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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 · 9:19 AM EDT
74° | 59°
64°F
Feels like 61°
Sunny
WindNW 10 mph · Gusts 23 mph
Precip11% · –
Humidity85% · Dew point 59°
UV index7 High
Air Quality24 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:33 AM · 8:05 PM · 13h 32m

Weather map — Yonge-St.Clair

Full radar →
Now
64°
13%
10 mph
10:00
65°
14%
11 mph
11:00
66°
24%
11 mph
12:00
67°
18%
10 mph
13:00
69°
12%
10 mph
14:00
70°
18%
10 mph
15:00
72°
16%
10 mph
16:00
74°
8%
9 mph
17:00
74°
11%
5 mph
18:00
72°
12%
4 mph
19:00
71°
12%
4 mph
20:00
69°
4%
4 mph
21:00
67°
4%
4 mph
22:00
66°
5%
4 mph
23:00
65°
6%
4 mph
00:00
64°
7%
4 mph
01:00
64°
8%
3 mph
02:00
63°
8%
3 mph
03:00
62°
8%
3 mph
04:00
62°
8%
3 mph
05:00
62°
8%
2 mph
06:00
61°
9%
3 mph
07:00
61°
9%
3 mph
08:00
62°
20%
3 mph

Today · Tue 8/25

High 74°
11% / –

Sunny. Winds NW at 11 mph.

Tonight · Tue 8/25

Low 61°
4% / –

Sunny. Winds NW at 4 mph.

Tomorrow · Wed 8/26

77° | 61°
7% / –

Sunny. Winds SE at 12 mph.

7-day trend

Yonge-St.Clair · temperature + precipitation

10-day forecast

Updated 9:19 AM

Details & indices

Wind
10 mph NW
Gusts 23 mph
Humidity
85%
Dew point 59°
Pressure
30.03 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 24 · 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 · 93%
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
Sunny
59° 🌤️
Ottawa
—
—
Mississauga
Partly cloudy
61° 🌤️
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: 9:19 AM
Weather in Yonge-St.Clair
Yonge-St.Clair's outlook: warmest day near 79° (Friday), coldest night about 53° (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 7° 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: 9:19 AM