🇺🇸 Weather in Katy
Map Overlays:
Hourly Forecast for Katy
20:00
23°
0%
21:00
22°
0%
22:00
21°
0%
23:00
21°
0%
00:00
20°
0%
01:00
20°
0%
02:00
20°
0%
03:00
20°
0%
04:00
20°
87%
05:00
21°
68%
06:00
21°
0%
07:00
21°
0%
08:00
22°
0%
09:00
22°
0%
10:00
23°
0%
11:00
24°
0%
12:00
25°
0%
13:00
25°
100%
14:00
25°
0%
15:00
26°
0%
16:00
25°
100%
17:00
25°
0%
18:00
24°
0%
19:00
23°
0%
14-Day Forecast for Katy
Sat, Apr 11
Patchy rain nearby
27° /
20°
Sun, Apr 12
Patchy rain nearby
26° /
20°
Mon, Apr 13
Overcast
28° /
21°
Tue, Apr 14
Cloudy
27° /
20°
Wed, Apr 15
Patchy rain nearby
30° /
20°
Thu, Apr 16
Partly Cloudy
30° /
21°
Fri, Apr 17
Overcast
31° /
20°
Sat, Apr 18
Patchy rain nearby
31° /
22°
Sun, Apr 19
Patchy rain nearby
32° /
21°
Mon, Apr 20
Patchy rain nearby
27° /
21°
Tue, Apr 21
Sunny
32° /
21°
Wed, Apr 22
Overcast
32° /
20°
Thu, Apr 23
Partly Cloudy
33° /
22°
Fri, Apr 24
Patchy rain nearby
32° /
20°
Additional Forecasts for Katy
Marine Forecast
🌊 Sig. Wave Height 1.2 m
🌡️ Water Temp 21.5°C
🧭 Swell Direction SE
⏱️ Swell Period 1.0s
Tide Forecast
🔽 LOW2026-04-11 11:08 (0.09m)
🔼 HIGH2026-04-11 19:35 (0.61m)
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 146.8 μg/m³
O₃ (Ozone) 79.0 μg/m³
NO₂ (Nitrogen Dioxide) 6.3 μg/m³
SO₂ (Sulphur Dioxide) 2.5 μg/m³
PM2.5 (Fine particles) 7.2 μg/m³
PM10 (Coarse particles) 9.4 μg/m³