Feels like20°CWind direction northGusts —Humidity 50%Cloud cover 2%Pressure 1012 hPa
Clear night
15°💧 None💨 9 km/hH 64%1012 hPa
Feels like13°CWind direction northGusts —Humidity 64%Cloud cover 0%Pressure 1012 hPa
Tuesday
Clear night
11°💧 None💨 6 km/hH 75%1013 hPa
Feels like9°CWind direction northGusts —Humidity 75%Cloud cover 0%Pressure 1013 hPa
Sunny
10°💧 None💨 4 km/hH 85%1015 hPa
Feels like8°CWind direction northGusts —Humidity 85%Cloud cover 0%Pressure 1015 hPa
Sunny
22°💧 None💨 4 km/hH 54%1014 hPa
Feels like22°CWind direction southGusts —Humidity 54%Cloud cover 0%Pressure 1014 hPa
Clear night
18°💧 None💨 7 km/hH 73%1014 hPa
Feels like17°CWind direction southGusts —Humidity 73%Cloud cover 0%Pressure 1014 hPa
Wednesday
Partly cloudy night
13°💧 None💨 5 km/hH 82%1015 hPa
Feels like12°CWind direction southGusts —Humidity 82%Cloud cover 48%Pressure 1015 hPa
Mostly cloudy
13°💧 None💨 8 km/hH 94%1015 hPa
Feels like12°CWind direction eastGusts —Humidity 94%Cloud cover 84%Pressure 1015 hPa
Overcast
23°💧 None💨 16 km/hH 56%1013 hPa
Feels like21°CWind direction southeastGusts —Humidity 56%Cloud cover 99%Pressure 1013 hPa
Overcast night
17°💧 None💨 12 km/hH 86%1013 hPa
Feels like16°CWind direction eastGusts —Humidity 86%Cloud cover 98%Pressure 1013 hPa
Thursday
Overcast night
17°💧 None💨 11 km/hH 92%1013 hPa
Feels like16°CWind direction southeastGusts —Humidity 92%Cloud cover 100%Pressure 1013 hPa
Overcast
17°💧 None💨 10 km/hH 89%1014 hPa
Feels like17°CWind direction southGusts —Humidity 89%Cloud cover 100%Pressure 1014 hPa
Overcast
24°💧 None💨 13 km/hH 62%1014 hPa
Feels like23°CWind direction southGusts —Humidity 62%Cloud cover 100%Pressure 1014 hPa
Overcast night
20°💧 None💨 12 km/hH 79%1015 hPa
Feels like20°CWind direction southeastGusts —Humidity 79%Cloud cover 100%Pressure 1015 hPa
Friday
Partly cloudy night
19°💧 None💨 14 km/hH 88%1014 hPa
Feels like18°CWind direction southeastGusts —Humidity 88%Cloud cover 69%Pressure 1014 hPa
Moderate rain
18°💧 None💨 18 km/hH 93%1014 hPa
Feels like16°CWind direction southGusts —Humidity 93%Cloud cover 99%Pressure 1014 hPa
Light rain
21°💧 None💨 23 km/hH 80%1011 hPa
Feels like20°CWind direction southGusts —Humidity 80%Cloud cover 96%Pressure 1011 hPa
Overcast night
19°💧 None💨 13 km/hH 95%1011 hPa
Feels like19°CWind direction southGusts —Humidity 95%Cloud cover 100%Pressure 1011 hPa
Saturday
Light rain
18°💧 None💨 9 km/hH 98%1011 hPa
Feels like18°CWind direction southwestGusts —Humidity 98%Cloud cover 97%Pressure 1011 hPa
Overcast
17°💧 None💨 9 km/hH 100%1010 hPa
Feels like18°CWind direction southGusts —Humidity 100%Cloud cover 100%Pressure 1010 hPa
Light rain
21°💧 None💨 14 km/hH 81%1008 hPa
Feels like21°CWind direction southGusts —Humidity 81%Cloud cover 92%Pressure 1008 hPa
Mostly cloudy night
18°💧 None💨 9 km/hH 83%1006 hPa
Feels like17°CWind direction southGusts —Humidity 83%Cloud cover 95%Pressure 1006 hPa
Sunday
Overcast night
16°💧 None💨 10 km/hH 99%1004 hPa
Feels like15°CWind direction southwestGusts —Humidity 99%Cloud cover 100%Pressure 1004 hPa
Partly cloudy
14°💧 None💨 12 km/hH 99%1004 hPa
Feels like13°CWind direction southwestGusts —Humidity 99%Cloud cover 62%Pressure 1004 hPa
Light rain
16°💧 None💨 16 km/hH 72%1005 hPa
Feels like13°CWind direction southwestGusts —Humidity 72%Cloud cover 70%Pressure 1005 hPa
Mostly clear night
14°💧 None💨 12 km/hH 80%1006 hPa
Feels like12°CWind direction southwestGusts —Humidity 80%Cloud cover 22%Pressure 1006 hPa
Monday
Clear night
11°💧 None💨 13 km/hH 94%1007 hPa
Feels like9°CWind direction westGusts —Humidity 94%Cloud cover 3%Pressure 1007 hPa
Mostly cloudy
10°💧 None💨 12 km/hH 94%1009 hPa
Feels like8°CWind direction westGusts —Humidity 94%Cloud cover 80%Pressure 1009 hPa
Overcast
12°💧 None💨 18 km/hH 73%1008 hPa
Feels like8°CWind direction westGusts —Humidity 73%Cloud cover 100%Pressure 1008 hPa
Overcast night
11°💧 None💨 19 km/hH 83%1008 hPa
Feels like7°CWind direction westGusts —Humidity 83%Cloud cover 99%Pressure 1008 hPa
Tuesday
Light rain
11°💧 None💨 21 km/hH 93%1007 hPa
Feels like7°CWind direction westGusts —Humidity 93%Cloud cover 99%Pressure 1007 hPa
Overcast
11°💧 None💨 13 km/hH 96%1009 hPa
Feels like8°CWind direction northwestGusts —Humidity 96%Cloud cover 100%Pressure 1009 hPa
Mostly sunny
16°💧 None💨 21 km/hH 67%1010 hPa
Feels like12°CWind direction northwestGusts —Humidity 67%Cloud cover 36%Pressure 1010 hPa
Overcast night
13°💧 None💨 17 km/hH 78%1013 hPa
Feels like9°CWind direction northwestGusts —Humidity 78%Cloud cover 99%Pressure 1013 hPa
Wednesday
Overcast night
12°💧 None💨 11 km/hH 88%1014 hPa
Feels like9°CWind direction northwestGusts —Humidity 88%Cloud cover 100%Pressure 1014 hPa
Overcast
11°💧 None💨 11 km/hH 90%1017 hPa
Feels like9°CWind direction northGusts —Humidity 90%Cloud cover 95%Pressure 1017 hPa
In Waterloo and, more broadly, across the province of Ontario:
This morning across the region, mainly cloudy skies are expected to persist, with temperatures ranging from about 8 to 17 degrees Celsius. In many areas, conditions are expected to remain dry through the early hours. During the afternoon, skies will likely stay mostly cloudy, with temperatures remaining steady within the same range. Winds will predominantly come from the northeast at around 14 km/h, with gusts reaching up to 32 km/h at times. Overall, little to no precipitation is anticipated today, but the breeze from the northeast may cause some minor disturbances locally. No significant weather hazards are expected in the coming hours.
15-Day Weather Outlook for Waterloo
TomorrowTomorrowPartly cloudy17°/8°💧 None💨 23 km/h
Daytime temperature 16°CFeels like 11°CHumidity 72%Pressure 1032 hPaCloud cover 45%Wind direction eastGusts 48 km/hSunrise —Sunset —
Thursday, Sep 24Thu Sep 24Partly cloudy17°/9°💧 None💨 16 km/h
Daytime temperature 16°CFeels like 13°CHumidity 76%Pressure 1031 hPaCloud cover 10%Wind direction eastGusts 35 km/hSunrise —Sunset —
Friday, Sep 25Fri Sep 25Mostly cloudy19°/6°💧 0.0 mm💨 12 km/h
Daytime temperature 15°CFeels like 12°CHumidity 83%Pressure 1027 hPaCloud cover 11%Wind direction northeastGusts 28 km/hSunrise —Sunset —
Saturday, Sep 26Sat Sep 26Sunny21°/10°💧 None💨 12 km/h
Daytime temperature 18°CFeels like 16°CHumidity 67%Pressure 1022 hPaCloud cover 0%Wind direction northeastGusts 23 km/hSunrise —Sunset —
Sunday, Sep 27Sun Sep 27Sunny21°/10°💧 None💨 16 km/h
Daytime temperature 18°CFeels like 15°CHumidity 66%Pressure 1016 hPaCloud cover 1%Wind direction northGusts 35 km/hSunrise —Sunset —
Monday, Sep 28Mon Sep 28Sunny21°/11°💧 None💨 11 km/h
Daytime temperature 21°CFeels like 20°CHumidity 74%Pressure 1012 hPaCloud cover 2%Wind direction northGusts 21 km/hSunrise —Sunset —
Tuesday, Sep 29Tue Sep 29Sunny22°/10°💧 None💨 7 km/h
Daytime temperature 22°CFeels like 22°CHumidity 72%Pressure 1014 hPaCloud cover 0%Wind direction southGusts —Sunrise —Sunset —
Wednesday, Sep 30Wed Sep 30Partly cloudy23°/13°💧 0.0 mm💨 16 km/h
Daytime temperature 23°CFeels like 21°CHumidity 80%Pressure 1014 hPaCloud cover 82%Wind direction southeastGusts —Sunrise —Sunset —
Thursday, Oct 1Thu Oct 1Overcast24°/17°💧 None💨 13 km/h
Daytime temperature 24°CFeels like 23°CHumidity 80%Pressure 1014 hPaCloud cover 100%Wind direction southGusts —Sunrise —Sunset —
Friday, Oct 2Fri Oct 2Moderate rain21°/18°💧 4.6 mm💨 23 km/h
Daytime temperature 21°CFeels like 20°CHumidity 89%Pressure 1012 hPaCloud cover 91%Wind direction southGusts —Sunrise —Sunset —
Saturday, Oct 3Sat Oct 3Light rain21°/17°💧 2.8 mm💨 14 km/h
Daytime temperature 21°CFeels like 21°CHumidity 90%Pressure 1009 hPaCloud cover 96%Wind direction southGusts —Sunrise —Sunset —
Sunday, Oct 4Sun Oct 4Light rain16°/14°💧 19 mm💨 16 km/h
Daytime temperature 16°CFeels like 13°CHumidity 88%Pressure 1005 hPaCloud cover 64%Wind direction southwestGusts —Sunrise —Sunset —
Monday, Oct 5Mon Oct 5Overcast12°/10°💧 0.3 mm💨 19 km/h
Daytime temperature 12°CFeels like 8°CHumidity 86%Pressure 1008 hPaCloud cover 70%Wind direction westGusts —Sunrise —Sunset —
Tuesday, Oct 6Tue Oct 6Light rain16°/11°💧 2.8 mm💨 21 km/h
Daytime temperature 16°CFeels like 12°CHumidity 84%Pressure 1010 hPaCloud cover 84%Wind direction northwestGusts —Sunrise —Sunset —
Wednesday, Oct 7Wed Oct 7Overcast12°/11°💧 0.0 mm💨 11 km/h
Daytime temperature 11°CFeels like 9°CHumidity 89%Pressure 1016 hPaCloud cover 98%Wind direction northGusts —Sunrise —Sunset —
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
✓Air quality is acceptable for most people.
❤
UV & HEALTH
UV, Sun & Health Outlook in Waterloo
Maximum daily UVToday, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low3–5 Moderate6–7 High8–10 Very high11+ Extreme
DayMaximum UVAir quality
TodayUV 5,0Moderate🙂Fair
TomorrowUV 5,1Moderate🙂Fair
ThursdayUV 5,0Moderate😐Moderate
FridayUV 4,7Moderate😐Moderate
SaturdayUV 4,7Moderate😐Moderate
SundayUV 6,0High—Unavailable
MondayUV 6,0High—Unavailable
Hourly UV index today
5:00 PMUV 1,46:00 PMUV 0,57:00 PMUV 0,0
🩺
Today's weather health advice
Open today's recommendations.
⌄
☀️
Moderate UV risk
Sunglasses and sun protection are recommended for prolonged exposure.
🌬️
Acceptable air quality
Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.
💧
Comfortable temperature conditions
Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.
🏃
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for Waterloo
Vertical axis: km/h · Horizontal axis: hours
km/h
Sustained windMax gusts
NIGHT SKY · WATERLOO, ONTARIO
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.
96/100Best-hour score
BEST TIME TONIGHT5:00 AM–6:00 AM
Astronomical darkness: 8:56 PM–5:34 AM
☁Cloud cover5%
Real hourly forecast for the best viewing hour.
☾Moonlight89%
Waxing Gibbous · Moon below the horizon at the best viewing hour.
☄Meteor activitySouthern Taurids
Reference ZHR 7 · Radiant 61° high at the best hour.
✦Estimated visible meteors1–4/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min71%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page.
Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal
conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBYWeather in other cities⌄
Explore current conditions and forecasts for other locations.
Forecast data for Waterloo were last refreshed today at 4:57 PM. The current forecast period extends through 24/09/2026 at 2:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.