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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 · 9:46 AM EDT
21° | 18°
19°C
Feels like 21°
Heavy rain
WindSE 4 mph · Gusts 14 mph
Precip95% · 3.60 in
Humidity99% · Dew point 19°
UV index2 Low
Air Quality39 Good
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset6:40 AM · 7:55 PM · 13h 15m

Weather map — Mount Dennis

Full radar →
Now
19°
0.43 in
4 mph
10:00
19°
0.43 in
4 mph
11:00
20°
0.44 in
4 mph
12:00
20°
0.44 in
3 mph
13:00
19°
0.02 in
4 mph
14:00
20°
52%
4 mph
15:00
20°
54%
3 mph
16:00
20°
0.05 in
2 mph
17:00
20°
57%
2 mph
18:00
21°
0.03 in
2 mph
19:00
21°
51%
3 mph
20:00
20°
66%
4 mph
21:00
20°
45%
3 mph
22:00
20°
43%
4 mph
23:00
19°
53%
3 mph
00:00
19°
51%
3 mph
01:00
20°
44%
3 mph
02:00
20°
50%
2 mph
03:00
20°
51%
1 mph
04:00
20°
46%
2 mph
05:00
20°
42%
4 mph
06:00
19°
44%
2 mph
07:00
19°
43%
3 mph
08:00
19°
40%
3 mph

Today · Mon 8/31

High 21°
95% / 3.60 in

Heavy rain. Winds SE at 4 mph.

Tonight · Mon 8/31

Low 19°
45% / –

Fog. Winds SE at 3 mph.

Tomorrow · Tue 9/1

28° | 19°
76% / 0.06 in

Fog. Winds SE at 8 mph.

7-day trend

Mount Dennis · temperature + precipitation

10-day forecast

Updated 9:46 AM

Details & indices

Wind
4 mph SE
Gusts 14 mph
Humidity
99%
Dew point 19°
Pressure
30.06 inHg
Rising
UV index
2 — Low
High today
Air Quality
Good
AQI 39 · US EPA
Allergy
Low
Ragweed
Visibility
6 mi
Clear view
Allergy — Mount Dennis

🌿 Conditions right now

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

Sun & moon

Sunrise6:40 AM
Sunset7:55 PM
Length of day13h 15m
Moonrise9:12 PM
Moonset10:31 AM
Moon phase🌖 Waning Gibbous · 87%
Next full moonSep 26 Harvest Moon
Latitude43.6869°N
Longitude-79.4892°E

Water temps nearby

View all →
No beaches within 50 miles
🌦️Dry now — rain moving in around 11:15 AM (89 min)
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
Heavy rain
19°
Ottawa
Fog
16°
Mississauga
Rain
19°
Brampton
Heavy rain
19°
Hamilton
Rain
20°
London
Heavy rain
21°
Data sources · Monday, August 31
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: 9:46 AM
Weather in Mount Dennis
Mount Dennis's outlook: warmest day near 32° (Wednesday), coldest night about 15° (Saturday). About 3.8 in of precipitation is expected in total; the most likely wet day is Monday (95% chance). Expect a blustery spell — gusts near 25 mph on Monday. The NWS alert board for this area is currently clear. Right now Mount Dennis is running about 49° warmer than Kitchener. 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: 9:46 AM