10-Day Weather Forecast for Alliston (ON)

Six-hourly outlook through Monday 13 July. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Saturday
4 Jul
Partly cloudy
23°C (73°F)
0.2 mm (0.01 in)
Hourly ›
Sunday
5 Jul
Partly cloudy
19°C (66°F)
0 mm (0 in)
Partly cloudy
20°C (68°F)
0 mm (0 in)
Partly cloudy
27°C (81°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0 mm (0 in)
Hourly ›
Monday
6 Jul
Mostly clear
17°C (63°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Mostly sunny
28°C (82°F)
0.4 mm (0.02 in)
Clear skies
25°C (77°F)
0 mm (0 in)
Hourly ›
Tuesday
7 Jul
Clear skies
18°C (64°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0 mm (0 in)
Mostly sunny
30°C (86°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Hourly ›
Wednesday
8 Jul
Clear skies
18°C (64°F)
0 mm (0 in)
Partly cloudy
21°C (70°F)
0 mm (0 in)
Mostly sunny
32°C (90°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Hourly ›
Thursday
9 Jul
Cloudy
22°C (72°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0 mm (0 in)
Mostly sunny
32°C (90°F)
0 mm (0 in)
Light rain
28°C (82°F)
0.6 mm (0.02 in)
Hourly ›
Friday
10 Jul
Rain
21°C (70°F)
3.5 mm (0.1 in)
Rain
21°C (70°F)
4.1 mm (0.2 in)
Light rain
26°C (79°F)
0.7 mm (0.03 in)
Mostly clear
24°C (75°F)
0 mm (0 in)
Hourly ›
Saturday
11 Jul
Cloudy
20°C (68°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
23°C (73°F)
0 mm (0 in)
Hourly ›
Sunday
12 Jul
Clear skies
17°C (63°F)
0 mm (0 in)
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Hourly ›
Monday
13 Jul
Mostly clear
20°C (68°F)
0.2 mm (0.01 in)
Rain showers
22°C (72°F)
1 mm (0.04 in)
Rain showers
28°C (82°F)
1.9 mm (0.1 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Alliston this week?

Today's weather - Saturday 4 Jul

This evening, the weather in Alliston will be partly cloudy with some rain, with temperatures around 23°C (73°F), dropping to 19°C (66°F) overnight.

Tomorrow's weather - Sunday 5 Jul

The forecast for Alliston on Sunday is partly cloudy. Temperatures will range from a pleasant 19°C (66°F) to a warm 27°C (81°F).

10-Day Weather Forecast

During the next 10 days, temperatures will reach 32°C (90°F) on Thursday before declining again, with average highs of 28°C (82°F) and lows of 20°C (68°F). These values are typical for July. The next 10 days will feature plenty of sunshine. Rain amounts are forecast to be less than usual (relative to standard July patterns), with mostly dry conditions. Precipitation is expected on roughly 1 day (Fri). Expect generally calm wind conditions.

Weather Forecast FAQ for Alliston

When will be the warmest day next week?

The warmest day is expected to be Thursday with a high of 32°C (90°F).

When will be the coldest day?

The coldest day is forecasted for Monday with a low of 17°C (63°F).

Will it rain next week in Alliston?

Yes, rain is expected on 1 day , specifically on Fri.

How much rainfall is expected next week?

A total of 10 mm (0.4 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 17°C (63°F) to 32°C (90°F).

More about Alliston

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

Alliston weather by month

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

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