S
M
T
W
T
F
S
26
77°
58°
27
76°
54°
28
77°
57°
29
77°
57°
30
78°
62°
1
77°
60°
2
76°
63°
3
78°
63°
4
78°
65°
5
72°
58°
6
75°
54°
7
71°
52°
8
68°
49°
9
70°
56°
10
70°
52°
11
71°
56°
12
72°
61°
13
72°
61°
14
69°
60°
15
70°
58°
16
69°
58°
17
70°
61°
18
N/A
19
66°
53°
20
67°
53°
21
67°
56°
22
66°
57°
23
69°
56°
24
70°
57°
25
67°
57°
26
66°
56°
27
65°
55°
28
66°
53°
29
67°
52°
30
66°
51°
31
64°
53°
1
65°
53°
2
65°
51°
3
64°
48°
4
63°
47°
5
63°
52°
6
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Parramatta
Parramatta's May 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 47° and 57°. The average high for May is 66° with an average low of 53°. 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 Parramatta. See also: June | July | August.