S
M
T
W
T
F
S
28
75°
56°
29
78°
55°
30
83°
55°
31
78°
56°
1
70°
60°
2
73°
61°
3
83°
62°
4
94°
63°
5
84°
60°
6
89°
64°
7
99°
65°
8
103°
65°
9
105°
64°
10
107°
69°
11
72°
61°
12
69°
61°
13
88°
64°
14
83°
66°
15
82°
67°
16
84°
64°
17
74°
66°
18
75°
64°
19
77°
62°
20
77°
62°
21
81°
61°
22
81°
60°
23
76°
62°
24
87°
60°
25
105°
63°
26
79°
67°
27
83°
64°
28
90°
59°
29
85°
66°
30
93°
65°
31
96°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Castle Hill
Castle Hill's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Castle Hill. See also: February | March | April.
