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Now · 3:39 p.m.

Mayfair Weather & Hourly Forecast

Canada · Ontario

Mostly cloudy
21°C
Mostly cloudy
Feels like: 18°C
💧 Humidity 48% 🌡 Pressure 1020 hPa 💨 Wind 14 km/h 👁 Visibility 46.9 km ☁ Clouds 73% ☀️ UV index 3.1 · Moderate 🌅 Sunrise 7:16 a.m. 🌇 Sunset 7:18 p.m.

Hourly Forecast for Mayfair

Today
Mostly cloudy · 4:00 p.m. Mostly cloudy
21° 💧 0 mm 💨 14 km/h 48%1020 hPa
Sunny · 7:00 p.m. Sunny
16° 💧 0 mm 💨 15 km/h 75%1019 hPa
Partly cloudy night · 10:00 p.m. Partly cloudy night
13° 💧 0 mm 💨 13 km/h 81%1020 hPa
Tomorrow
Mostly clear night · 1:00 a.m. Mostly clear night
12° 💧 0 mm 💨 11 km/h 77%1019 hPa
Clear night · 4:00 a.m. Clear night
10° 💧 0 mm 💨 11 km/h 85%1018 hPa
Clear night · 7:00 a.m. Clear night
10° 💧 0 mm 💨 10 km/h 84%1018 hPa
Sunny · 10:00 a.m. Sunny
15° 💧 0 mm 💨 11 km/h 73%1018 hPa
Sunny · 1:00 p.m. Sunny
21° 💧 0 mm 💨 15 km/h 51%1016 hPa
Sunny · 4:00 p.m. Sunny
21° 💧 0 mm 💨 20 km/h 53%1014 hPa
Sunny · 7:00 p.m. Sunny
16° 💧 0 mm 💨 17 km/h 81%1015 hPa
Clear night · 10:00 p.m. Clear night
14° 💧 0 mm 💨 13 km/h 81%1015 hPa
Monday
Clear night · 1:00 a.m. Clear night
12° 💧 0 mm 💨 11 km/h 89%1015 hPa
Clear night · 4:00 a.m. Clear night
11° 💧 0 mm 💨 8 km/h 94%1015 hPa
Clear night · 7:00 a.m. Clear night
10° 💧 0 mm 💨 8 km/h 94%1016 hPa
Sunny · 10:00 a.m. Sunny
16° 💧 0 mm 💨 8 km/h 78%1017 hPa
Sunny · 1:00 p.m. Sunny
20° 💧 0 mm 💨 12 km/h 59%1016 hPa

15-Day Weather Outlook for Mayfair

TomorrowTomorrow Mostly cloudy Mostly cloudy 22°/10° 💧 0 mm 💨 21 km/h
Monday 28 SeptemberMon 28 Sep. Mostly sunny Mostly sunny 22°/10° 💧 0 mm 💨 16 km/h
Tuesday 29 SeptemberTue 29 Sep. Mostly cloudy Mostly cloudy 22°/10° 💧 0 mm 💨 11 km/h
Wednesday 30 SeptemberWed 30 Sep. Light rain Light rain 19°/16° 💧 4.5 mm 💨 18 km/h
Thursday 1 OctoberThu 1 Oct. Overcast Overcast 23°/16° 💧 0.2 mm 💨 15 km/h
Friday 2 OctoberFri 2 Oct. Overcast Overcast 23°/15° 💧 0.0 mm 💨 10 km/h
Saturday 3 OctoberSat 3 Oct. Moderate rain Moderate rain 18°/14° 💧 21 mm 💨 24 km/h
Sunday 4 OctoberSun 4 Oct. Light rain Light rain 14°/11° 💧 26 mm 💨 26 km/h
Monday 5 OctoberMon 5 Oct. Mostly sunny Mostly sunny 15°/8° 💧 0.2 mm 💨 14 km/h
Tuesday 6 OctoberTue 6 Oct. Mostly sunny Mostly sunny 15°/5° 💧 0 mm 💨 12 km/h
Wednesday 7 OctoberWed 7 Oct. Moderate rain Moderate rain 18°/9° 💧 3.8 mm 💨 30 km/h
Thursday 8 OctoberThu 8 Oct. Light rain Light rain 12°/8° 💧 8.8 mm 💨 21 km/h
Friday 9 OctoberFri 9 Oct. Mostly cloudy Mostly cloudy 9°/8° 💧 0.4 mm 💨 24 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mayfair

Vertical axis: °C · Horizontal axis: hours · Color based on temperature
Mostly cloudy · 4:00 p.m.
21° Today 4:00 p.m.
Sunny · 5:00 p.m.
20° 5:00 p.m.
Sunny · 6:00 p.m.
18° 6:00 p.m.
Sunny · 7:00 p.m.
16° 7:00 p.m.
Clear night · 8:00 p.m.
14° Today 8:00 p.m.
Partly cloudy night · 9:00 p.m.
14° 9:00 p.m.
Partly cloudy night · 10:00 p.m.
13° 10:00 p.m.
Mostly cloudy night · 11:00 p.m.
13° 11:00 p.m.
Mostly cloudy night · 12:00 a.m.
12° Tomorrow 12:00 a.m.
Mostly clear night · 1:00 a.m.
12° 1:00 a.m.
Mostly clear night · 2:00 a.m.
11° 2:00 a.m.
Partly cloudy night · 3:00 a.m.
11° 3:00 a.m.
Clear night · 4:00 a.m.
10° Tomorrow 4:00 a.m.
Clear night · 5:00 a.m.
10° 5:00 a.m.
Clear night · 6:00 a.m.
10° 6:00 a.m.
Clear night · 7:00 a.m.
10° 7:00 a.m.
Sunny · 8:00 a.m.
10° Tomorrow 8:00 a.m.
Sunny · 9:00 a.m.
12° 9:00 a.m.
Sunny · 10:00 a.m.
15° 10:00 a.m.
Sunny · 11:00 a.m.
17° 11:00 a.m.
Sunny · 12:00 p.m.
19° Tomorrow 12:00 p.m.
Sunny · 1:00 p.m.
21° 1:00 p.m.
Sunny · 2:00 p.m.
21° 2:00 p.m.
Sunny · 3:00 p.m.
22° 3:00 p.m.
Sunny · 4:00 p.m.
21° Tomorrow 4:00 p.m.
Sunny · 5:00 p.m.
20° 5:00 p.m.
Sunny · 6:00 p.m.
19° 6:00 p.m.
Sunny · 7:00 p.m.
16° 7:00 p.m.
Clear night · 8:00 p.m.
15° Tomorrow 8:00 p.m.
Clear night · 9:00 p.m.
14° 9:00 p.m.
Clear night · 10:00 p.m.
14° 10:00 p.m.
Clear night · 11:00 p.m.
13° 11:00 p.m.
Clear night · 12:00 a.m.
13° Monday 12:00 a.m.
Clear night · 1:00 a.m.
12° 1:00 a.m.
Clear night · 2:00 a.m.
12° 2:00 a.m.
Clear night · 3:00 a.m.
11° 3:00 a.m.
Clear night · 4:00 a.m.
11° Monday 4:00 a.m.
Clear night · 5:00 a.m.
11° 5:00 a.m.
Clear night · 6:00 a.m.
10° 6:00 a.m.
Clear night · 7:00 a.m.
10° 7:00 a.m.
Mostly sunny · 8:00 a.m.
11° Monday 8:00 a.m.
Sunny · 9:00 a.m.
13° 9:00 a.m.
Sunny · 10:00 a.m.
16° 10:00 a.m.
Sunny · 11:00 a.m.
18° 11:00 a.m.
Sunny · 12:00 p.m.
19° Monday 12:00 p.m.
Sunny · 1:00 p.m.
20° 1:00 p.m.
Sunny · 2:00 p.m.
21° 2:00 p.m.
Overcast · 3:00 p.m.
22° 3:00 p.m.
Overcast · 4:00 p.m.
21° Monday 4:00 p.m.
Sunny · 5:00 p.m.
20° 5:00 p.m.
Mostly sunny · 6:00 p.m.
19° 6:00 p.m.
Sunny · 7:00 p.m.
17° 7:00 p.m.
Clear night · 8:00 p.m.
15° Monday 8:00 p.m.
Clear night · 9:00 p.m.
15° 9:00 p.m.
Clear night · 10:00 p.m.
14° 10:00 p.m.
Clear night · 11:00 p.m.
13° 11:00 p.m.
Clear night · 12:00 a.m.
13° Tuesday 12:00 a.m.
Clear night · 1:00 a.m.
12° 1:00 a.m.
Clear night · 2:00 a.m.
12° 2:00 a.m.
Clear night · 3:00 a.m.
11° 3:00 a.m.
Clear night · 4:00 a.m.
11° Tuesday 4:00 a.m.
Clear night · 5:00 a.m.
11° 5:00 a.m.
Clear night · 6:00 a.m.
10° 6:00 a.m.
Clear night · 7:00 a.m.
10° 7:00 a.m.
Sunny · 8:00 a.m.
10° Tuesday 8:00 a.m.
Sunny · 11:00 a.m.
19° 11:00 a.m.
Mostly cloudy · 2:00 p.m.
22° 2:00 p.m.
Partly cloudy · 5:00 p.m.
22° 5:00 p.m.
Clear night · 8:00 p.m.
17° Tuesday 8:00 p.m.
Overcast night · 11:00 p.m.
16° 11:00 p.m.
Overcast night · 2:00 a.m.
16° 2:00 a.m.
Overcast night · 5:00 a.m.
17° 5:00 a.m.
Overcast · 8:00 a.m.
17° Wednesday 8:00 a.m.
Light rain · 2:00 p.m.
19° 2:00 p.m.
Overcast night · 8:00 p.m.
18° 8:00 p.m.
Overcast night · 2:00 a.m.
18° 2:00 a.m.
Overcast · 8:00 a.m.
16° Thursday 8:00 a.m.
Mostly sunny · 2:00 p.m.
23° 2:00 p.m.
Partly cloudy night · 8:00 p.m.
18° 8:00 p.m.
Overcast night · 2:00 a.m.
15° 2:00 a.m.
Overcast · 8:00 a.m.
15° Friday 8:00 a.m.
Overcast · 2:00 p.m.
23° 2:00 p.m.
Overcast night · 8:00 p.m.
20° 8:00 p.m.
Moderate rain · 2:00 a.m.
18° 2:00 a.m.
Moderate rain · 8:00 a.m.
16° Saturday 8:00 a.m.
Light rain · 2:00 p.m.
17° 2:00 p.m.
Moderate rain · 8:00 p.m.
14° 8:00 p.m.
Light rain · 2:00 a.m.
12° 2:00 a.m.
Light rain · 8:00 a.m.
11° Sunday 8:00 a.m.
Mostly cloudy · 2:00 p.m.
14° 2:00 p.m.
Mostly clear night · 8:00 p.m.
11° 8:00 p.m.
Mostly clear night · 2:00 a.m.
8° 2:00 a.m.
Sunny · 8:00 a.m.
8° Monday 8:00 a.m.
Sunny · 2:00 p.m.
15° 2:00 p.m.
Clear night · 8:00 p.m.
10° 8:00 p.m.
Mostly clear night · 2:00 a.m.
6° 2:00 a.m.
Sunny · 8:00 a.m.
5° Tuesday 8:00 a.m.
Partly cloudy · 2:00 p.m.
15° 2:00 p.m.
Mostly clear night · 8:00 p.m.
11° 8:00 p.m.
Overcast night · 2:00 a.m.
9° 2:00 a.m.
Overcast · 8:00 a.m.
13° Wednesday 8:00 a.m.
Overcast · 2:00 p.m.
18° 2:00 p.m.
Moderate rain · 8:00 p.m.
14° 8:00 p.m.
Overcast night · 2:00 a.m.
12° 2:00 a.m.
Mostly sunny · 8:00 a.m.
8° Thursday 8:00 a.m.
Light rain · 2:00 p.m.
11° 2:00 p.m.
Overcast night · 8:00 p.m.
9° 8:00 p.m.
Mostly cloudy night · 2:00 a.m.
9° 2:00 a.m.
Partly cloudy · 8:00 a.m.
8° Friday 8:00 a.m.

AIR QUALITY FORECAST

Air Quality Forecast for Mayfair

Hourly forecast · Updated every 2 hours
Moderate
Nearest forecast value 4:00 p.m.
PM2.5 PM2.5 Good 2,9µg/m³

Air quality is favorable for outdoor activities.

PM10 PM10 Good 3,2µg/m³

Air quality is favorable for outdoor activities.

O₃ O₃ Moderate 102,5µg/m³

Sensitive people should reduce strenuous and prolonged outdoor exertion.

NO₂ NO₂ Good 1,5µg/m³

Air quality is favorable for outdoor activities.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

HEALTH & EXPOSURE

UV, Sun & Health Outlook in Mayfair

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 4,0Moderate 🙂Fair
Tomorrow UV 4,0Moderate 🙂Fair
Tuesday UV 0,1Low 😐Moderate
Hourly UV index today
4:00 p.m.UV 3,1 5:00 p.m.UV 2,3 6:00 p.m.UV 1,3 7:00 p.m.UV 0,4
Hourly UV index tomorrow
7:00 a.m.UV 0,0 8:00 a.m.UV 0,1 9:00 a.m.UV 0,8 10:00 a.m.UV 1,7 11:00 a.m.UV 2,7 12:00 p.m.UV 3,4 1:00 p.m.UV 3,9 2:00 p.m.UV 4,0 3:00 p.m.UV 3,7 4:00 p.m.UV 3,1 5:00 p.m.UV 2,3 6:00 p.m.UV 1,3 7:00 p.m.UV 0,4
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Mayfair

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 4:00 p.m. 5:00 p.m. 6:00 p.m. 7:00 p.m. Today 8:00 p.m. 9:00 p.m. 10:00 p.m. 11:00 p.m. Tomorrow 12:00 a.m. 1:00 a.m. 2:00 a.m. 3:00 a.m. Tomorrow 4:00 a.m. 5:00 a.m. 6:00 a.m. 7:00 a.m. Tomorrow 8:00 a.m. 9:00 a.m. 10:00 a.m. 11:00 a.m. Tomorrow 12:00 p.m. 1:00 p.m. 2:00 p.m. 3:00 p.m. Tomorrow 4:00 p.m. 5:00 p.m. 6:00 p.m. 7:00 p.m. Tomorrow 8:00 p.m. 9:00 p.m. 10:00 p.m. 11:00 p.m. Monday 12:00 a.m. 1:00 a.m. 2:00 a.m. 3:00 a.m. Monday 4:00 a.m. 5:00 a.m. 6:00 a.m. 7:00 a.m. Monday 8:00 a.m. 9:00 a.m. 10:00 a.m. 11:00 a.m. Monday 12:00 p.m. 1:00 p.m. 2:00 p.m. 3:00 p.m. Monday 4:00 p.m. 5:00 p.m. 6:00 p.m. 7:00 p.m. Monday 8:00 p.m. 9:00 p.m. 10:00 p.m. 11:00 p.m. Tuesday 12:00 a.m. 1:00 a.m. 2:00 a.m. 3:00 a.m. Tuesday 4:00 a.m. 5:00 a.m. 6:00 a.m. 7:00 a.m. Tuesday 8:00 a.m. 11:00 a.m. 2:00 p.m. 5:00 p.m. Tuesday 8:00 p.m. 11:00 p.m. 2:00 a.m. 5:00 a.m. Wednesday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Thursday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Friday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Saturday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Sunday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Monday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Tuesday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Wednesday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Thursday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Friday 8:00 a.m.
Sustained wind Max gusts

The technical data used to calculate this forecast for Mayfair were updated today at 3:39 p.m.. The displayed forecasts cover the period through 28/09/2026 at 1:00 p.m.. Weather and air-quality data provided by WEATHER-INFO.COM. UV-index data derived from ECMWF UVB by WEATHER PORTAL. Weather information is generated automatically and periodically reviewed by our technical team.

NIGHT SKY · MAYFAIR, ONTARIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

93/100Best-hour score
BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 8:51 PM–5:45 AM
☁ Cloud cover 0% Real hourly forecast for the best viewing hour.
☾ Moonlight 99% Full Moon · Moon about 23° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 56° high at the best hour.
✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min40%
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.