7-day weather forecast for Houston
7-day weather forecast for Houston: 18°C, Clear sky, Humidity 47%, Wind 16 km/h.
Houston sits at 29.8° north latitude, in the subtropics, 20 m above sea level, in the America/Chicago time zone. Over the week ahead highs range from 21° to 30° and lows from 9° to 20°, averaging 21°.
No significant rain is expected over the seven days. Today the sun rises at 07:24 and sets at 18:48: 11:24 of daylight.
| Conditions | high | low | rain | Wind | UV index | |
|---|---|---|---|---|---|---|
| Today | Overcast | 21° | 10° | 0% | 19 km/h | 6 |
| Tomorrow | Overcast | 23° | 9° | 0% | 10 km/h | 6 |
| Mon, Oct 19 | Overcast | 27° | 13° | 0% | 18 km/h | 6 |
| Tue, Oct 20 | Overcast | 27° | 18° | 1% | 14 km/h | 4 |
| Wed, Oct 21 | Mainly clear | 29° | 19° | 0% | 12 km/h | 6 |
| Thu, Oct 22 | Clear sky | 30° | 20° | 0% | 8 km/h | 6 |
| Fri, Oct 23 | Mainly clear | 30° | 20° | 1% | 15 km/h | 6 |
Weather data by Open-Meteo (ECMWF, GFS, ICON models and national weather services). Updated every 15 minutes.
Weather in Houston month by month
The table gathers the 2016-2025 climate normals for Houston: average highs and lows, total rainfall and number of rainy days for each month of the year.
Houston has an annual mean temperature of 21.6°. The warmest month is August, when highs sit around 33°; the coldest is January, with average lows of 7.4°. The 25.6° gap between those two ends of the calendar is the measure of how much the year swings here.
Rainfall totals about 1,920 mm a year, spread over roughly 168 rainy days. The wettest month is May, averaging 234.7 mm across 16 days; the driest is February, with 104.3 mm.
| Month | Average high | Average low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 16.8° | 7.4° | 149 mm | 12 |
| February | 19.7° | 10.1° | 104.3 mm | 12 |
| March | 23.1° | 14° | 130.9 mm | 15 |
| April | 25.6° | 16.4° | 162.7 mm | 14 |
| May | 29° | 20.7° | 234.7 mm | 16 |
| June | 31.8° | 23.8° | 188.6 mm | 17 |
| July | 32.6° | 24.7° | 191.2 mm | 18 |
| August | 33° | 25° | 191.6 mm | 18 |
| September | 31° | 22.8° | 182.3 mm | 14 |
| October | 27.5° | 18.1° | 123.5 mm | 10 |
| November | 22.2° | 13.1° | 107.2 mm | 11 |
| December | 19.1° | 10.2° | 153.9 mm | 11 |
When to visit Houston
For travellers who plan around the weather, February/March and October–December tend to be the most comfortable stretch: average highs between 19.1° and 27.5° and rainfall below the yearly average.
What to expect each month
- In January, highs sit near 16.8° and lows near 7.4°, with about 149 mm of rain over 12 days.
- In February, highs sit near 19.7° and lows near 10.1°, with about 104.3 mm of rain over 12 days.
- In March, highs sit near 23.1° and lows near 14°, with about 130.9 mm of rain over 15 days.
- In April, highs sit near 25.6° and lows near 16.4°, with about 162.7 mm of rain over 14 days.
- In May, highs sit near 29° and lows near 20.7°, with about 234.7 mm of rain over 16 days.
- In June, highs sit near 31.8° and lows near 23.8°, with about 188.6 mm of rain over 17 days.
- In July, highs sit near 32.6° and lows near 24.7°, with about 191.2 mm of rain over 18 days.
- In August, highs sit near 33° and lows near 25°, with about 191.6 mm of rain over 18 days.
- In September, highs sit near 31° and lows near 22.8°, with about 182.3 mm of rain over 14 days.
- In October, highs sit near 27.5° and lows near 18.1°, with about 123.5 mm of rain over 10 days.
- In November, highs sit near 22.2° and lows near 13.1°, with about 107.2 mm of rain over 11 days.
- In December, highs sit near 19.1° and lows near 10.2°, with about 153.9 mm of rain over 11 days.
Recorded extremes
Across 2016-2025, the thermometer reached 41.7° at the top of the series and fell to -10.9° at the bottom. These are observed values, not averages: they show what the city has actually faced.
Normals computed from the ERA5 reanalysis (Copernicus/ECMWF), 2016-2025 series.
FAQ
What is the temperature in Houston right now?
It is 18°C in Houston right now, with clear sky. It feels like 17°C.
Will it rain in Houston today?
The peak chance of rain today is 0%, with about 0 mm expected.
What will the weather be tomorrow in Houston?
Tomorrow the high is 23° and the low 9°, with overcast.
Where does the data come from and how often is it updated?
Data comes from the ECMWF, GFS and ICON models and national weather services via Open-Meteo, updated every 15 minutes.
What is the warmest month in Houston?
The warmest month is August, with average highs of 33° and lows of 25°.
Does it rain a lot in Houston?
The city gets about 1,920 mm a year over 168 rainy days. The wettest month is May, with 234.7 mm.
When is the best time to visit Houston?
On weather grounds, February/March and October–December combine the most agreeable temperatures with below-average rainfall.