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Canada › Ontario › Union

Union, ON Weather

Current weather

4:00 AM
12°C
Clear
High 22° · Low 13° · 13%
Wind
N 6 km/h
Wind gusts
31 km/h
Humidity
78%
Air quality (AQHI)
1.5 · Low risk
UV index
0 · Low
More details
Dew point
8°C
Pressure
102.0 kPa ↘ falling
Visibility
10 km
Sunrise
6:55 AM
Sunset
6:54 PM
Daylight
11 h 59 min
Observed at Grenadier Island, 4:00 AM EDT · Environment and Climate Change Canada

Hourly forecast

Hourly →
  • Now10°15%
  • 5 AM7°0%
  • 6 AM8°0%
  • 7 AM8°0%
  • 8 AM9°0%
  • 9 AM12°0%
  • 10 AM16°0%
  • 11 AM19°0%
  • 12 PM20°0%
  • 1 PM20°0%
  • 2 PM21°0%
  • 3 PM21°0%
  • 4 PM22°0%
  • 5 PM22°0%
  • 6 PM20°0%
  • 7 PM19°0%
  • 8 PM17°0%
  • 9 PM17°0%
  • 10 PM16°0%
  • 11 PM16°0%
  • Sun
  • 12 AM16°0%
  • 1 AM15°0%
  • 2 AM15°0%
  • 3 AM15°0%

14-day forecast

Full 14-day →
TodaySep 2622°13°A mix of sun and cloudPartly cloudy13%

Day

A mix of sun and cloud. High 22. UV index 5 or moderate.

Wind
NE 15 km/h
Precipitation
13% · 0 mm
UV index (max)
5 Moderate
Air quality (AQHI)
2 · Low risk

Night

Partly cloudy. Low 13.

Low
13°
Wind
NE 15 km/h
Sunrise6:55 AM
Sunset6:54 PM
Daylight11 h 59 min
Normal17° / 8°
SunSep 2720°12°CloudyChance of showers30%

Day

Cloudy. High 20.

Precipitation
30% · 2 mm
UV index (max)
3 Moderate

Night

Cloudy with 30 percent chance of showers. Low 12.

Low
12°
Precipitation
30%
Sunrise6:57 AM
Sunset6:52 PM
Daylight11 h 55 min
MonSep 2820°9°CloudyCloudy16%

Day

Cloudy. High 20.

Precipitation
16% · 0 mm
UV index (max)
3 Low

Night

Cloudy. Low 9.

Low
9°
Sunrise6:58 AM
Sunset6:50 PM
Daylight11 h 52 min
TueSep 2920°10°A mix of sun and cloudCloudy periods27%

Day

A mix of sun and cloud. High 20.

Precipitation
27% · 0 mm
UV index (max)
3 Low

Night

Cloudy periods. Low 10.

Low
10°
Sunrise6:59 AM
Sunset6:48 PM
Daylight11 h 49 min
WedSep 3023°14°A mix of sun and cloudChance of showers30%

Day

A mix of sun and cloud. High 23.

Precipitation
30% · 7 mm
UV index (max)
4 Moderate

Night

Cloudy with 30 percent chance of showers. Low 14.

Low
14°
Precipitation
30%
Sunrise7:00 AM
Sunset6:46 PM
Daylight11 h 45 min
ThuOct 119°16°Chance of showers60%

Day

Cloudy with 60 percent chance of showers. High 19.

Precipitation
60% · 0.3 mm
UV index (max)
4 Moderate

Night

Low 16.

Low
16°
Sunrise7:02 AM
Sunset6:44 PM
Daylight11 h 42 min
FriOct 226°17°Mostly cloudyNight low 17°21%

Day

Mostly cloudy. High 26.

Wind
SW 24 km/h
Wind gusts
40 km/h
Precipitation
21% · 0 mm
UV index (max)
6 High

Night

Low 17.

Low
17°
Sunrise7:03 AM
Sunset6:43 PM
Daylight11 h 39 min
SourceExtended outlook
Days 8–14 · trend, lower confidence
SatOct 325°20°Mostly cloudyNight low 20°63%

Day

Mostly cloudy. High 25.

Wind
SW 19 km/h
Wind gusts
41 km/h
Precipitation
63% · 1.0 mm
UV index (max)
6 High

Night

Low 20.

Low
20°
Sunrise7:04 AM
Sunset6:41 PM
Daylight11 h 36 min
SourceExtended outlook
SunOct 425°19°FogNight low 19°75%

Day

Fog. High 25.

Wind
SW 13 km/h
Wind gusts
25 km/h
Precipitation
75% · 4 mm
UV index (max)
6 High

Night

Low 19.

Low
19°
Sunrise7:05 AM
Sunset6:39 PM
Daylight11 h 33 min
SourceExtended outlook
MonOct 522°11°ShowersNight low 11°91%

Day

Showers. High 22.

Wind
NE 27 km/h
Wind gusts
54 km/h
Precipitation
91% · 28 mm
UV index (max)
3 Moderate

Night

Low 11.

Low
11°
Sunrise7:06 AM
Sunset6:37 PM
Daylight11 h 30 min
SourceExtended outlook
TueOct 612°5°ShowersNight low 5°70%

Day

Showers. High 12.

Wind
W 37 km/h
Wind gusts
51 km/h
Precipitation
70% · 2 mm
UV index (max)
3 Moderate

Night

Low 5.

Low
5°
Sunrise7:08 AM
Sunset6:35 PM
Daylight11 h 27 min
SourceExtended outlook
WedOct 79°3°Mostly cloudyNight low 3°11%

Day

Mostly cloudy. High 9.

Wind
W 32 km/h
Wind gusts
44 km/h
Precipitation
11% · 0 mm
UV index (max)
3 Moderate

Night

Low 3.

Low
3°
Sunrise7:09 AM
Sunset6:34 PM
Daylight11 h 24 min
SourceExtended outlook
ThuOct 88°2°Mostly cloudyNight low 2°8%

Day

Mostly cloudy. High 8.

Wind
NW 18 km/h
Wind gusts
32 km/h
Precipitation
8% · 0 mm
UV index (max)
3 Moderate

Night

Low 2.

Low
2°
Sunrise7:10 AM
Sunset6:32 PM
Daylight11 h 21 min
SourceExtended outlook
FriOct 910°-1°Mostly cloudyNight low -1°46%

Day

Mostly cloudy. High 10.

Wind
NE 19 km/h
Wind gusts
39 km/h
Precipitation
46% · 0.8 mm
UV index (max)
3 Moderate

Night

Low -1.

Low
-1°
Sunrise7:11 AM
Sunset6:30 PM
Daylight11 h 18 min
SourceExtended outlook
Sunrise6:55 AM
Sunset6:54 PM
Daylight11 h 59 min
MoonFull Moon100% lit · rise 6:39 PM · set 6:48 AM

Pollen today · Union

TreesNonenone in the air
GrassLow<1 grains/m³
WeedsModerate44 grains/m³ · Ragweed
Sun: weeds moderate · Mon: weeds moderate · Tue: weeds moderate
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-4°-2°4°12°19°24°26°25°21°13°7°0°
Low-13°-13°-7°1°8°13°16°15°11°5°-1°-8°
Precip71 mm67 mm62 mm79 mm81 mm83 mm78 mm89 mm103 mm88 mm94 mm76 mm
ECCC

Activities today

Derived from the forecast
Laundry dayGreatLine-drying weather
GrillingGreatFire up the grill
RunningGreatLace up outside
PatioGreatDinner outdoors
Forecast: Environment and Climate Change Canada (Gananoque - Mallorytown), issued 3:30 PM · Days 8–14: WeatherAPI.com · weather.gc.ca · 44.4339°N, 75.9847°W · Elevation 97 m · Time zone America/Toronto