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CheckWeather USDowney
Forecast confidence: Medium · models disagree by 6°F

Downey weather

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Clear,rain likely tomorrow

NWS, the American and the European model put Downey's high today between 88° and 93°, a 6° split. Tomorrow looks heavy drizzle around 81°, with a 95% chance of rain, and the models disagree, so treat it as uncertain.

91°65°
81°70°
91°69°
92°73°
96°76°
96°76°
Todaysplit ±6°Tomorrowsplit ±9°Mondaysplit ±9°Tuesdaysplit ±5°Wednesdaysplit ±7°Thursdaysplit ±8°
NWSNational Blend (NBM)
88°
Mostly clear
Today 88°·Low 66°·Rain 1%
AmericanNOAA GFS
93°
Clear
Today 93°·Low 64°·Rain 1%
EuropeanECMWF
91°
Clear
Today 91°·Low 65°·Rain 20%

The weather map: all three models at once

NWS, American, European side by side around Downey 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
Clear
91° 65°
±6°
Tomorrow
Heavy drizzle
81° 70°
±9°
Mon
Mostly clear
91° 69°
±9°
Tue
Cloudy
92° 73°
±5°
Wed
Cloudy
96° 76°
±7°
Thu
Clear
96° 76°
±8°
Fri
Clear
88° 74°
±6°
Sat
Mostly clear
83° 71°
±5°
Sun
Mostly clear
85° 69°
models agree
Mon
Mostly clear
86° 70°
models agree
Tue
Light drizzle
88° 71°
±12°
Wed
Cloudy
90° 74°
±5°
Thu
Mostly clear
86° 72°
±7°
Fri
Clear
86° 72°
±11°

Downey, CA is at its warmest in Jul (average highs near 88°F) and coldest in Jan (lows around 45°F), with roughly 27 in of precipitation across the year. Below, compare what NWS, American, European forecast for Downey 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.

Downey climate by month

average daytime high and overnight low across a typical year
Jan
63°
45°
Feb
63°
45°
Mar
64°
48°
Apr
72°
51°
May
73°
56°
Jun
79°
60°
Jul
88°
64°
Aug
87°
64°
Sep
84°
63°
Oct
83°
58°
Nov
75°
51°
Dec
70°
49°

Which forecast is most accurate in Downey?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
93
/100rank #1
89±1.1°F91±2.7 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
92
/100rank #2
82±1.8°F97±1.1 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±6°88° to 93°±19%1% to 20% chance
Tomorrow±9°76° to 85°±54%41% to 95% chance
Mon±9°87° to 97°±17%3% to 20% chance
Tue±5°90° to 95°±2%6% to 8% chance
Wed±7°94° to 100°models agree10% to 10% 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 Downey

today, local time
Sunrise
06:29
Sunset
19:13
Daylight
12h 44m

Common questions

What's the weather in Downey today?
On this page we show what NWS, American, European each forecast for Downey 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 Downey today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Downey 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 Downey?
Over the last 30 days, the American model has been the most accurate for Downey (CheckWeather Score 93/100), ahead of the European at 92. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Downey?
July is typically the warmest month in Downey, with average highs around 88°F.
How cold does Downey get?
The coldest month in Downey is January, when overnight lows average about 45°F.
How much rain does Downey get?
Downey sees roughly 27 in of precipitation a year, with February usually the wettest month.

Nearby

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