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Weather in Trieste for October 2026

Your guide to Trieste weather in October - trends and predictions

    Official Weather Alert ⚠️

  • Yellow warning – dense fog - See hour by hour.

    • Temperatures

  • So far, October 2026 in Trieste is slightly warmer than the historical average by 2 °C.

  • The forecast for the upcoming days in Trieste predicts a temperature of 17.7 °C, which is slightly above the historical average.

  • In general, the average temperature in Trieste at the beginning of October is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °C by the end of October.

    • Rain 🌧️

  • The climate of Trieste in October is notably wet, with an average of 11 rainy days, and a total of 135.7 mm of precipitation.

    • More

  • Is October a good time to visit Trieste? check out the best time to travel to Trieste page.

  • ✨ Is October a good time to visit Trieste? – Ask the AI Weatherman

Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/12°
Temperatures
Average wind speed
7 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Trieste Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
21°
2
Light rain
21°
3
Light rain
21°
4
Light rain
20°
5
Light rain
19°
6
Overcast
20°
7
Sunny
21°
8
Light rain
21°
9
Patchy rain possible
22°
10
Light rain
22°
11
Sunny
22°
12
Patchy rain possible
21°
13
Partly cloudy
20°
14
Patchy rain possible
21°
15
Light rain shower
20°
16
Light rain
19°
17
Sunny
19°
18
Light rain
18°
19
Moderate rain
17°
20
Moderate rain
17°
21
Moderate rain
19°
22
Patchy rain possible
19°
23
Light rain
16°
24
Light rain
15°
25
Patchy rain possible
17°
26
Weather Alert Sunny
16°
27
Weather Alert Sunny
18°
28
Weather Alert Overcast
18°
29
Smoky haze
19°
30
Smoky haze
18°
31
Sunny
17°

Temperatures trend during October in Trieste

See the weather trend as well as the moving average line

October weather in Trieste day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Sunny
Sunny
 21° /14° 0.5 mm 4
2 Oct. Light rain
Light rain
 21° /14° 2.5 mm 4
3 Oct. Light rain
Light rain
 21° /13° 7.6 mm 4.2
4 Oct. Light rain
Light rain
 20° /11° 8 mm 4
5 Oct. Light rain
Light rain
 19° /12° 6.6 mm 4
6 Oct. Overcast
Overcast
 20° /11° 0 mm 3.9
7 Oct. Sunny
Sunny
 21° /11° 0.6 mm 3.8
8 Oct. Light rain
Light rain
 21° /14° 9.4 mm 3.7
9 Oct. Patchy rain possible
Patchy rain possible
 22° /13° 1.3 mm 3.7
10 Oct. Light rain
Light rain
 22° /13° 2.7 mm 3.6
11 Oct. Sunny
Sunny
 22° /14° 0.2 mm 3.5
12 Oct. Patchy rain possible
Patchy rain possible
 21° /13° 1 mm 3.4
13 Oct. Partly cloudy
Partly cloudy
 20° /13° 0 mm 3.4
14 Oct. Patchy rain possible
Patchy rain possible
 21° /12° 0.1 mm 3.3
15 Oct. Light rain shower
Light rain shower
 20° /11° 1 mm 3.2
16 Oct. Light rain
Light rain
 19° /11° 4.4 mm 3.1
17 Oct. Sunny
Sunny
 19° /12° 0.4 mm 3.1
18 Oct. Light rain
Light rain
 18° /11° 6.3 mm 3
19 Oct. Moderate rain
Moderate rain
 17° /12° 17.5 mm 2.9
20 Oct. Moderate rain
Moderate rain
 17° /12° 10.4 mm 2.9
21 Oct. Moderate rain
Moderate rain
 19° /13° 13.9 mm 2.8
22 Oct. Patchy rain possible
Patchy rain possible
 19° /12° 0.8 mm 2.7
23 Oct. Light rain
Light rain
 16° /11° 9.7 mm 2.7
24 Oct. Light rain
Light rain
 15° /10° 6.7 mm 2.6
25 Oct. Patchy rain possible
Patchy rain possible
 17° /10° 0.2 mm 2.6
26 Oct. Sunny
Sunny
 16° /6° 0 mm 2.2
27 Oct. Sunny
Sunny
 18° /7° 0 mm 2.6
28 Oct. Overcast
Overcast
 18° /8° 0 mm 2.3
29 Oct. Smoky haze
Smoky haze
 19° /10° 0.1 mm 2
30 Oct. Smoky haze
Smoky haze
 18° /8° 0 mm 5
31 Oct. Sunny
Sunny
 17° /8° 0 mm 5
Next
Important Notice
Our weather forecast for Trieste in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trieste forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Trieste weather in October vs September vs November

Compare October weather in Trieste with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
SeptemberOctoberNovember
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures25°/15°19°/12°12°/6°
Rainfall105 mm136 mm58 mm
Wind8.1 km/h7.2 km/h6.3 km/h
Humidity66%72%68%
Rainy days11 days11 days7 days
Dry days19 days20 days23 days

Planning a trip to Trieste? Discover the best time to visit

Trieste in October - FAQ

What are the expected maximum and minimum temperatures in Trieste during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Trieste during October?
Significant rainfall exceeding 135.7 mm is expected in Trieste during October, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Trieste during October?
The average wind speed in Trieste during October is 7 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Trieste

Explore the daily rainfall trends and prepare for Triestes October weather 💧
Typically, Trieste has 11 rainy days in October with a total of 135.7 mm of rainfall.

UV exposure in Trieste during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

What to pack to Trieste in October?

🌦️ Mild · highs around 19 °C, frequent showers

As you prepare for your trip to Trieste in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Trieste, during October, is comfortable and enjoyable, regardless of the weather conditions.

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🧥 Clothing

👟 Footwear

🎒 Accessories

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Get accurate weather forecasts for Trieste, located at latitude 45.598 and longitude 11.64. Stay updated with localized weather information tailored for Trieste.

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