Trieste weather live forecast

Today's maximum temperature in Trieste is expected to be 55°F. Select a day from the live weather forecast for Trieste, Italy for more weather parameters.

Tuesday
16th Dec
55

50

1

1
Wednesday
17th Dec
55

54

1

1
Thursday
18th Dec
55

55

0

0
Friday
19th Dec
55

54

0

0
Saturday
20th Dec
57

52

8

0

5-day weather forecast updated at 04:01 on Monday 15th December 2025 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 16th December 2025

Expect broken clouds in Trieste, Italy with a maximum temperature of 55°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the north-east.

55
°F maximum temperature
50
°F minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
55
°F wind chill
4
mph wind from NE

Trieste weather for Wednesday 17th December 2025

Expect mostly cloudy with rain in Trieste, Italy with a maximum temperature of 55°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a light breeze of 4 mph from the east.

55
°F maximum temperature
54
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
74
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
4
mph wind from E

Trieste weather for Thursday 18th December 2025

Expect broken clouds in Trieste, Italy with a maximum temperature of 55°F and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the south.

55
°F maximum temperature
55
°F minimum temperature
broken clouds
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
0
no heat & humidity
2
mph wind from S

Trieste weather for Friday 19th December 2025

Expect broken clouds in Trieste, Italy with a maximum temperature of 55°F and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-east.

55
°F maximum temperature
54
°F minimum temperature
broken clouds
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
0
no heat & humidity
2
mph wind from NE

Trieste weather for Saturday 20th December 2025

Expect scattered clouds in Trieste, Italy with a maximum temperature of 57°F and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the east.