S
M
T
W
T
F
S
26
65°
50°
27
66°
49°
28
76°
43°
29
81°
47°
30
86°
50°
1
90°
53°
2
91°
55°
3
78°
51°
4
68°
53°
5
73°
53°
6
80°
48°
7
88°
53°
8
91°
57°
9
91°
53°
10
96°
58°
11
100°
62°
12
100°
62°
13
81°
57°
14
85°
61°
15
87°
59°
16
80°
53°
17
77°
60°
18
90°
53°
19
96°
56°
20
94°
57°
21
93°
60°
22
93°
58°
23
93°
55°
24
90°
54°
25
87°
52°
26
85°
53°
27
79°
49°
28
80°
50°
29
82°
50°
30
85°
55°
31
89°
58°
1
90°
59°
2
91°
60°
3
91°
59°
4
88°
53°
5
85°
56°
6
90°
57°
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 96°, with overnight lows between 49° and 61°. The average high for May is 87° with an average low of 56°. 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.
