S
M
T
W
T
F
S
31
74°
48°
1
76°
49°
2
76°
51°
3
N/A
4
83°
66°
5
84°
68°
6
76°
59°
7
78°
58°
8
79°
62°
9
82°
64°
10
79°
65°
11
81°
63°
12
85°
65°
13
80°
63°
14
79°
64°
15
80°
63°
16
82°
69°
17
74°
63°
18
79°
62°
19
80°
63°
20
78°
63°
21
82°
56°
22
73°
56°
23
74°
64°
24
80°
66°
25
82°
64°
26
82°
60°
27
75°
60°
28
75°
64°
29
76°
64°
30
77°
63°
1
77°
64°
2
78°
64°
3
81°
66°
4
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Harrow
Harrow's June 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 56° and 69°. The average high for June is 79° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Harrow. See also: July | August | September.