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CheckWeather USPasadena
Forecast confidence: Medium · models disagree by 5°F

Pasadena weather

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Mostly clear,rain likely tomorrow

NWS, the American and the European model put Pasadena's high today between 86° and 91°, a 5° split. Tomorrow looks light rain around 79°, with a 94% chance of rain.

89°62°
79°70°
90°70°
93°75°
98°79°
96°79°
Todaysplit ±5°Tomorrowsplit ±6°Mondaysplit ±8°Tuesdaysplit ±9°Wednesdaysplit ±11°Thursdaysplit ±7°
NWSNational Blend (NBM)
86°
Mostly clear
Today 86°·Low 62°·Rain 0%
AmericanNOAA GFS
91°
Mostly clear
Today 91°·Low 59°·Rain 0%
EuropeanECMWF
89°
Clear
Today 89°·Low 64°·Rain 6%

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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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
89° 62°
±5°
Tomorrow
Light rain
79° 70°
±6°
Mon
Mostly clear
90° 70°
±8°
Tue
Cloudy
93° 75°
±9°
Wed
Cloudy
98° 79°
±11°
Thu
Clear
96° 79°
±7°
Fri
Clear
90° 74°
±5°
Sat
Partly cloudy
85° 70°
models agree
Sun
Mostly clear
87° 68°
±10°
Mon
Clear
88° 70°
±7°
Tue
Light drizzle
91° 72°
±14°
Wed
Cloudy
93° 78°
models agree
Thu
Drizzle
89° 75°
±8°
Fri
Clear
89° 74°
±12°

Pasadena, CA is at its warmest in Jul (average highs near 90°F) and coldest in Feb (lows around 44°F), with roughly 35 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
60°
45°
Feb
61°
44°
Mar
61°
45°
Apr
70°
49°
May
72°
52°
Jun
78°
57°
Jul
90°
64°
Aug
89°
65°
Sep
84°
62°
Oct
82°
59°
Nov
71°
51°
Dec
67°
49°

Which forecast is most accurate in Pasadena?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
95
/100rank #1
93±0.7°F93±2.1 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
91
/100rank #2
78±2.2°F98±0.7 mph100100% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±5°86° to 91°±6%0% to 6% chance
Tomorrow±6°77° to 83°±52%42% to 94% chance
Mon±8°87° to 95°±10%3% to 13% chance
Tue±9°89° to 97°±2%6% to 8% chance
Wed±11°93° to 104°±2%10% to 12% 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
06:29
Sunset
19:13
Daylight
12h 44m

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 American model has been the most accurate for Pasadena (CheckWeather Score 95/100), ahead of the European at 91. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Pasadena?
July is typically the warmest month in Pasadena, with average highs around 90°F.
How cold does Pasadena get?
The coldest month in Pasadena is February, when overnight lows average about 44°F.
How much rain does Pasadena get?
Pasadena sees roughly 35 in of precipitation a year, with February usually the wettest month.

Nearby

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