Cornwall (Canada) weather

Find a forecast

Forecast days

Today

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -13° Celsius;

Sunrise: 07:31

Sunset: 16:18

Overcast.

L UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -13° Celsius;
Tue 16 Dec

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

Sunrise: 07:32

Sunset: 16:18

Clear changing to overcast by lunchtime.

L UV

No pollution data.

No pollen data.

Tue 16 Dec

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -3° Celsius;
Wed 17 Dec

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

Sunrise: 07:32

Sunset: 16:18

Overcast.

L UV

No pollution data.

No pollen data.

Wed 17 Dec

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -8° Celsius;
Thu 18 Dec

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

Sunrise: 07:33

Sunset: 16:19

Partly cloudy changing to sunny by late morning.

L UV

No pollution data.

No pollen data.

Thu 18 Dec

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 3° Celsius;
Fri 19 Dec

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -11° Celsius;

Sunrise: 07:34

Sunset: 16:19

Heavy rain changing to overcast in the afternoon.

L UV

No pollution data.

No pollen data.

Fri 19 Dec

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -11° Celsius;
Sat 20 Dec

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

Sunrise: 07:34

Sunset: 16:19

Sunny intervals changing to cloudy by late morning.

L UV

No pollution data.

No pollen data.

Sat 20 Dec

Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -2° Celsius;
Sun 21 Dec

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -10° Celsius;

Sunrise: 07:35

Sunset: 16:20

Overcast.

L UV

No pollution data.

No pollen data.

Sun 21 Dec

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -10° Celsius;

Overcast.

Sunrise: 07:31

Sunset: 16:18

L UV

No pollution data.

No pollen data.

7 day forecast for Cornwall

Today (15 December 2025)

Time	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	50%	30%	<5%	<5%	<5%
Temperature (°C)	-8°	-8°	-7°	-7°	-7°
Feels like temperature (°C)	-14°	-13°	-13°	-12°	-13°
Wind direction and speed (mph)	SW 7	SW 8	SW 8	SW 8	WSW 8
Wind gust (mph)	16	17	18	18	17
Visibility (description)	P	P	M	G	VG
Humidity	96%	97%	94%	91%	88%
UV	-	-	-	-	-

Tuesday (16 December 2025)

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)	-8°	-8°	-8°	-9°	-10°	-11°	-12°	-13°	-13°	-11°	-8°	-6°	-5°	-4°	-4°	-3°	-4°	-4°	-4°	-4°	-4°	-4°	-3°	-2°
Feels like temperature (°C)	-13°	-13°	-14°	-15°	-16°	-17°	-18°	-19°	-18°	-16°	-14°	-12°	-10°	-10°	-9°	-8°	-9°	-9°	-10°	-10°	-10°	-10°	-9°	-8°
Wind direction and speed (mph)	SW 8	SW 8	SW 8	SW 8	SW 8	SW 8	SSW 7	SW 7	SW 6	SW 6	SW 7	SW 8	SW 9	SW 10	SW 9	SW 9	SSW 9	SSW 9	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 11
Wind gust (mph)	17	17	17	17	16	14	14	14	14	16	18	19	21	21	20	19	20	22	22	22	22	22	23	26
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	87%	86%	85%	85%	85%	85%	85%	88%	88%	85%	82%	76%	75%	73%	72%	75%	75%	74%	69%	68%	68%	67%	64%	63%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-	-

Wednesday (17 December 2025)

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%	10%	10%	10%	<5%	<5%	<5%	<5%	10%	10%	10%	<5%	<5%	<5%	10%	10%	20%	20%	20%	10%	<5%	<5%	<5%	<5%
Temperature (°C)	-2°	-1°	0°	0°	0°	0°	0°	1°	1°	2°	2°	2°	2°	2°	2°	2°	2°	2°	2°	1°	-1°	-2°	-3°	-4°
Feels like temperature (°C)	-7°	-6°	-6°	-6°	-5°	-5°	-5°	-5°	-4°	-4°	-3°	-3°	-3°	-3°	-3°	-3°	-3°	-3°	-3°	-4°	-6°	-6°	-7°	-8°
Wind direction and speed (mph)	SSW 12	SSW 13	SW 13	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	WSW 15	WSW 14	WSW 14	W 13	W 12	W 10	W 9	W 8	WSW 7
Wind gust (mph)	27	29	30	30	30	30	31	32	33	33	34	33	33	33	33	32	31	30	28	25	22	18	15	15
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	G	G	VG	VG	VG	VG	VG	VG	G	G	G	G	VG	VG	VG	VG	VG
Humidity	61%	58%	56%	57%	57%	58%	62%	65%	69%	74%	81%	84%	84%	84%	84%	85%	85%	85%	85%	83%	77%	76%	77%	78%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-	-

Thursday (18 December 2025)

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%	10%	10%	10%	10%	10%	10%	10%	20%	30%
Temperature (°C)	-4°	-5°	-7°	-6°	-5°	-4°	-4°	-3°	-4°	-2°	-1°	0°	1°	2°	2°	4°	5°	5°	5°	5°	5°	5°	5°	5°
Feels like temperature (°C)	-8°	-9°	-11°	-10°	-9°	-8°	-7°	-6°	-7°	-4°	-4°	-2°	-1°	0°	0°	1°	1°	1°	1°	1°	1°	1°	1°	1°
Wind direction and speed (mph)	WSW 6	WSW 5	SSW 5	S 5	S 6	S 6	S 6	S 6	SSE 5	SE 4	ESE 4	E 4	E 5	ESE 4	SSE 5	S 8	SSW 10	SSW 11	SSW 11	SSW 11	SSW 11	SSW 10	SSW 11	SSW 10
Wind gust (mph)	12	11	11	11	13	12	12	11	10	10	11	11	12	12	18	22	24	25	25	25	24	23	22	21
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G	VG	G	G	VG	VG
Humidity	79%	83%	87%	88%	88%	89%	89%	87%	89%	84%	79%	71%	69%	69%	69%	66%	67%	69%	68%	69%	69%	73%	74%	76%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-	-

Friday (19 December 2025)

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	40%	60%	70%	80%	90%	80%	70%	90%	80%	60%	60%	50%	50%	40%	30%	30%	40%	30%	30%	20%	10%
Temperature (°C)	5°	5°	5°	6°	6°	6°	6°	6°	6°	5°	5°	4°	4°	4°	3°	2°	1°	-1°	-2°	-4°	-8°
Feels like temperature (°C)	1°	2°	2°	3°	3°	3°	3°	3°	3°	2°	1°	0°	0°	0°	-2°	-3°	-4°	-7°	-9°	-12°	-17°
Wind direction and speed (mph)	SSW 9	SSW 9	SSW 9	SSW 9	SSW 10	SW 10	SW 9	SW 10	SW 10	SW 10	WSW 10	WSW 11	WSW 10	WSW 11	WSW 13	WSW 14	W 15	W 16	W 17	W 17	WNW 17
Wind gust (mph)	20	21	21	22	21	21	21	22	23	23	23	24	22	27	30	32	34	36	37	38	39
Visibility (description)	VG	G	G	M	P	P	P	P	P	P	M	M	M	M	G	G	VG	G	VG	VG	VG
Humidity	82%	85%	91%	93%	95%	96%	97%	97%	97%	97%	96%	96%	95%	93%	91%	88%	84%	80%	69%	67%	64%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	-	-	-	-

Saturday (20 December 2025)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	20%	40%	30%	20%
Temperature (°C)	-9°	-10°	-11°	-9°	-6°	-5°	-4°	-2°
Feels like temperature (°C)	-18°	-19°	-18°	-15°	-11°	-10°	-8°	-6°
Wind direction and speed (mph)	WNW 16	WNW 15	W 11	WSW 8	SW 7	SSW 7	S 6	S 8
Wind gust (mph)	36	31	24	21	19	19	17	22
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	60%	53%	49%	46%	45%	50%	78%	76%
UV	-	-	1	1	1	1	-	-

Sunday (21 December 2025)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	20%	30%	30%	20%	10%	10%	10%	10%
Temperature (°C)	0°	1°	1°	2°	2°	1°	-1°	-4°
Feels like temperature (°C)	-4°	-4°	-4°	-3°	-2°	-3°	-6°	-10°
Wind direction and speed (mph)	SSW 10	SSW 11	SW 11	WSW 11	W 12	W 11	W 10	WNW 10
Wind gust (mph)	25	26	27	28	28	25	21	21
Visibility (description)	VG	VG	G	VG	VG	VG	VG	VG
Humidity	75%	73%	81%	77%	73%	78%	78%	70%
UV	-	-	1	1	1	1	-	-

UK video forecast

weather map

Forecast

Forecast for 7pm (UTC-5) Monday

Updated 18:58 (UTC) on Mon 15 Dec 2025

Loading map...

Cornwall (Canada) weather

Find a forecast

Forecast days

Today

Today

Tue 16 Dec

Tue 16 Dec

Wed 17 Dec

Wed 17 Dec

Thu 18 Dec

Thu 18 Dec

Fri 19 Dec

Fri 19 Dec

Sat 20 Dec

Sat 20 Dec

Sun 21 Dec

Sun 21 Dec

7 day forecast for Cornwall

Tooltip header

UK video forecast

Nearest forecasts

More from the Met Office

Causes of climate change

Hurricane Sandy

Make a rainbow DIY activity

Northern lights

Ottery St Mary Hailstorm October 2008

3 tips for staying safe in lightning