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CheckWeather USOceanside
Forecast confidence: Low · models disagree by 13°F

Oceanside weather

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Cloudy,rain likely tomorrow

NWS, the American and the European model put Oceanside's high today between 78° and 91°, a 13° split. Tomorrow looks light drizzle around 85°, with a 62% chance of rain, and the models disagree, so treat it as uncertain.

83°61°
85°72°
85°72°
89°74°
90°75°
87°74°
Todaysplit ±13°Tomorrowsplit ±8°Mondaysplit ±12°Tuesdaysplit ±17°Wednesdaysplit ±18°Thursdaysplit ±14°
NWSNational Blend (NBM)
78°
Partly cloudy
Today 78°·Low 65°·Rain 3%
AmericanNOAA GFS
82°
Cloudy
Today 82°·Low 58°·Rain 3%
EuropeanECMWF
91°
Cloudy
Today 91°·Low 58°·Rain 30%

The weather map: all three models at once

NWS, American, European side by side around Oceanside 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
Cloudy
83° 61°
±13°
Tomorrow
Light drizzle
85° 72°
±8°
Mon
Partly cloudy
85° 72°
±12°
Tue
Partly cloudy
89° 74°
±17°
Wed
Mostly clear
90° 75°
±18°
Thu
Clear
87° 74°
±14°
Fri
Partly cloudy
82° 71°
±10°
Sat
Cloudy
79° 69°
±8°
Sun
Partly cloudy
79° 67°
±8°
Mon
Partly cloudy
79° 67°
±7°
Tue
Light drizzle
82° 66°
±9°
Wed
Light drizzle
87° 69°
models agree
Thu
Light drizzle
84° 69°
±7°
Fri
Mostly clear
85° 69°
±12°

Oceanside, CA is at its warmest in Aug (average highs near 76°F) and coldest in Jan (lows around 48°F), with roughly 23 in of precipitation across the year. Below, compare what NWS, American, European forecast for Oceanside 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.

Oceanside climate by month

average daytime high and overnight low across a typical year
Jan
61°
48°
Feb
60°
48°
Mar
60°
49°
Apr
62°
51°
May
65°
56°
Jun
69°
60°
Jul
74°
64°
Aug
76°
65°
Sep
74°
63°
Oct
73°
58°
Nov
68°
52°
Dec
64°
49°

Which forecast is most accurate in Oceanside?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
97
/100rank #1
93±0.7°F98±0.8 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
70
/100rank #2
27±7.3°F98±0.7 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±13°78° to 91°±27%3% to 30% chance
Tomorrow±8°79° to 88°±45%17% to 62% chance
Mon±12°80° to 91°±10%4% to 14% chance
Tue±17°80° to 96°±4%7% to 11% chance
Wed±18°80° to 99°±4%4% to 8% 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 Oceanside

today, local time
Sunrise
06:26
Sunset
19:09
Daylight
12h 43m

Common questions

What's the weather in Oceanside today?
On this page we show what NWS, American, European each forecast for Oceanside 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 Oceanside today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Oceanside 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 Oceanside?
Over the last 30 days, the American model has been the most accurate for Oceanside (CheckWeather Score 97/100), ahead of the European at 70. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Oceanside?
August is typically the warmest month in Oceanside, with average highs around 76°F.
How cold does Oceanside get?
The coldest month in Oceanside is January, when overnight lows average about 48°F.
How much rain does Oceanside get?
Oceanside sees roughly 23 in of precipitation a year, with February usually the wettest month.

Nearby

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