CheckWeather US›San Juan
San Juan weather
Loading live data…NWSNational Blend (NBM)
91°
Partly cloudy
Feels 99° · Wind 3 mph · Humidity 54%
AmericanNOAA GFS
90°
Overcast
Feels 99° · Wind 8 mph · Humidity 63%
EuropeanECMWF
88°
Overcast
Feels 97° · Wind 5 mph · Humidity 64%
Latest for San Juan: NWS (National Blend (NBM)): 91° Partly cloudy · American (NOAA GFS): 90° Overcast · European (ECMWF): 88° Overcast.
The weather map: all three models at once
NWS, American, European side by side around San Juan and nearby towns.Live rain radar →Loading the three model maps…
Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitSan Juan is a small town of about 37,000 people in TX, sitting at 26.2°N in a subtropical climate zone. NWS, American, European each forecast San Juan with their own physics, so we line all three up and flag where they disagree. Nearby towns include Pharr, Alamo, McAllen.
Common questions
What's the weather in San Juan today?
On this page we show what NWS, American, European each forecast for San Juan 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 San Juan today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Juan 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 San Juan?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the San Juan forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
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.