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CheckWeather USArcadia
Forecast confidence: Medium · models disagree by 7°F

Arcadia weather

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Mostly clear,rain likely tomorrow

NWS, the American and the European model put Arcadia's high today between 88° and 95°, a 7° split. Tomorrow looks light rain around 80°, with a 95% chance of rain, and the models disagree, so treat it as uncertain.

91°63°
80°69°
91°69°
93°74°
99°77°
97°77°
Todaysplit ±7°Tomorrowsplit ±10°Mondaysplit ±10°Tuesdaysplit ±8°Wednesdaysplit ±9°Thursdaysplit ±6°
NWSNational Blend (NBM)
88°
Mostly clear
Today 88°·Low 64°·Rain 0%
AmericanNOAA GFS
95°
Cloudy
Today 95°·Low 62°·Rain 0%
EuropeanECMWF
92°
Light drizzle
Today 92°·Low 63°·Rain 35%

The weather map: all three models at once

NWS, American, European side by side around Arcadia and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
91° 63°
±7°
Tomorrow
Light rain
80° 69°
±10°
Mon
Mostly clear
91° 69°
±10°
Tue
Cloudy
93° 74°
±8°
Wed
Cloudy
99° 77°
±9°
Thu
Clear
97° 77°
±6°
Fri
Clear
91° 74°
models agree
Sat
Clear
86° 69°
models agree
Sun
Mostly clear
87° 68°
±5°
Mon
Clear
89° 69°
±5°
Tue
Light drizzle
92° 71°
±14°
Wed
Cloudy
93° 76°
±5°
Thu
Drizzle
90° 73°
±6°
Fri
Clear
89° 72°
±10°

Arcadia, CA is at its warmest in Jul (average highs near 93°F) and coldest in Feb (lows around 43°F), with roughly 36 in of precipitation across the year. Below, compare what NWS, American, European forecast for Arcadia 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.

Arcadia climate by month

average daytime high and overnight low across a typical year
Jan
61°
44°
Feb
61°
43°
Mar
62°
45°
Apr
72°
49°
May
74°
53°
Jun
81°
58°
Jul
93°
66°
Aug
92°
67°
Sep
86°
63°
Oct
83°
59°
Nov
72°
49°
Dec
68°
48°

Which forecast is most accurate in Arcadia?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
94
/100rank #1
90±1.0°F92±2.5 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
91
/100rank #2
80±2.0°F96±1.3 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±7°88° to 95°±35%0% to 35% chance
Tomorrow±10°75° to 86°±47%48% to 95% chance
Mon±10°88° to 98°±18%3% to 21% chance
Tue±8°91° to 99°±6%6% to 12% chance
Wed±9°95° to 104°±2%9% to 11% 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 Arcadia

today, local time
Sunrise
06:28
Sunset
19:12
Daylight
12h 44m

Common questions

What's the weather in Arcadia today?
On this page we show what NWS, American, European each forecast for Arcadia 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 Arcadia today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Arcadia 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 Arcadia?
Over the last 30 days, the American model has been the most accurate for Arcadia (CheckWeather Score 94/100), 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 Arcadia?
July is typically the warmest month in Arcadia, with average highs around 93°F.
How cold does Arcadia get?
The coldest month in Arcadia is February, when overnight lows average about 43°F.
How much rain does Arcadia get?
Arcadia sees roughly 36 in of precipitation a year, with February usually the wettest month.

Nearby

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