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St. Catharines, Ontario, Canada weather

Regional Municipality of Niagara, Ontario, Canada

St. Catharines weather

19°
Mainly clear
Feels like 19°
Low/High: 12° / 19°
Humidity77%
Wind15 km/h
Visibility19 km
UV index0
Air qualityAQI 33· Good
Through the day:
Morning
10°0%
Afternoon
16°1%
Evening
14°0%
Night
12°0%

Today's everyday tips

What to wear today?Chilly

Chilly: add a sweater, a warm windbreaker or a light scarf.

Suitability for light clothing75%
Good day to dry laundry?Great day

Dry and breezy, humidity 77%. Ideal for drying clothes and bedding quickly.

Drying index95%

St. Catharines weather by the hour

Next 24 hours

  1. Overcast15°Chance of rain 4%
  2. Overcast16°Chance of rain 1%
  3. Overcast15°Chance of rain 1%
  4. Partly cloudy16°Chance of rain 1%
  5. Mainly clear16°Chance of rain 1%
  6. Overcast16°Chance of rain 1%
  7. Overcast16°Chance of rain 1%
  8. Overcast15°Chance of rain 1%
  9. Overcast15°Chance of rain 0%
  10. Overcast14°Chance of rain 0%
  11. Overcast13°Chance of rain 0%
  12. Overcast13°Chance of rain 0%
  13. Overcast13°Chance of rain 0%
  14. Overcast12°Chance of rain 0%
  15. Overcast12°Chance of rain 0%
  16. Overcast12°Chance of rain 0%
  17. Overcast11°Chance of rain 0%
  18. Overcast11°Chance of rain 0%
  19. Overcast11°Chance of rain 0%
  20. Overcast11°Chance of rain 0%
  21. Overcast11°Chance of rain 0%
  22. Overcast10°Chance of rain 0%
  23. Overcast10°Chance of rain 0%
  24. Overcast10°Chance of rain 0%

St. Catharines weather, next 7 days

  1. 12°19°

    Overcast · Rain 15%

  2. 10°13°

    Light drizzle · Rain 77%

  3. 7°15°

    Moderate rain · Rain 92%

  4. 5°11°

    Light drizzle · Rain 22%

  5. 7°17°

    Clear sky · Rain 0%

  6. 11°17°

    Overcast · Rain 1%

  7. 11°19°

    Overcast · Rain 1%

Environment

AQI details →
Air quality
33Good
Ultraviolet (UV)
0Low
Wind now
15km/h
Dew point
15°RH 77%

Sunrise & sunset

11h 6m of daylight
Noon 13:02
Rise: 07:29Dawn 07:00
Set: 18:35Dusk 19:04
W

Windy wind map & radar (St. Catharines)

Detailed radar →

St. Catharines weather trends, next 24 hours

Chance of rain & rainfall in St. Catharines

Bars show chance of rain (%); hover for rainfall (mm)

Show data table
Chance of rain and rainfall by the hour
TimeChance of rainRainfall
10:004%0 mm
11:001%0 mm
12:001%0 mm
13:001%0 mm
14:001%0 mm
15:001%0 mm
16:001%0 mm
17:001%0 mm
18:000%0 mm
19:000%0 mm
20:000%0 mm
21:000%0 mm
22:000%0 mm
23:000%0 mm
00:000%0 mm
01:000%0 mm
02:000%0 mm
03:000%0 mm
04:000%0 mm
05:000%0 mm
06:000%0 mm
07:000%0 mm
08:000%0 mm
09:000%0 mm

Temperature & feels-like

Hourly air and feels-like temperature (°C)

  • Temperature
  • Feels like
Show data table
Temperature by the hour
TimeTemperatureFeels like
10:0015.2°C13.6°C
11:0015.7°C14°C
12:0015.3°C13.2°C
13:0015.5°C13°C
14:0016.2°C13.7°C
15:0016.2°C14°C
16:0015.5°C13.1°C
17:0014.7°C12.2°C
18:0014.5°C12.3°C
19:0013.9°C11.5°C
20:0013.4°C10.9°C
21:0013°C10.6°C
22:0012.5°C10.5°C
23:0012.3°C9.6°C
00:0012.3°C9.6°C
01:0011.6°C8.8°C
02:0011.2°C8.4°C
03:0011°C8.4°C
04:0010.9°C8.4°C
05:0010.9°C8.3°C
06:0010.6°C7.7°C
07:0010.4°C7.2°C
08:0010.2°C6.9°C
09:0010.3°C6.8°C

UV index by the hour

How strong the sun's UV is through the day

Show data table
UV index by the hour
TimeUV indexRating
10:001.5Low
11:001.2Low
12:001.8Low
13:003.7Moderate
14:003.4Moderate
15:003.3Moderate
16:002.7Moderate
17:001.6Low
18:000.6Low
19:000.1Low
20:000Low
21:000Low
22:000Low
23:000Low
00:000Low
01:000Low
02:000Low
03:000Low
04:000Low
05:000Low
06:000Low
07:000Low
08:000.1Low
09:000.5Low

Wind & gusts in St. Catharines

In km/h

  • Wind speed (km/h)
  • Gusts (km/h)
Show data table
Wind by the hour
TimeWind speedGusts
10:0014 km/h23.4 km/h
11:0014.6 km/h21.2 km/h
12:0016.1 km/h23.8 km/h
13:0017.3 km/h25.2 km/h
14:0017.4 km/h24.8 km/h
15:0014.8 km/h22 km/h
16:0015.6 km/h24.5 km/h
17:0015.7 km/h25.6 km/h
18:0013.2 km/h24.5 km/h
19:0013.3 km/h25.2 km/h
20:0013.5 km/h25.2 km/h
21:0012.5 km/h24.8 km/h
22:0011.5 km/h24.8 km/h
23:0014.8 km/h28.1 km/h
00:0014.5 km/h28.8 km/h
01:0015.4 km/h28.4 km/h
02:0015 km/h28.4 km/h
03:0013.1 km/h24.5 km/h
04:0012 km/h23.8 km/h
05:0012.2 km/h25.9 km/h
06:0014.2 km/h27.7 km/h
07:0015 km/h30.2 km/h
08:0014.8 km/h30.6 km/h
09:0016.1 km/h28.8 km/h

Sun and moon in St. Catharines

Daylight: 11 h 6 min

Sunrise time
07:29
Sunset time
18:35

Solar noon (sun highest)
13:02
Dawn – dusk
07:00 / 19:04
Morning blue hour
07:00 – 07:11
Evening blue hour
18:53 – 19:04
Morning golden hour
07:11 – 08:08
Evening golden hour
17:56 – 18:53

Waxing crescent · 16% illuminated

Moonrise 11:58 · moonset 20:31

Weather near St. Catharines

Related places

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St. Catharines weather FAQ

It is currently about 19°C in St. Catharines, feeling like 19°C. Conditions: Mainly clear, humidity 77%, wind 15 km/h.

More tools for St. Catharines

Data source: Weather data by Open-Meteo.com (CC BY 4.0)