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New Tecumseth, Ontario

75°F
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New Tecumseth

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75°
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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

July

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
28
82°
57°
29
82°
60°
30
92°
65°
1
93°
71°
2
88°
70°
3
86°
69°
4
80°
67°
5
80°
64°
6
82°
61°
7
82°
63°
8
87°
63°
9
A stray t-storm; not as warm
75°
62°
10
A thunderstorm in spots
81°
58°
11
Mostly sunny and less humid
80°
54°
12
Partly sunny
83°
58°
13
A couple of t-storms; warm
88°
67°
14
Partly sunny and very warm
91°
65°
15
Mostly cloudy and less humid
86°
60°
16
Showers around in the p.m.
81°
62°
17
A t-storm around in the a.m.
83°
61°
18
Strong afternoon t-storms
82°
58°
19
A t-storm around in the a.m.
83°
61°
20
A little morning rain
81°
59°
21
Sunshine
80°
61°
22
A shower in the afternoon
79°
64°
23
Mostly sunny
74°
58°
24
Sunny
82°
63°
25
Plenty of sunshine
82°
63°
26
Humid; an afternoon t-storm
81°
64°
27
Cloudy, thunderstorms; humid
82°
63°
28
A little morning rain
80°
63°
29
A shower and thunderstorm
80°
62°
30
Partly sunny and less humid
77°
61°
31
Turning cloudy
74°
60°
1
Mostly cloudy
73°
61°

Temperature Graph

°F
100° 90° 80° 70° 60° Jul
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 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

July Weather in New Tecumseth

New Tecumseth's July 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 54° and 67°. The average high for July is 81° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in New Tecumseth. See also: August | September | October.

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Weather Near New Tecumseth:

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