Stephenville, TX Weather Forecast
Erath County, Texas
Seven-day outlook
46–80°F across the weekThe week runs between 51° and 80°, with Monday the warmest day of it. There is no real trend across it: one day looks much like the next. Saturday is the wettest day, peaking near 62%.
Forecasts come from the National Weather Service's own computer models, and current conditions from the nearest reporting weather station. Both are served through the weather API. A forecast is guidance, not a warning, and anything the Weather Service has actually issued is on the live map.
The written summaries on this page are generated from the forecast data above, not by a meteorologist. Each sentence is a reading of the same numbers you can see, and no forecaster has reviewed them.
About the Stephenville forecast
Stephenville sits at 32.2145°N, 98.2199°W in Erath County, Texas. The forecast above is drawn for that point from the National Weather Service's own computer models: a seven-day outlook, and a finer-grained one covering the next eighteen hours where it reaches, and the radar and alert panels show what the Weather Service has out over the area right now.
- County
- Erath County
- Coordinates
- 32.2145°N, 98.2199°W
- Population
- 21,946 · 2023 estimate
- Land area
- 11.874 sq mi
Place data from the US Census Bureau. Coordinates are the Census internal point for Stephenville, and the forecast is for that location, not for every address inside the city limits, and a large city can have real weather differences from one side to the other.
How well can the network see Stephenville?
The nearest Doppler radar is KFWS (Dallas/Fort Worth, TX), 59 miles to the ENE. A WSR-88D's lowest routine scan sits half a degree above horizontal, and the earth curves away beneath it, so by the time that beam reaches Stephenville its center is about 4,500 ft above ground. That is far enough out that the beam has climbed above the lowest few thousand feet. Storm structure aloft is visible; a shallow circulation near the ground may not be, and a warning here can arrive before anything looks dramatic on the radar picture.
The closest instrument actually measuring the air is KSEP · Stephenville/Clark Rgnl on the ASOS/AWOS network, 2.4 miles away. Close enough that its readings are, for practical purposes, the conditions in town.
Beam height is the standard 4/3-earth approximation for the 0.5° scan and assumes normal refraction; it is where the center of the beam is, not its edges, and unusual temperature profiles bend it. Radar siting from the NWS WSR-88D network, station positions from the Texas observing network as of this build.
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