10-Day Weather Forecast for Saint Catharines (ON)

Six-hourly outlook through Tuesday 20 October. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Sunday
11 Oct
—
—
Rain
18°C (64°F)
1.4 mm (0.1 in)
Mostly clear
16°C (61°F)
0 mm (0 in)
Hourly ›
Monday
12 Oct
Fog
13°C (55°F)
0 mm (0 in)
Partly cloudy
15°C (59°F)
0 mm (0 in)
Mostly sunny
21°C (70°F)
0 mm (0 in)
Mostly clear
18°C (64°F)
0 mm (0 in)
Hourly ›
Tuesday
13 Oct
Rain
19°C (66°F)
1.1 mm (0.04 in)
Light rain showers
19°C (66°F)
0.9 mm (0.04 in)
Light rain showers
23°C (73°F)
0.6 mm (0.02 in)
Partly cloudy
21°C (70°F)
0 mm (0 in)
Hourly ›
Wednesday
14 Oct
Partly cloudy
19°C (66°F)
0.1 mm (0 in)
Cloudy
17°C (63°F)
0.4 mm (0.02 in)
Partly cloudy
19°C (66°F)
0 mm (0 in)
Cloudy
17°C (63°F)
0 mm (0 in)
Hourly ›
Thursday
15 Oct
Cloudy
15°C (59°F)
0 mm (0 in)
Partly cloudy
12°C (54°F)
0.2 mm (0.01 in)
Cloudy
13°C (55°F)
0 mm (0 in)
Cloudy
12°C (54°F)
0 mm (0 in)
Hourly ›
Friday
16 Oct
Rain
11°C (52°F)
1.1 mm (0.04 in)
Rain
13°C (55°F)
4.5 mm (0.2 in)
Rain showers
14°C (57°F)
1.7 mm (0.1 in)
Mostly clear
11°C (52°F)
0.4 mm (0.02 in)
Hourly ›
Saturday
17 Oct
Partly cloudy
8°C (46°F)
0.2 mm (0.01 in)
Cloudy
8°C (46°F)
0.2 mm (0.01 in)
Cloudy
11°C (52°F)
0 mm (0 in)
Mostly clear
11°C (52°F)
0 mm (0 in)
Hourly ›
Sunday
18 Oct
Clear skies
10°C (50°F)
0 mm (0 in)
Clear skies
9°C (48°F)
0 mm (0 in)
Cloudy
16°C (61°F)
0 mm (0 in)
Partly cloudy
14°C (57°F)
0 mm (0 in)
Hourly ›
Monday
19 Oct
Partly cloudy
14°C (57°F)
0 mm (0 in)
Cloudy
14°C (57°F)
0 mm (0 in)
Cloudy
18°C (64°F)
0 mm (0 in)
Cloudy
16°C (61°F)
0 mm (0 in)
Hourly ›
Tuesday
20 Oct
Light rain
15°C (59°F)
0.8 mm (0.03 in)
Cloudy
14°C (57°F)
0.1 mm (0 in)
Cloudy
16°C (61°F)
0 mm (0 in)
—
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Saint Catharines this week?

Today's weather - Sunday 11 Oct

For the rest of Sunday the predicted weather in Saint Catharines is rain during the afternoon. The temperature will be around 18°C (64°F).

Tomorrow's weather - Monday 12 Oct

The forecast for Saint Catharines on Monday is mostly sunny. The maximum predicted temperature is a pleasant 21°C (70°F), while the minimum temperature is a mild 13°C (55°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Saint Catharines will reach 23°C (73°F) on Tuesday before declining again. Daytime highs during this period will average around 17°C (63°F), with nighttime lows around 13°C (55°F). Compared to October norms, this represents typical weather. There will be plenty of sunshine during this period. Expect less rainfall than usual (compared to average October levels), the days are characterized by mixed conditions, with some heavy rain showers especially on Fri. Precipitation is likely on approximately 3 days (Sun, Tue, Fri).

Weather Forecast FAQ for Saint Catharines

When will be the warmest day next week?

The warmest day is expected to be Tuesday with a high of 23°C (73°F).

When will be the coldest day?

The coldest day is forecasted for Saturday with a low of 8°C (46°F).

Will it rain next week in Saint Catharines?

Yes, rain is expected on 3 days , specifically on Sun, Tue, Fri.

How much rainfall is expected next week?

A total of 13 mm (0.5 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 8°C (46°F) to 23°C (73°F).

More about Saint Catharines

Explore the full Saint Catharines climate overview with monthly averages, or check rainfall data and temperature by month.

Saint Catharines weather by month

Browse monthly averages for Saint Catharines: climate by month with temperature, rainfall and sunshine.

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