5-day weather forecast Toronto Oct 23, 2026

13°7° · Sunny

Weather forecast Toronto tomorrow Oct 23, 2026: sunny, temperature from 7 °C to 13 °C.

Precipitation probability 14%. Wind up to 3.69 m/s (gusts 8 m/s). Air humidity 39–71%, atmospheric pressure 770–774 mm Hg, UV index up to 2.7.

Weather Alerts

ModerateOct 22, 10:19 AM — Oct 23, 02:19 AMTranslate with Google

yellow advisory - frost - in effect

frost

Patchy frost is possible overnight into Friday morning, particularly for areas well inland from Lake Ontario. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.

Take preventative measures to protect cold-sensitive plants, trees, and crops. Cover up plants, especially those in frost-prone areas.

ModerateOct 22, 03:41 PM — Oct 23, 07:41 AMTranslate with Google

yellow advisory - frost - in effect

frost

Take preventative measures to protect cold-sensitive plants, trees, and crops. Cover up plants, especially those in frost-prone areas.

5 days at a glance — tap a day to open it

Sunrise 07:41
Sunset 18:21

Full Moon97% illuminated
Moonrise 17:00 · Moonset 04:55

Chart

Table

← Thu, Oct 22

Fri, Oct 23, 2026

Sat, Oct 24 →

Forecast from 7 °C to 13 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	11	11	9	10	9	8	9	8	7	8	10	10	12	12	12	13	12	11	11	10	9	9	9	8
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	0	0	1	0	0	9	1	5	20	5	10	87	100	100	92	99	100	79	95	2	39	0	0	16
Rain chance (%)	4	4	5	2	2	6	3	3	8	5	4	14	12	11	13	10	10	10	10	2	8	3	3	7

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	2.89	2.69	3.61	2.39	2.39	3.11	1.89	1.89	3	2.89	3.11	3.61	3.69	3.31	3.61	3.31	3	3	2.5	2	2.19	1.61	1.61	2.31
Wind gust (m/s)	8	7.89	7.56	6.69	6.22	6.08	4.42	4.42	6.03	5.33	4.72	6.36	4.42	3.72	6.39	3.81	3.53	5.47	3.69	4.42	4.42	4.92	4.5	4.97
Wind direction (°)	NE 34°	NE 45°	NE 55°	ENE 60°	ENE 65°	NE 56°	ENE 58°	ENE 65°	ENE 60°	E 83°	E 92°	E 85°	ESE 103°	ESE 103°	E 95°	ESE 107°	ESE 108°	E 92°	ESE 107°	ESE 111°	ENE 76°	E 84°	E 80°	E 88°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	64	61	67	52	52	68	53	56	71	66	62	65	52	47	57	39	39	56	45	50	65	54	55	70

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	770	770	770	771	771	771	772	773	773	773	773	773	774	774	773	773	773	773	773	773	773	774	774	774

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	0	0.2	0.8	1.6	2.3	2.7	2.6	1.9	1.2	0.5	0	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	4.7	4.2	3.5	3	2.7	2.6	2.7	3	4.4	6.8	5.6	4.8	3.8	3.3	3.1	3	3.1	3.4	4.1	6.4	7.9	8.1	7.7	7.3
PM10 (µg/m³)	4.9	4.3	3.6	3.1	2.9	2.8	2.9	3.2	4.7	7.1	6	5.3	4.3	3.8	3.6	3.5	3.5	3.7	4.5	6.8	8.2	8.4	8.1	7.7
Ozone (O₃) (µg/m³)	45	44	44	44	44	43	39	33	31	34	40	46	53	60	64	65	64	59	49	35	26	24	25	28
NO₂ (µg/m³)	19.2	16.6	14.4	12.9	11.8	12.2	15.4	19.9	22.6	21.6	18.6	15.7	13.2	10.7	9.5	9.4	10.4	14.1	22.9	34.4	42.3	44	42.2	38.6
SO₂ (µg/m³)	5.5	4.9	4.4	4.2	4.2	4.4	5.1	6	6.9	7.7	8.3	8.5	7.8	6.6	5.8	5.7	6.1	6.7	7.8	9.3	10.3	10.8	10.9	10.5
CO (µg/m³)	247	195	155	133	123	127	152	190	219	231	235	228	204	171	149	135	132	170	292	455	556	545	472	391

← Thu, Oct 22

Fri, Oct 23, 2026

Sat, Oct 24 →

Toronto on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

Learn more about our methodology →