models at once

NWS, American, European side by side around Larchmont and nearby towns.Live rain radar →
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Larchmont hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Larchmont 10-day forecast, out to 14 days

where the models agree, and where they split

Larchmont, California (CA) is at its warmest in Aug (average highs near 86°F) and coldest in Dec (lows around 42°F), with roughly 16 in of precipitation across the year. Below, compare what NWS, American, European forecast for Larchmont right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Larchmont climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
63°
45°
Feb
65°
46°
Mar
66°
49°
Apr
71°
50°
May
74°
56°
Jun
79°
59°
Jul
85°
59°
Aug
86°
61°
Sep
84°
63°
Oct
79°
54°
Nov
73°
48°
Dec
64°
42°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Larchmont has changed since 1995

Larchmont sits in the same roughly 50 km square of NASA's reanalysis as Los Angeles. That square ran 1.1°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Los Angeles page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Larchmont today?
On this page we show what NWS, American, European each forecast for Larchmont today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Larchmont today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Larchmont and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Larchmont?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Larchmont forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Larchmont?
August is typically the warmest month in Larchmont, with average highs around 86°F.
How cold does Larchmont get?
The coldest month in Larchmont is December, when overnight lows average about 42°F.
How much rain does Larchmont get?
Larchmont sees roughly 16 in of precipitation a year, with February usually the wettest month.

Nearby

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