Weather in Nepean, Ontario
Sunday 15 November 2026
5°
Overcast
Feels like 1°
- High
- 5°
- Low
- 0°
- Humidity
- 85%
- Wind
- 18 km/h
Temperature and rain / Nepean
The coming days
High
12°
Low
-12°
Average high
6.4°
Average low
-2.0°
Total rain
24.3 mm
Average rain
1.6 mm
Air quality - Nepean
Particles and ozone
Good
0.90 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM100.90µg/m³
Ozone58µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Nepean
Tomorrow in Nepean, expect Overcast ☁️, with:\n\n- High of 5°\n- Low of 0°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-15