S
M
T
W
T
F
S
1
69°
52°
2
67°
52°
3
73°
45°
4
65°
49°
5
70°
38°
6
71°
38°
7
73°
53°
8
75°
46°
9
74°
44°
10
71°
42°
11
70°
40°
12
81°
44°
13
77°
41°
14
69°
45°
15
82°
47°
16
84°
48°
17
86°
49°
18
81°
51°
19
88°
50°
20
88°
53°
21
80°
54°
22
84°
46°
23
85°
47°
24
84°
45°
25
76°
46°
26
78°
43°
27
80°
44°
28
75°
44°
29
88°
48°
30
80°
50°
31
68°
57°
1
61°
55°
2
65°
43°
3
74°
38°
4
75°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Walnut Creek
Walnut Creek'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 Walnut Creek. See also: April | May | June.