S
M
T
W
T
F
S
1
57°
38°
2
43°
37°
3
77°
41°
4
80°
57°
5
69°
58°
6
82°
56°
7
72°
53°
8
63°
46°
9
76°
42°
10
81°
65°
11
76°
42°
12
53°
35°
13
67°
43°
14
72°
38°
15
78°
41°
16
41°
28°
17
37°
22°
18
62°
32°
19
76°
40°
20
82°
54°
21
85°
54°
22
89°
48°
23
55°
39°
24
65°
36°
25
77°
41°
26
86°
65°
27
74°
36°
28
57°
32°
29
74°
39°
30
79°
60°
31
85°
66°
1
87°
67°
2
84°
68°
3
85°
65°
4
74°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Mercer
Mercer'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 Mercer. See also: April | May | June.
