St. Catharines, ON - Extended Weather Forecast

10:00 Monday
Snow
Snow with cloudy skies
-5° Feels like -12°
30% 0.1 in
  • Monday 22 Dec. Snow with cloudy skies 50% 0.5 mm -3° / -7° Moderate west wind 16 - 36 km/h
  • Tuesday 23 Dec. Overcast / -9° Strong southwest wind 21 - 54 km/h
  • Wednesday 24 Dec. Partly cloudy / -4° Moderate east wind 18 - 39 km/h
  • Thursday 25 Dec. Overcast 10° / -5° Strong southwest wind 34 - 59 km/h
  • Friday 26 Dec. Scattered clouds 10° / -1° Strong northwest wind 24 - 58 km/h
  • Saturday 27 Dec. Scattered clouds / -1° Strong southwest wind 27 - 52 km/h
  • Sunday 28 Dec. Partly cloudy / -1° Strong west wind 27 - 52 km/h
Monday, 22 December
Tuesday, 23 December
01:00 Overcast -5° Overcast
Feels Like -11°
Moderate west wind West 16 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.39 in
  • Feels Like Feels Like -11 °C
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1028 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Visibility Visibility 45 km
04:00 Overcast -5° Overcast
Feels Like -10°
Moderate west wind West 14 - 34 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 76%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.39 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1029 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Visibility Visibility 25 km
07:00 Overcast -5° Overcast
Feels Like -8°
Moderate west wind West 10 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point -8 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.39 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1029 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Visibility Visibility 5 km
10:00 Snow with cloudy skies 30% 0.08 in -4° Snow
Feels Like -6°
Moderate north wind North 5 - 30 km/h
UV Index 0 Low SPF: no
  • Snow Snow 30% 0.08 in
  • Humidity Humidity 82%
  • Dew Point Dew Point -7 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -6 °C
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1030 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 30 km/h
  • Visibility Visibility 9 km
13:00 Snow with cloudy skies 30% 0.12 in -4° Snow
Feels Like -8°
Moderate northeast wind Northeast 14 - 28 km/h
UV Index 1 Low SPF: no
  • Snow Snow 30% 0.12 in
  • Humidity Humidity 83%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 99%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1032 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Visibility Visibility 12 km
16:00 Partly cloudy -4° Partly cloudy
Feels Like -9°
Moderate northeast wind Northeast 14 - 28 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 77%
  • Dew Point Dew Point -8 °C
  • Clouds Clouds 93%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -9 °C
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1034 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Visibility Visibility 30 km
19:00 Partly cloudy -5° Partly cloudy
Feels Like -9°
Moderate northeast wind Northeast 11 - 28 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 70%
  • Dew Point Dew Point -10 °C
  • Clouds Clouds 87%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -9 °C
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1035 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Visibility Visibility 45 km
22:00 Partly cloudy -7° Partly cloudy
Feels Like -10°
Moderate east wind East 7 - 25 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 72%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 86%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1035 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 25 km/h
  • Visibility Visibility 45 km

Sunrise and Sunset

Sunrise 07:42 Sunset 16:42
First light 07:09 Midday 12:12 Last light 17:14
Day length 9h

Remaining daylight 6h 21m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
15 Last Quarter
16 Last Quarter
17 Last Quarter
18 New Moon
19 New Moon
20 New Moon
21 New Moon
22 First Quarter
23 First Quarter
24 First Quarter
25 First Quarter
26 First Quarter
27 First Quarter
28 First Quarter

Air quality in St. Catharines today

Detail
30
Fair O₃ (73 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs

Maximum Minimum Rainfall

Videos

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Torrential rains caused severe flooding in Safi, Morocco