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Streetsville, Ontario

73°F
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Streetsville

Ontario

73°
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Streetsville, 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
Yellow Warning - Heat

August

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
26
Turning cloudy, p.m. rain
78°
60°
27
Some sun, then clouds
80°
58°
28
Humid; a few morning showers
76°
58°
29
Mostly sunny and less humid
75°
58°
30
Plenty of sunshine
76°
58°
31
Mostly sunny
78°
61°
1
A blend of sun and clouds
78°
60°
2
Showers around in the p.m.
82°
62°
3
Humid with clouds and sun
81°
62°
4
Mostly sunny and less humid
82°
61°
5
Mostly sunny
76°
57°
6
Decreasing clouds
75°
60°
7
A couple of afternoon showers
80°
61°
8
Partly sunny and less humid
77°
58°
9
Humid; a few morning showers
75°
61°
10
Mostly sunny and less humid
76°
56°
11
Plenty of sunshine
74°
54°
12
Decreasing clouds
75°
60°
13
Cloudy
81°
60°
14
Cloudy and less humid
76°
54°
15
Mostly sunny
72°
53°
16
Cloudy most of the time
73°
56°
17
Cloudy
74°
58°
18
Morning rain, then t-storms
76°
60°
19
A shower and thunderstorm
73°
60°
20
Partly sunny
76°
59°
21
A stray afternoon t-shower
78°
58°
22
Partly sunny and less humid
73°
55°
23
Mostly sunny
72°
57°
24
Cloudy with showers
78°
55°
25
Mostly sunny
79°
58°
26
Sunshine and a few clouds
81°
50°
27
Decreasing clouds; less humid
74°
49°
28
Periods of rain
69°
50°
29
Cloudy with a little rain
70°
49°
30
Clouds and sun
71°
49°
31
Mostly sunny
72°
57°
1
Mostly sunny
75°
58°
2
Rain
71°
59°
3
Clouds, thunderstorms; humid
76°
59°
4
Couple of thunderstorms
79°
52°
5
Couple of thunderstorms
79°
53°

Temperature Graph

°F
90° 80° 70° 60° 50° Aug
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

August Weather in Streetsville

Streetsville's August 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 49° and 62°. The average high for August is 76° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Streetsville. See also: September | October | November.

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World North America Canada Ontario Streetsville

Weather Near Streetsville:

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