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CheckWeather USNewport Beach
Forecast confidence: Medium · models disagree by 5°F

Newport Beach weather

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Mostly clear,rain likely tomorrow

NWS, the American and the European model put Newport Beach's high today between 78° and 83°, a 5° split. Tomorrow looks drizzle around 79°, with a 92% chance of rain, and the models disagree, so treat it as uncertain.

81°64°
79°71°
85°70°
86°73°
89°75°
85°75°
Todaysplit ±5°Tomorrowsplit ±9°Mondaysplit ±9°Tuesdaysplit ±12°Wednesdaysplit ±13°Thursdaysplit ±11°
NWSNational Blend (NBM)
77°
Overcast
Feels 83° · Wind 10 mph · Humidity 90%
AmericanNOAA GFS
76°
Overcast
Feels 83° · Wind 6 mph · Humidity 86%
EuropeanECMWF
78°
Drizzle
Feels 85° · Wind 4 mph · Humidity 84%

Latest for Newport Beach: NWS (National Blend (NBM)): 77° Overcast · American (NOAA GFS): 76° Overcast · European (ECMWF): 78° Drizzle.

The weather map: all three models at once

NWS, American, European side by side around Newport Beach 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
81° 64°
±5°
Tomorrow
Drizzle
79° 71°
±9°
Mon
Mostly clear
85° 70°
±9°
Tue
Cloudy
86° 73°
±12°
Wed
Mostly clear
89° 75°
±13°
Thu
Mostly clear
85° 75°
±11°
Fri
Mostly clear
81° 72°
±5°
Sat
Mostly clear
78° 70°
models agree
Sun
Cloudy
79° 69°
±6°
Mon
Clear
79° 69°
±7°
Tue
Light drizzle
81° 69°
±14°
Wed
Drizzle
83° 72°
±8°
Thu
Light drizzle
81° 71°
models agree
Fri
Mostly clear
82° 71°
±6°

Newport Beach, CA is at its warmest in Jul (average highs near 76°F) and coldest in Jan (lows around 48°F), with roughly 26 in of precipitation across the year. Below, compare what NWS, American, European forecast for Newport Beach 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.

Newport Beach climate by month

average daytime high and overnight low across a typical year
Jan
61°
48°
Feb
60°
48°
Mar
60°
49°
Apr
64°
52°
May
66°
56°
Jun
70°
60°
Jul
76°
62°
Aug
76°
63°
Sep
75°
62°
Oct
74°
58°
Nov
69°
53°
Dec
65°
50°

Which forecast is most accurate in Newport Beach?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
92
/100rank #1
83±1.7°F97±0.8 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
88
/100rank #2
72±2.8°F97±0.8 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±5°78° to 83°±30%1% to 31% chance
Tomorrow±9°75° to 85°±54%38% to 92% chance
Mon±9°80° to 90°±14%5% to 19% chance
Tue±12°81° to 92°±2%8% to 10% chance
Wed±13°82° to 95°±3%7% 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 Newport Beach

today, local time
Sunrise
06:28
Sunset
19:11
Daylight
12h 43m

Common questions

What's the weather in Newport Beach today?
On this page we show what NWS, American, European each forecast for Newport Beach 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 Newport Beach today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Newport Beach 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 Newport Beach?
Over the last 30 days, the American model has been the most accurate for Newport Beach (CheckWeather Score 92/100), ahead of the European at 88. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Newport Beach?
July is typically the warmest month in Newport Beach, with average highs around 76°F.
How cold does Newport Beach get?
The coldest month in Newport Beach is January, when overnight lows average about 48°F.
How much rain does Newport Beach get?
Newport Beach sees roughly 26 in of precipitation a year, with February usually the wettest month.

Nearby

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