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Pomona weather

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NWSNational Blend (NBM)
77°
Partly cloudy
Feels 84° · Wind 3 mph · Humidity 82%
AmericanNOAA GFS
72°
Overcast
Feels 79° · Wind 4 mph · Humidity 90%
EuropeanECMWF
71°
Light drizzle
Feels 76° · Wind 7 mph · Humidity 93%

Latest for Pomona: NWS (National Blend (NBM)): 77° Partly cloudy · American (NOAA GFS): 72° Overcast · European (ECMWF): 71° Light drizzle.

The weather map: all three models at once

NWS, American, European side by side around Pomona 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

Pomona, CA is at its warmest in Jul (average highs near 94°F) and coldest in Feb (lows around 44°F), with roughly 31 in of precipitation across the year. Below, compare what NWS, American, European forecast for Pomona 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.

Pomona climate by month

average daytime high and overnight low across a typical year
Jan
60°
45°
Feb
61°
44°
Mar
62°
46°
Apr
72°
49°
May
75°
53°
Jun
82°
57°
Jul
94°
63°
Aug
93°
64°
Sep
87°
62°
Oct
84°
58°
Nov
73°
50°
Dec
68°
48°

Which forecast is most accurate in Pomona?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
94
/100rank #1
89±1.1°F94±2.0 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
91
/100rank #2
81±1.9°F96±1.2 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.

Common questions

What's the weather in Pomona today?
On this page we show what NWS, American, European each forecast for Pomona 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 Pomona today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Pomona 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 Pomona?
Over the last 30 days, the American model has been the most accurate for Pomona (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 Pomona?
July is typically the warmest month in Pomona, with average highs around 94°F.
How cold does Pomona get?
The coldest month in Pomona is February, when overnight lows average about 44°F.
How much rain does Pomona get?
Pomona sees roughly 31 in of precipitation a year, with February usually the wettest month.

Nearby

More US weather