Live Weather & Forecast
Weather in Lanark
Ontario, Canada · Real-time conditions & 3-day outlook
1°C
Feels like -3°C
34°F / Feels 27°F
Clear
Lanark, Ontario
🌙 Nighttime
Updated: 2026-04-25 06:00
Humidity
64%
Wind
16.6 km/h ENE
Wind Gust
27 km/h
Pressure
1017 mb
Visibility
24 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
-3.2°C
Wind Degree
72°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
168.9 μg/m³
NO₂
5 μg/m³
O₃
64 μg/m³
SO₂
3.2 μg/m³
PM 2.5
3.1 μg/m³
PM 10
3.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Lanark, Ontario
12 AM
6°
Clear
1 AM
5°
Clear
2 AM
4°
Clear
3 AM
3°
Clear
4 AM
3°
Clear
5 AM
2°
Clear
6 AM
1°
Clear
7 AM
3°
Sunny
8 AM
5°
Sunny
9 AM
6°
Sunny
10 AM
8°
Sunny
11 AM
10°
Sunny
12 PM
11°
Sunny
1 PM
13°
Sunny
2 PM
14°
Sunny
3 PM
15°
Sunny
4 PM
15°
Sunny
5 PM
13°
Sunny
6 PM
11°
Overcast
7 PM
9°
Overcast
8 PM
7°
Overcast
9 PM
6°
Clear
10 PM
5°
Partly Cloudy
11 PM
5°
Clear
3-Day Forecast
Daily overview for Lanark, Ontario
Today
Sunny
16°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 56%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.1
🌅 Sunrise: 06:02 AM
🌇 Sunset: 08:02 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
15°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 11.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6
🌅 Sunrise: 06:01 AM
🌇 Sunset: 08:03 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
18°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.3
🌅 Sunrise: 05:59 AM
🌇 Sunset: 08:05 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Lanark
Plan your trip to Lanark, Canada around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Lanark?
Current conditions in Lanark: Clear, temperature 1°C, humidity 64%.
What is the best time to visit Lanark?
The best time to visit Lanark is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Lanark?
Lanark is located at approximately 45° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Lanark?
The wettest period in Lanark is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Lanark?
For visits to Lanark during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Lanark in 2026?
View the 2026 public holidays for Lanark on our Holidays page.
What are the GPS coordinates used for the weather forecast in Lanark?
The weather forecast for Lanark uses coordinates 45.047, -76.3299.
What is the current temperature outside in Lanark?
The current outdoor temperature in Lanark is 1°C (34°F) with clear.
What is the hourly weather forecast for Lanark today?
Today's hour-by-hour weather breakdown for Lanark is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Lanark tomorrow hour by hour?
Tomorrow's forecast for Lanark shows a high of 15°C and a low of 1°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Lanark?
Rain is not expected in Lanark today. Current forecast shows no significant rain probability.
Is it going to rain today in Lanark?
No, rain is not forecast for Lanark today. Current conditions show clear to partly cloudy skies.