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Canada › Ontario › Grimsby

Grimsby, ON Weather

Current weather

1:00 PM
64°F
Sunny
High 64° · Low 50° · 70%
Wind
SW 14 mph
Wind gusts
24 mph
Humidity
62%
Air quality (AQHI)
1.6 · Low risk
UV index
2 · Low
More details
Dew point
50°F
Pressure
29.71 inHg ↘ falling
Visibility
6 mi
Sunrise
6:58 AM
Sunset
5:05 PM
Daylight
10 h 7 min
Observed at Vineland Station, 1:00 PM EST · Environment and Climate Change Canada

Hourly forecast

Hourly →
  • Now61°6%
  • 2 PM63°0%
  • 3 PM61°40%
  • 4 PM59°40%
  • 5 PM59°40%
  • 6 PM59°60%
  • 7 PM59°60%
  • 8 PM57°60%
  • 9 PM57°60%
  • 10 PM55°60%
  • 11 PM55°60%
  • Fri
  • 12 AM55°60%
  • 1 AM55°60%
  • 2 AM55°60%
  • 3 AM54°60%
  • 4 AM54°70%
  • 5 AM52°70%
  • 6 AM52°70%
  • 7 AM50°70%
  • 8 AM50°70%
  • 9 AM52°70%
  • 10 AM52°70%
  • 11 AM52°70%
  • 12 PM54°70%

14-day forecast

Full 14-day →
TodayNov 564°50°Chance of showersChance of showers70%

Day

Becoming cloudy this afternoon with 40 percent chance of showers late this afternoon. Wind southwest 40 km/h gusting to 60. High 18. UV index 3 or moderate.

Wind
SW 25 mph
Wind gusts
37 mph
Precipitation
40% · 0.07 in
UV index (max)
3 Moderate
Air quality (AQHI)
2 · Low risk

Night

Cloudy with 70 percent chance of showers. Wind west 30 km/h becoming light late this evening. Low 10.

Low
50°
Wind
W 19 mph
Precipitation
70%
Sunrise6:58 AM
Sunset5:05 PM
Daylight10 h 7 min
Normal50° / 37°
FriNov 655°43°Periods of rainChance of showers60%

Day

Periods of rain. High 13. UV index 1 or low.

Wind
SW 6 mph
Precipitation
60% · 0.16 in
UV index (max)
1 Low
Air quality (AQHI)
2 · Low risk

Night

Cloudy with 60 percent chance of showers. Low 6.

Low
43°
Precipitation
60%
Sunrise6:58 AM
Sunset5:05 PM
Daylight10 h 6 min
SatNov 746°43°Chance of showersChance of showers40%

Day

Cloudy with 40 percent chance of showers. High 8.

Precipitation
40% · 0.27 in
UV index (max)
1 Low

Night

Cloudy with 30 percent chance of showers. Low 6.

Low
43°
Precipitation
30%
Sunrise6:59 AM
Sunset5:04 PM
Daylight10 h 4 min
SunNov 850°43°A mix of sun and cloudChance of showers40%

Day

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

Wind
W 19 mph
Wind gusts
31 mph
Precipitation
40% · 0 in
UV index (max)
2 Low

Night

Cloudy periods with 40 percent chance of showers. Low 6.

Low
43°
Precipitation
40%
Sunrise7:00 AM
Sunset5:03 PM
Daylight10 h 2 min
MonNov 950°46°A mix of sun and cloudCloudy periods10%

Day

A mix of sun and cloud. High 10.

Precipitation
10% · 0 in
UV index (max)
4 Moderate

Night

Cloudy periods. Low 8.

Low
46°
Sunrise7:02 AM
Sunset5:01 PM
Daylight9 h 59 min
TueNov 1054°41°Chance of showersChance of showers30%

Day

A mix of sun and cloud with 30 percent chance of showers. High 12.

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

Night

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

Low
41°
Precipitation
30%
Sunrise7:03 AM
Sunset5:00 PM
Daylight9 h 57 min
WedNov 1146°43°A mix of sun and cloud53%

Day

A mix of sun and cloud. High 8.

Precipitation
53% · 0.03 in
UV index (max)
3 Moderate

Night

Low 43.

Low
43°
Sunrise7:04 AM
Sunset4:59 PM
Daylight9 h 54 min
Days 8–14 · trend, lower confidence
ThuNov 1244°40°DrizzleNight low 40°84%

Day

Drizzle. High 44.

Wind
N 15 mph
Wind gusts
26 mph
Precipitation
84% · 0.28 in
UV index (max)
2 Low

Night

Low 40.

Low
40°
Sunrise7:06 AM
Sunset4:58 PM
Daylight9 h 52 min
SourceExtended outlook
FriNov 1341°38°Heavy snowNight low 38°86%

Day

Heavy snow. High 41.

Wind
N 20 mph
Wind gusts
30 mph
Precipitation
86% · 0.43 in
UV index (max)
1 Low

Night

Low 38.

Low
38°
Sunrise7:07 AM
Sunset4:57 PM
Daylight9 h 50 min
SourceExtended outlook
SatNov 1445°37°Mostly cloudyNight low 37°13%

Day

Mostly cloudy. High 45.

Wind
NW 12 mph
Wind gusts
21 mph
Precipitation
13% · 0 in
UV index (max)
2 Low

Night

Low 37.

Low
37°
Sunrise7:08 AM
Sunset4:56 PM
Daylight9 h 48 min
SourceExtended outlook
SunNov 1551°42°Partly cloudyNight low 42°13%

Day

Partly cloudy. High 51.

Wind
SW 17 mph
Wind gusts
26 mph
Precipitation
13% · 0 in
UV index (max)
4 Moderate

Night

Low 42.

Low
42°
Sunrise7:09 AM
Sunset4:55 PM
Daylight9 h 45 min
SourceExtended outlook
MonNov 1651°44°Partly cloudyNight low 44°8%

Day

Partly cloudy. High 51.

Wind
W 16 mph
Wind gusts
31 mph
Precipitation
8% · 0 in
UV index (max)
4 Moderate

Night

Low 44.

Low
44°
Sunrise7:11 AM
Sunset4:54 PM
Daylight9 h 43 min
SourceExtended outlook
TueNov 1750°43°SunnyNight low 43°6%

Day

Sunny. High 50.

Wind
W 11 mph
Wind gusts
26 mph
Precipitation
6% · 0 in
UV index (max)
4 Moderate

Night

Low 43.

Low
43°
Sunrise7:12 AM
Sunset4:54 PM
Daylight9 h 41 min
SourceExtended outlook
WedNov 1853°44°Mostly cloudyNight low 44°18%

Day

Mostly cloudy. High 53.

Wind
SW 9 mph
Wind gusts
19 mph
Precipitation
18% · 0 in
UV index (max)
3 Moderate

Night

Low 44.

Low
44°
Sunrise7:13 AM
Sunset4:53 PM
Daylight9 h 39 min
SourceExtended outlook

Sun & Moon

Moon calendar →
Sunrise6:58 AM
Sunset5:05 PM
Daylight10 h 7 min
MoonWaning Crescent12% lit · rise 3:06 AM · set 3:08 PM

Pollen today · Grimsby

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
High32°34°41°54°66°75°80°78°71°59°47°37°
Low19°21°27°37°47°57°63°62°55°44°35°25°
Precip2.52 in2.24 in2.56 in2.91 in2.99 in3.19 in3.35 in2.95 in3.31 in2.91 in3.39 in2.76 in
ECCC

Activities today

Derived from the forecast
Laundry dayPoorLine-drying weather
GrillingPoorFire up the grill
RunningPoorLace up outside
PatioPoorDinner outdoors
Forecast: Environment and Climate Change Canada (St. Catharines - Grimsby - Northern Niagara Region), issued 11:00 AM · Days 8–14: WeatherAPI.com · weather.gc.ca · 43.2001°N, 79.5663°W · Elevation 289 ft · Population 27,314 · Time zone America/Toronto