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Deep River, Ontario

81°F
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Deep River

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81°
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Deep River, 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

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
A couple of showers
80°
59°
27
Humid with occasional rain
81°
63°
28
Not as warm with a t-storm
73°
59°
29
Some rain and a thunderstorm
75°
54°
30
Mostly sunny
82°
54°
31
Increasing cloudiness
84°
59°
1
Variable clouds with t-storms
81°
57°
2
A stray afternoon t-storm
82°
56°
3
Sun through high clouds
76°
55°
4
Sun through high clouds
76°
59°
5
Sun through high clouds
80°
60°
6
Mostly sunny
81°
64°
7
Times of clouds and sun
78°
57°
8
A shower and thunderstorm
80°
57°
9
Mostly cloudy
77°
56°
10
Mostly sunny and less humid
76°
54°
11
Increasing cloudiness
73°
53°
12
Cloudy
73°
52°
13
Morning rain, then a t-storm
74°
58°
14
Partly sunny
76°
57°
15
A shower and thunderstorm
78°
57°
16
A t-storm around in the p.m.
74°
56°
17
A shower and thunderstorm
75°
57°
18
A little morning rain; cloudy
74°
57°
19
Mostly sunny
74°
55°
20
Times of clouds and sun
77°
56°
21
Sunny and less humid
79°
51°
22
Clouds and sun
71°
52°
23
Mostly cloudy
74°
55°
24
Partly sunny
78°
56°
25
Decreasing clouds
79°
55°
26
A thunderstorm in spots
77°
52°
27
Sunshine and a few clouds
70°
49°
28
Sunshine and a few clouds
70°
50°
29
Increasing cloudiness
72°
52°
30
Partly sunny
75°
54°
31
Sunny to partly cloudy
77°
54°
1
Increasing cloudiness
78°
53°
2
A bit of rain in the morning
77°
49°
3
Mostly sunny and not as warm
67°
45°
4
Partly sunny
64°
41°
5
Rain at times
67°
41°

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 Deep River

Deep River's August 2026 forecast shows daily high temperatures ranging from 64° to 84°, with overnight lows between 41° and 64°. The average high for August is 76° with an average low of 55°. 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 Deep River. See also: September | October | November.

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Weather Near Deep River:

  • Gatineau, Quebec
  • Oshawa, Ontario
  • Ottawa, Ontario
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