St. Catharines, ON - Extended Weather Forecast

01:00 Wednesday Artboard
Light rain Light rain 13° Feels like 13° Rainfall 90% 2.1 mm
reloj Hourly Light rain in the next few hours
  • Wednesday 15 May Scattered clouds 23° / 11° Calm 13 - 33 km/h
  • Thursday 16 May Scattered clouds 21° / 14° Calm 11 - 34 km/h
  • Friday 17 May Partly cloudy 20° / 10° Calm 38 - 72 km/h
  • Saturday 18 May Partly cloudy 18° / 9° Calm 16 - 47 km/h
  • Sunday 19 May Clear 23° / 12° Calm 8 - 23 km/h
  • Monday 20 May Scattered clouds 26° / 13° Calm 9 - 24 km/h
  • Tuesday 21 May Partly cloudy 23° / 14° Calm 16 - 33 km/h
Wednesday, 15 May Thursday, 16 May
02:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm Southeast 10 - 18 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 75%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 34%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 3400 m
05:00 Scattered clouds 13° Scattered clouds
Feels Like 13°
Calm Southeast 8 - 17 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 75%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 42%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 3400 m
08:00 Scattered clouds 15° Scattered clouds
Feels Like 15°
Calm East 6 - 18 km/h
UV Index 1 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 49%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 3400 m
11:00 Scattered clouds 18° Scattered clouds
Feels Like 18°
Calm East 5 - 22 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 10% 0 mm
  • Humidity Humidity 70%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 54%
  • Feels Like Feels Like 18 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1009 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 3400 m
14:00 Partly cloudy 21° Partly cloudy
Feels Like 21°
Calm Northeast 3 - 26 km/h
UV Index 6 High SPF: 15-25
  • Rain Rain 20% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point 15 °C
  • Clouds Clouds 59%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1008 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 3500 m
17:00 High clouds 21° High clouds
Feels Like 21°
Calm South 6 - 28 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 20% 0 mm
  • Humidity Humidity 63%
  • Dew Point Dew Point 14 °C
  • Clouds Clouds 59%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1007 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Snowline Snowline 3400 m
20:00 Partly cloudy 20° Partly cloudy
Feels Like 20°
Calm South 13 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 61%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 60%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1006 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 3200 m
23:00 Partly cloudy 18° Partly cloudy
Feels Like 18°
Calm South 8 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 70%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 78%
  • Feels Like Feels Like 18 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1006 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 3100 m

Pollution in St. Catharines

Detail
32
Fair O₃ (79 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs
Maximum Minimum Rainfall

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