Powered by WEATHER-INFO.COM
Your new global weather portal

Now · 6:35 AM

Whitby Weather & Hourly Forecast

Canada · Ontario

Light rain
20°C
Light rain
Feels like: 21°C
💧 Humidity 97% 🌡 Pressure 1014 hPa 💨 Wind 11 km/h 👁 Visibility 0.5 km Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:40 AM 🌇 Sunset 7:51 PM

Hourly Forecast for Whitby

Today
Light rain · 7:00 AM Light rain
20° 💧 1.0 mm 💨 11 km/h H 97%1014 hPa
Light rain · 10:00 AM Light rain
21° 💧 0.3 mm 💨 7 km/h H 97%1014 hPa
Overcast · 1:00 PM Overcast
27° 💧 0.3 mm 💨 9 km/h H 86%1013 hPa
Light rain · 4:00 PM Light rain
29° 💧 5.3 mm 💨 17 km/h H 77%1011 hPa
Light rain · 7:00 PM Light rain
26° 💧 4.2 mm 💨 20 km/h H 87%1011 hPa
Light rain · 10:00 PM Light rain
21° 💧 1.2 mm 💨 6 km/h H 96%1012 hPa
Tomorrow
Light rain · 1:00 AM Light rain
21° 💧 0.1 mm 💨 8 km/h H 91%1012 hPa
Clear night · 4:00 AM Clear night
20° 💧 None 💨 11 km/h H 93%1012 hPa
Sunny · 7:00 AM Sunny
19° 💧 None 💨 9 km/h H 87%1013 hPa
Mostly cloudy · 10:00 AM Mostly cloudy
23° 💧 None 💨 9 km/h H 70%1013 hPa
Mostly cloudy · 1:00 PM Mostly cloudy
27° 💧 None 💨 13 km/h H 55%1013 hPa
Overcast · 4:00 PM Overcast
26° 💧 None 💨 14 km/h H 56%1012 hPa
Overcast · 7:00 PM Overcast
23° 💧 None 💨 14 km/h H 66%1012 hPa
Mostly clear night · 10:00 PM Mostly clear night
19° 💧 None 💨 13 km/h H 67%1014 hPa
Friday
Partly cloudy night · 1:00 AM Partly cloudy night
17° 💧 None 💨 15 km/h H 76%1013 hPa
Mostly cloudy night · 4:00 AM Mostly cloudy night
16° 💧 None 💨 12 km/h H 86%1013 hPa

In Whitby and, more broadly, across the province of Ontario: Today, across the region, mainly cloudy skies are expected throughout the morning, with temperatures ranging from approximately 17 to 30 degrees Celsius. In many areas, showers or rain are possible, with the potential for some locations to receive up to around 36.8 mm of rain, and the probability of precipitation reaching 100% in parts of the region. Winds are generally from the southwest, averaging up to 21 km/h, with gusts potentially reaching around 44 km/h. During the afternoon, the cloud cover is expected to persist, and scattered showers may continue in many areas, accompanied by breezy southwest winds. Temperatures are likely to remain within the high teens to mid-20s in most parts, contributing to a relatively warm, unsettled day.

15-Day Weather Outlook for Whitby

TomorrowTomorrow Light rain Light rain 27°/18° 💧 0.3 mm 💨 15 km/h
Friday, Sep 4Fri Sep 4 Mostly cloudy Mostly cloudy 24°/15° 💧 None 💨 22 km/h
Saturday, Sep 5Sat Sep 5 Sunny Sunny 22°/13° 💧 None 💨 15 km/h
Sunday, Sep 6Sun Sep 6 Partly cloudy Partly cloudy 22°/13° 💧 None 💨 14 km/h
Monday, Sep 7Mon Sep 7 Mostly cloudy Mostly cloudy 23°/13° 💧 None 💨 12 km/h
Tuesday, Sep 8Tue Sep 8 Overcast Overcast 17°/12° 💧 None 💨 18 km/h
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 18°/10° 💧 1.1 mm 💨 23 km/h
Thursday, Sep 10Thu Sep 10 Moderate rain Moderate rain 20°/12° 💧 12 mm 💨 21 km/h
Friday, Sep 11Fri Sep 11 Light rain Light rain 13°/ 💧 1.7 mm 💨 14 km/h
Saturday, Sep 12Sat Sep 12 Moderate rain Moderate rain 16°/ 💧 5.0 mm 💨 17 km/h
Sunday, Sep 13Sun Sep 13 Light rain Light rain 18°/11° 💧 0.5 mm 💨 22 km/h
Monday, Sep 14Mon Sep 14 Light rain Light rain 21°/11° 💧 0.5 mm 💨 19 km/h
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 17°/11° 💧 0.6 mm 💨 26 km/h
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 24°/11° 💧 None 💨 31 km/h
Thursday, Sep 17Thu Sep 17 Mostly sunny Mostly sunny 18°/11° 💧 None 💨 20 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Whitby

Vertical axis: °C · Color based on temperature
Light rain at 7:00 AM
69° Today 7:00 AM
Overcast at 8:00 AM
69° 8:00 AM
Light rain at 9:00 AM
70° 9:00 AM
Light rain at 10:00 AM
70° 10:00 AM
Overcast at 11:00 AM
75° Today 11:00 AM
Overcast at 12:00 PM
80° 12:00 PM
Overcast at 1:00 PM
80° 1:00 PM
Light rain at 2:00 PM
81° 2:00 PM
Light rain at 3:00 PM
84° Today 3:00 PM
Light rain at 4:00 PM
85° 4:00 PM
Moderate rain at 5:00 PM
83° 5:00 PM
Moderate rain at 6:00 PM
81° 6:00 PM
Light rain at 7:00 PM
79° Today 7:00 PM
Moderate rain at 8:00 PM
76° 8:00 PM
Moderate rain at 9:00 PM
72° 9:00 PM
Light rain at 10:00 PM
70° 10:00 PM
Overcast night at 11:00 PM
70° Today 11:00 PM
Light rain at 12:00 AM
69° 12:00 AM
Light rain at 1:00 AM
69° 1:00 AM
Overcast night at 2:00 AM
69° 2:00 AM
Clear night at 3:00 AM
68° Tomorrow 3:00 AM
Clear night at 4:00 AM
68° 4:00 AM
Clear night at 5:00 AM
67° 5:00 AM
Mostly clear night at 6:00 AM
67° 6:00 AM
Sunny at 7:00 AM
66° Tomorrow 7:00 AM
Sunny at 8:00 AM
69° 8:00 AM
Sunny at 9:00 AM
71° 9:00 AM
Mostly cloudy at 10:00 AM
73° 10:00 AM
Mostly cloudy at 11:00 AM
76° Tomorrow 11:00 AM
Mostly cloudy at 12:00 PM
79° 12:00 PM
Mostly cloudy at 1:00 PM
80° 1:00 PM
Mostly cloudy at 2:00 PM
81° 2:00 PM
Overcast at 3:00 PM
79° Tomorrow 3:00 PM
Overcast at 4:00 PM
79° 4:00 PM
Overcast at 5:00 PM
78° 5:00 PM
Overcast at 6:00 PM
75° 6:00 PM
Overcast at 7:00 PM
73° Tomorrow 7:00 PM
Overcast night at 8:00 PM
69° 8:00 PM
Partly cloudy night at 9:00 PM
67° 9:00 PM
Mostly clear night at 10:00 PM
65° 10:00 PM
Partly cloudy night at 11:00 PM
64° Tomorrow 11:00 PM
Partly cloudy night at 12:00 AM
63° 12:00 AM
Partly cloudy night at 1:00 AM
62° 1:00 AM
Partly cloudy night at 2:00 AM
61° 2:00 AM
Mostly cloudy night at 3:00 AM
61° Friday 3:00 AM
Mostly cloudy night at 4:00 AM
60° 4:00 AM
Partly cloudy night at 5:00 AM
60° 5:00 AM
Partly cloudy night at 6:00 AM
60° 6:00 AM
Mostly sunny at 7:00 AM
60° Friday 7:00 AM
Mostly sunny at 8:00 AM
63° 8:00 AM
Sunny at 9:00 AM
67° 9:00 AM
Mostly cloudy at 10:00 AM
69° 10:00 AM
Partly cloudy at 11:00 AM
72° Friday 11:00 AM
Partly cloudy at 12:00 PM
73° 12:00 PM
Mostly cloudy at 1:00 PM
74° 1:00 PM
Mostly cloudy at 2:00 PM
75° 2:00 PM
Overcast at 3:00 PM
75° Friday 3:00 PM
Mostly cloudy at 4:00 PM
75° 4:00 PM
Partly cloudy at 5:00 PM
75° 5:00 PM
Partly cloudy at 6:00 PM
74° 6:00 PM
Mostly sunny at 7:00 PM
71° Friday 7:00 PM
Mostly clear night at 8:00 PM
67° 8:00 PM
Clear night at 9:00 PM
65° 9:00 PM
Clear night at 10:00 PM
63° 10:00 PM
Clear night at 11:00 PM
61° Friday 11:00 PM
Clear night at 12:00 AM
59° 12:00 AM
Clear night at 1:00 AM
59° 1:00 AM
Clear night at 2:00 AM
57° 2:00 AM
Clear night at 3:00 AM
57° Saturday 3:00 AM
Clear night at 4:00 AM
56° 4:00 AM
Clear night at 5:00 AM
56° 5:00 AM
Clear night at 6:00 AM
55° 6:00 AM
Sunny at 7:00 AM
55° Saturday 7:00 AM
Sunny at 8:00 AM
58° 8:00 AM
Sunny at 9:00 AM
61° 9:00 AM
Sunny at 10:00 AM
64° 10:00 AM
Sunny at 11:00 AM
67° Saturday 11:00 AM
Sunny at 12:00 PM
69° 12:00 PM
Sunny at 1:00 PM
70° 1:00 PM
Sunny at 2:00 PM
71° 2:00 PM
Mostly sunny at 3:00 PM
72° Saturday 3:00 PM
Partly cloudy at 4:00 PM
73° 4:00 PM
Mostly cloudy at 5:00 PM
70° 5:00 PM
Mostly cloudy at 6:00 PM
66° 6:00 PM
Mostly cloudy at 7:00 PM
65° Saturday 7:00 PM
Partly cloudy night at 8:00 PM
61° 8:00 PM
Clear night at 9:00 PM
60° 9:00 PM
Clear night at 10:00 PM
59° 10:00 PM
Clear night at 11:00 PM
58° Saturday 11:00 PM
Clear night at 12:00 AM
57° 12:00 AM
Clear night at 1:00 AM
57° 1:00 AM
Clear night at 2:00 AM
56° 2:00 AM
Clear night at 3:00 AM
56° Sunday 3:00 AM
Clear night at 4:00 AM
55° 4:00 AM
Clear night at 5:00 AM
55° 5:00 AM
Clear night at 6:00 AM
55° 6:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Whitby

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 7:00 AM
PM2.5 Fine particles Fair 14,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 14,4µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 62,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 6,1µg/m³

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 Whitby

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 5,3Moderate 🙂Fair
Tomorrow UV 6,7High 🙂Fair
Friday UV 6,4High 🙂Fair
Saturday UV 6,4High 😐Moderate
Sunday UV 6,0High 😊Good
Monday UV 6,0High Unavailable
Tuesday UV 5,0Moderate Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,1 9:00 AMUV 0,8 10:00 AMUV 1,8 11:00 AMUV 3,6 12:00 PMUV 5,3 1:00 PMUV 3,5 2:00 PMUV 5,1 3:00 PMUV 4,2 4:00 PMUV 2,9 5:00 PMUV 0,3 6:00 PMUV 0,2
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 Whitby

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 7:00 AM 8:00 AM 9:00 AM 10:00 AM Today 11:00 AM 12:00 PM 1:00 PM 2:00 PM Today 3:00 PM 4:00 PM 5:00 PM 6:00 PM Today 7:00 PM 8:00 PM 9:00 PM 10:00 PM Today 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tomorrow 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tomorrow 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tomorrow 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tomorrow 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tomorrow 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tomorrow 11:00 PM 12:00 AM 1:00 AM 2:00 AM Friday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Friday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Friday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Friday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Friday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Friday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Saturday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Saturday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Saturday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Saturday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Saturday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Saturday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Sunday 3:00 AM 4:00 AM 5:00 AM 6:00 AM
Sustained wind Max gusts
Internal PR simulation: 4.67 Population: 138,501

Forecast data for Whitby were last refreshed today at 6:35 AM. The current forecast period extends through 04/09/2026 at 4:00 AM. 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.