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Sunbury, Ontario

72°F
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Sunbury

Ontario

72°
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Sunbury, 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
84°
57°
30
75°
62°
1
85°
69°
2
88°
69°
3
86°
70°
4
78°
60°
5
81°
58°
6
82°
66°
7
81°
63°
8
78°
67°
9
Humid with a stray t-storm
75°
68°
10
Humid with a thunderstorm
80°
63°
11
Sunny, nice and less humid
77°
61°
12
Partly sunny and pleasant
78°
62°
13
A stray morning shower; humid
80°
70°
14
Clouds and sun; windy, humid
83°
66°
15
Turning cloudy and humid
82°
61°
16
Humid with some sun
77°
63°
17
Showers around in the p.m.
76°
64°
18
A couple of afternoon showers
76°
62°
19
Rain and a thunderstorm
79°
65°
20
A little afternoon rain
78°
63°
21
Some sun with a stray shower
79°
64°
22
A shower in the afternoon
78°
61°
23
Partly sunny
72°
58°
24
Mostly cloudy
80°
65°
25
Mostly cloudy and humid
80°
64°
26
Mostly sunny and humid
81°
66°
27
A shower and thunderstorm
80°
66°
28
A morning t-shower; humid
79°
65°
29
A shower and t-storm; humid
78°
66°
30
Morning t-storms, then rain
77°
65°
31
Mostly sunny
73°
64°
1
A few morning showers
73°
65°

Temperature Graph

°F
90° 82° 74° 66° 58° 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 Sunbury

Sunbury's July 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 58° and 70°. The average high for July is 78° with an average low of 64°. 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 Sunbury. See also: August | September | October.

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Weather Near Sunbury:

  • Gatineau, Quebec
  • Ottawa, Ontario
  • Syracuse, NY
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