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Canada › Ontario › Union

Union, ON Weather

Current weather

3:00 AM
55°F
Clear
High 72° · Low 55° · 13%
Wind
N 3 mph
Wind gusts
19 mph
Humidity
78%
Air quality (AQHI)
1.5 · Low risk
UV index
0 · Low
More details
Dew point
48°F
Pressure
30.12 inHg ↘ falling
Visibility
6 mi
Sunrise
6:55 AM
Sunset
6:54 PM
Daylight
11 h 59 min
Observed at Grenadier Island, 3:00 AM EDT · Environment and Climate Change Canada

Hourly forecast

Hourly →
  • Now51°14%
  • 4 AM45°0%
  • 5 AM45°0%
  • 6 AM46°0%
  • 7 AM46°0%
  • 8 AM48°0%
  • 9 AM54°0%
  • 10 AM61°0%
  • 11 AM66°0%
  • 12 PM68°0%
  • 1 PM68°0%
  • 2 PM70°0%
  • 3 PM70°0%
  • 4 PM72°0%
  • 5 PM72°0%
  • 6 PM68°0%
  • 7 PM66°0%
  • 8 PM63°0%
  • 9 PM63°0%
  • 10 PM61°0%
  • 11 PM61°0%
  • Sun
  • 12 AM61°0%
  • 1 AM59°0%
  • 2 AM59°0%

14-day forecast

Full 14-day →
TodaySep 2672°55°A mix of sun and cloudPartly cloudy13%

Day

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

Wind
NE 9 mph
Precipitation
13% · 0 in
UV index (max)
5 Moderate
Air quality (AQHI)
2 · Low risk

Night

Partly cloudy. Low 13.

Low
55°
Wind
NE 9 mph
Sunrise6:55 AM
Sunset6:54 PM
Daylight11 h 59 min
Normal63° / 46°
SunSep 2768°54°CloudyChance of showers30%

Day

Cloudy. High 20.

Precipitation
30% · 0.08 in
UV index (max)
3 Moderate

Night

Cloudy with 30 percent chance of showers. Low 12.

Low
54°
Precipitation
30%
Sunrise6:57 AM
Sunset6:52 PM
Daylight11 h 55 min
MonSep 2868°48°CloudyCloudy16%

Day

Cloudy. High 20.

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

Night

Cloudy. Low 9.

Low
48°
Sunrise6:58 AM
Sunset6:50 PM
Daylight11 h 52 min
TueSep 2968°50°A mix of sun and cloudCloudy periods27%

Day

A mix of sun and cloud. High 20.

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

Night

Cloudy periods. Low 10.

Low
50°
Sunrise6:59 AM
Sunset6:48 PM
Daylight11 h 49 min
WedSep 3073°57°A mix of sun and cloudChance of showers30%

Day

A mix of sun and cloud. High 23.

Precipitation
30% · 0.26 in
UV index (max)
4 Moderate

Night

Cloudy with 30 percent chance of showers. Low 14.

Low
57°
Precipitation
30%
Sunrise7:00 AM
Sunset6:46 PM
Daylight11 h 45 min
ThuOct 166°60°Chance of showers60%

Day

Cloudy with 60 percent chance of showers. High 19.

Precipitation
60% · 0.01 in
UV index (max)
4 Moderate

Night

Low 60.

Low
60°
Sunrise7:02 AM
Sunset6:44 PM
Daylight11 h 42 min
FriOct 278°62°Mostly cloudyNight low 62°21%

Day

Mostly cloudy. High 78.

Wind
SW 15 mph
Wind gusts
25 mph
Precipitation
21% · 0 in
UV index (max)
6 High

Night

Low 62.

Low
62°
Sunrise7:03 AM
Sunset6:43 PM
Daylight11 h 39 min
SourceExtended outlook
Days 8–14 · trend, lower confidence
SatOct 376°67°Mostly cloudyNight low 67°63%

Day

Mostly cloudy. High 76.

Wind
SW 12 mph
Wind gusts
26 mph
Precipitation
63% · 0.04 in
UV index (max)
6 High

Night

Low 67.

Low
67°
Sunrise7:04 AM
Sunset6:41 PM
Daylight11 h 36 min
SourceExtended outlook
SunOct 477°65°FogNight low 65°75%

Day

Fog. High 77.

Wind
SW 8 mph
Wind gusts
16 mph
Precipitation
75% · 0.15 in
UV index (max)
6 High

Night

Low 65.

Low
65°
Sunrise7:05 AM
Sunset6:39 PM
Daylight11 h 33 min
SourceExtended outlook
MonOct 572°52°ShowersNight low 52°91%

Day

Showers. High 72.

Wind
NE 17 mph
Wind gusts
34 mph
Precipitation
91% · 1.10 in
UV index (max)
3 Moderate

Night

Low 52.

Low
52°
Sunrise7:06 AM
Sunset6:37 PM
Daylight11 h 30 min
SourceExtended outlook
TueOct 654°41°ShowersNight low 41°70%

Day

Showers. High 54.

Wind
W 23 mph
Wind gusts
32 mph
Precipitation
70% · 0.08 in
UV index (max)
3 Moderate

Night

Low 41.

Low
41°
Sunrise7:08 AM
Sunset6:35 PM
Daylight11 h 27 min
SourceExtended outlook
WedOct 748°37°Mostly cloudyNight low 37°11%

Day

Mostly cloudy. High 48.

Wind
W 20 mph
Wind gusts
27 mph
Precipitation
11% · 0 in
UV index (max)
3 Moderate

Night

Low 37.

Low
37°
Sunrise7:09 AM
Sunset6:34 PM
Daylight11 h 24 min
SourceExtended outlook
ThuOct 846°35°Mostly cloudyNight low 35°8%

Day

Mostly cloudy. High 46.

Wind
NW 11 mph
Wind gusts
20 mph
Precipitation
8% · 0 in
UV index (max)
3 Moderate

Night

Low 35.

Low
35°
Sunrise7:10 AM
Sunset6:32 PM
Daylight11 h 21 min
SourceExtended outlook
FriOct 950°30°Mostly cloudyNight low 30°46%

Day

Mostly cloudy. High 50.

Wind
NE 12 mph
Wind gusts
24 mph
Precipitation
46% · 0.03 in
UV index (max)
3 Moderate

Night

Low 30.

Low
30°
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
High26°29°39°53°66°74°79°77°69°56°44°32°
Low8°9°20°34°46°55°60°59°51°40°31°18°
Precip2.80 in2.64 in2.44 in3.11 in3.19 in3.27 in3.07 in3.50 in4.06 in3.46 in3.70 in2.99 in
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 318 ft · Time zone America/Toronto