St. Catharines, ON Weather

15:44 Sunday Artboard
Sunny
Sunny
26° Feels like 27°
UV 6 High
SPF 15-25
  • Today 29 June Sunny 27° / 15° Calm 11 - 23 km/h
  • Tomorrow 30 June Thunderstorm 70% 2.2 mm 32° / 18° Calm 11 - 24 km/h
  • Tuesday 1 July Thunderstorm 90% 13 mm 27° / 22° Calm 23 - 43 km/h
  • Wednesday 2 July Light rain 40% 0.4 mm 28° / 19° Calm 16 - 34 km/h
  • Thursday 3 July Thunderstorm 60% 1.7 mm 26° / 19° Calm 18 - 44 km/h
  • Friday 4 July Sunny 25° / 16° Calm 12 - 28 km/h
  • Saturday 5 July Scattered clouds 28° / 17° Calm 14 - 32 km/h

Weather Forecast for St. Catharines, ON Today

, 29 June

Tomorrow

, 30 June
16:00 Sunny 26° Sunny
Feels Like 27°
Calm North 6 - 22 km/h
UV Index 6 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 55%
  • Dew Point Dew Point 16 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 14764 ft
17:00 Sunny 26° Sunny
Feels Like 27°
Calm East 3 - 22 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 53%
  • Dew Point Dew Point 16 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 14436 ft
18:00 Sunny 27° Sunny
Feels Like 27°
Calm Southeast 3 - 18 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 53%
  • Dew Point Dew Point 16 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 14436 ft
19:00 Sunny 26° Sunny
Feels Like 27°
Calm South 5 - 16 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 55%
  • Dew Point Dew Point 16 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 km/h
  • Snowline Snowline 14436 ft
20:00 Sunny 25° Sunny
Feels Like 26°
Calm South 9 - 19 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 57%
  • Dew Point Dew Point 16 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 19 km/h
  • Snowline Snowline 14764 ft
21:00 Sunny 23° Sunny
Feels Like 25°
Calm South 11 - 20 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point 16 °C
  • Clouds Clouds 1%
  • Feels Like Feels Like 25 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 20 km/h
  • Snowline Snowline 15092 ft
22:00 Clear 22° Clear
Feels Like 24°
Calm South 11 - 20 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point 17 °C
  • Clouds Clouds 9%
  • Feels Like Feels Like 24 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 20 km/h
  • Snowline Snowline 15092 ft
23:00 Clear 21° Clear
Feels Like 21°
Calm South 10 - 20 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 74%
  • Dew Point Dew Point 16 °C
  • Clouds Clouds 8%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 20 km/h
  • Snowline Snowline 14764 ft
24:00 Clear 21° Clear
Feels Like 21°
Calm South 9 - 17 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 77%
  • Dew Point Dew Point 17 °C
  • Clouds Clouds 1%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 14436 ft

Sunrise and Sunset

Sunrise 05:40 Sunset 21:00
First light 05:04 Midday 13:20 Last light 21:36
Day length 15h 20m

Remaining daylight 5h 52m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
29
First Quarter
30
First Quarter
1
First Quarter
2
First Quarter
3
First Quarter
4
First Quarter
5
First Quarter
6
First Quarter
7
First Quarter
8
First Quarter
9
Full Moon
10
Full Moon
11
Full Moon
12
Last Quarter

Air quality in St. Catharines today

Detail
59
Moderate O₃ (154 µg/m³)
  • Possible health risk.
  • Enjoy your usual outdoor activities if you do not experience symptoms.
  • Sensitive people should limit prolonged or intense outdoor activities.

Weather graphs

Maximum Minimum Rainfall

Videos

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A catastrophic hailstorm devastates Fügen, Austria! The phenomenon caused extensive property damage in the area