Today will be warm with isolated to scattered rain chances. Highs in the upper 80s to mid 90s. Lows in the upper 60s to lower 70s inland, and mid 70s to lower 80s in the metro and closer to the coast. 20-30% chance of rain across the region.
TCEQ has issued an Ozone Action Day for today as atmospheric conditions are expected to be favorable of producing ozone around the Houston Metro area, which may be unhealthy for sensitive groups.
A National Weather Service five-day outlook for Houston/Galveston, updated September 18, 2025, 5:05 AM. It includes temperature forecasts and precipitation probabilities, indicating near to slightly above normal temperatures, with highs in the low to mid-90s and lows in the upper 60s to low 70s. Isolated storms are possible through Saturday, with rain chances increasing into next week.
East to southeast winds of 7 - 13 kts, gusts up to 20 kts.
Sea 2 - 4 feet.
Isolated to scattered showers/storms through Friday.
Increasing rain chances over the weekend into early next week.
Above normal water levels, over 3.0 ft MLLW at times.
The week of the 15th will be the final week of astronomical summer! The season of autumn starts on September 22nd at 1:19 PM CDT with the Fall/Autumnal Equinox.
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