Trieste weather live forecast

Today's maximum temperature in Trieste is expected to be 21°C. Select a day from the live weather forecast for Trieste, Italy for more weather parameters.

Saturday
9th May
21

14

14

5
Sunday
10th May
21

15

3

4
Monday
11th May
18

17

2

5
Tuesday
12th May
16

11

0

5
Wednesday
13th May
16

9

15

6

5-day weather forecast updated at 04:01 on Saturday 9th May 2026 GMT

More about Trieste

Trieste by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Italy

Pierre & Vacances: Latest special offers on holidays

Sale

Save on 2026 holidays with latest Pierre & Vacances deals
Offers on beach, mountain, countryside & ski destinations
Book breaks to France, across Europe & beyond

Go to Pierre & Vacances deal >>

View all Pierre & Vacances offers

Holiday accomodation

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 Saturday 9th May 2026

Expect clear skies in Trieste, Italy with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

21
°C maximum temperature
14
°C minimum temperature
clear skies
14
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from W

Trieste weather for Sunday 10th May 2026

Expect broken clouds in Trieste, Italy with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

21
°C maximum temperature
15
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
8
kph wind from E

Trieste weather for Monday 11th May 2026

Expect isolated thunderstorms in Trieste, Italy with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 15 kph from the south.

18
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
96
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Trieste weather for Tuesday 12th May 2026

Expect isolated thunderstorms in Trieste, Italy with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 16 kph from the north-east.

16
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
5
UV index (Moderate)
78
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
16
kph wind from NE

Trieste weather for Wednesday 13th May 2026

Expect sunshine and showers in Trieste, Italy with a maximum temperature of 16°C, maximum UV of 6 (High) and 15 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a light breeze of 9 kph from the east.