Extended 10-day forecasts, Sarnia (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 Sarnia, 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 Sarnia is typical for this time of year.
Today · Wednesday 30 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 03:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 85% | S 5 m/s (10 knots) |
| 04:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 87% | S 5 m/s (10 knots) |
| 05:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 90% | S 5 m/s (10 knots) |
| 06:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 91% | S 5 m/s (10 knots) |
| 07:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 90% | S 5 m/s (10 knots) |
| 08:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 89% | S 5 m/s (10 knots) |
| 09:00 |
Partly cloudy
|
17°C (63°F) | 0 mm (0 in) | 85% | S 6 m/s (12 knots) |
| 10:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 77% | S 6 m/s (12 knots) |
| 11:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 71% | S 6 m/s (12 knots) |
| 12:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 71% | S 7 m/s (14 knots) |
| 13:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 70% | S 6 m/s (12 knots) |
| 14:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 71% | S 6 m/s (12 knots) |
| 15:00 |
Cloudy
|
20°C (68°F) | 0 mm (0 in) | 71% | S 6 m/s (12 knots) |
| 16:00 |
Light rain
|
20°C (68°F) | 0.2 mm (0.01 in) | 71% | S 5 m/s (10 knots) |
| 17:00 |
Rain
|
19°C (66°F) | 0.8 mm (0.03 in) | 76% | S 5 m/s (10 knots) |
| 18:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 87% | S 5 m/s (10 knots) |
| 19:00 |
Light rain
|
18°C (64°F) | 0.2 mm (0.01 in) | 87% | S 6 m/s (12 knots) |
| 20:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 87% | S 6 m/s (12 knots) |
| 21:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 82% | S 7 m/s (14 knots) |
| 22:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 81% | S 6 m/s (12 knots) |
| 23:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 80% | S 6 m/s (12 knots) |
03:00
Partly cloudy
85% · S 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
04:00
Partly cloudy
87% · S 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
05:00
Partly cloudy
90% · S 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
06:00
Cloudy
91% · S 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
07:00
Cloudy
90% · S 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
08:00
Partly cloudy
89% · S 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
09:00
Partly cloudy
85% · S 6 m/s (12 knots)
17°C (63°F)
0 mm (0 in)
10:00
Partly cloudy
77% · S 6 m/s (12 knots)
19°C (66°F)
0 mm (0 in)
11:00
Cloudy
71% · S 6 m/s (12 knots)
20°C (68°F)
0 mm (0 in)
12:00
Cloudy
71% · S 7 m/s (14 knots)
20°C (68°F)
0 mm (0 in)
13:00
Cloudy
70% · S 6 m/s (12 knots)
20°C (68°F)
0 mm (0 in)
14:00
Cloudy
71% · S 6 m/s (12 knots)
20°C (68°F)
0 mm (0 in)
15:00
Cloudy
71% · S 6 m/s (12 knots)
20°C (68°F)
0 mm (0 in)
16:00
Light rain
71% · S 5 m/s (10 knots)
20°C (68°F)
0.2 mm (0.01 in)
17:00
Rain
76% · S 5 m/s (10 knots)
19°C (66°F)
0.8 mm (0.03 in)
18:00
Cloudy
87% · S 5 m/s (10 knots)
18°C (64°F)
0 mm (0 in)
19:00
Light rain
87% · S 6 m/s (12 knots)
18°C (64°F)
0.2 mm (0.01 in)
20:00
Cloudy
87% · S 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
21:00
Cloudy
82% · S 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
22:00
Cloudy
81% · S 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
23:00
Cloudy
80% · S 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
Tomorrow · Thursday 1 Oct
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Heavy rain
|
18°C (64°F) | 2.3 mm (0.1 in) | 82% | S 5 m/s (10 knots) |
| 01:00 |
Heavy rain
|
17°C (63°F) | 2.6 mm (0.1 in) | 92% | SW 5 m/s (10 knots) |
| 02:00 |
Rain
|
17°C (63°F) | 0.9 mm (0.04 in) | 94% | SW 6 m/s (12 knots) |
| 03:00 |
Rain
|
17°C (63°F) | 0.7 mm (0.03 in) | 94% | SW 6 m/s (12 knots) |
| 04:00 |
Rain
|
17°C (63°F) | 0.4 mm (0.02 in) | 95% | SW 5 m/s (10 knots) |
| 05:00 |
Rain
|
17°C (63°F) | 0.3 mm (0.01 in) | 95% | S 5 m/s (10 knots) |
| 06:00 |
Rain
|
17°C (63°F) | 0.5 mm (0.02 in) | 95% | S 5 m/s (10 knots) |
| 07:00 |
Rain
|
17°C (63°F) | 0.8 mm (0.03 in) | 95% | SW 5 m/s (10 knots) |
| 08:00 |
Rain
|
17°C (63°F) | 0.5 mm (0.02 in) | 95% | SW 5 m/s (10 knots) |
| 09:00 |
Rain
|
17°C (63°F) | 0.3 mm (0.01 in) | 96% | SW 5 m/s (10 knots) |
| 10:00 |
Light rain
|
18°C (64°F) | 0.1 mm (0 in) | 96% | SW 6 m/s (12 knots) |
| 11:00 |
Light rain
|
18°C (64°F) | 0.2 mm (0.01 in) | 95% | SW 5 m/s (10 knots) |
| 12:00 |
Rain
|
19°C (66°F) | 0.3 mm (0.01 in) | 93% | SW 5 m/s (10 knots) |
| 13:00 |
Heavy rain
|
19°C (66°F) | 1.6 mm (0.1 in) | 94% | SW 5 m/s (10 knots) |
| 14:00 |
Rain
|
20°C (68°F) | 0.4 mm (0.02 in) | 95% | SW 5 m/s (10 knots) |
| 15:00 |
Rain
|
20°C (68°F) | 0.4 mm (0.02 in) | 94% | SW 4 m/s (8 knots) |
| 16:00 |
Rain
|
20°C (68°F) | 0.6 mm (0.02 in) | 92% | SW 4 m/s (8 knots) |
| 17:00 |
Rain
|
20°C (68°F) | 0.9 mm (0.04 in) | 94% | SW 4 m/s (8 knots) |
| 18:00 |
Heavy rain
|
20°C (68°F) | 3 mm (0.1 in) | 95% | S 3 m/s (6 knots) |
| 19:00 |
Heavy rain
|
19°C (66°F) | 5.2 mm (0.2 in) | 96% | SW 2 m/s (4 knots) |
| 20:00 |
Heavy rain
|
19°C (66°F) | 2 mm (0.1 in) | 97% | W 3 m/s (6 knots) |
| 21:00 |
Heavy rain
|
19°C (66°F) | 1.2 mm (0.05 in) | 98% | NW 5 m/s (10 knots) |
| 22:00 |
Heavy rain
|
19°C (66°F) | 1.5 mm (0.1 in) | 95% | NW 5 m/s (10 knots) |
| 23:00 |
Heavy rain
|
18°C (64°F) | 2.5 mm (0.1 in) | 94% | NW 5 m/s (10 knots) |
00:00
Heavy rain
82% · S 5 m/s (10 knots)
18°C (64°F)
2.3 mm (0.1 in)
01:00
Heavy rain
92% · SW 5 m/s (10 knots)
17°C (63°F)
2.6 mm (0.1 in)
02:00
Rain
94% · SW 6 m/s (12 knots)
17°C (63°F)
0.9 mm (0.04 in)
03:00
Rain
94% · SW 6 m/s (12 knots)
17°C (63°F)
0.7 mm (0.03 in)
04:00
Rain
95% · SW 5 m/s (10 knots)
17°C (63°F)
0.4 mm (0.02 in)
05:00
Rain
95% · S 5 m/s (10 knots)
17°C (63°F)
0.3 mm (0.01 in)
06:00
Rain
95% · S 5 m/s (10 knots)
17°C (63°F)
0.5 mm (0.02 in)
07:00
Rain
95% · SW 5 m/s (10 knots)
17°C (63°F)
0.8 mm (0.03 in)
08:00
Rain
95% · SW 5 m/s (10 knots)
17°C (63°F)
0.5 mm (0.02 in)
09:00
Rain
96% · SW 5 m/s (10 knots)
17°C (63°F)
0.3 mm (0.01 in)
10:00
Light rain
96% · SW 6 m/s (12 knots)
18°C (64°F)
0.1 mm (0 in)
11:00
Light rain
95% · SW 5 m/s (10 knots)
18°C (64°F)
0.2 mm (0.01 in)
12:00
Rain
93% · SW 5 m/s (10 knots)
19°C (66°F)
0.3 mm (0.01 in)
13:00
Heavy rain
94% · SW 5 m/s (10 knots)
19°C (66°F)
1.6 mm (0.1 in)
14:00
Rain
95% · SW 5 m/s (10 knots)
20°C (68°F)
0.4 mm (0.02 in)
15:00
Rain
94% · SW 4 m/s (8 knots)
20°C (68°F)
0.4 mm (0.02 in)
16:00
Rain
92% · SW 4 m/s (8 knots)
20°C (68°F)
0.6 mm (0.02 in)
17:00
Rain
94% · SW 4 m/s (8 knots)
20°C (68°F)
0.9 mm (0.04 in)
18:00
Heavy rain
95% · S 3 m/s (6 knots)
20°C (68°F)
3 mm (0.1 in)
19:00
Heavy rain
96% · SW 2 m/s (4 knots)
19°C (66°F)
5.2 mm (0.2 in)
20:00
Heavy rain
97% · W 3 m/s (6 knots)
19°C (66°F)
2 mm (0.1 in)
21:00
Heavy rain
98% · NW 5 m/s (10 knots)
19°C (66°F)
1.2 mm (0.05 in)
22:00
Heavy rain
95% · NW 5 m/s (10 knots)
19°C (66°F)
1.5 mm (0.1 in)
23:00
Heavy rain
94% · NW 5 m/s (10 knots)
18°C (64°F)
2.5 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
16°C (61°F)
4.1 mm (0.2 in)
Rain
80% · N 8 m/s (16 knots)
14°C (57°F)
0 mm (0 in)
Partly cloudy
89% · NW 7 m/s (14 knots)
17°C (63°F)
0 mm (0 in)
Cloudy
53% · N 7 m/s (14 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
80% · NE 1 m/s (2 knots)
Fri
2 Oct
night
16°C (61°F)
4.1 mm (0.2 in)
Rain
80%
8 m/s (16 knots)
morning
14°C (57°F)
0 mm (0 in)
Partly cloudy
89%
7 m/s (14 knots)
afternoon
17°C (63°F)
0 mm (0 in)
Cloudy
53%
7 m/s (14 knots)
evening
15°C (59°F)
0 mm (0 in)
Clear skies
80%
1 m/s (2 knots)
Saturday
3 Oct
13°C (55°F)
0 mm (0 in)
Clear skies
78% · N 4 m/s (8 knots)
11°C (52°F)
0 mm (0 in)
Mostly sunny
87% · NW 3 m/s (6 knots)
15°C (59°F)
0 mm (0 in)
Mostly sunny
62% · NE 3 m/s (6 knots)
12°C (54°F)
0 mm (0 in)
Clear skies
79% · E 1 m/s (2 knots)
Sat
3 Oct
night
13°C (55°F)
0 mm (0 in)
Clear skies
78%
4 m/s (8 knots)
morning
11°C (52°F)
0 mm (0 in)
Mostly sunny
87%
3 m/s (6 knots)
afternoon
15°C (59°F)
0 mm (0 in)
Mostly sunny
62%
3 m/s (6 knots)
evening
12°C (54°F)
0 mm (0 in)
Clear skies
79%
1 m/s (2 knots)
Sunday
4 Oct
10°C (50°F)
0 mm (0 in)
Cloudy
89% · SE 2 m/s (4 knots)
10°C (50°F)
0 mm (0 in)
Clear skies
97% · S 2 m/s (4 knots)
19°C (66°F)
0 mm (0 in)
Clear skies
61% · SW 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
Partly cloudy
66% · NW 5 m/s (10 knots)
Sun
4 Oct
night
10°C (50°F)
0 mm (0 in)
Cloudy
89%
2 m/s (4 knots)
morning
10°C (50°F)
0 mm (0 in)
Clear skies
97%
2 m/s (4 knots)
afternoon
19°C (66°F)
0 mm (0 in)
Clear skies
61%
5 m/s (10 knots)
evening
16°C (61°F)
0 mm (0 in)
Partly cloudy
66%
5 m/s (10 knots)
Monday
5 Oct
11°C (52°F)
0 mm (0 in)
Partly cloudy
75% · NW 5 m/s (10 knots)
9°C (48°F)
0.1 mm (0 in)
Clear skies
83% · NW 5 m/s (10 knots)
13°C (55°F)
0 mm (0 in)
Partly cloudy
53% · NW 5 m/s (10 knots)
11°C (52°F)
0 mm (0 in)
Clear skies
65% · N 3 m/s (6 knots)
Mon
5 Oct
night
11°C (52°F)
0 mm (0 in)
Partly cloudy
75%
5 m/s (10 knots)
morning
9°C (48°F)
0.1 mm (0 in)
Clear skies
83%
5 m/s (10 knots)
afternoon
13°C (55°F)
0 mm (0 in)
Partly cloudy
53%
5 m/s (10 knots)
evening
11°C (52°F)
0 mm (0 in)
Clear skies
65%
3 m/s (6 knots)
Tuesday
6 Oct
9°C (48°F)
0 mm (0 in)
Clear skies
73% · NW 3 m/s (6 knots)
6°C (43°F)
0 mm (0 in)
Clear skies
92% · NW 3 m/s (6 knots)
12°C (54°F)
0 mm (0 in)
Clear skies
48% · N 2 m/s (4 knots)
9°C (48°F)
0 mm (0 in)
Clear skies
74% · E 1 m/s (2 knots)
Tue
6 Oct
night
9°C (48°F)
0 mm (0 in)
Clear skies
73%
3 m/s (6 knots)
morning
6°C (43°F)
0 mm (0 in)
Clear skies
92%
3 m/s (6 knots)
afternoon
12°C (54°F)
0 mm (0 in)
Clear skies
48%
2 m/s (4 knots)
evening
9°C (48°F)
0 mm (0 in)
Clear skies
74%
1 m/s (2 knots)
Wednesday
7 Oct
7°C (45°F)
0 mm (0 in)
Clear skies
82% · S 2 m/s (4 knots)
6°C (43°F)
0 mm (0 in)
Clear skies
87% · S 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
Partly cloudy
57% · S 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
Partly cloudy
66% · S 4 m/s (8 knots)
Wed
7 Oct
night
7°C (45°F)
0 mm (0 in)
Clear skies
82%
2 m/s (4 knots)
morning
6°C (43°F)
0 mm (0 in)
Clear skies
87%
2 m/s (4 knots)
afternoon
15°C (59°F)
0 mm (0 in)
Partly cloudy
57%
4 m/s (8 knots)
evening
12°C (54°F)
0 mm (0 in)
Partly cloudy
66%
4 m/s (8 knots)
Thursday
8 Oct
13°C (55°F)
0.4 mm (0.02 in)
Partly cloudy
74% · SW 4 m/s (8 knots)
11°C (52°F)
0 mm (0 in)
Clear skies
83% · SW 4 m/s (8 knots)
19°C (66°F)
0 mm (0 in)
Partly cloudy
65% · NW 4 m/s (8 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
85% · SW ()
Thu
8 Oct
night
13°C (55°F)
0.4 mm (0.02 in)
Partly cloudy
74%
4 m/s (8 knots)
morning
11°C (52°F)
0 mm (0 in)
Clear skies
83%
4 m/s (8 knots)
afternoon
19°C (66°F)
0 mm (0 in)
Partly cloudy
65%
4 m/s (8 knots)
evening
15°C (59°F)
0 mm (0 in)
Clear skies
85%
()
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Sarnia weather by month
Browse monthly averages for Sarnia: climate by month with temperature, rainfall and sunshine.
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