S
M
T
W
T
F
S
26
86°
75°
27
90°
74°
28
91°
77°
29
92°
74°
30
80°
68°
1
67°
56°
2
79°
53°
3
82°
62°
4
87°
68°
5
92°
75°
6
90°
68°
7
81°
65°
8
80°
65°
9
87°
70°
10
89°
70°
11
91°
72°
12
90°
70°
13
88°
66°
14
87°
67°
15
89°
71°
16
89°
71°
17
90°
72°
18
89°
72°
19
90°
71°
20
91°
72°
21
86°
72°
22
86°
71°
23
85°
72°
24
88°
72°
25
86°
70°
26
87°
70°
27
86°
68°
28
87°
73°
29
87°
73°
30
88°
72°
31
88°
72°
1
89°
71°
2
90°
71°
3
91°
72°
4
93°
73°
5
92°
72°
6
92°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Three Rivers
Three Rivers's May 2026 forecast shows daily high temperatures ranging from 67° to 93°, with overnight lows between 53° and 75°. The average high for May is 87° with an average low of 70°. 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 Three Rivers. See also: June | July | August.
