5-day weather forecast for Port Mansfield, Texas
Today
79°
90°
Partly sunny
Sunday
75°
94°
Mostly sunny
Monday
75°
95°
Slight Chance Thunderstorms
Tuesday
75°
97°
Hot
Wednesday
75°
97°
Hot
Click on a forecast to see the forecast trend for that day
Weather changeability for Harlingen, Texas
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 2.5° | 4.0° |
| Average change in low temperature day-to-day | 5.7° | 6.8° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 100% | 68% |
| Chance of precip day after a dry day | 9% | 6% |
Weather forecast accuracy for Harlingen, Texas
| The Weather Channel | 87.04% |
| Intellicast | 87.04% |
| AccuWeather | 79.63% |
| CustomWeather | 79.32% |
| National Weather Service | 76.54% |
| Weather Underground | 74.07% |
| NWS Digital Forecast | 73.72% |
| World Weather Online | 69.14% |
| Persistence | 63.52% |
| Intellicast | 79.57% |
| The Weather Channel | 79.56% |
| CustomWeather | 72.89% |
| AccuWeather | 72.87% |
| NWS Digital Forecast | 70.86% |
| National Weather Service | 70.55% |
| Persistence | 67.26% |
ForecastAdvisor Fact
It rained or snowed 24% of the time in Harlingen last year when National Weather Service's text forecasts called for precipitation, and 3% of the time when they did not.