S
M
T
W
T
F
S
1
19°
-3°
2
37°
1°
3
46°
26°
4
52°
22°
5
50°
23°
6
41°
34°
7
38°
25°
8
48°
26°
9
49°
35°
10
35°
25°
11
32°
13°
12
36°
1°
13
29°
22°
14
31°
0°
15
27°
19°
16
19°
8°
17
18°
4°
18
33°
12°
19
47°
16°
20
53°
29°
21
60°
29°
22
32°
20°
23
37°
13°
24
44°
32°
25
58°
35°
26
43°
12°
27
25°
8°
28
38°
1°
29
61°
22°
30
59°
27°
31
40°
29°
1
37°
24°
2
33°
27°
3
31°
27°
4
35°
26°
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.
