Weather WorldMcNair, TX 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
McNair, TX Weather Forecast
McNair, TX Weather Forecast Date: 1213 PM CDT Tue Sep 22 2026
The area/counties/county of: Coastal Harris, including the cities of: Pasadena and Baytown.or toggle through each period.
This Afternoon... Sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Northeast winds around 5 mph. Chance of rain 20%. Heat index values up to 106.
Tonight... Mostly clear. A slight chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southeast winds around 5 mph, becoming northwest after midnight. Chance of rain 20%.
Wednesday... Sunny, hot with highs in the mid 90s. North winds 5 to 10 mph, becoming east in the afternoon. Heat index values up to 105.
Wednesday Night... Partly cloudy. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph, becoming northeast after midnight.
Thursday... Mostly sunny. Highs in the mid 90s. Northeast winds 5 to 10 mph.
Thursday Night... Mostly clear. Lows in the mid 70s.
Friday... Mostly sunny. Highs in the lower 90s.
Friday Night... Partly cloudy. Lows in the mid 70s.
Saturday... Mostly sunny. Highs in the lower 90s.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 70s.
Sunday... Partly sunny. Highs in the lower 90s.
Sunday Night... Partly cloudy. Lows in the upper 70s.
POP = Probability of Precipitation
McNair Radar Loop
Use the map search tool if you want to place a location marker on the radar map...