5-day weather forecast for Port Isabel, Texas

Weather changeability for Port Isabel, Texas

Temperature Last Month Last Year
Average change in high temperature day-to-day 3.0° 3.3°
Average change in low temperature day-to-day 6.9° 5.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 54%
Chance of precip day after a dry day 17% 11%
 
 

Weather forecast accuracy for Port Isabel, Texas

Last Month
The Weather Channel   88.58%
Weather Underground   88.58%
AccuWeather   85.19%
MeteoGroup   82.72%
Dark Sky (forecast.io)   79.63%
NWS Digital Forecast   77.16%
World Weather Online   70.99%
Foreca   61.73%
Persistence   60.09%
Last Year
Weather Underground   80.07%
The Weather Channel   79.77%
MeteoGroup   78.62%
AccuWeather   76.17%
Dark Sky (forecast.io)   75.71%
NWS Digital Forecast   70.63%
World Weather Online   68.79%
Persistence   65.44%
Foreca   56.51%
 

ForecastAdvisor Fact

0.9% of Weather Underground's low temperature forecasts for Port Isabel were off by more than 10 degrees last year.