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Weather in Thornhill

Ontario, 175 m · continuously updated

–^°C

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Thornhill weather: the next 24 hours

Updated hourly.

Thornhill 14-day forecast

Two-week trend.

Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Thornhill

Neighbouring towns, as the crow flies.

Concord5 km Willowdale6 km Richmond Hill6 km Vaughan6 km Toronto12 km Markham14 km King City15 km Aurora21 km

7-day forecast for Thornhill

Today (Thursday 15 Oct) in Thornhill: overcast, 9 to 11 °C, precipitation 0.0 mm (34 %), wind up to 17 km/h. Tomorrow: light rain, 4 to 18 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	overcast	9 °C	11 °C	0.0 mm	17 km/h
Tomorrow	light rain	4 °C	18 °C	4.0 mm	27 km/h
Sat 17 Oct	overcast	1 °C	9 °C	0.0 mm	24 km/h
Sun 18 Oct	overcast	5 °C	16 °C	0.0 mm	23 km/h
Mon 19 Oct	overcast	9 °C	19 °C	0.0 mm	20 km/h
Tue 20 Oct	overcast	10 °C	18 °C	0.0 mm	13 km/h
Wed 21 Oct	partly cloudy	6 °C	15 °C	0.0 mm	12 km/h

Forecast updated on 15.10.2026 at 11:44 (Open-Meteo model, elevation 175 m). The live block at the top of the page is refreshed hourly and covers 14 days.

Tomorrow's weather in Thornhill

Tomorrow, Friday 16 Oct, in Thornhill: light rain, from 4 to 18 °C, 4.0 mm of precipitation (probability 74 %), wind up to 27 km/h.

Hour	Weather	Temp.	Precip.	Chance	Wind
00:00	overcast	11 °C	0.0 mm	50 %	16 km/h
03:00	fog	12 °C	0.0 mm	74 %	13 km/h
06:00	light drizzle	12 °C	0.4 mm	37 %	6 km/h
09:00	overcast	18 °C	0.0 mm	20 %	18 km/h
12:00	overcast	13 °C	0.0 mm	6 %	24 km/h
15:00	overcast	9 °C	0.0 mm	3 %	25 km/h
18:00	sunny	7 °C	0.0 mm	2 %	22 km/h
21:00	sunny	5 °C	0.0 mm	1 %	13 km/h

Frequently asked questions

Will it rain tomorrow in Thornhill?

Yes: 4.0 mm expected, probability 74 %.

How warm will it be tomorrow in Thornhill?

Between 4 and 18 °C.

The weekend

This weekend in Thornhill: Saturday overcast, 1 to 9 °C, Sunday overcast, 5 to 16 °C.

Day	Weather	Min	Max	Precip.	Wind
Sat 17 Oct	overcast	1 °C	9 °C	0.0 mm	24 km/h
Sun 18 Oct	overcast	5 °C	16 °C	0.0 mm	23 km/h

Hour by hour

The next 48 hours in Thornhill, hour by hour: temperature from 1 to 18 °C, 4.0 mm of rain expected.

Hour	Weather	Temp.	Precip.	Chance	Wind
11:00	overcast	9 °C	0.0 mm	0 %	14 km/h
12:00	overcast	10 °C	0.0 mm	0 %	13 km/h
13:00	overcast	10 °C	0.0 mm	0 %	13 km/h
14:00	overcast	10 °C	0.0 mm	0 %	15 km/h
15:00	overcast	11 °C	0.0 mm	0 %	16 km/h
16:00	overcast	11 °C	0.0 mm	0 %	17 km/h
17:00	overcast	10 °C	0.0 mm	0 %	17 km/h
18:00	overcast	10 °C	0.0 mm	1 %	14 km/h
19:00	overcast	9 °C	0.0 mm	5 %	16 km/h
20:00	overcast	10 °C	0.0 mm	9 %	15 km/h
21:00	overcast	10 °C	0.0 mm	8 %	14 km/h
22:00	overcast	10 °C	0.0 mm	16 %	14 km/h
23:00	overcast	11 °C	0.0 mm	34 %	16 km/h
00:00	overcast	11 °C	0.0 mm	50 %	16 km/h
01:00	light rain	11 °C	1.8 mm	62 %	16 km/h
02:00	light rain	11 °C	1.4 mm	70 %	12 km/h
03:00	fog	12 °C	0.0 mm	74 %	13 km/h
04:00	light drizzle	12 °C	0.4 mm	73 %	9 km/h
05:00	overcast	12 °C	0.0 mm	55 %	4 km/h
06:00	light drizzle	12 °C	0.4 mm	37 %	6 km/h
07:00	overcast	14 °C	0.0 mm	17 %	8 km/h
08:00	overcast	15 °C	0.0 mm	13 %	12 km/h
09:00	overcast	18 °C	0.0 mm	20 %	18 km/h
10:00	overcast	17 °C	0.0 mm	14 %	22 km/h
11:00	overcast	16 °C	0.0 mm	11 %	25 km/h
12:00	overcast	13 °C	0.0 mm	6 %	24 km/h
13:00	overcast	11 °C	0.0 mm	4 %	20 km/h
14:00	overcast	10 °C	0.0 mm	5 %	23 km/h
15:00	overcast	9 °C	0.0 mm	3 %	25 km/h
16:00	overcast	9 °C	0.0 mm	2 %	27 km/h
17:00	overcast	8 °C	0.0 mm	3 %	26 km/h
18:00	sunny	7 °C	0.0 mm	2 %	22 km/h
19:00	sunny	6 °C	0.0 mm	2 %	19 km/h
20:00	mostly sunny	5 °C	0.0 mm	2 %	15 km/h
21:00	sunny	5 °C	0.0 mm	1 %	13 km/h
22:00	mostly sunny	5 °C	0.0 mm	2 %	19 km/h
23:00	mostly sunny	4 °C	0.0 mm	1 %	19 km/h
00:00	mostly sunny	3 °C	0.0 mm	1 %	24 km/h
01:00	partly cloudy	3 °C	0.0 mm	1 %	22 km/h
02:00	sunny	2 °C	0.0 mm	1 %	18 km/h
03:00	sunny	2 °C	0.0 mm	1 %	20 km/h
04:00	sunny	1 °C	0.0 mm	1 %	17 km/h
05:00	sunny	1 °C	0.0 mm	1 %	14 km/h
06:00	overcast	1 °C	0.0 mm	1 %	16 km/h
07:00	overcast	1 °C	0.0 mm	1 %	16 km/h
08:00	overcast	1 °C	0.0 mm	1 %	16 km/h
09:00	sunny	1 °C	0.0 mm	0 %	19 km/h
10:00	sunny	2 °C	0.0 mm	0 %	18 km/h

Location of Thornhill

Thornhill lies at 175 m, 29 m below the average of the 187 places we cover in Ontario (204 m). That makes it the 65th lowest of the 187. The main town, Toronto, lies 12 km to the south. The nearest places we cover are Concord (5 km to the west), Willowdale (6 km to the south), Richmond Hill (6 km to the north) and Vaughan (6 km to the west). With about 115,292 inhabitants according to GeoNames, Thornhill is the 29th largest of the 187 places we cover in Ontario.