S
M
T
W
T
F
S
27
85°
67°
28
85°
66°
29
85°
64°
30
84°
69°
1
84°
65°
2
83°
65°
3
80°
65°
4
82°
61°
5
73°
60°
6
81°
65°
7
81°
69°
8
85°
68°
9
83°
65°
10
82°
66°
11
78°
70°
12
81°
67°
13
81°
67°
14
84°
66°
15
85°
75°
16
88°
77°
17
87°
78°
18
86°
73°
19
85°
69°
20
87°
77°
21
92°
69°
22
89°
63°
23
87°
64°
24
90°
71°
25
88°
73°
26
89°
75°
27
88°
77°
28
88°
72°
29
81°
71°
30
89°
70°
31
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Valparaiso
Valparaiso's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May 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 May weather will actually feel in Valparaiso. See also: June | July | August.
