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Forecast confidence: High · models disagree by 1°F

Carlsbad weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 74° in Carlsbad today. Tomorrow: mostly clear, around 77°, with a 3% chance of rain.

74°56°
77°57°
78°61°
75°59°
74°58°
73°59°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaysplit ±6°Thursdaysplit ±6°
NWSNational Blend (NBM)
74°
Clear
Today 74°·Low 55°·Rain 4%
AmericanNOAA GFS
73°
Clear
Today 73°·Low 57°·Rain 4%
EuropeanECMWF
74°
Clear
Today 74°·Low 55°·Rain 27%
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Carlsbad weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Carlsbad weather in numbers

measured normals and 10 years of recorded weather

Carlsbad swings 28°F across the year, from 76°F highs in September to 48°F lows in December, and February is usually the wettest month in a year that brings about 12 in of precipitation. Over 10 years of recorded weather it averages 36 days a year at 77°F or above, 3 of them at 86°F or above, 0 frost nights, and rain on 45 days.

Warmest month
September
76°F average high
Coldest month
December
48°F average low
Wettest month
February
12 in a year
Comfortable
4 months
January, March, April and May
Residents
115,000
share this forecast
Most accurate here
American
91/100 CheckWeather Score
Warm days
36 days
a year at 77°F or above
Frost nights
0 nights
a year below 32°F
Rain days
45 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Carlsbad’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

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

where the models agree, and where they split
Today
Clear
74° 56°
models agree
Tomorrow
Mostly clear
77° 57°
models agree
Mon
Mostly clear
78° 61°
models agree
Tue
Partly cloudy
75° 59°
±5°
Wed
Cloudy
74° 58°
±6°
Thu
Partly cloudy
73° 59°
±6°
Fri
Drizzle
71° 62°
models agree
Sat
Heavy drizzle
72° 60°
±5°
Sun
Light rain
73° 60°
±13°
Mon
Drizzle
74° 61°
±14°
Tue
Light drizzle
76° 62°
models agree
Wed
Light drizzle
73° 61°
models agree
Thu
Partly cloudy
74° 61°
models agree

Carlsbad, California (CA) is at its warmest in Sep (average highs near 76°F) and coldest in Dec (lows around 48°F), with roughly 12 in of precipitation across the year. Below, compare what NWS, American, European forecast for Carlsbad 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.

Carlsbad climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
62°
49°
Feb
61°
49°
Mar
62°
51°
Apr
64°
54°
May
67°
59°
Jun
70°
61°
Jul
74°
63°
Aug
75°
64°
Sep
76°
64°
Oct
72°
57°
Nov
69°
52°
Dec
62°
48°

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

How the weather around Carlsbad has changed since 1995

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

Which forecast is most accurate in Carlsbad?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
91
/100rank #1
86±1.4°F95±1.6 mph9597% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
73
/100rank #2
38±6.2°F97±1.1 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°73° to 74°±23%4% to 27% chance
Tomorrow±2°76° to 78°±3%0% to 3% chance
Mon±2°77° to 79°models agree0% to 0% chance
Tue±5°73° to 78°models agree0% to 0% chance
Wed±6°71° to 77°models agree0% to 0% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Carlsbad

today, local time
Sunrise
07:01
Sunset
18:05
Daylight
11h 4m

Common questions

What's the weather in Carlsbad today?
Saturday, October 24: NWS, the American and the European model agree on a high near 74° in Carlsbad today. Tomorrow: mostly clear, around 77°, with a 3% chance of rain. The forecast on this page refreshes live.
Will it rain in Carlsbad today or tomorrow?
Rain looks unlikely in Carlsbad on Sunday, October 25: no model gives more than 3% (NWS 3%, American 3%, European 0%). On Saturday, October 24 the highest chance of rain from any model is 27%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Carlsbad?
Over the last 30 days, the American model has been the most accurate for Carlsbad (CheckWeather Score 91/100), ahead of the European at 73. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Carlsbad?
September is typically the warmest month in Carlsbad, with average highs around 76°F.
How cold does Carlsbad get?
The coldest month in Carlsbad is December, when overnight lows average about 48°F.
How much rain does Carlsbad get?
Carlsbad sees roughly 12 in of precipitation a year, with February usually the wettest month.

Nearby

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