S
M
T
W
T
F
S
1
85°
48°
2
83°
48°
3
83°
51°
4
83°
51°
5
84°
53°
6
85°
56°
7
87°
55°
8
86°
57°
9
86°
52°
10
86°
52°
11
91°
56°
12
80°
56°
13
85°
51°
14
85°
56°
15
87°
56°
16
87°
57°
17
79°
54°
18
80°
51°
19
81°
49°
20
79°
49°
21
80°
47°
22
79°
51°
23
82°
54°
24
80°
56°
25
79°
56°
26
81°
51°
27
80°
51°
28
75°
51°
29
78°
50°
30
80°
52°
31
80°
54°
1
80°
54°
2
82°
55°
3
84°
55°
4
83°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Casa Grande
Casa Grande's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March 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 March weather will actually feel in Casa Grande. See also: April | May | June.