10-Day Weather Forecast for Saint Marys (ON)

Six-hourly outlook through Friday 9 October. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Tuesday
29 Sep
—
—
—
Partly cloudy
15°C (59°F)
0 mm (0 in)
Hourly ›
Wednesday
30 Sep
Cloudy
13°C (55°F)
0.1 mm (0 in)
Cloudy
15°C (59°F)
0 mm (0 in)
Cloudy
21°C (70°F)
0.5 mm (0.02 in)
Rain
18°C (64°F)
2.9 mm (0.1 in)
Hourly ›
Thursday
1 Oct
Heavy rain
16°C (61°F)
8.4 mm (0.3 in)
Rain
17°C (63°F)
2.1 mm (0.1 in)
Rain
20°C (68°F)
2.3 mm (0.1 in)
Heavy rain
18°C (64°F)
12 mm (0.5 in)
Hourly ›
Friday
2 Oct
Heavy rain
17°C (63°F)
7.3 mm (0.3 in)
Cloudy
12°C (54°F)
0 mm (0 in)
Cloudy
17°C (63°F)
0 mm (0 in)
Clear skies
12°C (54°F)
0 mm (0 in)
Hourly ›
Saturday
3 Oct
Clear skies
9°C (48°F)
0 mm (0 in)
Clear skies
6°C (43°F)
0 mm (0 in)
Mostly sunny
15°C (59°F)
0 mm (0 in)
Clear skies
11°C (52°F)
0 mm (0 in)
Hourly ›
Sunday
4 Oct
Cloudy
8°C (46°F)
0 mm (0 in)
Mostly sunny
8°C (46°F)
0 mm (0 in)
Mostly sunny
18°C (64°F)
0.3 mm (0.01 in)
Partly cloudy
14°C (57°F)
0 mm (0 in)
Hourly ›
Monday
5 Oct
Partly cloudy
10°C (50°F)
0 mm (0 in)
Partly cloudy
8°C (46°F)
0 mm (0 in)
Mostly sunny
12°C (54°F)
0 mm (0 in)
Clear skies
7°C (45°F)
0 mm (0 in)
Hourly ›
Tuesday
6 Oct
Clear skies
3°C (37°F)
0 mm (0 in)
Clear skies
3°C (37°F)
0 mm (0 in)
Partly cloudy
12°C (54°F)
0 mm (0 in)
Clear skies
6°C (43°F)
0 mm (0 in)
Hourly ›
Wednesday
7 Oct
Partly cloudy
4°C (39°F)
0 mm (0 in)
Clear skies
4°C (39°F)
0 mm (0 in)
Cloudy
14°C (57°F)
0 mm (0 in)
Mostly clear
10°C (50°F)
0 mm (0 in)
Hourly ›
Thursday
8 Oct
Cloudy
9°C (48°F)
0.4 mm (0.02 in)
Cloudy
10°C (50°F)
0.1 mm (0 in)
Partly cloudy
16°C (61°F)
0 mm (0 in)
Clear skies
12°C (54°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Saint Marys this week?

Today's weather - Tuesday 29 Sep

This evening, the weather in Saint Marys will be partly cloudy, with temperatures around 15°C (59°F), dropping to 13°C (55°F) overnight.

Tomorrow's weather - Wednesday 30 Sep

For Wednesday the forecast for Saint Marys is cloudy with some rain during the evening. Expect highs of a pleasant 21°C (70°F) and lows of around 13°C (55°F).

10-Day Weather Forecast

The 10-day forecast shows that temperatures will start at 21°C (70°F) on Wednesday, then cooling down. During this period, expect daytime highs around 16°C (61°F) and nighttime lows around 10°C (50°F). Compared to typical September conditions, these temperatures are much cooler than usual. The following 10 days will bring plenty of sunshine. Expect a bit more rainfall than usual (compared to average September levels), the days are characterized by mixed conditions, with some heavy rain showers especially on Thu, Fri. Precipitation is likely on approximately 3 days (Wed, Thu, Fri).

Weather Forecast FAQ for Saint Marys

When will be the warmest day next week?

The warmest day is expected to be Wednesday with a high of 21°C (70°F).

When will be the coldest day?

The coldest day is forecasted for Tuesday with a low of 3°C (37°F).

Will it rain next week in Saint Marys?

Yes, rain is expected on 3 days , specifically on Wed, Thu, Fri.

How much rainfall is expected next week?

A total of 36 mm (1.4 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 3°C (37°F) to 21°C (70°F).

More about Saint Marys

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

Saint Marys weather by month

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

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