New York, NY 19° Los Angeles, CA 23° 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL Phoenix, AZ 40° Seattle, WA 16° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 16°
WeatherLive › Ontario › Waterloo

Waterloo, ON Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherWaterloo · 1:46 AM EDT
17° | 11°
12°C
Feels like 10°
Rain
WindW 10 mph · Gusts 26 mph
Precip91% · 1.02 in
Humidity84% · Dew point 10°
UV index4 Moderate
Air Quality22 Good
Pressure29.83 inHg
Visibility6 mi
Sunrise / Sunset6:37 AM · 8:11 PM · 13h 34m

Weather map — Waterloo

Full radar →
Now
12°
0.11 in
10 mph
02:00
13°
0.11 in
11 mph
03:00
13°
0.11 in
13 mph
04:00
13°
0.11 in
12 mph
05:00
13°
0.11 in
14 mph
06:00
13°
0.14 in
16 mph
07:00
12°
0.02 in
16 mph
08:00
12°
60%
17 mph
09:00
11°
0.04 in
18 mph
10:00
12°
65%
15 mph
11:00
13°
0.02 in
12 mph
12:00
14°
0.02 in
15 mph
13:00
14°
0.02 in
15 mph
14:00
14°
0.02 in
16 mph
15:00
14°
31%
15 mph
16:00
17°
29%
17 mph
17:00
17°
35%
17 mph
18:00
16°
33%
14 mph
19:00
15°
36%
13 mph
20:00
15°
35%
11 mph
21:00
14°
29%
9 mph
22:00
14°
33%
9 mph
23:00
14°
31%
11 mph
00:00
14°
36%
10 mph

Today · Mon 8/24

High 17°
91% / 1.02 in

Showers. Winds SW at 18 mph.

Overnight · Mon 8/24

Low 11°
83% / 0.11 in

Rain. Winds W at 11 mph.

Tomorrow · Tue 8/25

22° | 13°
21% / –

Sunny. Winds NW at 14 mph.

7-day trend

Waterloo · temperature + precipitation

10-day forecast

Updated 1:46 AM

Details & indices

Wind
10 mph W
Gusts 26 mph
Humidity
84%
Dew point 10°
Pressure
29.83 inHg
Falling
UV index
4 — Moderate
High today
Air Quality
Good
AQI 22 · US EPA
Allergy
Low
Grass
Visibility
6 mi
Clear view
Allergy — Waterloo

🌿 Conditions right now

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

Sun & moon

Sunrise6:37 AM
Sunset8:11 PM
Length of day13h 34m
Moonrise6:39 PM
Moonset2:35 AM
Moon phase🌔 Waxing Gibbous · 85%
Next full moonAug 28 Sturgeon Moon
Latitude43.4668°N
Longitude-80.5164°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
Poor
Fire up the grill
Running
Poor
Lace up outside
Patio
Poor
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Toronto
—
— 🌤️
Ottawa
—
— 🌤️
Mississauga
—
—
Brampton
Rain
13° 🌤️
Hamilton
—
— 🌤️
London
—
—
Data sources · Monday, August 24
Where the Waterloo 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: 43.4668°N, -80.5164°.
NBM + global weather models
Updated: 1:46 AM
Weather in Waterloo
Waterloo's outlook: warmest day near 25° (Wednesday), coldest night about 9° (Tuesday). Roughly 2.1 in of rain falls over the period, with Monday the most likely wet day (91%). Expect a blustery spell — gusts near 31 mph on Monday. No watches or warnings are active for the area right now. Right now Waterloo is running about 40° warmer than Toronto. Longer view: four full seasons with serious winter and real summer heat.
Waterloo, ON · Elev 1,066 ft · 43.47°N, 80.52°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: 1:46 AM