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Weather in Koper

September 9, 2026, 04:21
Partly Cloudy
+21°C
Partly Cloudy
Feels like: +24°C

Now in Koper: partly cloudy, +21°C, feels like +24°C. Passing showers are possible within the next hour, 3.9 mm; wind 2 m/s.

Precipitation map
Precipitation map

Now in Koper: partly cloudy, +21°C, feels like +24°C. Passing showers are possible within the next hour, 3.9 mm; wind 2 m/s.

Weather in the next hours

04:00
Partly Cloudy
+21°C
15%
05:00
Moderate or heavy rain shower
+21°C
45%
06:00
Moderate rain
+21°C
70%
07:00
Moderate or heavy rain shower
+22°C
50%
08:00
Light rain
+23°C
20%
09:00
Cloudy
+24°C
15%
10:00
Patchy light rain in area with thunder
+26°C
15%
11:00
Patchy light rain in area with thunder
+27°C
30%
12:00
Patchy light rain in area with thunder
+27°C
40%
13:00
Patchy light rain in area with thunder
+27°C
35%
14:00
Patchy light rain in area with thunder
+27°C
55%
15:00
Patchy light rain in area with thunder
+27°C
55%
16:00
Moderate or heavy rain in area with thunder
+26°C
65%
17:00
Patchy light rain in area with thunder
+26°C
60%
18:00
Patchy light rain in area with thunder
+25°C
15%
19:00
Patchy light rain in area with thunder
+24°C
25%
20:00
Patchy light rain in area with thunder
+23°C
55%
21:00
Moderate or heavy rain in area with thunder
+22°C
75%
22:00
Moderate or heavy rain shower
+21°C
65%
23:00
Moderate rain
+21°C
75%
00:00
Moderate or heavy rain shower
+21°C
65%
01:00
Moderate or heavy rain shower
+21°C
55%
Sea temperature
+27°C
Warm water

The water is warm.

Cool Mild Warm

Forecast for the next 22 hours

Today

Sep 9

04:00
Partly Cloudy
+21°C
15%
2 m/s
70%
758
2 m/s
↖← ESE
mmHg

Partly Cloudy

Feels like +24°C
Precipitation amount 0 mm
Humidity 70%
Cloud cover 30%
Pressure 758 mmHg
Visibility 16 km
UV index 0 points
05:00
Moderate or heavy rain shower
+21°C
45%
2 m/s
70%
758
3 m/s
↖← ESE
mmHg

Moderate or heavy rain shower

Feels like +24°C
Precipitation amount 0.9 mm
Humidity 70%
Cloud cover 99%
Pressure 758 mmHg
Visibility 16 km
UV index 0 points
06:00
Moderate rain
+21°C
70%
2 m/s
70%
758
3 m/s
↖← ESE
mmHg

Moderate rain

Feels like +24°C
Precipitation amount 2 mm
Humidity 70%
Cloud cover 94%
Pressure 758 mmHg
Visibility 16 km
UV index 0 points
07:00
Moderate or heavy rain shower
+22°C
50%
2 m/s
69%
758
4 m/s
↖← ESE
mmHg

Moderate or heavy rain shower

Feels like +25°C
Precipitation amount 0.8 mm
Humidity 69%
Cloud cover 83%
Pressure 758 mmHg
Visibility 16 km
UV index 0 points
08:00
Light rain
+23°C
20%
2 m/s
68%
758
5 m/s
↙← ENE
mmHg

Light rain

Feels like +25°C
Precipitation amount 0.2 mm
Humidity 68%
Cloud cover 72%
Pressure 758 mmHg
Visibility 16 km
UV index 0 points
Hour
Temp
Feels like
Rain chance
Wind
Gusts
Precip. amt.
Humidity
Clouds
Pressure
Visibility
UV index
Now
Partly Cloudy
Cloudy
+21°C
+24°C
15%
2 m/s ↖← ESE
2 m/s
0 mm
70%
30%
758 mmHg
16 km
0 points
05:00
Moderate or heavy rain shower
Rain
Rain risk
+21°C
+24°C
45%
2 m/s ↖← ESE
3 m/s
0.9 mm
70%
99%
758 mmHg
16 km
0 points
06:00
Moderate rain
Rain
Rain risk
+21°C
+24°C
70%
2 m/s ↖← ESE
3 m/s
2 mm
70%
94%
758 mmHg
16 km
0 points
07:00
Moderate or heavy rain shower
Rain
Rain risk
+22°C
+25°C
50%
2 m/s ↖← ESE
4 m/s
0.8 mm
69%
83%
758 mmHg
16 km
0 points
08:00
Light rain
Rain
+23°C
+25°C
20%
2 m/s ↙← ENE
5 m/s
0.2 mm
68%
72%
758 mmHg
16 km
0 points
09:00
Cloudy
Cloudy
Comfortable
+24°C
+26°C
15%
1 m/s ↖← ESE
4 m/s
0.1 mm
68%
69%
758 mmHg
16 km
0 points
10:00
Patchy light rain in area with thunder
Thunder
Rain risk Comfortable
+26°C
+27°C
15%
2 m/s ↖ SE
5 m/s
0 mm
64%
78%
758 mmHg
16 km
1 point
11:00
Patchy light rain in area with thunder
Thunder
Rain risk Windy
+27°C
+28°C
30%
3 m/s ↑↖ SSE
8 m/s
0.3 mm
62%
90%
758 mmHg
16 km
1 point
12:00
Patchy light rain in area with thunder
Thunder
Rain risk Windy
+27°C
+29°C
40%
2 m/s ↑↖ SSE
7 m/s
0.6 mm
61%
91%
758 mmHg
16 km
2 points
13:00
Patchy light rain in area with thunder
Thunder
Rain risk Windy
+27°C
+29°C
35%
3 m/s ↑ S
6 m/s
0.5 mm
60%
89%
758 mmHg
16 km
2 points
14:00
Patchy light rain in area with thunder
Thunder
Rain risk
+27°C
+29°C
55%
2 m/s ↑ S
4 m/s
0.9 mm
60%
97%
758 mmHg
16 km
1 point
15:00
Patchy light rain in area with thunder
Thunder
Rain risk Windy
+27°C
+28°C
55%
2 m/s ↑ S
7 m/s
0.9 mm
64%
97%
758 mmHg
16 km
1 point
16:00
Moderate or heavy rain in area with thunder
Thunder
Rain risk
+26°C
+28°C
65%
2 m/s ↗ SW
5 m/s
1.3 mm
66%
86%
758 mmHg
16 km
1 point
17:00
Patchy light rain in area with thunder
Thunder
Rain risk
+26°C
+27°C
60%
1 m/s ↑ S
4 m/s
1.2 mm
68%
70%
758 mmHg
16 km
0 points
18:00
Patchy light rain in area with thunder
Thunder
Rain risk Comfortable
+25°C
+27°C
15%
1 m/s ↑↗ SSW
2 m/s
0.1 mm
71%
91%
758 mmHg
16 km
0 points
19:00
Patchy light rain in area with thunder
Thunder
Rain risk
+24°C
+26°C
25%
1 m/s ↑↖ SSE
2 m/s
0.2 mm
74%
99%
758 mmHg
16 km
0 points
20:00
Patchy light rain in area with thunder
Thunder
Rain risk
+23°C
+25°C
55%
1 m/s ↖← ESE
2 m/s
0.9 mm
77%
95%
758 mmHg
16 km
0 points
21:00
Moderate or heavy rain in area with thunder
Thunder
Rain risk
+22°C
+24°C
75%
1 m/s ← E
3 m/s
2.4 mm
85%
98%
758 mmHg
11 km
0 points
22:00
Moderate or heavy rain shower
Rain
Rain risk
+21°C
+24°C
65%
1 m/s ↖← ESE
4 m/s
1.6 mm
86%
99%
759 mmHg
11 km
0 points
23:00
Moderate rain
Rain
Rain risk
+21°C
+24°C
75%
1 m/s ← E
4 m/s
2.4 mm
87%
93%
759 mmHg
14 km
0 points
Tomorrow
Moderate or heavy rain shower
Rain
Rain risk
+21°C
+24°C
65%
2 m/s ← E
2 m/s
1.4 mm
87%
99%
759 mmHg
16 km
0 points
01:00
Moderate or heavy rain shower
Rain
Rain risk
+21°C
+24°C
55%
2 m/s ↙← ENE
3 m/s
0.9 mm
86%
98%
760 mmHg
16 km
0 points
Sun and UV

Daylight

UV 0 points Low
Sunrise 06:35
Sunset 19:28
Daylight 12 hours 52 min Solar noon 13:02
Moon
Waning Crescent
Rise04:23 Set18:47 Illumination5% PhaseWaning
Now 14 days Month
September October November December January February March April May June July August

Next days

14-day view
Date
Today
Tomorrow
Day after tomorrow
Saturday
Sunday
Monday
Tuesday
Wednesday
Day
Night
Sea t°
Rain
Wind
Press.
Hum.
Feels like
UV
Clouds
Visibility
Gusts
Moderate or heavy rain in area with thunder +27°C
Patchy light rain in area with thunder +20°C
+27°C
75% 25 mm
4 m/s ↑↖ SSE
758 mmHg
66%
day +29°C / night +24°C
2 points
99%
16 km
9 m/s ↑↖ SSE
Moderate or heavy rain in area with thunder +22°C
Patchy light rain in area with thunder +18°C
+26°C
75% 62 mm
4 m/s ↙← ENE
No data
75%
day +25°C / night +18°C
1 point
100%
No data
7 m/s ↙← ENE
Moderate rain +23°C
Cloudy +18°C
+26°C
70% 13 mm
3 m/s ↙← ENE
No data
70%
day +25°C / night +18°C
2 points
97%
No data
6 m/s ↙← ENE
Patchy light rain in area with thunder +25°C
Partly Cloudy +18°C
+25°C
15% 0.2 mm
5 m/s ↙← ENE
No data
51%
day +26°C / night +18°C
2 points
100%
No data
8 m/s ↙← ENE
Patchy light rain in area with thunder +26°C
Cloudy +17°C
+25°C
15% 0.1 mm
4 m/s ↙← ENE
No data
43%
day +26°C / night +17°C
5 points
32%
No data
6 m/s ↙← ENE
Partly Cloudy +27°C
Partly Cloudy +17°C
+25°C
5% 0 mm
3 m/s ↙ NE
No data
44%
day +27°C / night +17°C
4 points
43%
No data
6 m/s ↙ NE
Sunny +28°C
Clear +17°C
+25°C
0% 0 mm
2 m/s ↓↙ NNE
No data
45%
day +28°C / night +17°C
5 points
20%
No data
4 m/s ↓↙ NNE
Sunny +28°C
Moderate rain +18°C
+26°C
75% 6 mm
4 m/s ↘→ NNW
No data
50%
day +28°C / night +18°C
5 points
31%
No data
5 m/s ↘→ NNW

Koper weather forecasts

Quick links to the 14-day forecast, monthly forecast and weather by month.

Weather in Koper for 14 days Air and sea temperature, precipitation, wind and trends for the next few days. Weather in Koper for a month Daily 30-day forecast with daytime, nighttime and sea temperatures. Weather in Koper in September Monthly climate with air and sea temperature, precipitation and yearly statistics.

Weather questions for Koper

Short answers about current weather, rain, wind and the next few days.

What is the weather in Koper now?

Now in Koper: partly cloudy, +21°C, feels like +24°C. Wind 2 m/s.

Will it rain in Koper today?

Today's forecast gives a maximum precipitation chance of 75% and a daily total of 17.2 mm.

What is the sea temperature in Koper?

Sea water is +27°C now. The water is warm.

How will the weather change in Koper over the next few days?

Over the next few days expect +22°C…+27°C by day and +17°C…+20°C at night; precipitation chance up to 75%, wind up to 5 m/s.

What does the weather feel like in Koper today?

Right now it is +21°C, feels like +24°C; wind 2 m/s. Passing showers are possible within the next hour.