Sarnia (Canada) weather

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Forecast days

Today

Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -7° Celsius;

Sunrise: 07:55

Sunset: 17:28

Light snow changing to overcast in the afternoon.

L UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -7° Celsius;
Thu 22 Jan

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -15° Celsius;

Sunrise: 07:54

Sunset: 17:29

Overcast.

L UV

No pollution data.

No pollen data.

Thu 22 Jan

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -15° Celsius;
Fri 23 Jan

Maximum daytime temperature: -14° Celsius; Minimum nighttime temperature: -17° Celsius;

Sunrise: 07:53

Sunset: 17:30

Overcast.

L UV

No pollution data.

No pollen data.

Fri 23 Jan

Maximum daytime temperature: -14° Celsius; Minimum nighttime temperature: -17° Celsius;
Sat 24 Jan

Maximum daytime temperature: -13° Celsius; Minimum nighttime temperature: -14° Celsius;

Sunrise: 07:52

Sunset: 17:32

Overcast.

L UV

No pollution data.

No pollen data.

Sat 24 Jan

Maximum daytime temperature: -13° Celsius; Minimum nighttime temperature: -14° Celsius;
Sun 25 Jan

Maximum daytime temperature: -9° Celsius; Minimum nighttime temperature: -12° Celsius;

Sunrise: 07:51

Sunset: 17:33

Light snow.

L UV

No pollution data.

No pollen data.

Sun 25 Jan

Maximum daytime temperature: -9° Celsius; Minimum nighttime temperature: -12° Celsius;
Mon 26 Jan

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

Sunrise: 07:51

Sunset: 17:34

Overcast.

L UV

No pollution data.

No pollen data.

Mon 26 Jan

Maximum daytime temperature: -8° Celsius; Minimum nighttime temperature: -14° Celsius;
Tue 27 Jan

Maximum daytime temperature: -10° Celsius; Minimum nighttime temperature: -15° Celsius;

Sunrise: 07:50

Sunset: 17:36

Overcast.

L UV

No pollution data.

No pollen data.

Tue 27 Jan

Maximum daytime temperature: -10° Celsius; Minimum nighttime temperature: -15° Celsius;

Light snow changing to overcast in the afternoon.

Sunrise: 07:55

Sunset: 17:28

L UV

No pollution data.

No pollen data.

7 day forecast for Sarnia

Today (21 January 2026)

Time	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	≥95%	≥95%	90%	50%	30%	10%	10%	20%	20%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-6°	-5°	-5°	-3°	-3°	-2°	-2°	-1°	-1°	-1°	-2°	-2°	-3°	-4°
Feels like temperature (°C)	-13°	-13°	-12°	-11°	-9°	-8°	-8°	-7°	-7°	-7°	-8°	-9°	-10°	-10°
Wind direction and speed (mph)	S 17	S 19	SSW 18	SSW 17	SSW 16	SW 15	SW 14	SW 13	SW 14	SW 14	WSW 15	WSW 15	WSW 15	WSW 14
Wind gust (mph)	30	30	29	28	26	24	23	23	24	26	27	27	25	23
Visibility (description)	VP	VP	P	P	M	M	M	G	G	VG	VG	VG	VG	VG
Humidity	100%	99%	95%	92%	91%	90%	88%	88%	88%	85%	83%	82%	79%	78%
UV	1	1	2	2	1	1	1	1	-	-	-	-	-	-

Thursday (22 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%	10%	20%	40%	40%	30%	10%	<5%	10%	10%	<5%	<5%	<5%	<5%	10%	10%	10%	10%	20%	10%	10%	10%	10%
Temperature (°C)	-4°	-4°	-4°	-4°	-4°	-5°	-5°	-5°	-6°	-6°	-6°	-7°	-7°	-7°	-7°	-7°	-7°	-7°	-7°	-7°	-8°	-8°	-8°	-9°
Feels like temperature (°C)	-10°	-10°	-10°	-10°	-10°	-10°	-11°	-12°	-12°	-13°	-14°	-14°	-15°	-15°	-14°	-14°	-14°	-14°	-14°	-14°	-15°	-16°	-16°	-16°
Wind direction and speed (mph)	WSW 12	WSW 11	SW 11	SW 10	WSW 10	WSW 10	W 10	W 12	W 12	W 12	W 13	W 15	W 15	W 16	W 14	WSW 13	WSW 12	WSW 12	WSW 12	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12
Wind gust (mph)	21	19	18	18	18	19	22	23	22	23	27	28	29	28	26	23	22	22	23	24	25	24	22	20
Visibility (description)	VG	VG	VG	VG	G	M	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	78%	81%	84%	84%	87%	89%	85%	81%	78%	76%	75%	69%	67%	66%	66%	69%	72%	75%	75%	76%	75%	74%	74%	74%
UV	-	-	-	-	-	-	-	1	1	1	1	2	2	2	1	1	1	1	-	-	-	-	-	-

Friday (23 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%	20%	10%	10%	10%	10%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-9°	-9°	-10°	-10°	-11°	-12°	-13°	-13°	-14°	-14°	-15°	-15°	-15°	-15°	-15°	-15°	-15°	-15°	-15°	-15°	-16°	-16°	-16°	-16°
Feels like temperature (°C)	-16°	-17°	-17°	-18°	-20°	-21°	-22°	-23°	-24°	-24°	-25°	-26°	-25°	-25°	-25°	-25°	-25°	-25°	-25°	-25°	-25°	-25°	-24°	-24°
Wind direction and speed (mph)	WSW 11	WSW 11	WSW 12	W 13	W 15	W 16	W 16	W 16	WNW 16	WNW 16	WNW 17	WNW 17	WNW 17	WNW 17	WNW 17	WNW 15	WNW 15	WNW 14	WNW 13	WNW 12	WNW 12	WNW 11	WNW 10	WNW 10
Wind gust (mph)	20	22	24	27	28	29	29	29	29	30	31	31	31	30	29	27	25	23	22	21	20	19	18	17
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	VG
Humidity	76%	75%	77%	75%	73%	71%	67%	68%	66%	67%	67%	66%	65%	65%	65%	65%	64%	65%	66%	66%	66%	68%	71%	70%
UV	-	-	-	-	-	-	-	1	1	1	1	2	2	2	2	1	1	1	-	-	-	-	-	-

Saturday (24 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%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	10%	10%	20%
Temperature (°C)	-16°	-16°	-16°	-16°	-16°	-16°	-16°	-16°	-16°	-16°	-15°	-15°	-15°	-14°	-14°	-13°	-13°	-13°	-14°	-13°	-14°	-14°	-14°	-14°
Feels like temperature (°C)	-24°	-24°	-24°	-24°	-24°	-24°	-24°	-23°	-22°	-22°	-21°	-20°	-19°	-18°	-18°	-18°	-18°	-19°	-20°	-20°	-20°	-20°	-21°	-21°
Wind direction and speed (mph)	WNW 10	WNW 10	WNW 9	WNW 9	WNW 9	WNW 8	WNW 8	WNW 6	WNW 6	WNW 5	W 5	W 5	W 4	WSW 3	ESE 4	E 5	ESE 5	ESE 6	ESE 6	ESE 7	ESE 7	ESE 7	E 8	E 8
Wind gust (mph)	17	16	16	15	14	14	12	11	10	10	10	9	9	9	10	10	11	11	12	12	12	13	15	16
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	VG
Humidity	68%	68%	68%	69%	71%	71%	71%	72%	72%	71%	69%	67%	66%	65%	65%	66%	67%	69%	73%	74%	75%	75%	76%	77%
UV	-	-	-	-	-	-	-	1	1	1	1	2	2	2	1	1	1	1	-	-	-	-	-	-

Sunday (25 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	20%	20%	30%	40%	40%	40%	60%	60%	60%	60%	60%	70%	70%	70%	70%	70%	70%	60%	60%	60%	60%
Temperature (°C)	-13°	-13°	-13°	-13°	-13°	-13°	-12°	-12°	-12°	-12°	-11°	-11°	-11°	-10°	-10°	-10°	-10°	-9°	-9°	-9°	-10°
Feels like temperature (°C)	-20°	-20°	-20°	-21°	-21°	-20°	-20°	-20°	-20°	-20°	-20°	-19°	-18°	-18°	-18°	-17°	-17°	-17°	-17°	-17°	-17°
Wind direction and speed (mph)	E 9	E 9	E 9	E 10	E 10	ENE 10	ENE 10	ENE 11	ENE 11	ENE 12	ENE 12	ENE 12	ENE 11	ENE 11	NE 12	NE 11	NE 11	NE 11	NE 11	NE 10	NNE 11
Wind gust (mph)	17	17	17	17	18	19	19	20	21	22	22	22	21	21	21	21	20	20	19	19	19
Visibility (description)	VG	VG	VG	VG	VG	G	M	P	VP	VP	VP	VP	VP	VP	VP	VP	P	P	P	P	P
Humidity	77%	77%	78%	79%	81%	83%	84%	90%	91%	92%	94%	93%	95%	95%	92%	92%	91%	89%	89%	88%	88%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	-	-	-

Monday (26 January 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	60%	60%	50%	30%	20%	10%	10%	10%
Temperature (°C)	-10°	-10°	-10°	-10°	-9°	-9°	-10°	-10°
Feels like temperature (°C)	-18°	-17°	-17°	-17°	-17°	-17°	-17°	-18°
Wind direction and speed (mph)	N 10	N 10	NW 9	WNW 10	WNW 12	WNW 12	W 10	W 10
Wind gust (mph)	17	17	19	23	24	20	19	20
Visibility (description)	P	P	P	M	G	VG	VG	VG
Humidity	89%	88%	88%	85%	82%	76%	81%	79%
UV	-	-	1	1	2	1	-	-

Tuesday (27 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%	<5%	10%	10%	10%	10%	20%
Temperature (°C)	-12°	-12°	-12°	-12°	-10°	-10°	-11°	-12°
Feels like temperature (°C)	-19°	-20°	-21°	-21°	-18°	-18°	-20°	-20°
Wind direction and speed (mph)	WSW 10	WSW 10	SW 12	SW 13	SW 14	SW 13	SW 12	SW 12
Wind gust (mph)	19	20	23	25	25	23	22	22
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	G
Humidity	78%	78%	76%	78%	77%	78%	80%	82%
UV	-	-	1	2	2	1	-	-

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Forecast

Forecast for 10am (UTC-5) Wednesday

Updated 12:58 (UTC) on Wed 21 Jan 2026

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Sarnia (Canada) weather

Find a forecast

Forecast days

Today

Today

Thu 22 Jan

Thu 22 Jan

Fri 23 Jan

Fri 23 Jan

Sat 24 Jan

Sat 24 Jan

Sun 25 Jan

Sun 25 Jan

Mon 26 Jan

Mon 26 Jan

Tue 27 Jan

Tue 27 Jan

7 day forecast for Sarnia

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