Weather St. Catharines today

PLACES IN THE AREA

9 °C	5 °C	9 am
12 °C	9 °C	12 pm
12 °C	9 °C	3 pm
4 °C	1 °C	9 pm

sunrise 7:47 am
sunset 5:00 pm

HOURLY

Weather forecast St. Catharines Jan. 9, 2026

During the day morning heavy rain to cloudy. The highest temperature 13 °C. Total rainfall 6.0 mm. At night overcast. The lowest temperature 1 °C.

Interactive map weather Ontario

GPS: 43.1713; -79.2427

altitude: 104 m
local time:

Meteogram is being loaded

Weather forecast St. Catharines, Ontario extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Today, Friday 01/09/2026
12 AM	overcast	8 °C 4 °C	0.0 mm	7.9 m/s 28 km/h south	1014 hPa	55 %	0 °C	100 %	0%	0%	100%	100%
1 AM	overcast	8 °C 5 °C	0.0 mm	7.0 m/s 25 km/h south	1014 hPa	54 %	0 °C	100 %	0%	0%	78%	100%
2 AM	overcast	8 °C 4 °C	0.0 mm	8.7 m/s 31 km/h south	1012 hPa	54 %	0 °C	100 %	0%	0%	94%	99%
3 AM	overcast	8 °C 4 °C	0.0 mm	8.1 m/s 29 km/h south	1011 hPa	53 %	0 °C	97 %	0%	0%	57%	95%
4 AM	heavy rain	9 °C 5 °C	2.4 mm	8.6 m/s 31 km/h south	1010 hPa	51 %	0 °C	100 %	0%	0%	97%	97%
5 AM	heavy rain	8 °C 5 °C	2.5 mm	8.5 m/s 31 km/h south	1009 hPa	63 %	1 °C	100 %	0%	3%	100%	93%
6 AM	rain	7 °C 4 °C	0.5 mm	9.8 m/s 35 km/h south-southwest	1009 hPa	78 %	3 °C	100 %	0%	67%	100%	0%
7 AM	light rain	7 °C 4 °C	0.2 mm	10.4 m/s 37 km/h south	1009 hPa	79 %	3 °C	100 %	0%	68%	100%	0%
8 AM	overcast	7 °C 4 °C	0.0 mm	10.3 m/s 37 km/h south	1008 hPa	79 %	4 °C	100 %	0%	100%	99%	0%
9 AM	overcast	9 °C 6 °C	0.0 mm	11.2 m/s 40 km/h south	1007 hPa	75 %	4 °C	100 %	0%	100%	96%	0%
10 AM	overcast	10 °C 6 °C	0.0 mm	12.0 m/s 43 km/h south-southwest	1006 hPa	70 %	4 °C	100 %	0%	99%	83%	0%
11 AM	overcast	11 °C 7 °C	0.0 mm	13.1 m/s 47 km/h south-southwest	1006 hPa	69 %	5 °C	89 %	0%	40%	79%	0%
12 PM	partly cloudy	12 °C 9 °C	0.0 mm	12.9 m/s 46 km/h south-southwest	1004 hPa	69 %	6 °C	28 %	0%	28%	0%	0%
1 PM	cloudy	14 °C 11 °C	0.0 mm	13.7 m/s 49 km/h south-southwest	1002 hPa	69 %	8 °C	75 %	0%	68%	23%	0%
2 PM	rain showers	13 °C 10 °C	0.3 mm	14.2 m/s 51 km/h south-southwest	1001 hPa	72 %	8 °C	58 %	0%	25%	45%	0%
3 PM	cloudy	12 °C 9 °C	0.0 mm	14.2 m/s 51 km/h southwest	1003 hPa	79 %	8 °C	75 %	0%	75%	39%	0%
4 PM	cloudy	9 °C 5 °C	0.0 mm	15.5 m/s 56 km/h southwest	1005 hPa	69 %	3 °C	44 %	0%	44%	0%	0%
5 PM	overcast	7 °C 3 °C	0.0 mm	13.7 m/s 49 km/h southwest	1007 hPa	71 %	1 °C	100 %	0%	100%	0%	0%
6 PM	cloudy	7 °C 3 °C	0.0 mm	14.1 m/s 51 km/h west-southwest	1010 hPa	70 %	1 °C	85 %	0%	85%	0%	0%
7 PM	cloudy	5 °C 1 °C	0.0 mm	10.9 m/s 39 km/h west	1014 hPa	73 %	1 °C	68 %	0%	68%	0%	0%
8 PM	overcast	5 °C 1 °C	0.0 mm	9.5 m/s 34 km/h west	1017 hPa	74 %	0 °C	100 %	0%	100%	0%	0%
9 PM	partly cloudy	4 °C 0 °C	0.0 mm	8.0 m/s 29 km/h west-southwest	1019 hPa	74 %	0 °C	33 %	0%	33%	0%	0%
10 PM	partly cloudy	3 °C 0 °C	0.0 mm	7.0 m/s 25 km/h west-southwest	1020 hPa	77 %	0 °C	25 %	0%	25%	0%	0%
11 PM	clear	2 °C -1 °C	0.0 mm	6.3 m/s 23 km/h west-southwest	1021 hPa	81 %	0 °C	3 %	0%	3%	0%	0%
Tomorrow, Saturday 01/10/2026
12 AM	overcast	2 °C -1 °C	0.0 mm	6.1 m/s 22 km/h west-southwest	1022 hPa	85 %	0 °C	99 %	0%	14%	0%	99%
1 AM	overcast	2 °C -1 °C	0.0 mm	6.3 m/s 23 km/h west-southwest	1023 hPa	85 %	0 °C	96 %	0%	57%	0%	83%
2 AM	cloudy	2 °C -1 °C	0.0 mm	5.7 m/s 21 km/h west	1022 hPa	86 %	0 °C	100 %	0%	10%	0%	100%
3 AM	overcast	1 °C -2 °C	0.0 mm	4.4 m/s 16 km/h west-northwest	1023 hPa	88 %	0 °C	100 %	0%	40%	0%	100%
4 AM	overcast	1 °C -2 °C	0.0 mm	2.8 m/s 10 km/h west	1023 hPa	89 %	0 °C	100 %	0%	99%	0%	100%
5 AM	overcast	1 °C -2 °C	0.0 mm	2.0 m/s 7 km/h east-southeast	1023 hPa	87 %	0 °C	100 %	0%	100%	0%	100%
6 AM	overcast	1 °C -2 °C	0.0 mm	3.4 m/s 12 km/h east	1023 hPa	88 %	0 °C	100 %	0%	100%	0%	100%
7 AM	overcast	1 °C -2 °C	0.0 mm	3.8 m/s 14 km/h east	1023 hPa	88 %	0 °C	100 %	0%	100%	0%	100%
8 AM	overcast	1 °C -2 °C	0.0 mm	4.6 m/s 17 km/h east-northeast	1022 hPa	88 %	0 °C	100 %	0%	99%	0%	100%
9 AM	overcast	2 °C -1 °C	0.0 mm	5.8 m/s 21 km/h east	1021 hPa	87 %	0 °C	100 %	0%	99%	0%	100%
10 AM	overcast	2 °C -1 °C	0.0 mm	6.1 m/s 22 km/h east	1020 hPa	83 %	0 °C	100 %	0%	71%	0%	100%
11 AM	overcast	2 °C -1 °C	0.0 mm	6.8 m/s 24 km/h east-northeast	1019 hPa	80 %	0 °C	100 %	0%	59%	49%	100%
12 PM	overcast	3 °C 0 °C	0.0 mm	7.1 m/s 26 km/h east	1017 hPa	76 %	0 °C	99 %	0%	40%	64%	93%
1 PM	partly cloudy	4 °C 0 °C	0.0 mm	7.6 m/s 27 km/h east	1014 hPa	72 %	0 °C	35 %	0%	0%	33%	2%
2 PM	cloudy	4 °C 0 °C	0.0 mm	8.1 m/s 29 km/h east-northeast	1012 hPa	69 %	0 °C	50 %	0%	0%	50%	0%
3 PM	overcast	4 °C 0 °C	0.0 mm	9.1 m/s 33 km/h east-northeast	1010 hPa	72 %	0 °C	97 %	0%	73%	92%	0%
4 PM	light rain	4 °C 0 °C	0.2 mm	10.2 m/s 37 km/h east-northeast	1008 hPa	74 %	0 °C	100 %	0%	81%	100%	0%
5 PM	heavy rain	3 °C -1 °C	4.5 mm	9.1 m/s 33 km/h east-northeast	1006 hPa	76 %	0 °C	100 %	0%	0%	100%	0%
6 PM	rain	3 °C 0 °C	0.4 mm	8.3 m/s 30 km/h east-northeast	1005 hPa	85 %	0 °C	100 %	0%	100%	62%	16%
7 PM	heavy rain	2 °C -1 °C	1.0 mm	6.8 m/s 24 km/h east-northeast	1004 hPa	91 %	1 °C	100 %	0%	100%	99%	43%
8 PM	light rain	4 °C 1 °C	0.2 mm	5.1 m/s 18 km/h south-southeast	1003 hPa	92 %	2 °C	100 %	0%	89%	100%	14%
9 PM	overcast	6 °C 3 °C	0.0 mm	10.5 m/s 38 km/h south-southwest	1002 hPa	92 %	4 °C	100 %	0%	100%	44%	0%
10 PM	overcast	4 °C 0 °C	0.0 mm	13.2 m/s 48 km/h southwest	1003 hPa	90 %	2 °C	100 %	0%	100%	0%	0%
11 PM	overcast	3 °C -1 °C	0.0 mm	13.3 m/s 48 km/h southwest	1004 hPa	86 %	0 °C	100 %	0%	100%	1%	0%

St. Catharines, Ontario - information

State: Ontario

GPS coordinates: 43.1713; -79.2427

Time zone: America / Toronto time difference in hours with time in US is -6 hours

Population: 133 113
Altitude: 104 m
The administrative part:

Ontario, Toronto
, St. Catharines

Something wrong, something missing?

Weather St. Catharines, Ontario. Weather forecast St. Catharines.

St. Catharines - weather nearby - bigger cities

Thorold, 4.3 km
Niagara-on-the-Lake, 9.9 km
Niagara Falls, 10 km
Welland, 13 km
Grimsby, 16 km
Port Colborne, 19 km

St. Catharines - weather nearby - the closest place

Lake Gibson, 4.9 km
Short Hills, 5.8 km
Jordan Valley, 6.9 km
St. Johns Valley, 7.5 km
Palatine Hill, 7.8 km
Four Mile Point, 8.6 km

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Data source

Weather forecast for St. Catharines is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information St. Catharines

data are always in the local time

Sun and light

Jan. 9, 2026

Sunrise:	Sunset:
7:47 am	5 pm
Noon:	Length of day:
12:24 pm	09:13
Start of civil twilight*:	End of civil twilight*:
7:15 am	5:33 pm
Start of nautical twilight*:	End of nautical twilight*:
6:40 am	6:07 pm
Start of astronomical twilight*:	End of astronomical twilight*:
6:06 am	6:42 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/08/2026 11:17 pm	01/09/2026 11:05 am
Next new moon:	Next full moon:
01/18/2026	02/01/2026