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London, Ontario

63°F
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63°
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London, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

June

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
31
Partly sunny
70°
52°
1
Mostly sunny
73°
53°
2
Sunshine
74°
56°
3
Partly sunny, warm and humid
75°
55°
4
Mostly sunny and less humid
75°
50°
5
Sunny and not as warm
65°
49°
6
Plenty of sun
67°
54°
7
Mainly cloudy, afternoon rain
72°
57°
8
Periods of rain
69°
56°
9
Mostly cloudy and warmer
76°
54°
10
Partly sunny and less humid
69°
54°
11
Cloudy with a little rain
68°
51°
12
Clouds and sun with a shower
71°
58°
13
Partly sunny and warmer
77°
50°
14
Not as warm; morning rain
71°
49°
15
Mostly sunny
70°
49°
16
Plenty of sun
71°
51°
17
Sunny
74°
53°
18
Mostly sunny
76°
54°
19
Mostly sunny
78°
49°
20
Not as warm; morning t-storms
72°
50°
21
Partly sunny
71°
53°
22
Mostly sunny
73°
56°
23
Mostly cloudy
73°
53°
24
An afternoon t-storm or two
72°
51°
25
Mostly sunny
72°
53°
26
A thunderstorm in spots
73°
51°
27
A shower and thunderstorm
72°
52°
28
Partly sunny, showers around
71°
52°
29
Mostly sunny
73°
54°
30
Sunny
74°
59°
1
Partly sunny
75°
58°
2
Cloudy
73°
56°
3
Couple of thunderstorms
75°
53°
4
Mostly sunny
77°
57°

Temperature Graph

°F
80° 72° 64° 56° 48° Jun
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

June Weather in London

London's June 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 49° and 59°. The average high for June is 72° 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 June weather will actually feel in London. See also: July | August | September.

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Weather Near London:

  • Brampton, Ontario
  • Cleveland, OH
  • Hamilton, Ontario
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More
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