See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
30°
Clear
Feels Like: 38°
Min: 27°
Max: 35°
The next few hours will be clear, with today reaching 35°C and dropping to 27°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:10
Sunrise
19:21
Sunset
Moon
Waxing Crescent
11:31
Moonrise
21:22
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
Sunday
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Thursday
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Humidity
Weather in Houston today, September 15, 2026
Cloud cover dominates in Houston on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Morning skies stay relatively clear, holding cloud close to 30% near 11:00. The early part of the day favours being outside.
Expect highs of 35°C and cooler readings close to 27°C. Relative humidity sits between 49% and 87%, reaching its peak around 21:00. Expect gentle winds, highest near 14:00 at 11.1 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 14:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.1 km, briefly nearer 1.3 km. Expect sunrise at 07:10, sunset at 19:21, and 12 hours 10 minutes of sunlight today overall.
Taken together, overcast skies in Houston on September 15, 2026 favour indoor or covered options, with temperatures near 35°C.
Frequently asked questions about weather in Houston
How warm does it get in Houston?
The warmest month in Houston is August, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in Houston?
The coldest month in Houston is January, with average low temperatures of 8°C. The average temperature during this period is around 12°C.
What is the wettest time of year in Houston?
The wettest month in Houston is May, with an average of 173mm of precipitation.
What is the driest time of year in Houston?
The driest month in Houston is February, with an average of 74mm of precipitation.
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