15-Day Weather Forecast - Houston
15-day weather forecast for Houston: temperatures from 22°C (72°F) to 37°C (99°F). Average daily high 35°C (95°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Houston's 15-day outlook ranges from a low of 22°C to a high of 37°C, with an average daytime high near 35°C. That's 2° above the long-term average high of 33°C for this time of year. Air quality is currently good (AQI 47), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 33°C.
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Extended Outlook for Houston
Over the next 15 days, Houston is forecast to see temperatures ranging from 22°C to 38°C, averaging a daily high of 35°C. The extended outlook indicates occasional showers on 3 days, with 6.3 mm total accumulation. High temperatures may pose heat stress - stay hydrated and limit sun exposure during peak afternoon hours.