New York, NY 67° Los Angeles, CA 83° Chicago, IL 73° Houston, TX 85° Miami, FL 80° Phoenix, AZ 80° Seattle, WA 59° Denver, CO 72° Toronto, ON 65° Vancouver, BC 56°
WeatherLive › Ontario › Nepean

Nepean, ON Weather

Current WeatherNepean · 9:13 PM EDT
67° | 51°
58°F
Feels like 56°
Sunny
-4° vs. normal — cooler than usual for this time of year
WindS 5 mph · Gusts 5 mph
Precip14% · –
Humidity88% · Dew point 54°
UV index4 Moderate
Air Quality21 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:58 AM · 6:47 PM · 11h 49m

Weather map — Nepean

Full radar →
Now
58°
12%
5 mph
22:00
57°
13%
6 mph
23:00
56°
31%
6 mph
00:00
55°
27%
6 mph
01:00
55°
32%
6 mph
02:00
55°
32%
5 mph
03:00
55°
32%
5 mph
04:00
54°
32%
4 mph
05:00
54°
38%
6 mph
06:00
55°
38%
6 mph
07:00
54°
24%
5 mph
08:00
55°
31%
6 mph
09:00
56°
29%
6 mph
10:00
61°
23%
8 mph
11:00
64°
19%
8 mph
12:00
64°
20%
7 mph
13:00
67°
17%
9 mph
14:00
70°
14%
10 mph
15:00
70°
15%
10 mph
16:00
69°
16%
10 mph
17:00
68°
17%
9 mph
18:00
66°
20%
9 mph
19:00
65°
21%
9 mph
20:00
64°
22%
8 mph

Today · Tue 9/29

High 67°
14% / –

Mostly cloudy. Winds S at 6 mph.

Tonight · Tue 9/29

Low 54°
13% / –

Sunny. Winds S at 6 mph.

Tomorrow · Wed 9/30

70° | 54°
24% / –

Mostly cloudy. Winds S at 10 mph.

7-day trend

Nepean · temperature + precipitation

10-day forecast

Updated 9:13 PM

Details & indices

Wind
5 mph S
Gusts 5 mph
Humidity
88%
Dew point 54°
Pressure
30.03 inHg
Rising
UV index
4 — Moderate
High today
Air Quality
Good
AQI 21 · US EPA
Allergy
Moderate
Ragweed
Visibility
6 mi
Clear view
Allergy — Nepean

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Moderate

Sun & moon

Sunrise6:58 AM
Sunset6:47 PM
Length of day11h 49m
Moonrise7:52 PM
Moonset10:39 AM
Next full moonOct 26 Hunter's Moon
Latitude45.3362°N
Longitude-75.7225°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Great
Lace up outside
Patio
Great
Dinner outdoors
1991-2020 climate normals — Nepean

Monthly normals

Full climate page →
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max (°F) 26° 29° 39° 53° 67° 76° 82° 78° 71° 58° 42° 33°
Min (°F) 11° 12° 22° 33° 46° 57° 64° 62° 55° 44° 31° 20°
Precip (in) 3.0 2.7 3.0 4.3 3.2 4.1 3.9 4.2 3.0 3.5 2.9 3.3
Warmest: Jul · ⌀ 82°F Coldest: Jan · ⌀ 11°F Wettest: Apr · 4.3 in
Nearby places in Ontario
Toronto
Sunny
65°
Ottawa
Sunny
58°
Mississauga
Sunny
65°
Brampton
Sunny
64°
Hamilton
Sunny
65°
London
Partly cloudy
59°
NBM + global weather models
Updated: 9:13 PM
Nepean, ON · Elev 285 ft · 45.34°N, 75.72°W · Ontario · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:13 PM