Extended 10-day forecasts, Alliston (ON)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Alliston, Canada. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our September climate page to see if the current temperatures in Alliston is typical for this time of year.
Today · Wednesday 30 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 04:00 |
Partly cloudy
|
13°C (55°F) | 0 mm (0 in) | 93% | S 3 m/s (6 knots) |
| 05:00 |
Partly cloudy
|
14°C (57°F) | 0 mm (0 in) | 90% | SW 3 m/s (6 knots) |
| 06:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 89% | SW 4 m/s (8 knots) |
| 07:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 89% | SW 4 m/s (8 knots) |
| 08:00 |
Cloudy
|
15°C (59°F) | 0 mm (0 in) | 87% | S 4 m/s (8 knots) |
| 09:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 87% | S 4 m/s (8 knots) |
| 10:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 84% | S 4 m/s (8 knots) |
| 11:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 76% | S 4 m/s (8 knots) |
| 12:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 66% | SW 5 m/s (10 knots) |
| 13:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 64% | SW 5 m/s (10 knots) |
| 14:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 66% | SW 5 m/s (10 knots) |
| 15:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 63% | SW 5 m/s (10 knots) |
| 16:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 65% | S 4 m/s (8 knots) |
| 17:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 64% | S 4 m/s (8 knots) |
| 18:00 |
Light rain
|
21°C (70°F) | 0.2 mm (0.01 in) | 69% | S 4 m/s (8 knots) |
| 19:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 77% | S 4 m/s (8 knots) |
| 20:00 |
Cloudy
|
19°C (66°F) | 0 mm (0 in) | 78% | S 4 m/s (8 knots) |
| 21:00 |
Light rain
|
18°C (64°F) | 0.2 mm (0.01 in) | 79% | S 4 m/s (8 knots) |
| 22:00 |
Rain
|
18°C (64°F) | 0.6 mm (0.02 in) | 82% | S 4 m/s (8 knots) |
| 23:00 |
Rain
|
17°C (63°F) | 0.5 mm (0.02 in) | 90% | S 5 m/s (10 knots) |
04:00
Partly cloudy
93% · S 3 m/s (6 knots)
13°C (55°F)
0 mm (0 in)
05:00
Partly cloudy
90% · SW 3 m/s (6 knots)
14°C (57°F)
0 mm (0 in)
06:00
Cloudy
89% · SW 4 m/s (8 knots)
14°C (57°F)
0 mm (0 in)
07:00
Cloudy
89% · SW 4 m/s (8 knots)
14°C (57°F)
0 mm (0 in)
08:00
Cloudy
87% · S 4 m/s (8 knots)
15°C (59°F)
0 mm (0 in)
09:00
Cloudy
87% · S 4 m/s (8 knots)
16°C (61°F)
0 mm (0 in)
10:00
Cloudy
84% · S 4 m/s (8 knots)
17°C (63°F)
0 mm (0 in)
11:00
Cloudy
76% · S 4 m/s (8 knots)
20°C (68°F)
0 mm (0 in)
12:00
Cloudy
66% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
13:00
Cloudy
64% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
14:00
Cloudy
66% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
15:00
Cloudy
63% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
16:00
Cloudy
65% · S 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
17:00
Cloudy
64% · S 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
18:00
Light rain
69% · S 4 m/s (8 knots)
21°C (70°F)
0.2 mm (0.01 in)
19:00
Cloudy
77% · S 4 m/s (8 knots)
20°C (68°F)
0 mm (0 in)
20:00
Cloudy
78% · S 4 m/s (8 knots)
19°C (66°F)
0 mm (0 in)
21:00
Light rain
79% · S 4 m/s (8 knots)
18°C (64°F)
0.2 mm (0.01 in)
22:00
Rain
82% · S 4 m/s (8 knots)
18°C (64°F)
0.6 mm (0.02 in)
23:00
Rain
90% · S 5 m/s (10 knots)
17°C (63°F)
0.5 mm (0.02 in)
Tomorrow · Thursday 1 Oct
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 92% | S 5 m/s (10 knots) |
| 01:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 92% | S 5 m/s (10 knots) |
| 02:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 88% | SW 5 m/s (10 knots) |
| 03:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 88% | SW 4 m/s (8 knots) |
| 04:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 90% | S 4 m/s (8 knots) |
| 05:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 91% | S 3 m/s (6 knots) |
| 06:00 |
Rain
|
17°C (63°F) | 0.4 mm (0.02 in) | 93% | S 3 m/s (6 knots) |
| 07:00 |
Heavy rain
|
17°C (63°F) | 2.3 mm (0.1 in) | 95% | S 3 m/s (6 knots) |
| 08:00 |
Rain
|
17°C (63°F) | 0.4 mm (0.02 in) | 96% | S 3 m/s (6 knots) |
| 09:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 96% | S 3 m/s (6 knots) |
| 10:00 |
Cloudy
|
19°C (66°F) | 0 mm (0 in) | 93% | SW 4 m/s (8 knots) |
| 11:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 87% | SW 4 m/s (8 knots) |
| 12:00 |
Cloudy
|
19°C (66°F) | 0 mm (0 in) | 87% | SW 4 m/s (8 knots) |
| 13:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 78% | SW 4 m/s (8 knots) |
| 14:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 77% | SW 4 m/s (8 knots) |
| 15:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 74% | SW 4 m/s (8 knots) |
| 16:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 73% | W 5 m/s (10 knots) |
| 17:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 76% | W 3 m/s (6 knots) |
| 18:00 |
Rain
|
21°C (70°F) | 0.4 mm (0.02 in) | 81% | W 3 m/s (6 knots) |
| 19:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 90% | W 2 m/s (4 knots) |
| 20:00 |
Rain
|
19°C (66°F) | 0.8 mm (0.03 in) | 92% | S 2 m/s (4 knots) |
| 21:00 |
Rain
|
19°C (66°F) | 0.9 mm (0.04 in) | 95% | S 3 m/s (6 knots) |
| 22:00 |
Heavy rain
|
19°C (66°F) | 1.4 mm (0.1 in) | 96% | S 4 m/s (8 knots) |
| 23:00 |
Heavy rain
|
19°C (66°F) | 1.4 mm (0.1 in) | 96% | W 4 m/s (8 knots) |
00:00
Cloudy
92% · S 5 m/s (10 knots)
17°C (63°F)
0 mm (0 in)
01:00
Cloudy
92% · S 5 m/s (10 knots)
17°C (63°F)
0 mm (0 in)
02:00
Cloudy
88% · SW 5 m/s (10 knots)
17°C (63°F)
0 mm (0 in)
03:00
Cloudy
88% · SW 4 m/s (8 knots)
18°C (64°F)
0 mm (0 in)
04:00
Cloudy
90% · S 4 m/s (8 knots)
17°C (63°F)
0 mm (0 in)
05:00
Cloudy
91% · S 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
06:00
Rain
93% · S 3 m/s (6 knots)
17°C (63°F)
0.4 mm (0.02 in)
07:00
Heavy rain
95% · S 3 m/s (6 knots)
17°C (63°F)
2.3 mm (0.1 in)
08:00
Rain
96% · S 3 m/s (6 knots)
17°C (63°F)
0.4 mm (0.02 in)
09:00
Cloudy
96% · S 3 m/s (6 knots)
18°C (64°F)
0 mm (0 in)
10:00
Cloudy
93% · SW 4 m/s (8 knots)
19°C (66°F)
0 mm (0 in)
11:00
Cloudy
87% · SW 4 m/s (8 knots)
20°C (68°F)
0 mm (0 in)
12:00
Cloudy
87% · SW 4 m/s (8 knots)
19°C (66°F)
0 mm (0 in)
13:00
Cloudy
78% · SW 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
14:00
Cloudy
77% · SW 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
15:00
Cloudy
74% · SW 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
16:00
Cloudy
73% · W 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
17:00
Cloudy
76% · W 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
18:00
Rain
81% · W 3 m/s (6 knots)
21°C (70°F)
0.4 mm (0.02 in)
19:00
Cloudy
90% · W 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
20:00
Rain
92% · S 2 m/s (4 knots)
19°C (66°F)
0.8 mm (0.03 in)
21:00
Rain
95% · S 3 m/s (6 knots)
19°C (66°F)
0.9 mm (0.04 in)
22:00
Heavy rain
96% · S 4 m/s (8 knots)
19°C (66°F)
1.4 mm (0.1 in)
23:00
Heavy rain
96% · W 4 m/s (8 knots)
19°C (66°F)
1.4 mm (0.1 in)
Next 7 days
Six-hour segments
Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Friday
2 Oct
17°C (63°F)
4.5 mm (0.2 in)
Rain
97% · NW 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
Partly cloudy
88% · NW 4 m/s (8 knots)
17°C (63°F)
0 mm (0 in)
Clear skies
57% · NW 7 m/s (14 knots)
12°C (54°F)
0 mm (0 in)
Clear skies
70% · NW 5 m/s (10 knots)
Fri
2 Oct
night
17°C (63°F)
4.5 mm (0.2 in)
Rain
97%
4 m/s (8 knots)
morning
12°C (54°F)
0 mm (0 in)
Partly cloudy
88%
4 m/s (8 knots)
afternoon
17°C (63°F)
0 mm (0 in)
Clear skies
57%
7 m/s (14 knots)
evening
12°C (54°F)
0 mm (0 in)
Clear skies
70%
5 m/s (10 knots)
Saturday
3 Oct
10°C (50°F)
0 mm (0 in)
Clear skies
84% · NW 4 m/s (8 knots)
8°C (46°F)
0 mm (0 in)
Clear skies
91% · N 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
51% · N 2 m/s (4 knots)
9°C (48°F)
0 mm (0 in)
Clear skies
75% · N 1 m/s (2 knots)
Sat
3 Oct
night
10°C (50°F)
0 mm (0 in)
Clear skies
84%
4 m/s (8 knots)
morning
8°C (46°F)
0 mm (0 in)
Clear skies
91%
2 m/s (4 knots)
afternoon
15°C (59°F)
0 mm (0 in)
Clear skies
51%
2 m/s (4 knots)
evening
9°C (48°F)
0 mm (0 in)
Clear skies
75%
1 m/s (2 knots)
Sunday
4 Oct
6°C (43°F)
0.1 mm (0 in)
Partly cloudy
85% · S 2 m/s (4 knots)
6°C (43°F)
0.2 mm (0.01 in)
Partly cloudy
90% · E ()
19°C (66°F)
0.1 mm (0 in)
Mostly sunny
53% · S 6 m/s (12 knots)
13°C (55°F)
0.1 mm (0 in)
Mostly clear
79% · W 5 m/s (10 knots)
Sun
4 Oct
night
6°C (43°F)
0.1 mm (0 in)
Partly cloudy
85%
2 m/s (4 knots)
morning
6°C (43°F)
0.2 mm (0.01 in)
Partly cloudy
90%
()
afternoon
19°C (66°F)
0.1 mm (0 in)
Mostly sunny
53%
6 m/s (12 knots)
evening
13°C (55°F)
0.1 mm (0 in)
Mostly clear
79%
5 m/s (10 knots)
Monday
5 Oct
10°C (50°F)
0 mm (0 in)
Mostly clear
80% · W 5 m/s (10 knots)
8°C (46°F)
0.6 mm (0.02 in)
Light rain showers
76% · NW 6 m/s (12 knots)
10°C (50°F)
0.3 mm (0.01 in)
Mostly sunny
65% · NW 7 m/s (14 knots)
8°C (46°F)
0 mm (0 in)
Mostly clear
61% · NW 5 m/s (10 knots)
Mon
5 Oct
night
10°C (50°F)
0 mm (0 in)
Mostly clear
80%
5 m/s (10 knots)
morning
8°C (46°F)
0.6 mm (0.02 in)
Light rain showers
76%
6 m/s (12 knots)
afternoon
10°C (50°F)
0.3 mm (0.01 in)
Mostly sunny
65%
7 m/s (14 knots)
evening
8°C (46°F)
0 mm (0 in)
Mostly clear
61%
5 m/s (10 knots)
Tuesday
6 Oct
6°C (43°F)
0 mm (0 in)
Partly cloudy
67% · W 2 m/s (4 knots)
5°C (41°F)
0 mm (0 in)
Partly cloudy
71% · W 3 m/s (6 knots)
11°C (52°F)
0 mm (0 in)
Partly cloudy
45% · NW 5 m/s (10 knots)
6°C (43°F)
0 mm (0 in)
Clear skies
75% · NW 2 m/s (4 knots)
Tue
6 Oct
night
6°C (43°F)
0 mm (0 in)
Partly cloudy
67%
2 m/s (4 knots)
morning
5°C (41°F)
0 mm (0 in)
Partly cloudy
71%
3 m/s (6 knots)
afternoon
11°C (52°F)
0 mm (0 in)
Partly cloudy
45%
5 m/s (10 knots)
evening
6°C (43°F)
0 mm (0 in)
Clear skies
75%
2 m/s (4 knots)
Wednesday
7 Oct
4°C (39°F)
0 mm (0 in)
Partly cloudy
80% · W 2 m/s (4 knots)
4°C (39°F)
0 mm (0 in)
Clear skies
75% · SW 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
47% · SW 3 m/s (6 knots)
10°C (50°F)
0 mm (0 in)
Partly cloudy
68% · S 3 m/s (6 knots)
Wed
7 Oct
night
4°C (39°F)
0 mm (0 in)
Partly cloudy
80%
2 m/s (4 knots)
morning
4°C (39°F)
0 mm (0 in)
Clear skies
75%
2 m/s (4 knots)
afternoon
15°C (59°F)
0 mm (0 in)
Clear skies
47%
3 m/s (6 knots)
evening
10°C (50°F)
0 mm (0 in)
Partly cloudy
68%
3 m/s (6 knots)
Thursday
8 Oct
10°C (50°F)
2.1 mm (0.1 in)
Rain
70% · SW 4 m/s (8 knots)
12°C (54°F)
0.1 mm (0 in)
Partly cloudy
71% · SW 6 m/s (12 knots)
18°C (64°F)
0.2 mm (0.01 in)
Mostly sunny
59% · NW 6 m/s (12 knots)
12°C (54°F)
0 mm (0 in)
Clear skies
88% · NW 3 m/s (6 knots)
Thu
8 Oct
night
10°C (50°F)
2.1 mm (0.1 in)
Rain
70%
4 m/s (8 knots)
morning
12°C (54°F)
0.1 mm (0 in)
Partly cloudy
71%
6 m/s (12 knots)
afternoon
18°C (64°F)
0.2 mm (0.01 in)
Mostly sunny
59%
6 m/s (12 knots)
evening
12°C (54°F)
0 mm (0 in)
Clear skies
88%
3 m/s (6 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Alliston weather by month
Browse monthly averages for Alliston: climate by month with temperature, rainfall and sunshine.
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