S
M
T
W
T
F
S
1
83°
60°
2
88°
60°
3
92°
65°
4
93°
67°
5
96°
63°
6
98°
65°
7
97°
73°
8
96°
75°
9
108°
75°
10
98°
56°
11
63°
53°
12
63°
54°
13
65°
56°
14
70°
59°
15
71°
60°
16
78°
62°
17
76°
58°
18
84°
60°
19
90°
61°
20
96°
63°
21
96°
69°
22
100°
67°
23
91°
63°
24
85°
62°
25
80°
63°
26
75°
60°
27
75°
60°
28
73°
62°
29
88°
63°
30
86°
64°
31
75°
55°
1
81°
54°
2
84°
59°
3
77°
61°
4
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Boulder
Boulder'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 Boulder. See also: April | May | June.
