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Canada › Ontario › Harriston

Harriston, ON Weather

Current weather

10:00 AM
12°C
Overcast
High 13° · Low 8° · 40%
Wind
SW 17 km/h
Wind gusts
30 km/h
Humidity
84%
UV index
0 · Low
More details
Dew point
10°C
Pressure
100.6 kPa ↗ rising
Visibility
10 km
Sunrise
7:05 AM
Sunset
5:08 PM
Daylight
10 h 3 min
Observed at Mount Forest, 10:00 AM EST · Environment and Climate Change Canada

Hourly forecast

Hourly →
  • Now13°24%
  • 11 AM12°20%
  • 12 PM13°20%
  • 1 PM13°80%
  • 2 PM13°80%
  • 3 PM12°80%
  • 4 PM12°80%
  • 5 PM11°80%
  • 6 PM11°40%
  • 7 PM10°40%
  • 8 PM10°40%
  • 9 PM10°40%
  • 10 PM10°40%
  • 11 PM10°40%
  • Fri
  • 12 AM9°40%
  • 1 AM9°40%
  • 2 AM9°40%
  • 3 AM9°40%
  • 4 AM9°90%
  • 5 AM9°90%
  • 6 AM8°90%
  • 7 AM8°90%
  • 8 AM8°90%
  • 9 AM8°90%

14-day forecast

Full 14-day →
TodayNov 513°8°RainChance of showers40%

Day

Cloudy. Rain beginning early this afternoon. Wind becoming southwest 30 km/h this morning. High 13. UV index 2 or low.

Wind
SW 30 km/h
Precipitation
40% · 1 mm
UV index (max)
2 Low

Night

Cloudy with 40 percent chance of showers. Periods of rain beginning before morning. Wind southwest 30 km/h becoming light late this evening. Low 8.

Low
8°
Wind
SW 30 km/h
Precipitation
40%
Sunrise7:05 AM
Sunset5:08 PM
Daylight10 h 3 min
Normal8° / 0°
FriNov 610°-1°Periods of rainChance of showers40%

Day

Periods of rain. High 10. UV index 1 or low.

Wind
SW 15 km/h
Precipitation
40% · 7 mm
UV index (max)
1 Low

Night

Cloudy with 40 percent chance of showers. Low minus 1.

Low
-1°
Precipitation
40%
Sunrise7:05 AM
Sunset5:09 PM
Daylight10 h 3 min
SatNov 78°3°CloudyCloudy91%

Day

Cloudy. High 8.

Precipitation
91% · 6 mm
UV index (max)
0 Low

Night

Cloudy. Low plus 3.

Low
3°
Sunrise7:06 AM
Sunset5:07 PM
Daylight10 h 1 min
SunNov 87°3°CloudyCloudy54%

Day

Cloudy. High 7.

Precipitation
54% · 0.6 mm
UV index (max)
2 Low

Night

Cloudy. Low plus 3.

Low
3°
Sunrise7:07 AM
Sunset5:06 PM
Daylight9 h 58 min
MonNov 99°5°CloudyCloudy28%

Day

Cloudy. High 9.

Precipitation
28% · 0.1 mm
UV index (max)
3 Moderate

Night

Cloudy. Low plus 5.

Low
5°
Sunrise7:09 AM
Sunset5:05 PM
Daylight9 h 56 min
TueNov 1010°3°CloudyCloudy57%

Day

Cloudy. High 10.

Precipitation
57% · 0.8 mm
UV index (max)
3 Moderate

Night

Cloudy. Low plus 3.

Low
3°
Sunrise7:10 AM
Sunset5:04 PM
Daylight9 h 53 min
WedNov 119°3°Cloudy68%

Day

Cloudy. High 9.

Precipitation
68% · 1 mm
UV index (max)
2 Low

Night

Low 3.

Low
3°
Sunrise7:11 AM
Sunset5:03 PM
Daylight9 h 51 min
Days 8–14 · trend, lower confidence
ThuNov 125°1°SnowNight low 1°73%

Day

Snow. High 5.

Wind
N 19 km/h
Wind gusts
39 km/h
Precipitation
73% · 1.0 cm snow
UV index (max)
1 Low

Night

Low 1.

Low
1°
Sunrise7:13 AM
Sunset5:02 PM
Daylight9 h 49 min
SourceExtended outlook
FriNov 134°0°Mostly cloudyNight low 0°31%

Day

Mostly cloudy. High 4.

Wind
N 19 km/h
Wind gusts
40 km/h
Precipitation
31% · 0.1 mm
UV index (max)
1 Low

Night

Low 0.

Low
0°
Sunrise7:14 AM
Sunset5:01 PM
Daylight9 h 46 min
SourceExtended outlook
SatNov 147°2°Mostly cloudyNight low 2°19%

Day

Mostly cloudy. High 7.

Wind
W 22 km/h
Wind gusts
41 km/h
Precipitation
19% · 0 mm
UV index (max)
2 Low

Night

Low 2.

Low
2°
Sunrise7:15 AM
Sunset5:00 PM
Daylight9 h 44 min
SourceExtended outlook
SunNov 158°4°Partly cloudyNight low 4°30%

Day

Partly cloudy. High 8.

Wind
NW 18 km/h
Wind gusts
38 km/h
Precipitation
30% · 0.1 mm
UV index (max)
2 Low

Night

Low 4.

Low
4°
Sunrise7:16 AM
Sunset4:59 PM
Daylight9 h 42 min
SourceExtended outlook
MonNov 169°4°Mostly cloudyNight low 4°70%

Day

Mostly cloudy. High 9.

Wind
SE 12 km/h
Wind gusts
27 km/h
Precipitation
70% · 2 mm
UV index (max)
2 Low

Night

Low 4.

Low
4°
Sunrise7:18 AM
Sunset4:58 PM
Daylight9 h 40 min
SourceExtended outlook
TueNov 1710°3°ShowersNight low 3°69%

Day

Showers. High 10.

Wind
S 14 km/h
Wind gusts
43 km/h
Precipitation
69% · 2 mm
UV index (max)
2 Low

Night

Low 3.

Low
3°
Sunrise7:19 AM
Sunset4:57 PM
Daylight9 h 37 min
SourceExtended outlook
WedNov 1812°7°ShowersNight low 7°73%

Day

Showers. High 12.

Wind
SW 18 km/h
Wind gusts
48 km/h
Precipitation
73% · 3 mm
UV index (max)
3 Moderate

Night

Low 7.

Low
7°
Sunrise7:20 AM
Sunset4:56 PM
Daylight9 h 35 min
SourceExtended outlook
Sunrise7:05 AM
Sunset5:08 PM
Daylight10 h 3 min
MoonWaning Crescent13% lit · rise 3:12 AM · set 3:13 PM

Pollen today · Harriston

TreesNonenone in the air
GrassLow<1 grains/m³
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-3°-1°3°11°18°24°26°25°21°14°6°0°
Low-11°-11°-7°0°5°11°13°12°9°3°-1°-7°
Precip110 mm81 mm72 mm73 mm85 mm78 mm83 mm95 mm109 mm90 mm103 mm108 mm
ECCC

Activities today

Derived from the forecast
Laundry dayPoorLine-drying weather
GrillingPoorFire up the grill
RunningFairLace up outside
PatioPoorDinner outdoors
Forecast: Environment and Climate Change Canada (Mount Forest - Arthur - Northern Wellington County), issued 5:00 AM · Days 8–14: WeatherAPI.com · weather.gc.ca · 43.9120°N, 80.8720°W · Elevation 384 m · Population 1,797 · Time zone America/Toronto