Sarnia (Canada) weather

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Forecast days

Today

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 07:59

Sunset: 17:19

Overcast changing to light snow by lunchtime.

L UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -8° Celsius;
Thu 15 Jan

Maximum daytime temperature: -7° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 07:58

Sunset: 17:20

Light snow changing to overcast by lunchtime.

L UV

No pollution data.

No pollen data.

Thu 15 Jan

Maximum daytime temperature: -7° Celsius; Minimum nighttime temperature: -8° Celsius;
Fri 16 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -1° Celsius;

Sunrise: 07:58

Sunset: 17:22

Cloudy changing to light snow by late morning.

L UV

No pollution data.

No pollen data.

Fri 16 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -1° Celsius;
Sat 17 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -7° Celsius;

Sunrise: 07:57

Sunset: 17:23

Overcast.

L UV

No pollution data.

No pollen data.

Sat 17 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -7° Celsius;
Sun 18 Jan

Maximum daytime temperature: -5° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 07:56

Sunset: 17:24

Cloudy.

L UV

No pollution data.

No pollen data.

Sun 18 Jan

Maximum daytime temperature: -5° Celsius; Minimum nighttime temperature: -8° Celsius;
Mon 19 Jan

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -11° Celsius;

Sunrise: 07:56

Sunset: 17:25

Overcast.

L UV

No pollution data.

No pollen data.

Mon 19 Jan

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -11° Celsius;
Tue 20 Jan

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -8° Celsius;

Sunrise: 07:55

Sunset: 17:26

Overcast.

L UV

No pollution data.

No pollen data.

Tue 20 Jan

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -8° Celsius;

Overcast changing to light snow by lunchtime.

Sunrise: 07:59

Sunset: 17:19

L UV

No pollution data.

No pollen data.

7 day forecast for Sarnia

Today (14 January 2026)

Time	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	90%	20%	<5%	20%	50%	50%	40%	20%	10%	<5%	<5%	20%	30%	50%	60%
Temperature (°C)	1°	0°	-1°	-2°	-2°	-3°	-3°	-4°	-5°	-5°	-6°	-6°	-6°	-7°	-7°
Feels like temperature (°C)	-3°	-7°	-7°	-8°	-9°	-10°	-11°	-12°	-13°	-14°	-15°	-15°	-16°	-16°	-16°
Wind direction and speed (mph)	WNW 10	NNW 17	NNW 18	NNW 18	NNW 19	NNW 20	NNW 21	NNW 22	NNW 23	NNW 23	NNW 23	NNW 23	NNW 23	NNW 22	NNW 23
Wind gust (mph)	30	31	32	33	35	36	38	40	41	41	41	40	40	41	41
Visibility (description)	M	M	G	G	M	M	M	G	G	VG	VG	G	M	M	P
Humidity	95%	88%	77%	79%	83%	86%	86%	83%	79%	77%	77%	79%	85%	87%	89%
UV	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-

Thursday (15 January 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	60%	70%	70%	80%	90%	90%	90%	80%	70%	60%	40%	30%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-7°	-7°	-7°	-8°	-8°	-8°	-8°	-8°	-8°	-8°	-8°	-8°	-8°	-7°	-7°	-7°	-7°	-7°	-8°	-8°	-8°	-8°	-8°	-8°
Feels like temperature (°C)	-17°	-17°	-17°	-18°	-18°	-18°	-18°	-18°	-18°	-18°	-18°	-18°	-17°	-17°	-17°	-16°	-16°	-15°	-15°	-15°	-14°	-13°	-13°	-12°
Wind direction and speed (mph)	NNW 23	NNW 24	NNW 24	NNW 24	NNW 24	NNW 24	NNW 25	NNW 25	NNW 25	NNW 25	NNW 24	NNW 24	NNW 23	NNW 23	NNW 22	NNW 20	NW 18	NW 15	NW 13	NW 12	NW 10	NW 8	NW 6	WNW 5
Wind gust (mph)	42	41	42	42	43	43	44	44	43	43	42	42	41	40	38	34	30	27	23	20	16	14	11	10
Visibility (description)	P	P	P	P	P	P	P	P	P	P	P	M	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	90%	92%	91%	92%	95%	96%	97%	97%	97%	95%	92%	88%	83%	82%	76%	74%	73%	71%	69%	66%	66%	65%	66%	66%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-

Friday (16 January 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%	10%	20%	30%	50%	80%	80%	90%	90%	80%	70%	40%	20%	20%	10%	20%	10%	<5%
Temperature (°C)	-8°	-7°	-7°	-7°	-7°	-7°	-6°	-6°	-5°	-5°	-4°	-4°	-4°	-4°	-4°	-3°	-3°	-2°	-1°	-1°	-1°	0°	0°	0°
Feels like temperature (°C)	-12°	-12°	-12°	-13°	-13°	-13°	-12°	-12°	-11°	-11°	-11°	-11°	-11°	-11°	-11°	-10°	-9°	-9°	-8°	-7°	-7°	-6°	-6°	-6°
Wind direction and speed (mph)	W 5	SSW 6	S 7	S 8	S 9	S 9	S 10	S 11	S 12	S 13	S 16	S 17	S 19	S 19	S 18	S 18	S 17	S 16	SSW 16	SSW 16	SSW 15	SSW 16	SW 15	SW 15
Wind gust (mph)	10	11	14	14	15	17	17	19	22	26	30	32	32	32	31	30	28	27	27	27	27	27	26	25
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G	P	P	P	VP	P	P	P	M	M	G	G	G	G
Humidity	66%	67%	70%	74%	75%	75%	74%	74%	74%	76%	80%	93%	98%	99%	100%	99%	98%	95%	93%	92%	91%	89%	88%	87%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-

Saturday (17 January 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	10%	10%	10%	<5%	<5%	<5%	<5%	<5%	10%	10%	20%	20%	30%	20%	30%	30%	30%	20%	10%	10%	10%	10%	10%	10%
Temperature (°C)	0°	0°	0°	0°	0°	0°	-1°	-1°	-1°	-1°	-1°	0°	0°	0°	0°	0°	-1°	-1°	-2°	-3°	-3°	-4°	-5°	-5°
Feels like temperature (°C)	-6°	-6°	-6°	-5°	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-5°	-5°	-5°	-5°	-5°	-6°	-7°	-9°	-9°	-11°	-12°	-12°
Wind direction and speed (mph)	SW 14	SW 14	SSW 13	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SW 12	SW 12	SW 11	SW 11	WSW 10	WSW 10	WSW 11	W 12	W 13	WSW 13	WSW 14	WSW 14	WSW 13
Wind gust (mph)	25	24	22	22	21	21	21	21	21	21	21	22	21	20	20	20	21	22	24	24	27	28	27	26
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	G	G	G	G	G	G	G	G	G	G	G	VG	VG	VG	VG	VG	VG
Humidity	87%	86%	86%	86%	88%	88%	87%	86%	87%	89%	91%	89%	88%	87%	86%	83%	84%	83%	82%	79%	76%	75%	74%	72%
UV	-	-	-	-	-	-	-	1	1	1	1	1	2	1	1	1	1	1	-	-	-	-	-	-

Sunday (18 January 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	22:00
Weather symbols
Chance of precipitation	10%	10%	10%	10%	10%	10%	10%	10%	10%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%
Temperature (°C)	-6°	-6°	-6°	-7°	-7°	-7°	-7°	-7°	-7°	-7°	-6°	-6°	-6°	-6°	-5°	-5°	-5°	-5°	-6°	-6°	-6°
Feels like temperature (°C)	-13°	-13°	-14°	-14°	-14°	-14°	-14°	-15°	-15°	-14°	-14°	-13°	-13°	-13°	-12°	-12°	-12°	-12°	-12°	-12°	-13°
Wind direction and speed (mph)	WSW 13	WSW 13	WSW 13	WSW 13	WSW 14	WSW 14	WSW 14	WSW 15	WSW 14	WSW 14	WSW 15	WSW 15	WSW 14	WSW 14	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 12	WSW 12
Wind gust (mph)	24	24	25	25	26	27	27	27	27	27	28	28	28	27	26	25	24	24	23	24	25
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	72%	71%	75%	76%	77%	79%	77%	78%	80%	79%	79%	73%	70%	67%	67%	65%	65%	64%	66%	67%	70%
UV	-	-	-	-	-	-	-	1	1	1	1	2	2	2	1	1	1	1	-	-	-

Monday (19 January 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	10%	10%	10%	20%	20%	10%	10%	10%
Temperature (°C)	-7°	-7°	-6°	-6°	-7°	-7°	-8°	-9°
Feels like temperature (°C)	-14°	-14°	-14°	-14°	-15°	-15°	-16°	-18°
Wind direction and speed (mph)	SW 13	SW 13	SW 14	WSW 15	W 17	W 17	W 18	W 17
Wind gust (mph)	25	25	27	32	34	34	35	33
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	73%	75%	76%	74%	72%	70%	70%	67%
UV	-	-	1	1	1	1	-	-

Tuesday (20 January 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	<5%	10%	10%	<5%	<5%	10%	10%	10%
Temperature (°C)	-10°	-10°	-10°	-9°	-8°	-7°	-7°	-7°
Feels like temperature (°C)	-18°	-18°	-19°	-18°	-17°	-15°	-15°	-14°
Wind direction and speed (mph)	W 16	W 15	W 15	WSW 16	WSW 17	WSW 16	WSW 16	WSW 15
Wind gust (mph)	31	31	32	33	32	31	31	28
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	67%	71%	69%	68%	61%	58%	61%	64%
UV	-	-	1	1	2	1	-	-

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Forecast

Forecast for 9am (UTC-5) Wednesday

Updated 12:33 (UTC) on Wed 14 Jan 2026

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Sarnia (Canada) weather

Find a forecast

Forecast days

Today

Today

Thu 15 Jan

Thu 15 Jan

Fri 16 Jan

Fri 16 Jan

Sat 17 Jan

Sat 17 Jan

Sun 18 Jan

Sun 18 Jan

Mon 19 Jan

Mon 19 Jan

Tue 20 Jan

Tue 20 Jan

7 day forecast for Sarnia

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