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WeatherLive › Ontario › Yonge-St.Clair

Yonge-St.Clair, ON Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherYonge-St.Clair · 5:15 AM EDT
24° | 15°
16°C
Feels like 15°
Sunny
WindNW 6 mph · Gusts 21 mph
Precip11% · –
Humidity90% · Dew point 14°
UV index7 High
Air Quality22 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:33 AM · 8:05 PM · 13h 32m

Weather map — Yonge-St.Clair

Full radar →
Now
15°
14%
5 mph
06:00
15°
13%
5 mph
07:00
15°
13%
6 mph
08:00
17°
13%
9 mph
09:00
18°
13%
10 mph
10:00
18°
14%
11 mph
11:00
19°
24%
11 mph
12:00
20°
18%
10 mph
13:00
20°
12%
10 mph
14:00
21°
18%
10 mph
15:00
22°
16%
10 mph
16:00
23°
8%
9 mph
17:00
24°
11%
5 mph
18:00
22°
12%
4 mph
19:00
22°
12%
4 mph
20:00
20°
4%
4 mph
21:00
19°
4%
4 mph
22:00
19°
5%
4 mph
23:00
18°
6%
4 mph
00:00
18°
7%
4 mph
01:00
18°
8%
3 mph
02:00
17°
8%
3 mph
03:00
17°
8%
3 mph
04:00
17°
8%
3 mph

Today · Tue 8/25

High 24°
11% / –

Sunny. Winds NW at 11 mph.

Overnight · Tue 8/25

Low 15°
— / –

Sunny.

Tomorrow · Wed 8/26

25° | 16°
7% / –

Sunny. Winds SE at 12 mph.

7-day trend

Yonge-St.Clair · temperature + precipitation

10-day forecast

Updated 5:15 AM

Details & indices

Wind
6 mph NW
Gusts 21 mph
Humidity
90%
Dew point 14°
Pressure
29.94 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 22 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Yonge-St.Clair

🌿 Conditions right now

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

Sun & moon

Sunrise6:33 AM
Sunset8:05 PM
Length of day13h 32m
Moonrise7:05 PM
Moonset3:35 AM
Moon phase🌔 Waxing Gibbous · 92%
Next full moonAug 28 Sturgeon Moon
Latitude43.6879°N
Longitude-79.3979°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
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Toronto
—
— 🌤️
Ottawa
—
— 🌤️
Mississauga
—
— 🌤️
Brampton
—
— 🌤️
Hamilton
—
— 🌤️
London
—
—
Data sources · Tuesday, August 25
Where the Yonge-St.Clair 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: 43.6879°N, -79.3979°.
NBM + global weather models
Updated: 5:15 AM
Weather in Yonge-St.Clair
Yonge-St.Clair's outlook: warmest day near 26° (Friday), coldest night about 12° (Thursday). Roughly 3.9 in of rain falls over the period, with Tuesday the most likely wet day (91%). Hold onto the patio furniture Thursday: gusts could hit 32 mph. No watches or warnings are active for the area right now. Right now Yonge-St.Clair is running about 46° warmer than London. Longer view: four full seasons with serious winter and real summer heat.
Yonge-St.Clair, ON · Elev 509 ft · 43.69°N, 79.40°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: 5:15 AM