Ancaster

Hamilton, Ontario, Canada

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

17°

Overcast

Feels Like: 10°

Min: 17°

Max: 26°

The next few hours will be overcast, with today reaching 25°C and dropping to 12°C. The coming days will be drizzle

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

17° 17° 18° 18° 19° 19° 20° 21° 24° 25° 23° 25° 25° 25° 25° 24° 25° 26° 26° 24° 21° 18° 16° 15°
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
Today
Tomorrow

Daylight Hours

06:59

Sunrise

19:34

Sunset

12 hours 34 minutes of sunlight today

Moon

Waning Crescent

04:57

Moonrise

18:59

Moonset

Daily Forecast

Today

17°
26°

Thursday

11°
27°

Friday

11°
24°

Saturday

11°
21°

Sunday

13°

Monday

16°

Tuesday

20°

Wednesday

20°

Thursday

11°
18°

Friday

15°
28°

Air Quality Data Available

Upgrade to access real-time air quality data for Ancaster.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

93% Very Humid
Low High

Weather in Ancaster today, September 09, 2026

Cloud cover dominates in Ancaster on September 09, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 02:00. Outdoor plans early on should not rely on bright skies.

The temperature range runs from about 17°C up to 26°C. Relative humidity sits between 21% and 96%, reaching its peak around 04:00. Winds stay light, near 7.3 km/h by 16:00, so the day feels still more than breezy.

Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.2 km, briefly nearer 12.8 km. Expect sunrise at 06:59, sunset at 19:34, and 12 hours 34 minutes of sunlight today overall.

Taken together, overcast skies in Ancaster on September 09, 2026 favour indoor or covered options, with temperatures near 26°C.

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)