Port Isabel weather
Loading live data…The weather map: all three models at once
NWS, American, European side by side around Port Isabel and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitPort Isabel is a small town of about 5,016 people in TX, sitting at 26.1°N in a subtropical climate zone. NWS, American, European each forecast Port Isabel with their own physics, so we line all three up and flag where they disagree. Nearby towns include Los Fresnos, Cameron Park Colonia, Cameron Park.
Which forecast is most accurate in the US?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.
Common questions
What's the weather in Port Isabel today?
Will it rain in Port Isabel today or tomorrow?
Which forecast is most accurate for Port Isabel?
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.