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Forecast confidence: High · models disagree by 2°F

Pasadena weather

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Mostly clear,much the same tomorrow

NWS, the American and the European model agree on a high near 92° in Pasadena today. Tomorrow looks partly cloudy around 93°, with a 6% chance of rain.

92°77°
93°75°
92°77°
94°78°
96°79°
95°79°
Todaymodels agreeTomorrowsplit ±4°Sundaymodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agree
NWSNational Blend (NBM)
92°
Mostly clear
Today 92°·Low 78°·Rain 2%
AmericanNOAA GFS
93°
Cloudy
Today 93°·Low 76°·Rain 2%
EuropeanECMWF
91°
Partly cloudy
Today 91°·Low 76°·Rain 6%
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Pasadena weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Pasadena weather in numbers

from 30 years of measured normals

Pasadena swings 48°F across the year, from 95°F highs in August to 47°F lows in January, and May is usually the wettest month in a year that brings about 73 in of precipitation.

Warmest month
August
95°F average high
Coldest month
January
47°F average low
Wettest month
May
73 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, February, March and April
Residents
154,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Mostly clear
92° 77°
models agree
Tomorrow
Partly cloudy
93° 75°
±4°
Sun
Light drizzle
92° 77°
models agree
Mon
Cloudy
94° 78°
models agree
Tue
Mostly clear
96° 79°
models agree
Wed
Mostly clear
95° 79°
models agree
Thu
Cloudy
93° 79°
models agree
Fri
Mostly clear
93° 77°
±7°
Sat
Mostly clear
93° 77°
±8°
Sun
Light drizzle
93° 77°
±7°
Mon
Light drizzle
93° 76°
±8°
Tue
Rain
87° 75°
models agree
Wed
Clear
88° 72°
models agree
Thu
Cloudy
89° 68°
±6°

Pasadena, Texas (TX) is at its warmest in Aug (average highs near 95°F) and coldest in Jan (lows around 47°F), with roughly 73 in of precipitation across the year. Below, compare what NWS, American, European forecast for Pasadena 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.

Pasadena climate by month

average daytime high and overnight low across a typical year
Jan
63°
47°
Feb
69°
52°
Mar
74°
59°
Apr
78°
62°
May
84°
70°
Jun
91°
75°
Jul
92°
77°
Aug
95°
79°
Sep
90°
74°
Oct
82°
65°
Nov
72°
57°
Dec
67°
51°

Which forecast is most accurate in Pasadena?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
95
/100rank #1
94±0.6°F98±0.8 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
70
/100rank #2
80±2.0°F94±1.9 mph4268% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°91° to 93°±4%2% to 6% chance
Tomorrow±4°91° to 95°±6%0% to 6% chance
Sunmodels agree92° to 93°±31%18% to 49% chance
Mon±1°93° to 95°±19%6% to 25% chance
Tue±1°95° to 96°±52%5% to 57% 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 Pasadena

today, local time
Sunrise
07:07
Sunset
19:22
Daylight
12h 15m

Common questions

What's the weather in Pasadena today?
On this page we show what NWS, American, European each forecast for Pasadena 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 Pasadena today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Pasadena 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 Pasadena?
Over the last 30 days, the European model has been the most accurate for Pasadena (CheckWeather Score 95/100), ahead of the American at 70. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Pasadena?
August is typically the warmest month in Pasadena, with average highs around 95°F.
How cold does Pasadena get?
The coldest month in Pasadena is January, when overnight lows average about 47°F.
How much rain does Pasadena get?
Pasadena sees roughly 73 in of precipitation a year, with May usually the wettest month.

Nearby

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