S
M
T
W
T
F
S
31
91°
73°
1
95°
73°
2
91°
73°
3
86°
70°
4
85°
72°
5
85°
74°
6
85°
76°
7
86°
78°
8
86°
75°
9
91°
75°
10
91°
75°
11
90°
76°
12
89°
75°
13
92°
75°
14
91°
73°
15
93°
75°
16
91°
76°
17
92°
73°
18
93°
74°
19
93°
75°
20
92°
75°
21
93°
74°
22
93°
75°
23
92°
76°
24
93°
76°
25
94°
75°
26
94°
76°
27
93°
76°
28
94°
74°
29
94°
76°
30
93°
76°
1
95°
75°
2
96°
76°
3
95°
76°
4
93°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Katy
Katy's June 2026 forecast shows daily high temperatures ranging from 85° to 96°, with overnight lows between 72° and 78°. The average high for June is 92° with an average low of 75°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Katy. See also: July | August | September.
