Weather forecast for tomorrow
Katy, TX

Weather forecast for tomorrow

Wednesday, Jun 18.

Partly Cloudy
6:21 am

8:27 pm
CDT
Partly Cloudy
93°F / 77°F
  • Wind: 17mph S
  • Humidity: 71%
  • Precip. probability: 21%
  • Precipitation: 0"
  • UV index: 11
Tomorrow, expect a mix of sun and clouds throughout the day.
Temperature fluctuations between a tropical 93.2°F and a temperate 77°F are forecasted.
The maximum heat index, which adjusts the air temperature based on humidity, is appraised at a blazing hot 116.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature will align with June's usual high of 91°F.
Sunrise will be at 6:21 am and sunset at 8:27 pm; tomorrow's daylight will last for 14h and 6min.

Frequently asked questions

What is the weather forecast for Katy for tomorrow?
Tomorrow, in Katy, moments of sunshine will break through the patchy clouds.
What will be the highest temperature tomorrow in Katy?
Tomorrow, the highest temperature in Katy will be 93.2°F, while the lowest temperature will be 77°F. The maximum heat index, which combines relative humidity and air temperature, is computed to be 116.6°F.
The highest temperature will be in line with the average maximum of 91°F in June. The lowest temperature will be also in line with the average low of 73.8°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in Katy, sunrise will be at 6:21 am and sunset at 8:27 pm (CDT).
How long will the day be tomorrow in Katy?
Tomorrow, the daylight will last for 14h and 6min.

Hourly weather forecast

12 am
  • 81°F
  • Feels like:
    88°F
Mostly Clear
Mostly Clear
  • Wind: 9mph S
  • Pressure: 29.88"Hg
  • Humidity: 91%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 7mi
2 am
  • 79°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph S
  • Pressure: 29.85"Hg
  • Humidity: 92%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 7mi
4 am
  • 79°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph S
  • Pressure: 29.85"Hg
  • Humidity: 95%
  • Precip. probability: 13%
  • Precipitation: 0"
  • Visibility: 7mi
6 am
  • 79°F
  • Feels like:
    88°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph SSE
  • Pressure: 29.85"Hg
  • Humidity: 94%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 7mi
Sunrise: 6:21 am
8 am
  • 81°F
  • Feels like:
    91°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph S
  • Pressure: 29.88"Hg
  • Humidity: 91%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 5mi
10 am
  • 86°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph S
  • Pressure: 29.91"Hg
  • Humidity: 76%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 90°F
  • Feels like:
    100°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph S
  • Pressure: 29.94"Hg
  • Humidity: 66%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 90°F
  • Feels like:
    102°F
Partly Cloudy
Partly Cloudy
  • Wind: 15mph S
  • Pressure: 29.94"Hg
  • Humidity: 61%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 91°F
  • Feels like:
    104°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph S
  • Pressure: 29.91"Hg
  • Humidity: 60%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 90°F
  • Feels like:
    100°F
Sunny
Sunny
  • Wind: 17mph S
  • Pressure: 29.91"Hg
  • Humidity: 63%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 86°F
  • Feels like:
    95°F
Sunny
Sunny
  • Wind: 11mph SSE
  • Pressure: 29.91"Hg
  • Humidity: 74%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:27 pm
10 pm
  • 82°F
  • Feels like:
    91°F
Mostly Clear
Mostly Clear
  • Wind: 9mph SSE
  • Pressure: 29.94"Hg
  • Humidity: 87%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of gloomy and mostly clear weather is forecasted.
The temperature will be between a minimum of 78.8°F and a maximum of 91.4°F. The feels-like temperature will be between the lowest temperature of 86°F and the highest temperature of 104°F. The hottest part of the day will be from 3 pm to 5 pm.
The maximum temperature will be resembling June's average highest temperature of 91°F. The night temperature will be also similar to the standard June low of 73.8°F.
Updated: Jun 17, 2025 @ 22:18:21 UTC
Published by: Weather U.S. | About Us
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