S
M
T
W
T
F
S
26
48°
26°
27
53°
24°
28
58°
32°
29
51°
33°
30
49°
40°
1
47°
40°
2
55°
40°
3
45°
36°
4
48°
37°
5
53°
38°
6
51°
39°
7
46°
40°
8
46°
39°
9
45°
37°
10
46°
39°
11
48°
35°
12
51°
35°
13
51°
38°
14
52°
40°
15
52°
38°
16
53°
38°
17
52°
39°
18
54°
40°
19
53°
41°
20
59°
44°
21
57°
43°
22
55°
41°
23
55°
41°
24
56°
43°
25
56°
41°
26
57°
42°
27
56°
41°
28
57°
45°
29
60°
46°
30
65°
48°
31
61°
46°
1
59°
44°
2
58°
44°
3
58°
44°
4
59°
45°
5
60°
48°
6
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Johnstons River
Johnstons River's May 2026 forecast shows daily high temperatures ranging from 45° to 65°, with overnight lows between 32° and 48°. The average high for May is 54° with an average low of 41°. 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 Johnstons River. See also: June | July | August.
