Trieste weather live forecast

Today's maximum temperature in Trieste is expected to be 25°C. Select a day from the live weather forecast for Trieste, Italy for more weather parameters.

Tuesday
29th Sep
25

19

10

4
Wednesday
30th Sep
25

18

8

4
Thursday
1st Oct
25

18

10

4
Friday
2nd Oct
25

18

8

4
Saturday
3rd Oct
25

17

12

4

5-day weather forecast updated at 04:00 on Tuesday 29th September 2026 GMT

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The 5-day weather forecast for Italy (Trieste) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Trieste weather forecast by day

Below are the detailed weather forecasts for Trieste for the next 5 days.

Trieste weather for Tuesday 29th September 2026

Expect clear skies in Trieste, Italy with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

25
°C maximum temperature
19
°C minimum temperature
clear skies
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from E

Trieste weather for Wednesday 30th September 2026

Expect scattered clouds in Trieste, Italy with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

25
°C maximum temperature
18
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from E

Trieste weather for Thursday 1st October 2026

Expect scattered clouds in Trieste, Italy with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

25
°C maximum temperature
18
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from E

Trieste weather for Friday 2nd October 2026

25
°C maximum temperature
18
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from E

Trieste weather for Saturday 3rd October 2026

Expect clear skies in Trieste, Italy with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.