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Now · 3:37 PM

East Gwillimbury Weather & Hourly Forecast

Canada · Ontario

Partly cloudy
21°C
Partly cloudy
Feels like: 21°C
💧 Humidity 53% 🌡 Pressure 1020 hPa 💨 Wind 14 km/h 👁 Visibility 10.0 km Clouds 41% ☀️ UV index 6.0 · High 🌅 Sunrise 6:36 AM 🌇 Sunset 8:01 PM

Hourly Forecast for East Gwillimbury

Today
Partly cloudy · 4:00 PM Partly cloudy
21° 💧 None 💨 14 km/h H 53%1020 hPa
Partly cloudy · 7:00 PM Partly cloudy
20° 💧 None 💨 13 km/h H 57%1020 hPa
Clear night · 10:00 PM Clear night
15° 💧 None 💨 6 km/h H 70%1022 hPa
Tomorrow
Clear night · 1:00 AM Clear night
14° 💧 None 💨 4 km/h H 76%1022 hPa
Mostly clear night · 4:00 AM Mostly clear night
14° 💧 None 💨 8 km/h H 75%1021 hPa
Mostly cloudy · 7:00 AM Mostly cloudy
16° 💧 None 💨 11 km/h H 67%1022 hPa
Partly cloudy · 10:00 AM Partly cloudy
20° 💧 None 💨 21 km/h H 54%1021 hPa
Partly cloudy · 1:00 PM Partly cloudy
25° 💧 None 💨 20 km/h H 47%1020 hPa
Overcast · 4:00 PM Overcast
27° 💧 None 💨 23 km/h H 43%1018 hPa
Overcast · 7:00 PM Overcast
22° 💧 None 💨 11 km/h H 61%1018 hPa
Overcast night · 10:00 PM Overcast night
21° 💧 None 💨 18 km/h H 57%1018 hPa
Sunday
Overcast night · 1:00 AM Overcast night
17° 💧 None 💨 14 km/h H 59%1018 hPa
Overcast night · 4:00 AM Overcast night
17° 💧 None 💨 10 km/h H 63%1017 hPa
Overcast · 7:00 AM Overcast
18° 💧 None 💨 9 km/h H 69%1018 hPa
Light rain · 10:00 AM Light rain
18° 💧 0.1 mm 💨 8 km/h H 81%1018 hPa
Overcast · 1:00 PM Overcast
19° 💧 None 💨 8 km/h H 82%1018 hPa

In East Gwillimbury and, more broadly, across the province of Ontario: This afternoon, skies are expected to feature a mix of sunny periods with a few clouds across many areas. Temperatures are likely to range from around 13 to 22 degrees Celsius, providing mild conditions as the day progresses. Winds will predominantly come from the west at speeds up to 15 km/h, with gusts reaching approximately 20 km/h, contributing to a gentle breeze. Overall, conditions are mainly dry in most parts of the region, with no significant precipitation anticipated. As evening approaches, temperatures are expected to cool gradually, remaining within the mild range, while the wind may continue from the west at similar speeds. In parts of the region, clear to partly cloudy skies are forecast, providing a relatively calm and dry evening.

15-Day Weather Outlook for East Gwillimbury

TomorrowTomorrow Partly cloudy Partly cloudy 26°/13° 💧 None 💨 25 km/h
Sunday, Aug 30Sun Aug 30 Light rain Light rain 23°/17° 💧 0.9 mm 💨 26 km/h
Monday, Aug 31Mon Aug 31 Moderate rain Moderate rain 24°/17° 💧 7.0 mm 💨 16 km/h
Tuesday, Sep 1Tue Sep 1 Light rain Light rain 27°/19° 💧 3.5 mm 💨 16 km/h
Wednesday, Sep 2Wed Sep 2 Light rain Light rain 33°/20° 💧 1.4 mm 💨 26 km/h
Thursday, Sep 3Thu Sep 3 Sunny Sunny 27°/17° 💧 None 💨 21 km/h
Friday, Sep 4Fri Sep 4 Mostly sunny Mostly sunny 24°/14° 💧 None 💨 13 km/h
Saturday, Sep 5Sat Sep 5 Mostly sunny Mostly sunny 25°/14° 💧 None 💨 12 km/h
Sunday, Sep 6Sun Sep 6 Mostly cloudy Mostly cloudy 25°/13° 💧 None 💨 11 km/h
Monday, Sep 7Mon Sep 7 Light rain Light rain 23°/15° 💧 1.1 mm 💨 18 km/h
Tuesday, Sep 8Tue Sep 8 Partly cloudy Partly cloudy 20°/11° 💧 None 💨 24 km/h
Wednesday, Sep 9Wed Sep 9 Sunny Sunny 19°/ 💧 None 💨 29 km/h
Thursday, Sep 10Thu Sep 10 Sunny Sunny 19°/ 💧 None 💨 17 km/h
Friday, Sep 11Fri Sep 11 Sunny Sunny 23°/ 💧 None 💨 13 km/h
Saturday, Sep 12Sat Sep 12 Light rain Light rain 26°/12° 💧 0.8 mm 💨 24 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in East Gwillimbury

Vertical axis: °C · Color based on temperature
Partly cloudy at 4:00 PM
71° Today 4:00 PM
Partly cloudy at 5:00 PM
70° 5:00 PM
Partly cloudy at 6:00 PM
70° 6:00 PM
Partly cloudy at 7:00 PM
68° 7:00 PM
Mostly sunny at 8:00 PM
64° Today 8:00 PM
Clear night at 9:00 PM
60° 9:00 PM
Clear night at 10:00 PM
60° 10:00 PM
Clear night at 11:00 PM
58° 11:00 PM
Clear night at 12:00 AM
57° Tomorrow 12:00 AM
Clear night at 1:00 AM
57° 1:00 AM
Clear night at 2:00 AM
57° 2:00 AM
Clear night at 3:00 AM
58° 3:00 AM
Mostly clear night at 4:00 AM
58° Tomorrow 4:00 AM
Mostly clear night at 5:00 AM
57° 5:00 AM
Partly cloudy night at 6:00 AM
60° 6:00 AM
Mostly cloudy at 7:00 AM
61° 7:00 AM
Mostly cloudy at 8:00 AM
62° Tomorrow 8:00 AM
Mostly cloudy at 9:00 AM
63° 9:00 AM
Partly cloudy at 10:00 AM
67° 10:00 AM
Partly cloudy at 11:00 AM
71° 11:00 AM
Mostly sunny at 12:00 PM
75° Tomorrow 12:00 PM
Partly cloudy at 1:00 PM
77° 1:00 PM
Partly cloudy at 2:00 PM
81° 2:00 PM
Overcast at 3:00 PM
82° 3:00 PM
Overcast at 4:00 PM
81° Tomorrow 4:00 PM
Mostly cloudy at 5:00 PM
79° 5:00 PM
Overcast at 6:00 PM
77° 6:00 PM
Overcast at 7:00 PM
72° 7:00 PM
Overcast at 8:00 PM
69° Tomorrow 8:00 PM
Overcast night at 9:00 PM
69° 9:00 PM
Overcast night at 10:00 PM
69° 10:00 PM
Overcast night at 11:00 PM
66° 11:00 PM
Overcast night at 12:00 AM
64° Sunday 12:00 AM
Overcast night at 1:00 AM
62° 1:00 AM
Overcast night at 2:00 AM
62° 2:00 AM
Overcast night at 3:00 AM
62° 3:00 AM
Overcast night at 4:00 AM
62° Sunday 4:00 AM
Overcast night at 5:00 AM
63° 5:00 AM
Overcast night at 6:00 AM
64° 6:00 AM
Overcast at 7:00 AM
65° 7:00 AM
Overcast at 8:00 AM
65° Sunday 8:00 AM
Overcast at 9:00 AM
65° 9:00 AM
Light rain at 10:00 AM
64° 10:00 AM
Overcast at 11:00 AM
64° 11:00 AM
Overcast at 12:00 PM
65° Sunday 12:00 PM
Overcast at 1:00 PM
66° 1:00 PM
Overcast at 2:00 PM
67° 2:00 PM
Overcast at 3:00 PM
68° 3:00 PM
Overcast at 4:00 PM
68° Sunday 4:00 PM
Overcast at 5:00 PM
70° 5:00 PM
Overcast at 6:00 PM
68° 6:00 PM
Overcast at 7:00 PM
66° 7:00 PM
Overcast night at 8:00 PM
64° Sunday 8:00 PM
Mostly cloudy night at 9:00 PM
62° 9:00 PM
Partly cloudy night at 10:00 PM
62° 10:00 PM
Partly cloudy night at 11:00 PM
61° 11:00 PM
Partly cloudy night at 12:00 AM
60° Monday 12:00 AM
Mostly cloudy night at 1:00 AM
60° 1:00 AM
Mostly cloudy night at 2:00 AM
60° 2:00 AM
Overcast night at 3:00 AM
59° 3:00 AM
Overcast night at 4:00 AM
59° Monday 4:00 AM
Mostly cloudy night at 5:00 AM
59° 5:00 AM
Mostly cloudy night at 6:00 AM
59° 6:00 AM
Mostly cloudy at 7:00 AM
59° 7:00 AM
Mostly cloudy at 8:00 AM
62° Monday 8:00 AM
Partly cloudy at 9:00 AM
66° 9:00 AM
Mostly cloudy at 10:00 AM
70° 10:00 AM
Mostly cloudy at 11:00 AM
72° 11:00 AM
Overcast at 12:00 PM
72° Monday 12:00 PM
Overcast at 1:00 PM
69° 1:00 PM
Overcast at 2:00 PM
67° 2:00 PM
Overcast at 3:00 PM
68° 3:00 PM
Overcast at 4:00 PM
73° Monday 4:00 PM
Overcast at 5:00 PM
73° 5:00 PM
Overcast at 6:00 PM
72° 6:00 PM
Overcast at 7:00 PM
70° 7:00 PM
Overcast night at 8:00 PM
68° Monday 8:00 PM
Overcast night at 9:00 PM
67° 9:00 PM
Light rain at 10:00 PM
65° 10:00 PM
Moderate rain at 11:00 PM
64° 11:00 PM
Moderate rain at 12:00 AM
64° Tuesday 12:00 AM
Light rain at 1:00 AM
64° 1:00 AM
Light rain at 2:00 AM
64° 2:00 AM
Light rain at 3:00 AM
63° 3:00 AM
Overcast night at 4:00 AM
63° Tuesday 4:00 AM
Overcast night at 5:00 AM
62° 5:00 AM
Overcast night at 6:00 AM
61° 6:00 AM
Overcast at 7:00 AM
61° 7:00 AM
Overcast at 8:00 AM
62° Tuesday 8:00 AM
Overcast at 9:00 AM
62° 9:00 AM
Overcast at 10:00 AM
64° 10:00 AM
Overcast at 11:00 AM
68° 11:00 AM
Overcast at 12:00 PM
72° Tuesday 12:00 PM
Overcast at 1:00 PM
75° 1:00 PM
Overcast at 2:00 PM
78° 2:00 PM
Overcast at 3:00 PM
78° 3:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for East Gwillimbury

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 4:00 PM
PM2.5 Fine particles Good 2,5µg/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 2,9µg/m³

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

O₃ Ozone Fair 72,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 East Gwillimbury

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 6,0High 🙂Fair
Tomorrow UV 7,0High 🙂Fair
Sunday UV 6,0High 😐Moderate
Monday UV 6,0High 😐Moderate
Tuesday UV 7,0High 🙂Fair
Wednesday UV 6,0High Unavailable
Thursday UV 6,0High Unavailable
Hourly UV index today
4:00 PMUV 6,0 5:00 PMUV 6,0 6:00 PMUV 6,0 7:00 PMUV 6,0
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 East Gwillimbury

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Sunday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Sunday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Sunday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Sunday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Sunday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Sunday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Monday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Monday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Monday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Monday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Monday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Monday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tuesday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tuesday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tuesday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tuesday 12:00 PM 1:00 PM 2:00 PM 3:00 PM
Sustained wind Max gusts
Internal PR simulation: 4.60 Population: 34,637

Forecast data for East Gwillimbury were last refreshed today at 3:37 PM. The current forecast period extends through 30/08/2026 at 1:00 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.