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Los Alamos weather

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NWSNational Blend (NBM)
69°
Mainly clear
Feels 67° · Wind 7 mph · Humidity 46%
AmericanNOAA GFS
69°
Mainly clear
Feels 68° · Wind 7 mph · Humidity 57%
EuropeanECMWF
68°
Light drizzle
Feels 69° · Wind 5 mph · Humidity 54%

Latest for Los Alamos: NWS (National Blend (NBM)): 69° Mainly clear · American (NOAA GFS): 69° Mainly clear · European (ECMWF): 68° Light drizzle.

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Los Alamos weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Los Alamos weather in numbers

from 30 years of measured normals

Los Alamos swings 67°F across the year, from 83°F highs in July to 16°F lows in January, and May is usually the wettest month in a year that brings about 22 in of precipitation.

Warmest month
July
83°F average high
Coldest month
January
16°F average low
Wettest month
May
22 in a year
Below freezing
5 months
January, February, March, November and December
Comfortable
4 months
April, June, September and October
Residents
12,000
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The weather map: all three models at once

NWS, American, European side by side around Los Alamos and nearby towns.Live rain radar →
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Los Alamos 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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Los Alamos 10-day forecast, out to 14 days

where the models agree, and where they split

Los Alamos, New Mexico (NM) is at its warmest in Jul (average highs near 83°F) and coldest in Jan (lows around 16°F), with roughly 22 in of precipitation across the year. Below, compare what NWS, American, European forecast for Los Alamos 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.

Los Alamos climate by month

average daytime high and overnight low across a typical year
Jan
33°
16°
Feb
39°
19°
Mar
46°
25°
Apr
60°
33°
May
68°
44°
Jun
78°
54°
Jul
83°
60°
Aug
80°
58°
Sep
73°
51°
Oct
64°
43°
Nov
47°
28°
Dec
40°
24°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 mph4972% 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 Los Alamos today?
On this page we show what NWS, American, European each forecast for Los Alamos 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 Los Alamos today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Los Alamos 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 Los Alamos?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Los Alamos 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 Los Alamos?
July is typically the warmest month in Los Alamos, with average highs around 83°F.
How cold does Los Alamos get?
The coldest month in Los Alamos is January, when overnight lows average about 16°F.
How much rain does Los Alamos get?
Los Alamos sees roughly 22 in of precipitation a year, with May usually the wettest month.

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