St. Catharines, ON Weather

02:00 Friday
Overcast
Overcast
-6° Feels like -12°
First Quarter First Quarter Illuminated: 38%
  • Today 26 Dec. Snow with partly cloudy skies 90% 5.4 mm -2° / -7° Moderate east wind 24 - 45 km/h
  • Tomorrow 27 Dec. Partly cloudy -1° / -4° Moderate northeast wind 18 - 35 km/h
  • Sunday 28 Dec. Rain and snow with partly cloud skies 90% 4.1 mm / -4° Moderate east wind 11 - 20 km/h
  • Monday 29 Dec. Snow with cloudy skies 90% 11 mm / -4° Very strong northwest wind 43 - 83 km/h
  • Tuesday 30 Dec. Snow with cloudy skies 70% 0.3 mm -3° / -6° Very strong northwest wind 39 - 81 km/h
  • Wednesday 31 Dec. Snow with cloudy skies 80% 1.5 mm / -8° Strong southwest wind 29 - 63 km/h
  • Thursday 1 Jan. Snow with partly cloudy skies 60% 0.2 mm -5° / -9° Strong west wind 27 - 52 km/h

Weather Forecast for St. Catharines, ON Today

, 26 December

Tomorrow

, 27 December
03:00 Overcast -6° Overcast
Feels Like -12°
Moderate east wind East 15 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -12 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 0 ft
04:00 Partly cloudy -7° Partly cloudy
Feels Like -13°
Moderate east wind East 17 - 34 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 83%
  • Feels Like Feels Like -13 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Snowline Snowline 0 ft
05:00 Overcast -7° Overcast
Feels Like -12°
Moderate east wind East 16 - 34 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -12 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Snowline Snowline 0 ft
06:00 Overcast -6° Overcast
Feels Like -12°
Moderate east wind East 16 - 32 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 66%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -12 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 32 km/h
  • Snowline Snowline 0 ft
07:00 Overcast -6° Overcast
Feels Like -12°
Moderate east wind East 17 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -12 °C
  • Visibility Visibility 16 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1024 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 0 ft
Overcast 08:00 Overcast -6° Overcast
Feels Like -12°
Moderate east wind East 17 - 33 km/h
UV Index 0 Low SPF: no
08:00 Snow with cloudy skies 30% 0.1 in -6° Snow
Feels Like -12°
Moderate east wind East 17 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -12 °C
  • Visibility Visibility 10 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1023 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 0 ft
09:00 Snow with cloudy skies 30% 0.04 in -6° Snow
Feels Like -12°
Moderate east wind East 20 - 39 km/h
UV Index 0 Low SPF: no
  • Snow Snow 30% 0.04 in
  • Humidity Humidity 67%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1021 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Visibility Visibility 10 km
10:00 Snow with cloudy skies 30% 0.08 in -6° Snow
Feels Like -13°
Moderate east wind East 23 - 44 km/h
UV Index 0 Low SPF: no
  • Snow Snow 30% 0.08 in
  • Humidity Humidity 65%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0 in
  • Feels Like Feels Like -13 °C
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1019 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Visibility Visibility 6 km
Snow 11:00 Snow with cloudy skies 40% 0.08 in -5° Snow
Feels Like -12°
Moderate east wind East 21 - 45 km/h
UV Index 1 Low SPF: no
11:00 Snow with cloudy skies 40% 0.4 in -5° Snow
Feels Like -12°
Moderate east wind East 21 - 45 km/h
UV Index 1 Low SPF: no
  • Snow Snow 40% 0.08 in
  • Humidity Humidity 62%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1016 hPa
  • Snowline Snowline 656 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 45 km/h
  • Visibility Visibility 14 km
12:00 Overcast -5° Overcast
Feels Like -11°
Moderate east wind East 17 - 40 km/h
UV Index 1 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 60%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -11 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 1312 ft
13:00 Overcast -5° Overcast
Feels Like -10°
Moderate northeast wind Northeast 16 - 33 km/h
UV Index 1 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 56%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -10 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 3609 ft
Snow 14:00 Snow with cloudy skies 70% 0.08 in -4° Snow
Feels Like -10°
Moderate east wind East 19 - 36 km/h
UV Index 0 Low SPF: no
14:00 Snow with cloudy skies 90% 1.4 in -4° Snow
Feels Like -10°
Moderate east wind East 19 - 36 km/h
UV Index 0 Low SPF: no
  • Snow Snow 70% 0.08 in
  • Humidity Humidity 58%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.39 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1012 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Visibility Visibility 5 km
15:00 Snow with cloudy skies 90% 0.47 in -4° Snow
Feels Like -11°
Moderate east wind East 24 - 41 km/h
UV Index 0 Low SPF: no
  • Snow Snow 90% 0.47 in
  • Humidity Humidity 70%
  • 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 24 km/h
  • Pressure Pressure 1009 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Visibility Visibility 2 km
16:00 Snow with cloudy skies 90% 0.51 in -4° Snow
Feels Like -10°
Moderate east wind East 21 - 42 km/h
UV Index 0 Low SPF: no
  • Snow Snow 90% 0.51 in
  • Humidity Humidity 79%
  • Dew Point Dew Point -7 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1009 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 42 km/h
  • Visibility Visibility 3 km
Snow 17:00 Snow with cloudy skies 90% 0.39 in -3° Snow
Feels Like -9°
Moderate east wind East 21 - 44 km/h
UV Index 0 Low SPF: no
17:00 Snow with cloudy skies 90% 3.3 in -3° Snow
Feels Like -9°
Moderate east wind East 21 - 44 km/h
UV Index 0 Low SPF: no
  • Snow Snow 90% 0.39 in
  • Humidity Humidity 79%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -9 °C
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1009 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Visibility Visibility 3 km
18:00 Snow with cloudy skies 60% 0.39 in -3° Snow
Feels Like -8°
Moderate east wind East 19 - 39 km/h
UV Index 0 Low SPF: no
  • Snow Snow 60% 0.39 in
  • Humidity Humidity 82%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1008 hPa
  • Snowline Snowline 4265 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Visibility Visibility 4 km
19:00 Snow with cloudy skies 30% 0.08 in -3° Snow
Feels Like -8°
Moderate east wind East 17 - 32 km/h
UV Index 0 Low SPF: no
  • Snow Snow 30% 0.08 in
  • Humidity Humidity 84%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1008 hPa
  • Snowline Snowline 3609 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 32 km/h
  • Visibility Visibility 14 km
Overcast 20:00 Overcast -3° Overcast
Feels Like -7°
Moderate northeast wind Northeast 15 - 31 km/h
UV Index 0 Low SPF: no
20:00 Snow with cloudy skies 30% 0.2 in -3° Snow
Feels Like -7°
Moderate northeast wind Northeast 15 - 31 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 85%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -7 °C
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1009 hPa
  • Snowline Snowline 656 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 31 km/h
  • Visibility Visibility 40 km
21:00 Overcast -3° Overcast
Feels Like -7°
Moderate northeast wind Northeast 14 - 27 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 85%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -7 °C
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1010 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Visibility Visibility 30 km
22:00 Partly cloudy -3° Partly cloudy
Feels Like -7°
Moderate northeast wind Northeast 14 - 27 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 86%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 85%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -7 °C
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1010 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Visibility Visibility 40 km
Scattered clouds 23:00 Scattered clouds -3° Scattered clouds
Feels Like -8°
Moderate northeast wind Northeast 14 - 27 km/h
UV Index 0 Low SPF: no
23:00 Partly cloudy -3° Partly cloudy
Feels Like -8°
Moderate northeast wind Northeast 14 - 27 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 86%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 14%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1011 hPa
  • Snowline Snowline 6890 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Visibility Visibility 35 km
24:00 Scattered clouds -4° Scattered clouds
Feels Like -7°
Moderate northeast wind Northeast 10 - 25 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 87%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 35%
  • Snow depth Snow depth 1.18 in
  • Feels Like Feels Like -7 °C
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1012 hPa
  • Snowline Snowline 6562 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 25 km/h
  • Visibility Visibility 35 km

Sunrise and Sunset

Sunrise 07:47 Sunset 16:47
First light 07:15 Midday 12:17 Last light 17:20
Day length 9h

Time remaining until sunrise 5h 10m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
26 First Quarter
27 First Quarter
28 First Quarter
29 First Quarter
30 First Quarter
31 First Quarter
1 First Quarter
2 Full Moon
3 Full Moon
4 Full Moon
5 Last Quarter
6 Last Quarter
7 Last Quarter
8 Last Quarter

Air quality in St. Catharines today

Detail
34
Fair O₃ (84 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

A very intense storm causes flooding in Buenos Aires, Argentina
A very intense storm causes flooding in Buenos Aires, Argentina