Sarnia (Canada) weather

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Forecast days

Today

Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 4° Celsius;

Sunrise: 06:56

Sunset: 18:26

Light showers changing to partly cloudy by early evening.

L UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius;
Sun 8 Mar

Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 8° Celsius;

Sunrise: 07:54

Sunset: 19:27

Partly cloudy changing to sunny intervals by late morning.

M UV

No pollution data.

No pollen data.

Sun 8 Mar

Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
Mon 9 Mar

Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 5° Celsius;

Sunrise: 07:52

Sunset: 19:29

Clear.

M UV

No pollution data.

No pollen data.

Mon 9 Mar

Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius;
Tue 10 Mar

Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 3° Celsius;

Sunrise: 07:50

Sunset: 19:30

Clear changing to partly cloudy by early evening.

M UV

No pollution data.

No pollen data.

Tue 10 Mar

Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius;
Wed 11 Mar

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -3° Celsius;

Sunrise: 07:49

Sunset: 19:31

Light rain changing to overcast by nighttime.

L UV

No pollution data.

No pollen data.

Wed 11 Mar

Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: -3 degrees Celsius;
Thu 12 Mar

Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -1° Celsius;

Sunrise: 07:47

Sunset: 19:32

Overcast changing to sunny intervals by late morning.

M UV

No pollution data.

No pollen data.

Thu 12 Mar

Maximum daytime temperature: 1 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius;
Fri 13 Mar

Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: -2° Celsius;

Sunrise: 07:45

Sunset: 19:33

Overcast changing to drizzle by late morning.

M UV

No pollution data.

No pollen data.

Fri 13 Mar

Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: -2 degrees Celsius;

Light showers changing to partly cloudy by early evening.

Sunrise: 06:56

Sunset: 18:26

L UV

No pollution data.

No pollen data.

7 day forecast for Sarnia

Today (7 March 2026)

Time	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	40%	60%	20%	<5%	10%	10%	10%	<5%
Temperature (°C)	17°	17°	17°	15°	13°	11°	9°	8°
Feels like temperature (°C)	14°	15°	14°	12°	9°	8°	7°	5°
Wind direction and speed (mph)	SW 17	SW 16	SW 15	WSW 15	W 17	W 16	WNW 14	WNW 13
Wind gust (mph)	29	28	27	30	31	27	23	22
Visibility (description)	G	G	G	G	G	G	VG	VG
Humidity	85%	84%	84%	78%	75%	76%	77%	74%
UV	1	1	1	-	-	-	-	-

Sunday (8 March 2026)

Time	00:00	01:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	6°	6°	5°	5°	5°	5°	5°	5°	5°	5°	6°	7°	9°	11°	12°	13°	13°	13°	12°	11°	10°	10°	9°
Feels like temperature (°C)	3°	2°	2°	3°	3°	2°	2°	1°	1°	1°	2°	4°	6°	7°	9°	9°	10°	10°	10°	9°	8°	8°	7°
Wind direction and speed (mph)	NW 11	NW 10	WNW 8	WNW 6	WSW 5	SW 7	WSW 8	WSW 10	SW 12	SW 14	SW 16	SW 17	SW 18	SW 19	WSW 19	WSW 19	WSW 17	WSW 14	WSW 12	WSW 9	SW 8	SSW 8	SSW 9
Wind gust (mph)	19	16	13	11	11	15	18	20	25	27	29	30	33	34	34	33	30	24	19	15	14	15	18
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	73%	74%	75%	76%	81%	83%	83%	80%	76%	69%	65%	56%	53%	41%	40%	40%	40%	40%	42%	55%	59%	64%	65%
UV	-	-	-	-	-	-	1	1	1	1	3	3	4	4	3	2	1	1	1	-	-	-	-

Monday (9 March 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	9°	9°	9°	9°	8°	8°	8°	8°	8°	8°	9°	11°	13°	14°	15°	16°	17°	17°	17°	15°	14°	13°	12°	12°
Feels like temperature (°C)	6°	6°	6°	5°	5°	5°	5°	4°	4°	5°	6°	8°	9°	11°	12°	13°	13°	14°	14°	13°	12°	12°	11°	10°
Wind direction and speed (mph)	SSW 11	SSW 13	SSW 14	SSW 15	SSW 15	SSW 16	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 16	SW 17	SW 16	SW 16	SW 16	SW 15	SW 14	SSW 12	SSW 10	SSW 9	SSW 9	SSW 9	SSW 9
Wind gust (mph)	20	22	24	24	25	25	25	24	24	25	26	28	29	29	28	27	26	24	18	17	14	15	14	15
Visibility (description)	G	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G	G	G
Humidity	66%	68%	67%	68%	68%	69%	69%	70%	71%	68%	65%	61%	55%	54%	48%	42%	41%	42%	51%	56%	63%	66%	69%	69%
UV	-	-	-	-	-	-	-	1	1	1	1	3	3	4	4	3	2	1	1	1	-	-	-	-

Tuesday (10 March 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	20%	10%	20%	40%
Temperature (°C)	11°	10°	9°	9°	8°	8°	7°	7°	7°	8°	10°	12°	13°	14°	15°	16°	16°	17°	17°	16°	15°	15°	15°	16°
Feels like temperature (°C)	9°	8°	7°	6°	5°	5°	5°	5°	5°	6°	7°	10°	11°	12°	13°	14°	14°	15°	15°	14°	14°	13°	13°	13°
Wind direction and speed (mph)	SSW 9	SSW 9	SSW 9	SSW 10	SSW 10	SSW 9	SSW 8	SSW 8	SSW 8	S 8	S 9	SSW 10	SSW 11	SW 11	SW 12	SW 12	SW 12	SW 12	S 12	SSE 11	SSE 12	SSE 13	SSE 14	SSE 15
Wind gust (mph)	15	15	15	16	15	15	14	14	14	15	17	18	19	21	21	21	21	20	19	19	20	22	24	25
Visibility (description)	G	G	G	G	VG	VG	VG	G	G	G	VG	VG	VG	VG	VG	VG	G	G	G	G	G	G	G	G
Humidity	71%	75%	76%	78%	78%	78%	83%	85%	86%	84%	79%	76%	74%	73%	74%	74%	75%	75%	79%	83%	86%	89%	92%	92%
UV	-	-	-	-	-	-	-	1	1	1	2	3	3	4	4	3	2	1	1	1	-	-	-	-

Wednesday (11 March 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	23:00
Weather symbols
Chance of precipitation	50%	60%	80%	70%	70%	60%	60%	60%	60%	60%	60%	50%	60%	60%	50%	50%	50%	60%	50%	50%	30%	20%
Temperature (°C)	16°	16°	16°	16°	16°	15°	15°	14°	14°	10°	6°	4°	4°	4°	3°	2°	2°	1°	1°	1°	0°	0°
Feels like temperature (°C)	13°	13°	13°	13°	13°	13°	12°	12°	11°	7°	1°	-2°	-2°	-2°	-3°	-4°	-4°	-5°	-6°	-6°	-6°	-6°
Wind direction and speed (mph)	SSE 16	S 16	S 16	SSW 16	SSW 15	SSW 15	SSW 14	SW 14	WSW 15	WNW 16	NW 17	NW 17	NNW 18	NNW 18	NNW 19	NNW 19	NNW 19	NNW 19	NNW 19	NNW 19	NNW 18	NNW 17
Wind gust (mph)	26	27	26	27	26	25	25	25	26	29	30	30	31	31	32	33	33	33	32	31	32	30
Visibility (description)	G	G	M	M	M	M	M	M	M	M	M	M	G	M	G	G	G	G	G	G	G	VG
Humidity	92%	93%	94%	95%	95%	95%	95%	95%	95%	96%	93%	93%	92%	91%	87%	86%	86%	86%	87%	87%	84%	74%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	2	2	1	1	1	1	1	-	-

Thursday (12 March 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	10%	10%	10%	10%	<5%	<5%	<5%	<5%
Temperature (°C)	-1°	-2°	-3°	-2°	0°	0°	-1°	-1°
Feels like temperature (°C)	-7°	-8°	-9°	-8°	-5°	-4°	-5°	-6°
Wind direction and speed (mph)	NW 17	NNW 17	NNW 15	NNW 15	NNW 13	NNW 10	NNE 8	S 10
Wind gust (mph)	29	29	27	27	24	18	18	22
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	70%	67%	66%	57%	52%	47%	59%	65%
UV	-	-	1	3	4	1	-	-

Friday (13 March 2026)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	20%	20%	40%	40%	30%	30%	10%	10%
Temperature (°C)	0°	1°	2°	4°	6°	6°	4°	2°
Feels like temperature (°C)	-6°	-6°	-4°	-1°	1°	1°	-1°	-3°
Wind direction and speed (mph)	S 14	S 18	S 20	SSW 21	SW 21	WSW 20	W 17	WNW 16
Wind gust (mph)	30	35	38	39	39	38	31	29
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	66%	63%	66%	67%	58%	55%	64%	64%
UV	-	-	1	1	2	1	-	-

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Forecast

Forecast for 5pm (UTC-5) Saturday

Updated 18:21 (UTC) on Sat 7 Mar 2026

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Sarnia (Canada) weather

Find a forecast

Forecast days

Today

Today

Sun 8 Mar

Sun 8 Mar

Mon 9 Mar

Mon 9 Mar

Tue 10 Mar

Tue 10 Mar

Wed 11 Mar

Wed 11 Mar

Thu 12 Mar

Thu 12 Mar

Fri 13 Mar

Fri 13 Mar

7 day forecast for Sarnia

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