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New Tecumseth, Ontario

71°F
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New Tecumseth

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71°
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New Tecumseth, 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
73°
45°
1
67°
42°
2
Nice with sunshine
73°
45°
3
Partly sunny and pleasant
78°
49°
4
Mostly cloudy and warm
81°
60°
5
Partly sunny, showers around
80°
64°
6
A shower and thunderstorm
73°
57°
7
Rain and drizzle in the p.m.
73°
55°
8
Mostly sunny and nice
72°
55°
9
Plenty of sunshine
76°
57°
10
Sun through high clouds
75°
56°
11
Cloudy with thunderstorms
77°
56°
12
Mostly sunny
76°
56°
13
Periods of rain
75°
57°
14
Periods of rain
73°
55°
15
Clouds and sun
74°
61°
16
Mostly sunny
67°
49°
17
Plenty of sun
68°
49°
18
Plenty of sun
69°
53°
19
Abundant sunshine
72°
57°
20
Mostly cloudy
75°
56°
21
Mostly cloudy
75°
58°
22
Rain in the afternoon
74°
58°
23
Mostly cloudy
71°
57°
24
Mostly cloudy and less humid
73°
51°
25
Sunshine and a few clouds
69°
52°
26
Rain tapering off
70°
59°
27
A little afternoon rain
74°
58°
28
Some sunshine
71°
56°
29
Mostly sunny
71°
54°
30
Sunny to partly cloudy
72°
56°
1
Partly sunny
71°
56°
2
Partly sunny
73°
60°
3
Couple of thunderstorms
78°
60°
4
A couple of showers
74°
53°

Temperature Graph

°F
90° 80° 70° 60° 50° Jun
Today 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 New Tecumseth

New Tecumseth's June 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 45° and 64°. The average high for June is 73° 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 June weather will actually feel in New Tecumseth. See also: July | August | September.

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Weather Near New Tecumseth:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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