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Canada › Ontario › Ancaster

Ancaster, ON Weather

Current weather

8:00 PM
13°C
Mostly Cloudy
High 17° · Low 9° · 40%
Wind
SW 17 km/h
Wind gusts
31 km/h
Humidity
74%
Air quality (AQHI)
1.8 · Low risk
UV index
0 · Low
More details
Dew point
8°C
Pressure
101.0 kPa ↗ rising
Visibility
10 km
Sunrise
7:00 AM
Sunset
5:06 PM
Daylight
10 h 6 min
Observed at Hamilton Munro Int'l Airport, 8:00 PM EST · Environment and Climate Change Canada

Hourly forecast

Hourly →
  • Now14°15%
  • 10 PM12°40%
  • 11 PM12°40%
  • Fri
  • 12 AM11°40%
  • 1 AM11°40%
  • 2 AM11°40%
  • 3 AM11°40%
  • 4 AM11°40%
  • 5 AM10°40%
  • 6 AM10°80%
  • 7 AM9°80%
  • 8 AM10°80%
  • 9 AM10°80%
  • 10 AM11°80%
  • 11 AM11°80%
  • 12 PM12°0%
  • 1 PM12°0%
  • 2 PM12°0%
  • 3 PM12°0%
  • 4 PM12°0%
  • 5 PM11°0%
  • 6 PM9°60%
  • 7 PM8°60%
  • 8 PM8°60%

14-day forecast

Full 14-day →
TonightNov 517°9°ShowersChance of showers40%

Day

Wind
SW 30 km/h
Wind gusts
50 km/h
Precipitation
40% · 1 mm
UV index (max)
2 Low
Air quality (AQHI)
2 · Low risk

Night

Becoming cloudy this evening with 40 percent chance of showers this evening and overnight. Wind southwest 30 km/h gusting to 50 becoming light late this evening. Low 9.

Low
9°
Wind
SW 30 km/h
Precipitation
40%
Sunrise7:00 AM
Sunset5:06 PM
Daylight10 h 6 min
Normal9° / 1°
FriNov 612°4°A few showersChance of showers60%

Day

A few showers ending near noon then cloudy. High 12. UV index 2 or low.

Wind
SW 15 km/h
Precipitation
60% · 1 mm
UV index (max)
2 Low
Air quality (AQHI)
2 · Low risk

Night

Cloudy with 60 percent chance of showers. Wind southwest 20 km/h becoming light near midnight. Low plus 4.

Low
4°
Wind
SW 20 km/h
Precipitation
60%
Sunrise7:00 AM
Sunset5:07 PM
Daylight10 h 6 min
SatNov 78°5°Chance of showersChance of showers40%

Day

Cloudy with 40 percent chance of showers. High 8.

Precipitation
40% · 0.2 mm
UV index (max)
1 Low

Night

Cloudy periods with 30 percent chance of showers. Low plus 5.

Low
5°
Precipitation
30%
Sunrise7:01 AM
Sunset5:05 PM
Daylight10 h 4 min
SunNov 810°5°A mix of sun and cloudChance of showers40%

Day

A mix of sun and cloud. Windy. High 10.

Wind
W 30 km/h
Wind gusts
50 km/h
Precipitation
40% · 0.1 mm
UV index (max)
2 Low

Night

Cloudy periods with 40 percent chance of showers. Low plus 5.

Low
5°
Precipitation
40%
Sunrise7:02 AM
Sunset5:04 PM
Daylight10 h 1 min
MonNov 910°8°A mix of sun and cloudCloudy periods15%

Day

A mix of sun and cloud. High 10.

Precipitation
15% · 0 mm
UV index (max)
3 Moderate

Night

Cloudy periods. Low 8.

Low
8°
Sunrise7:03 AM
Sunset5:03 PM
Daylight9 h 59 min
TueNov 1011°4°Chance of showersChance of showers30%

Day

A mix of sun and cloud with 30 percent chance of showers. High 11.

Precipitation
30% · 0 mm
UV index (max)
4 Moderate

Night

Cloudy periods with 30 percent chance of showers. Low plus 4.

Low
4°
Precipitation
30%
Sunrise7:05 AM
Sunset5:02 PM
Daylight9 h 57 min
WedNov 117°5°A mix of sun and cloud58%

Day

A mix of sun and cloud. High 7.

Precipitation
58% · 0.8 mm
UV index (max)
3 Moderate

Night

Low 5.

Low
5°
Sunrise7:06 AM
Sunset5:01 PM
Daylight9 h 54 min
Days 8–14 · trend, lower confidence
ThuNov 127°1°ShowersNight low 1°85%

Day

Showers. High 7.

Wind
NE 19 km/h
Wind gusts
34 km/h
Precipitation
85% · 3 cm snow
UV index (max)
2 Low

Night

Low 1.

Low
1°
Sunrise7:07 AM
Sunset5:00 PM
Daylight9 h 52 min
SourceExtended outlook
FriNov 134°0°Mostly cloudyNight low 0°78%

Day

Mostly cloudy. High 4.

Wind
N 19 km/h
Wind gusts
34 km/h
Precipitation
78% · 6 cm snow
UV index (max)
1 Low

Night

Low 0.

Low
0°
Sunrise7:09 AM
Sunset4:59 PM
Daylight9 h 50 min
SourceExtended outlook
SatNov 144°-1°Mostly cloudyNight low -1°19%

Day

Mostly cloudy. High 4.

Wind
N 7 km/h
Wind gusts
20 km/h
Precipitation
19% · 0.1 mm
UV index (max)
1 Low

Night

Low -1.

Low
-1°
Sunrise7:10 AM
Sunset4:58 PM
Daylight9 h 48 min
SourceExtended outlook
SunNov 158°2°Partly cloudyNight low 2°12%

Day

Partly cloudy. High 8.

Wind
W 16 km/h
Wind gusts
32 km/h
Precipitation
12% · 0 mm
UV index (max)
3 Moderate

Night

Low 2.

Low
2°
Sunrise7:11 AM
Sunset4:57 PM
Daylight9 h 45 min
SourceExtended outlook
MonNov 167°3°Partly cloudyNight low 3°13%

Day

Partly cloudy. High 7.

Wind
NW 19 km/h
Wind gusts
39 km/h
Precipitation
13% · 0 mm
UV index (max)
2 Low

Night

Low 3.

Low
3°
Sunrise7:12 AM
Sunset4:56 PM
Daylight9 h 43 min
SourceExtended outlook
TueNov 177°1°SunnyNight low 1°11%

Day

Sunny. High 7.

Wind
NW 13 km/h
Wind gusts
26 km/h
Precipitation
11% · 0 mm
UV index (max)
3 Moderate

Night

Low 1.

Low
1°
Sunrise7:14 AM
Sunset4:55 PM
Daylight9 h 41 min
SourceExtended outlook
WedNov 1811°2°Mostly cloudyNight low 2°20%

Day

Mostly cloudy. High 11.

Wind
SW 18 km/h
Wind gusts
37 km/h
Precipitation
20% · 0 mm
UV index (max)
3 Moderate

Night

Low 2.

Low
2°
Sunrise7:15 AM
Sunset4:54 PM
Daylight9 h 39 min
SourceExtended outlook
Sunrise7:00 AM
Sunset5:06 PM
Daylight10 h 6 min
MoonWaning Crescent10% lit · rise 3:08 AM · set 3:10 PM

Pollen today · Ancaster

TreesNonenone in the air
GrassNonenone in the air
WeedsLow<1 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: weeds low
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.

Climate · monthly normals

Full climate →
MonthJanFebMarAprMayJunJulAugSepOctNovDec
High-2°-1°4°12°19°24°27°25°21°14°8°1°
Low-9°-9°-5°2°7°13°15°15°10°5°0°-6°
Precip64 mm58 mm68 mm79 mm79 mm85 mm101 mm79 mm82 mm77 mm84 mm73 mm
ECCC

Activities today

Derived from the forecast
Laundry dayPoorLine-drying weather
GrillingFairFire up the grill
RunningFairLace up outside
PatioPoorDinner outdoors
Forecast: Environment and Climate Change Canada (City of Hamilton), issued 3:30 PM · Days 8–14: WeatherAPI.com · weather.gc.ca · 43.2181°N, 79.9872°W · Elevation 253 m · Population 40,557 · Time zone America/Toronto