Currently: 87 °F. Passing clouds. (Weather station: Houston Hobby Airport, USA). See more current weatherAnnual Weather Averages in Houston Hobby Airport
Houston Hobby Airport is 34 miles from Katy, so the actual climate in Katy can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Katy
High Temp: 94 °F
Low Temp: 46 °F
Mean Temp: 71 °F
Precipitation: 4.55"
Humidity: 71%
Dew Point: 61 °F
Wind: 13 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Katy
High Temp: 64 °F
Low Temp: 46 °F
Mean Temp: 55 °F
Precipitation: 3.85"
Humidity: 71%
Dew Point: 45 °F
Wind: 15 mph
Pressure: 30.15 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Katy
High Temp: 68 °F
Low Temp: 50 °F
Mean Temp: 59 °F
Precipitation: 2.87"
Humidity: 72%
Dew Point: 49 °F
Wind: 15 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Katy
High Temp: 74 °F
Low Temp: 56 °F
Mean Temp: 65 °F
Precipitation: 3.30"
Humidity: 71%
Dew Point: 55 °F
Wind: 15 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Katy
High Temp: 80 °F
Low Temp: 62 °F
Mean Temp: 71 °F
Precipitation: 3.81"
Humidity: 71%
Dew Point: 60 °F
Wind: 15 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Katy
High Temp: 86 °F
Low Temp: 69 °F
Mean Temp: 78 °F
Precipitation: 5.50"
Humidity: 72%
Dew Point: 67 °F
Wind: 14 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Katy
High Temp: 91 °F
Low Temp: 75 °F
Mean Temp: 83 °F
Precipitation: 5.94"
Humidity: 72%
Dew Point: 73 °F
Wind: 11 mph
Pressure: 29.94 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Katy
High Temp: 93 °F
Low Temp: 76 °F
Mean Temp: 85 °F
Precipitation: 4.78"
Humidity: 71%
Dew Point: 74 °F
Wind: 10 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Katy
High Temp: 94 °F
Low Temp: 77 °F
Mean Temp: 85 °F
Precipitation: 5.31"
Humidity: 70%
Dew Point: 74 °F
Wind: 9 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Katy
High Temp: 90 °F
Low Temp: 73 °F
Mean Temp: 81 °F
Precipitation: 5.48"
Humidity: 70%
Dew Point: 70 °F
Wind: 10 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Katy
High Temp: 83 °F
Low Temp: 64 °F
Mean Temp: 73 °F
Precipitation: 5.80"
Humidity: 69%
Dew Point: 62 °F
Wind: 12 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Katy
High Temp: 73 °F
Low Temp: 54 °F
Mean Temp: 64 °F
Precipitation: 3.76"
Humidity: 72%
Dew Point: 54 °F
Wind: 13 mph
Pressure: 30.12 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Katy
High Temp: 66 °F
Low Temp: 48 °F
Mean Temp: 57 °F
Precipitation: 4.19"
Humidity: 73%
Dew Point: 48 °F
Wind: 14 mph
Pressure: 30.13 "Hg
Visibility: 9 mi