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WeatherLive › Ontario › Mount Dennis

Mount Dennis, ON Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherMount Dennis · 6:11 AM EDT
75° | 61°
61°F
Feels like 61°
Sunny
WindNW 4 mph · Gusts 9 mph
Precip13% · –
Humidity82% · Dew point 56°
UV index7 High
Air Quality22 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:45 AM · 7:48 PM · 13h 3m

Weather map — Mount Dennis

Full radar →
Now
61°
10%
4 mph
07:00
61°
10%
4 mph
08:00
63°
9%
4 mph
09:00
67°
23%
3 mph
10:00
70°
10%
3 mph
11:00
73°
16%
3 mph
12:00
75°
19%
3 mph
13:00
74°
13%
3 mph
14:00
70°
16%
2 mph
15:00
69°
18%
7 mph
16:00
69°
19%
6 mph
17:00
70°
16%
6 mph
18:00
73°
6%
4 mph
19:00
72°
17%
2 mph
20:00
69°
7%
6 mph
21:00
67°
8%
7 mph
22:00
66°
6%
9 mph
23:00
65°
7%
9 mph
00:00
65°
7%
7 mph
01:00
65°
6%
6 mph
02:00
64°
6%
6 mph
03:00
63°
7%
5 mph
04:00
62°
8%
6 mph
05:00
61°
9%
6 mph

Today · Fri 9/4

High 75°
13% / –

Mostly cloudy. Winds N at 9 mph.

Overnight · Fri 9/4

Low 61°
— / –

Mostly cloudy.

Tomorrow · Sat 9/5

76° | 60°
7% / –

Sunny. Winds N at 12 mph.

7-day trend

Mount Dennis · temperature + precipitation

10-day forecast

Updated 6:11 AM

Details & indices

Wind
4 mph NW
Gusts 9 mph
Humidity
82%
Dew point 56°
Pressure
29.91 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 22 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Mount Dennis

🌿 Conditions right now

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

Sun & moon

Sunrise6:45 AM
Sunset7:48 PM
Length of day13h 3m
Moonrise11:50 PM
Moonset3:31 PM
Moon phase🌗 Last Quarter · 49%
Next full moonSep 26 Harvest Moon
Latitude43.6869°N
Longitude-79.4892°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
Mostly cloudy
62°
Ottawa
Sunny
62°
Mississauga
Partly cloudy
62°
Brampton
Partly cloudy
61°
Hamilton
Partly cloudy
66°
London
Showers
64°
Data sources · Friday, September 4
Where the Mount Dennis 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: 43.6869°N, -79.4892°.
NBM + global weather models
Updated: 6:11 AM
Weather in Mount Dennis
Mount Dennis's outlook: warmest day near 78° (Sunday), coldest night about 51° (Friday). About 0.22 in of precipitation is expected in total; the most likely wet day is Wednesday (82% chance). Expect a blustery spell — gusts near 30 mph on Thursday. The NWS alert board for this area is currently clear. Right now Mount Dennis is about 5° cooler than nearby Hamilton. Longer view: four full seasons with serious winter and real summer heat.
Mount Dennis, ON · Elev 407 ft · 43.69°N, 79.49°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: 6:11 AM