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
25th Aug
25

23

2

5
Wednesday
26th Aug
28

22

11

6
Thursday
27th Aug
30

23

11

6
Friday
28th Aug
32

25

8

4
Saturday
29th Aug
29

25

6

5

5-day weather forecast updated at 04:00 on Tuesday 25th August 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 25th August 2026

Expect isolated thunderstorms in Trieste, Italy with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 81% chance of some rain and a light breeze of 9 kph from the east.

25
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
81
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
9
kph wind from E

Trieste weather for Wednesday 26th August 2026

Expect scattered clouds in Trieste, Italy with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

28
°C maximum temperature
22
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
6
kph wind from E

Trieste weather for Thursday 27th August 2026

Expect scattered clouds in Trieste, Italy with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

30
°C maximum temperature
23
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from E

Trieste weather for Friday 28th August 2026

Expect scattered clouds in Trieste, Italy with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

32
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SW

Trieste weather for Saturday 29th August 2026

Expect isolated thunderstorms in Trieste, Italy with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a light breeze of 9 kph from the east.