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WeatherLive › Ontario › Nepean

Nepean, ON Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherNepean · 9:16 PM EDT
79° | 57°
68°F
Feels like 69°
Sunny
WindN 5 mph · Gusts 10 mph
Precip74% · 0.34 in
Humidity75% · Dew point 60°
UV index6 High
Air Quality19 Good
Pressure29.88 inHg
Visibility6 mi
Sunrise / Sunset6:01 AM · 8:13 PM · 14h 12m

Weather map — Nepean

Full radar →
Now
66°
7%
5 mph
22:00
65°
8%
5 mph
23:00
64°
9%
5 mph
00:00
63°
9%
5 mph
01:00
62°
10%
6 mph
02:00
60°
11%
6 mph
03:00
60°
11%
5 mph
04:00
59°
11%
4 mph
05:00
58°
12%
4 mph
06:00
57°
12%
3 mph
07:00
56°
11%
4 mph
08:00
60°
8%
4 mph
09:00
64°
6%
5 mph
10:00
67°
4%
5 mph
11:00
69°
3%
5 mph
12:00
71°
3%
6 mph
13:00
73°
3%
7 mph
14:00
74°
4%
8 mph
15:00
74°
4%
7 mph
16:00
74°
4%
7 mph
17:00
73°
5%
7 mph
18:00
71°
5%
6 mph
19:00
69°
6%
5 mph
20:00
65°
7%
4 mph

Today · Thu 8/13

High 79°
74% / 0.34 in

Sunny. Winds NW at 13 mph.

Tonight · Thu 8/13

Low 56°
8% / –

Sunny. Winds N at 5 mph.

Tomorrow · Fri 8/14

74° | 56°
6% / –

Partly cloudy. Winds NW at 8 mph.

7-day trend

Nepean · temperature + precipitation

10-day forecast

Updated 9:16 PM

Details & indices

Wind
5 mph N
Gusts 10 mph
Humidity
75%
Dew point 60°
Pressure
29.88 inHg
Falling
UV index
6 — High
High today
Air Quality
Good
AQI 19 · US EPA
Allergy
Moderate
Mugwort
Visibility
6 mi
Clear view
Allergy — Nepean

🌿 Conditions right now

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

Sun & moon

Sunrise6:01 AM
Sunset8:13 PM
Length of day14h 12m
Moonrise6:42 AM
Moonset8:38 PM
Moon phase🌔 New 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
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Toronto
Sunny
74°
Ottawa
Sunny
69° 🌤️
Mississauga
—
— 🌤️
Brampton
—
— 🌤️
Hamilton
—
— 🌤️
London
—
—
Data sources · Thursday, August 13
Where the Nepean forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 45.3362°N, -75.7225°.
NBM + global weather models
Updated: 9:16 PM
Weather in Nepean
The 10-day span for Nepean runs from a high near 82° on Friday down to 51° overnight on Saturday. About 0.76 in of precipitation is expected in total; the most likely wet day is Saturday (87% chance). No watches or warnings are active for the area right now. Right now Nepean is about 5° cooler than nearby Oshawa. Longer view: four full seasons with serious winter and real summer heat.
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: 9:16 PM