Detailed weather forecast for Houston, United States of America: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Houston
today🌧️33°💧 0.1 mm
Sun🌧️32°💧 1.5 mm
Mon🌧️36°💧 0.2 mm
Tue☁️36°💧 4.7 mm
Wed🌧️36°💧 0.1 mm
Thu🌧️36°💧 0.9 mm
Fri🌤️36°💧 5.4 mm
Sat☁️35°💧 0.5 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Thursday 10 Sept in Houston, the forecast high is 36°C. Typical daytime temperatures at this time of year range from 30°C to 35°C, so it will be warmer than usual. It is warmer than 87% of similar days.
33°Cnear normal
usually 30°C–36°C
night: exceptionally warmrain: less rain than usualwind: typical
32°Cnear normal
usually 30°C–36°C
night: exceptionally warmrain: typical rainfallwind: stronger than usual
36°Cwarmer than usual
usually 30°C–36°C
warmer than 84% of similar days
night: exceptionally warmrain: less rain than usualwind: exceptionally strong
36°Cwarmer than usual
usually 30°C–36°C
warmer than 81% of similar days
night: exceptionally warmrain: more rain than usualwind: exceptionally strong
36°Cwarmer than usual
usually 30°C–36°C
warmer than 86% of similar days
night: exceptionally warmrain: less rain than usualwind: exceptionally strong
36°Cwarmer than usual
usually 30°C–35°C
warmer than 87% of similar days
night: exceptionally warmrain: typical rainfallwind: stronger than usual
36°Cwarmer than usual
usually 30°C–35°C
warmer than 83% of similar days
night: exceptionally warmrain: more rain than usualwind: stronger than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 33°C by day. The coolest year was 2017 (28°C) and the warmest was 2023 (41°C). The current forecast averages 35°C - higher than in 78% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Houston
Houston 30 & 45-day weather - long-range outlook
Next 15 days · forecast
35°
around 30° at night · days with rain: 6
Weeks 3-4 · avg for September
33°
around 24° at night · rain chance 0%
Weeks 5-7 · avg for October
29°
around 20° at night · rain chance 0%
The 30 & 45-day outlook for Houston: the next 15 days are a numerical forecast updated daily - on average 35° by day and 30° at night. Further out we rely on multi-year climate averages: around 33° in September, and about 29° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Houston
Saturday5 September 2026
🌧️33°light rain
sunrise 07:01 · sunset 19:39 · night 27° · evening 28° · rain 0.11 mm · humidity 41% · wind 4 m/s · clouds 82%
Sunday6 September 2026
🌧️32°light rain
sunrise 07:01 · sunset 19:38 · night 29° · evening 33° · rain 1.51 mm · humidity 44% · wind 4 m/s · clouds 6%
Monday7 September 2026
🌧️36°light rain
sunrise 07:02 · sunset 19:37 · night 31° · evening 33° · rain 0.22 mm · humidity 43% · wind 6 m/s · clouds 4%
Tuesday8 September 2026
☁️36°broken clouds
sunrise 07:02 · sunset 19:36 · night 30° · evening 33° · rain 4.68 mm · humidity 39% · wind 5 m/s · clouds 76%
Wednesday9 September 2026
🌧️36°light rain
sunrise 07:03 · sunset 19:34 · night 29° · evening 32° · rain 0.12 mm · humidity 37% · wind 5 m/s · clouds 78%
Thursday10 September 2026
🌧️36°light rain
sunrise 07:03 · sunset 19:33 · night 30° · evening 33° · rain 0.87 mm · humidity 38% · wind 5 m/s · clouds 52%
Friday11 September 2026
🌤️36°a few clouds
sunrise 07:04 · sunset 19:32 · night 30° · evening 32° · rain 5.43 mm · humidity 39% · wind 5 m/s · clouds 23%
Saturday12 September 2026
☁️35°overcast clouds
sunrise 07:04 · sunset 19:31 · night 29° · evening 32° · rain 0.54 mm · humidity 40% · wind 6 m/s · clouds 95%
Sunday13 September 2026
🌧️34°light rain
sunrise 07:05 · sunset 19:29 · night 29° · evening 31° · rain 0.36 mm · humidity 50% · wind 6 m/s · clouds 18%
Monday14 September 2026
🌧️33°light rain
sunrise 07:05 · sunset 19:28 · night 30° · evening 32° · rain 0.57 mm · humidity 47% · wind 5 m/s · clouds 49%
Tuesday15 September 2026
🌧️33°light rain
sunrise 07:06 · sunset 19:27 · night 29° · evening 31° · rain 2.76 mm · humidity 54% · wind 5 m/s · clouds 83%
Wednesday16 September 2026
🌧️34°light rain
sunrise 07:06 · sunset 19:26 · night 28° · evening 30° · rain 3.6 mm · humidity 50% · wind 5 m/s · clouds 33%
Thursday17 September 2026
🌤️34°a few clouds
sunrise 07:07 · sunset 19:24 · night 30° · evening 32° · rain 2.01 mm · humidity 43% · wind 6 m/s · clouds 12%
Friday18 September 2026
🌧️36°light rain
sunrise 07:08 · sunset 19:23 · night 33° · evening 36° · rain 0.24 mm · humidity 30% · wind 4 m/s · clouds 4%
Saturday19 September 2026
☀️34°clear sky
sunrise 07:08 · sunset 19:22 · night 30° · evening 33° · humidity 23% · wind 6 m/s
UV index in Houston - is it safe to sunbathe?
Today the UV index in Houston is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Houston weather through the year
Warmest, driest months on average: January, February, March, April.
Upcoming public holidays in United States of America: Labour Day — 7 September · Veterans Day — 11 November · Thanksgiving Day — 26 November.