Your Weather Conditions
- 81°
- Mostly Cloudy
- Wind: North 5 mph
- Humidity: 48%
- Visibility: 8.0 miles
- Dew Point: 59°
- Pressure: 30.00 in. -
- Head Index: 81
Almanac
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Average High84°
Average Low66°
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Record High 93° (1963)
Record Low 52° (2006)
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Sunrise6:28 AM
Sunset8:10 PM
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Today
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May. 20
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May. 28
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Jun. 04
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Jun. 11
Air Pollution
Air Pollution Forecast for Houston-Galveston-Brazoria
| Current | Air Quality: Moderate | Pollutant: OZONE |
| Current | Air Quality: Good | Pollutant: PM2.5 |
| Wed | Air Quality: Moderate | Pollutant: OZONE |
| Wed | Air Quality: Good | Pollutant: PM10 |
| Thu | Air Quality: Unhealthy for Sensitive Groups | Pollutant: OZONE |
| Thu | Air Quality: Good | Pollutant: PM10 |
| Fri | Air Quality: Unhealthy for Sensitive Groups | Pollutant: OZONE |
| Fri | Air Quality: Good | Pollutant: PM10 |
| Sat | Air Quality: Moderate | Pollutant: OZONE |
| Sat | Air Quality: Good | Pollutant: PM10 |
Next 12 Hours
5 Day Forecast
- Wednesday
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- High: 84 °
- Low: 63 °
- Chance of T-Storms
- Thursday
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- High: 90 °
- Low: 63 °
- Partly Cloudy
- Friday
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- High: 88 °
- Low: 64 °
- Partly Cloudy
- Saturday
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- High: 88 °
- Low: 66 °
- Partly Cloudy
- Sunday
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- High: 90 °
- Low: 68 °
- Chance of T-Storms
Katy, Texas Forecast
Updated: 4:00 PM CDT on May 16, 2012
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Wednesday
Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 84F. Winds less than 5 mph. Chance of rain 20%.
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Wednesday Night
Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 63F. Winds less than 5 mph. Chance of rain 20%.
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Thursday
Partly cloudy in the morning, then clear. High of 90F. Winds less than 5 mph.
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Thursday Night
Clear in the evening, then partly cloudy. Low of 63F. Winds from the ESE at 5 to 10 mph.
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Friday
Clear in the morning, then partly cloudy. High of 88F. Winds less than 5 mph.
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Friday Night
Partly cloudy. Fog overnight. Low of 64F. Winds from the SSE at 5 to 10 mph.
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Saturday
Partly cloudy. Fog early. High of 88F. Winds from the SSE at 5 to 10 mph.
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Saturday Night
Partly cloudy in the evening, then mostly cloudy. Fog overnight. Low of 66F. Winds from the SSE at 5 to 10 mph.
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Sunday
Partly cloudy with a chance of a thunderstorm and rain in the afternoon. Fog early. High of 90F. Winds from the SE at 5 to 10 mph. Chance of rain 20%.
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Sunday Night
Partly cloudy. Fog overnight. Low of 68F. Winds from the SSE at 5 to 10 mph. Chance of rain 20%.
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Monday
Partly cloudy with a chance of a thunderstorm. High of 93F. Winds less than 5 mph. Chance of rain 20%.
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Monday Night
Partly cloudy. Low of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
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Tuesday
Partly cloudy with a chance of a thunderstorm. High of 90F. Winds less than 5 mph. Chance of rain 50%.
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Tuesday Night
Partly cloudy. Low of 66F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
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Wednesday
Partly cloudy. High of 90F. Winds from the South at 5 to 15 mph.
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Wednesday Night
Partly cloudy. Low of 70F. Winds from the SSE at 5 to 10 mph.
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Thursday
Partly cloudy. High of 90F with a heat index of 109F. Winds from the South at 5 to 10 mph.
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Thursday Night
Partly cloudy. Low of 70F. Winds from the South at 5 to 15 mph.
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Friday
Partly cloudy with a chance of a thunderstorm. High of 90F with a heat index of 109F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
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Friday Night
Partly cloudy. Low of 70F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
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Saturday
Partly cloudy with a chance of a thunderstorm. High of 91F with a heat index of 122F. Winds less than 5 mph. Chance of rain 20%.
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Saturday Night
Partly cloudy. Low of 70F. Winds from the SSE at 5 to 10 mph. Chance of rain 20%.
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Sunday
Clear. High of 91F with a heat index of 117F. Winds less than 5 mph.
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Sunday Night
Clear. Low of 70F. Winds less than 5 mph.
