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Lanark Highlands, Ontario

82°F
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Lanark Highlands

Ontario

82°
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Lanark Highlands, 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
Mostly sunny
74°
53°
27
A couple of showers
75°
52°
28
Sunny to partly cloudy
75°
56°
29
A little afternoon rain
76°
60°
30
A t-storm around in the p.m.
78°
61°
31
Mostly sunny and humid
81°
62°
1
Partly sunny and humid
82°
62°
2
Partly sunny and humid
83°
61°
3
Sunny and humid
83°
61°
4
Mostly sunny
82°
55°
5
Not as warm with t-storms
75°
55°
6
Partly sunny and less humid
74°
54°
7
Cloudy most of the time
74°
53°
8
Mostly sunny
75°
55°
9
Sunny
77°
56°
10
Partly sunny
76°
60°
11
Sunshine and a few clouds
76°
60°
12
Mostly sunny
79°
59°
13
A shower and t-storm; humid
80°
60°
14
Times of clouds and sun
81°
61°
15
Humid with thunderstorms
80°
59°
16
Partly sunny and humid
81°
52°
17
Partly sunny and less humid
74°
53°
18
Partly sunny
75°
51°
19
Partly sunny
77°
52°
20
Mostly sunny
79°
58°
21
Mostly sunny
79°
58°
22
Rain tapering off
71°
57°
23
A thunderstorm in spots
73°
56°
24
Partly sunny
77°
58°
25
Partly sunny
78°
58°
26
Partial sunshine
79°
55°
27
Partly sunny
77°
49°
28
Mostly sunny
72°
52°
29
Partly sunny
72°
56°
30
A little morning rain; cloudy
70°
57°
31
Warmer with clouds and sun
78°
58°
1
A t-storm around in the p.m.
79°
57°
2
Showers around in the morning
75°
54°
3
Humid with thunderstorms
76°
49°
4
A couple of morning showers
70°
48°
5
A shower and thunderstorm
76°
56°

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 Lanark Highlands

Lanark Highlands's August 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 48° and 62°. The average high for August is 77° 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 August weather will actually feel in Lanark Highlands. See also: September | October | November.

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World North America Canada Ontario Lanark Highlands

Weather Near Lanark Highlands:

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