S
M
T
W
T
F
S
26
86°
75°
27
90°
74°
28
91°
77°
29
92°
74°
30
80°
68°
1
72°
57°
2
75°
54°
3
81°
55°
4
81°
59°
5
89°
69°
6
91°
69°
7
77°
68°
8
83°
72°
9
89°
72°
10
93°
69°
11
86°
67°
12
86°
67°
13
86°
65°
14
89°
70°
15
84°
71°
16
85°
71°
17
86°
72°
18
88°
73°
19
90°
70°
20
89°
69°
21
90°
71°
22
90°
72°
23
88°
73°
24
87°
72°
25
86°
72°
26
86°
71°
27
84°
70°
28
86°
69°
29
87°
68°
30
87°
69°
31
88°
71°
1
87°
70°
2
87°
70°
3
88°
69°
4
87°
71°
5
89°
74°
6
90°
75°
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 77° to 93°, with overnight lows between 65° 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.
