🇨🇦 Weather in Nepean
Map Overlays:
Hourly Forecast for Nepean
20:00
26°
3%
21:00
24°
6%
22:00
23°
7%
23:00
22°
8%
00:00
21°
7%
01:00
20°
7%
02:00
20°
9%
03:00
19°
14%
04:00
18°
15%
05:00
19°
16%
06:00
19°
16%
07:00
19°
69%
08:00
18°
51%
09:00
20°
43%
10:00
20°
29%
11:00
20°
34%
12:00
21°
30%
13:00
21°
28%
14:00
22°
53%
15:00
21°
62%
16:00
20°
84%
17:00
19°
82%
18:00
19°
74%
19:00
19°
77%
14-Day Forecast for Nepean
2026-07-27
Sunny
30° /
18°
2026-07-28
Light rain shower
22° /
18°
2026-07-29
Light rain
19° /
17°
2026-07-30
Light drizzle
22° /
16°
2026-07-31
Patchy rain nearby
26° /
16°
2026-08-01
Patchy rain nearby
26° /
17°
2026-08-02
Mist
25° /
18°
Additional Forecasts for Nepean
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 230.0 μg/m³
O₃ (Ozone) 95.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.9 μg/m³
SO₂ (Sulphur Dioxide) 1.7 μg/m³
PM2.5 (Fine particles) 14.1 μg/m³
PM10 (Coarse particles) 14.6 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Canada
Weather in Nepean — FAQ
Answers refreshed each request based on current conditions in Nepean.
What is the weather like right now in Nepean?
Right now in Nepean, Canada the temperature is 25.1°C (feels like 26.1°C), with cloudy. Relative humidity is 78% and wind is 13.7 km/h.
What is today's high and low temperature in Nepean?
Today's forecast high in Nepean is 30.4°C and the overnight low is 17.6°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Nepean today?
The chance of precipitation in Nepean today is 7%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Nepean differ from nearby cities?
Even short distances can change temperatures noticeably. Nepean's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.