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Weather in Ancaster

Ontario, 253 m · continuously updated

–^°C

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

Temperature · last 4 and next 28 hours

Ancaster weather: the next 24 hours

Updated hourly.

Ancaster 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 Ancaster

Neighbouring towns, as the crow flies.

Hamilton12 km Waterdown15 km Stoney Creek18 km Burlington22 km Brantford25 km Cambridge31 km Brant31 km Paris32 km

7-day forecast for Ancaster

Today (Thursday 15 Oct) in Ancaster: overcast, 9 to 11 °C, precipitation 0.0 mm (41 %), wind up to 18 km/h. Tomorrow: rain, 5 to 18 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	overcast	9 °C	11 °C	0.0 mm	18 km/h
Tomorrow	rain	5 °C	18 °C	11.3 mm	32 km/h
Sat 17 Oct	snow	1 °C	9 °C	1.1 mm	21 km/h
Sun 18 Oct	mostly sunny	2 °C	15 °C	0.0 mm	32 km/h
Mon 19 Oct	overcast	7 °C	19 °C	0.0 mm	27 km/h
Tue 20 Oct	overcast	8 °C	18 °C	0.0 mm	12 km/h
Wed 21 Oct	overcast	6 °C	14 °C	0.0 mm	19 km/h

Forecast updated on 15.10.2026 at 11:44 (Open-Meteo model, elevation 253 m). The live block at the top of the page is refreshed hourly and covers 14 days.

Tomorrow's weather in Ancaster

Tomorrow, Friday 16 Oct, in Ancaster: rain, from 5 to 18 °C, 11.3 mm of precipitation (probability 65 %), wind up to 32 km/h.

Hour	Weather	Temp.	Precip.	Chance	Wind
00:00	heavy drizzle	10 °C	1.1 mm	47 %	11 km/h
03:00	rain	11 °C	4.3 mm	65 %	7 km/h
06:00	overcast	18 °C	0.0 mm	19 %	29 km/h
09:00	overcast	18 °C	0.0 mm	33 %	30 km/h
12:00	overcast	16 °C	0.0 mm	14 %	32 km/h
15:00	overcast	11 °C	0.0 mm	2 %	22 km/h
18:00	overcast	8 °C	0.0 mm	5 %	20 km/h
21:00	overcast	6 °C	0.0 mm	1 %	16 km/h

Frequently asked questions

Will it rain tomorrow in Ancaster?

Yes: 11.3 mm expected, probability 65 %.

How warm will it be tomorrow in Ancaster?

Between 5 and 18 °C.

The weekend

This weekend in Ancaster: Saturday snow, 1 to 9 °C, Sunday mostly sunny, 2 to 15 °C.

Day	Weather	Min	Max	Precip.	Wind
Sat 17 Oct	snow	1 °C	9 °C	1.1 mm	21 km/h
Sun 18 Oct	mostly sunny	2 °C	15 °C	0.0 mm	32 km/h

Hour by hour

The next 48 hours in Ancaster, hour by hour: temperature from 1 to 18 °C, 12.4 mm of rain expected.

Hour	Weather	Temp.	Precip.	Chance	Wind
11:00	overcast	9 °C	0.0 mm	5 %	13 km/h
12:00	overcast	10 °C	0.0 mm	3 %	15 km/h
13:00	overcast	10 °C	0.0 mm	0 %	15 km/h
14:00	partly cloudy	11 °C	0.0 mm	0 %	14 km/h
15:00	overcast	11 °C	0.0 mm	0 %	16 km/h
16:00	overcast	11 °C	0.0 mm	0 %	18 km/h
17:00	overcast	10 °C	0.0 mm	2 %	18 km/h
18:00	overcast	10 °C	0.0 mm	4 %	16 km/h
19:00	overcast	10 °C	0.0 mm	6 %	17 km/h
20:00	overcast	10 °C	0.0 mm	7 %	18 km/h
21:00	overcast	10 °C	0.0 mm	16 %	17 km/h
22:00	overcast	10 °C	0.0 mm	24 %	18 km/h
23:00	overcast	10 °C	0.0 mm	41 %	15 km/h
00:00	heavy drizzle	10 °C	1.1 mm	47 %	11 km/h
01:00	light drizzle	10 °C	0.4 mm	46 %	8 km/h
02:00	rain	10 °C	4.0 mm	48 %	8 km/h
03:00	rain	11 °C	4.3 mm	65 %	7 km/h
04:00	drizzle	13 °C	0.7 mm	49 %	17 km/h
05:00	overcast	16 °C	0.0 mm	34 %	28 km/h
06:00	overcast	18 °C	0.0 mm	19 %	29 km/h
07:00	overcast	18 °C	0.0 mm	20 %	25 km/h
08:00	light drizzle	18 °C	0.4 mm	24 %	24 km/h
09:00	overcast	18 °C	0.0 mm	33 %	30 km/h
10:00	overcast	16 °C	0.0 mm	25 %	31 km/h
11:00	overcast	15 °C	0.0 mm	17 %	27 km/h
12:00	overcast	16 °C	0.0 mm	14 %	32 km/h
13:00	overcast	15 °C	0.0 mm	3 %	28 km/h
14:00	overcast	11 °C	0.0 mm	2 %	23 km/h
15:00	overcast	11 °C	0.0 mm	2 %	22 km/h
16:00	overcast	11 °C	0.0 mm	3 %	21 km/h
17:00	overcast	9 °C	0.0 mm	2 %	24 km/h
18:00	overcast	8 °C	0.0 mm	5 %	20 km/h
19:00	overcast	8 °C	0.0 mm	2 %	19 km/h
20:00	overcast	7 °C	0.0 mm	1 %	18 km/h
21:00	overcast	6 °C	0.0 mm	1 %	16 km/h
22:00	light drizzle	6 °C	0.4 mm	2 %	16 km/h
23:00	overcast	5 °C	0.0 mm	3 %	15 km/h
00:00	overcast	5 °C	0.0 mm	3 %	19 km/h
01:00	overcast	4 °C	0.0 mm	3 %	21 km/h
02:00	mostly sunny	3 °C	0.0 mm	3 %	14 km/h
03:00	snow	2 °C	1.1 mm	3 %	15 km/h
04:00	overcast	2 °C	0.0 mm	3 %	10 km/h
05:00	overcast	2 °C	0.0 mm	3 %	17 km/h
06:00	overcast	2 °C	0.0 mm	3 %	16 km/h
07:00	sunny	1 °C	0.0 mm	3 %	15 km/h
08:00	sunny	1 °C	0.0 mm	3 %	14 km/h
09:00	sunny	2 °C	0.0 mm	0 %	17 km/h
10:00	sunny	3 °C	0.0 mm	0 %	18 km/h

Location of Ancaster

Ancaster lies at 253 m, 49 m above the average of the 187 places we cover in Ontario (204 m). That makes it the 54th highest of the 187. The main town, Toronto, lies 72 km to the north-east. The nearest places we cover are Hamilton (12 km to the east), Waterdown (15 km to the north-east), Stoney Creek (18 km to the east) and Burlington (22 km to the north-east). With about 40,557 inhabitants according to GeoNames, Ancaster is the 57th largest of the 187 places we cover in Ontario.