Koper (Slovenia) weather

Find a forecast

Forecast days

Today

Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;

Sunrise: 06:04

Sunset: 20:03

Sunny intervals changing to partly cloudy by nighttime.

H UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 14° Celsius;
Fri 25 Apr

Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 11° Celsius;

Sunrise: 06:03

Sunset: 20:04

Light rain changing to cloudy in the afternoon.

M UV

No pollution data.

No pollen data.

Fri 25 Apr

Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 11° Celsius;
Sat 26 Apr

Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius;

Sunrise: 06:01

Sunset: 20:05

Sunny intervals changing to partly cloudy by early evening.

H UV

No pollution data.

No pollen data.

Sat 26 Apr

Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius;
Sun 27 Apr

Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;

Sunrise: 06:00

Sunset: 20:07

Sunny intervals.

H UV

No pollution data.

No pollen data.

Sun 27 Apr

Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Mon 28 Apr

Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 10° Celsius;

Sunrise: 05:58

Sunset: 20:08

Sunny.

H UV

No pollution data.

No pollen data.

Mon 28 Apr

Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 10° Celsius;
Tue 29 Apr

Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;

Sunrise: 05:56

Sunset: 20:09

Sunny.

H UV

No pollution data.

No pollen data.

Tue 29 Apr

Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
Wed 30 Apr

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 12° Celsius;

Sunrise: 05:55

Sunset: 20:11

Sunny.

H UV

No pollution data.

No pollen data.

Wed 30 Apr

Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 12° Celsius;
Thu 1 May

Maximum daytime temperature: 22° Celsius;

Sunrise: 05:53

Sunset: 20:12

Sunny.

H UV

No pollution data.

No pollen data.

Thu 1 May

Maximum daytime temperature: 22° Celsius;

Sunny intervals changing to partly cloudy by nighttime.

Sunrise: 06:04

Sunset: 20:03

H UV

No pollution data.

No pollen data.

8 day forecast for Koper

Today (23 April 2025)

Time	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%	10%	10%	10%	10%	10%	<5%	<5%	<5%	<5%	10%	10%	20%	40%
Temperature (°C)	13°	14°	16°	18°	18°	19°	20°	21°	21°	21°	21°	21°	20°	19°	17°	17°	17°	16°
Feels like temperature (°C)	13°	15°	16°	18°	19°	20°	20°	21°	20°	20°	20°	20°	19°	19°	17°	16°	16°	15°
Wind direction and speed (mph)	ESE 4	SE 3	SE 3	SSE 2	SSE 1	SW 2	WSW 3	WSW 4	W 5	W 5	NW 5	NNW 5	N 5	NNE 5	NNE 6	NNE 6	NNE 6	NNE 6
Wind gust (mph)	6	5	6	6	8	10	12	13	13	13	13	12	12	11	12	13	12	13
Visibility (description)	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	87%	85%	75%	69%	65%	62%	58%	57%	57%	57%	57%	57%	58%	66%	72%	72%	72%	74%
UV	1	1	1	3	4	5	6	6	5	4	3	1	1	1	1	-	-	-

Friday (24 April 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	40%	60%	60%	60%	60%	60%	60%	60%	60%	60%	60%	60%	50%	40%	40%	40%	40%	20%	20%	20%	20%	10%	10%	10%
Temperature (°C)	16°	16°	16°	16°	15°	15°	15°	15°	15°	15°	15°	15°	15°	15°	15°	16°	15°	15°	15°	15°	14°	14°	14°	14°
Feels like temperature (°C)	15°	15°	15°	15°	14°	14°	14°	14°	14°	14°	13°	13°	14°	14°	14°	14°	14°	14°	14°	14°	13°	13°	13°	13°
Wind direction and speed (mph)	NNE 6	NNE 7	NNE 6	NNE 6	NNE 6	NNE 6	NNE 7	NNE 7	NNE 8	NNE 8	NNE 9	NNE 8	NNE 9	NNE 9	NNE 9	NNE 9	NNE 9	NNE 8	NNE 7	NNE 6	NNE 6	NNE 5	NNE 5	NNE 5
Wind gust (mph)	13	14	13	13	14	13	14	16	17	18	18	18	20	19	18	19	18	17	15	14	13	12	11	10
Visibility (description)	VG	G	G	G	G	G	G	G	G	G	G	G	G	G	G	G	G	G	G	VG	VG	G	G	G
Humidity	74%	73%	75%	75%	76%	77%	78%	80%	80%	80%	78%	77%	73%	72%	73%	69%	70%	70%	72%	73%	77%	81%	83%	86%
UV	-	-	-	-	-	-	1	1	1	1	1	2	3	1	2	2	1	1	1	1	1	-	-	-

Saturday (25 April 2025)

Time	00:00	01:00	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	10%	10%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	13°	13°	13°	13°	15°	18°	19°	20°	16°	15°
Feels like temperature (°C)	13°	13°	13°	13°	15°	17°	18°	17°	15°	13°
Wind direction and speed (mph)	N 4	N 4	N 4	NNE 3	NE 2	N 5	NNE 7	NE 9	NE 8	NE 8
Wind gust (mph)	10	9	8	7	13	19	21	20	17	17
Visibility (description)	G	G	G	G	VG	VG	VG	VG	VG	VG
Humidity	87%	87%	88%	91%	75%	56%	49%	46%	56%	59%
UV	-	-	-	-	1	5	5	1	1	-

Sunday (26 April 2025)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	<5%	<5%	10%	<5%
Temperature (°C)	14°	14°	15°	17°	19°	20°	16°	14°
Feels like temperature (°C)	13°	12°	13°	15°	17°	18°	15°	13°
Wind direction and speed (mph)	NE 8	NE 9	NE 10	NE 10	ENE 9	ENE 8	NE 8	NE 6
Wind gust (mph)	18	19	22	22	20	20	16	14
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	61%	57%	54%	47%	42%	42%	56%	63%
UV	-	-	1	6	6	2	1	-

Monday (27 April 2025)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	10%	<5%	<5%	<5%
Temperature (°C)	13°	12°	15°	18°	21°	21°	16°	12°
Feels like temperature (°C)	12°	11°	14°	17°	20°	20°	16°	12°
Wind direction and speed (mph)	NNE 6	NE 6	NE 5	NE 7	NE 4	NNW 4	NW 4	NNE 3
Wind gust (mph)	12	12	17	16	13	11	7	6
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	65%	66%	56%	44%	43%	43%	72%	84%
UV	-	1	1	6	6	2	1	-

Tuesday (28 April 2025)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	<5%	<5%	<5%	<5%
Temperature (°C)	11°	10°	15°	20°	22°	22°	16°	13°
Feels like temperature (°C)	11°	10°	15°	20°	21°	21°	16°	13°
Wind direction and speed (mph)	E 3	E 4	E 3	NNE 3	WNW 5	WNW 5	WNW 3	ESE 3
Wind gust (mph)	7	8	9	13	13	12	5	4
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	85%	85%	73%	52%	42%	43%	79%	85%
UV	-	1	1	6	6	2	1	-

Wednesday (29 April 2025)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	10%	<5%
Temperature (°C)	12°	11°	16°	21°	23°	22°	17°	14°
Feels like temperature (°C)	11°	11°	16°	20°	22°	21°	18°	14°
Wind direction and speed (mph)	ESE 2	E 4	E 3	NNE 3	W 5	W 6	WSW 3	ESE 3
Wind gust (mph)	7	8	9	14	15	13	6	7
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	86%	85%	71%	47%	43%	42%	78%	81%
UV	-	1	1	6	6	2	1	-

Thursday (30 April 2025)

Time	02:00	05:00	08:00	11:00	14:00	17:00	20:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	10%
Temperature (°C)	13°	12°	17°	21°	22°	21°	17°
Feels like temperature (°C)	13°	12°	16°	20°	21°	20°	17°
Wind direction and speed (mph)	ESE 4	ESE 4	ESE 3	NW 4	WSW 6	WSW 6	WSW 3
Wind gust (mph)	7	8	11	16	16	14	5
Visibility (description)	VG	VG	VG	VG	VG	VG	VG
Humidity	81%	83%	68%	44%	41%	42%	74%
UV	-	1	1	6	6	2	1

UK video forecast

weather map

Forecast

Forecast for 06:00 (UTC+2), Thu

Updated 01:21 (UTC+1) on Thu 24 Apr 2025

Loading map...

Koper (Slovenia) weather

Find a forecast

Forecast days

Today

Today

Fri 25 Apr

Fri 25 Apr

Sat 26 Apr

Sat 26 Apr

Sun 27 Apr

Sun 27 Apr

Mon 28 Apr

Mon 28 Apr

Tue 29 Apr

Tue 29 Apr

Wed 30 Apr

Wed 30 Apr

Thu 1 May

Thu 1 May

8 day forecast for Koper

Tooltip header

UK video forecast

Nearest forecasts

More from the Met Office

Causes of climate change

Floods and flooding

UK Snow 2010

Brown ocean effect

The storm that shaped the Shipping Forecast

4 tips for staying safe in ice

Website feedback