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CheckWeather USPortola Hills

Portola Hills weather

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The weather map: all three models at once

NWS, American, European side by side around Portola Hills 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

Portola Hills, CA is at its warmest in Jul (average highs near 90°F) and coldest in Feb (lows around 46°F), with roughly 27 in of precipitation across the year. Below, compare what NWS, American, European forecast for Portola Hills 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.

Portola Hills climate by month

average daytime high and overnight low across a typical year
Jan
60°
47°
Feb
59°
46°
Mar
59°
46°
Apr
68°
50°
May
71°
53°
Jun
78°
58°
Jul
90°
70°
Aug
88°
69°
Sep
84°
65°
Oct
81°
64°
Nov
71°
55°
Dec
68°
52°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 mph4972% hitNOAA / NCEP (United States)College Park, Maryland, USA

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 Portola Hills today?
On this page we show what NWS, American, European each forecast for Portola Hills 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 Portola Hills today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Portola Hills 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 Portola Hills?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Portola Hills forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Portola Hills?
July is typically the warmest month in Portola Hills, with average highs around 90°F.
How cold does Portola Hills get?
The coldest month in Portola Hills is February, when overnight lows average about 46°F.
How much rain does Portola Hills get?
Portola Hills sees roughly 27 in of precipitation a year, with February usually the wettest month.

Nearby

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