Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USWest Covina
Forecast confidence: Medium · models disagree by 6°F

West Covina weather

Loading live data…

Mostly clear,rain likely tomorrow

NWS, the American and the European model put West Covina's high today between 88° and 94°, a 6° 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°70°
92°69°
93°73°
98°75°
97°76°
Todaysplit ±6°Tomorrowsplit ±9°Mondaysplit ±10°Tuesdaysplit ±7°Wednesdaysplit ±7°Thursdaysplit ±7°
NWSNational Blend (NBM)
78°
Light drizzle
Feels 85° · Wind 5 mph · Humidity 84%
AmericanNOAA GFS
76°
Light drizzle
Feels 82° · Wind 5 mph · Humidity 85%
EuropeanECMWF
77°
Drizzle
Feels 85° · Wind 3 mph · Humidity 87%

Latest for West Covina: NWS (National Blend (NBM)): 78° Light drizzle · American (NOAA GFS): 76° Light drizzle · European (ECMWF): 77° Drizzle.

The weather map: all three models at once

NWS, American, European side by side around West Covina 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°
±6°
Tomorrow
Light rain
80° 70°
±9°
Mon
Mostly clear
92° 69°
±10°
Tue
Cloudy
93° 73°
±7°
Wed
Cloudy
98° 75°
±7°
Thu
Clear
97° 76°
±7°
Fri
Clear
91° 74°
models agree
Sat
Clear
86° 70°
models agree
Sun
Mostly clear
87° 68°
models agree
Mon
Clear
89° 69°
±5°
Tue
Light drizzle
91° 70°
±12°
Wed
Cloudy
93° 75°
±4°
Thu
Light drizzle
90° 73°
±7°
Fri
Clear
90° 72°
±9°

West Covina, CA is at its warmest in Jul (average highs near 94°F) and coldest in Jan (lows around 43°F), with roughly 32 in of precipitation across the year. Below, compare what NWS, American, European forecast for West Covina 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.

West Covina climate by month

average daytime high and overnight low across a typical year
Jan
61°
43°
Feb
62°
43°
Mar
63°
45°
Apr
73°
48°
May
75°
53°
Jun
82°
57°
Jul
94°
62°
Aug
93°
63°
Sep
88°
62°
Oct
85°
56°
Nov
74°
48°
Dec
69°
47°

Which forecast is most accurate in West Covina?

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°F94±1.9 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
87
/100rank #2
69±3.1°F98±0.6 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 94°±35%0% to 35% chance
Tomorrow±9°76° to 84°±47%48% to 95% chance
Mon±10°88° to 98°±18%3% to 21% chance
Tue±7°91° to 98°±5%7% to 12% chance
Wed±7°95° to 102°models agree11% 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 West Covina

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

Common questions

What's the weather in West Covina today?
On this page we show what NWS, American, European each forecast for West Covina 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 West Covina today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for West Covina 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 West Covina?
Over the last 30 days, the American model has been the most accurate for West Covina (CheckWeather Score 94/100), ahead of the European at 87. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in West Covina?
July is typically the warmest month in West Covina, with average highs around 94°F.
How cold does West Covina get?
The coldest month in West Covina is January, when overnight lows average about 43°F.
How much rain does West Covina get?
West Covina sees roughly 32 in of precipitation a year, with February usually the wettest month.

Nearby

More US weather