🇮🇹 Weather in Trieste
Map Overlays:
Hourly Forecast for Trieste
22:00
9°
10%
23:00
9°
10%
00:00
9°
10%
01:00
9°
10%
02:00
9°
10%
03:00
9°
10%
04:00
8°
9%
05:00
8°
9%
06:00
8°
9%
07:00
8°
9%
08:00
8°
9%
09:00
12°
6%
10:00
14°
3%
11:00
16°
2%
12:00
16°
1%
13:00
17°
1%
14:00
18°
1%
15:00
18°
1%
16:00
18°
1%
17:00
17°
2%
18:00
14°
3%
19:00
12°
4%
20:00
11°
5%
21:00
10°
17%
14-Day Forecast for Trieste
2026-10-12
Sunny
16° /
9°
2026-10-13
Sunny
18° /
8°
2026-10-14
Sunny
19° /
9°
2026-10-15
Overcast
21° /
10°
2026-10-16
Overcast
21° /
11°
2026-10-17
Sunny
20° /
10°
2026-10-18
Overcast
18° /
9°
Additional Forecasts for Trieste
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 157.0 μg/m³
O₃ (Ozone) 68.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.1 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 3.4 μg/m³
PM10 (Coarse particles) 4.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Italy
Weather in Trieste — FAQ
Answers refreshed each request based on current conditions in Trieste.
What is the weather like right now in Trieste?
Right now in Trieste, Italy the temperature is 9.8°C (feels like 7.9°C), with clear. Relative humidity is 80% and wind is 11.2 km/h.
What is today's high and low temperature in Trieste?
Today's forecast high in Trieste is 16.3°C and the overnight low is 9.3°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Trieste today?
The chance of precipitation in Trieste today is 64%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Trieste differ from nearby cities?
Even short distances can change temperatures noticeably. Trieste's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.