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Forecast confidence: High · models disagree by 3°F

Palo Alto weather

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Cloudy,much the same tomorrow

NWS, the American and the European model agree on a high near 76° in Palo Alto today. Tomorrow looks fog around 78°, with a 0% chance of rain.

76°55°
78°57°
72°57°
75°58°
78°58°
86°59°
Todaymodels agreeTomorrowsplit ±7°Sundaysplit ±10°Mondaysplit ±11°Tuesdaysplit ±12°Wednesdaysplit ±9°
NWSNational Blend (NBM)
77°
Cloudy
Today 77°·Low 56°·Rain 0%
AmericanNOAA GFS
78°
Cloudy
Today 78°·Low 54°·Rain 0%
EuropeanECMWF
74°
Cloudy
Today 74°·Low 54°·Rain 0%
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Palo Alto weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Palo Alto weather in numbers

from 30 years of measured normals

Palo Alto swings 41°F across the year, from 84°F highs in July to 43°F lows in February, and January is usually the wettest month in a year that brings about 27 in of precipitation.

Warmest month
July
84°F average high
Coldest month
February
43°F average low
Wettest month
January
27 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
April, May, October and November
Residents
67,000
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The weather map: all three models at once

NWS, American, European side by side around Palo Alto and nearby towns.Live rain radar →
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Palo Alto hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Palo Alto 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
76° 55°
models agree
Tomorrow
Fog
78° 57°
±7°
Sun
Cloudy
72° 57°
±10°
Mon
Cloudy
75° 58°
±11°
Tue
Partly cloudy
78° 58°
±12°
Wed
Cloudy
86° 59°
±9°
Thu
Mostly clear
86° 64°
models agree
Fri
Cloudy
80° 62°
±10°
Sat
Partly cloudy
78° 61°
±14°
Sun
Partly cloudy
77° 60°
±16°
Mon
Mostly clear
80° 58°
±9°
Tue
Light drizzle
76° 59°
models agree
Wed
Cloudy
72° 58°
±6°
Thu
Clear
72° 56°
models agree

Palo Alto, California (CA) is at its warmest in Jul (average highs near 84°F) and coldest in Feb (lows around 43°F), with roughly 27 in of precipitation across the year. Below, compare what NWS, American, European forecast for Palo Alto 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.

Palo Alto climate by month

average daytime high and overnight low across a typical year
Jan
58°
45°
Feb
58°
43°
Mar
59°
44°
Apr
66°
47°
May
73°
51°
Jun
79°
55°
Jul
84°
58°
Aug
82°
58°
Sep
79°
56°
Oct
78°
56°
Nov
65°
47°
Dec
60°
46°

Which forecast is most accurate in Palo Alto?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
88
/100rank #1
78±2.2°F94±2.0 mph9597% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
83
/100rank #2
66±3.4°F93±2.2 mph9597% 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.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°74° to 78°models agree0% to 0% chance
Tomorrow±7°74° to 81°models agree0% to 0% chance
Sun±10°67° to 77°±1%1% to 2% chance
Mon±11°70° to 81°±2%0% to 2% chance
Tue±12°72° to 84°models agree0% to 0% 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 Palo Alto

today, local time
Sunrise
06:53
Sunset
19:11
Daylight
12h 18m

Common questions

What's the weather in Palo Alto today?
On this page we show what NWS, American, European each forecast for Palo Alto 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 Palo Alto today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Palo Alto 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 Palo Alto?
Over the last 30 days, the American model has been the most accurate for Palo Alto (CheckWeather Score 88/100), ahead of the European at 83. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Palo Alto?
July is typically the warmest month in Palo Alto, with average highs around 84°F.
How cold does Palo Alto get?
The coldest month in Palo Alto is February, when overnight lows average about 43°F.
How much rain does Palo Alto get?
Palo Alto sees roughly 27 in of precipitation a year, with January usually the wettest month.

Nearby

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