AQI

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Siena Weather Conditions
Current Temperature Level

20°C

25°C17°C

Cool

Clear

Feels Like 20°C

Chances of Rain4%

12AQI

Clean air.

Humidity

83%

High humidity may cause discomfort.

Hourly Daily

Now

18°4%1 AM

20°4%2 AM

17°5%3 AM

17°5%4 AM

17°5%5 AM

17°20%6 AM

17°23%7 AM

18°5%8 AM

20°6%9 AM

22°2%10 AM

23°4%11 AM

24°1%12 PM

24°1%1 PM

25°6%2 PM

24°1%3 PM

24°1%4 PM

24°2%5 PM

24°1%6 PM

23°1%7 PM

23°1%8 PM

21°2%9 PM

19°4%10 PM

19°6%11 PM

18°8%


2026-06-04 00:00	18
2026-06-04 01:00	20
2026-06-04 02:00	17
2026-06-04 03:00	17
2026-06-04 04:00	17
2026-06-04 05:00	17
2026-06-04 06:00	17
2026-06-04 07:00	18
2026-06-04 08:00	20
2026-06-04 09:00	22
2026-06-04 10:00	23
2026-06-04 11:00	24
2026-06-04 12:00	24
2026-06-04 13:00	25
2026-06-04 14:00	24
2026-06-04 15:00	24
2026-06-04 16:00	24
2026-06-04 17:00	24
2026-06-04 18:00	23
2026-06-04 19:00	23
2026-06-04 20:00	21
2026-06-04 21:00	19
2026-06-04 22:00	19
2026-06-04 23:00	18

Skies are likely to remain clear overnight.

Last Updated: 2026-06-04 00:15 (Local Time)

Siena Weather Parameters

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NNE

20°NNE

Direction

10.8km/h

Wind Speed

Gust Speed

6.3m/s

Cloud Cover

Visibility

10km

Precipitation

0mm

Current precipitation chances sit at 0mm

1008

1009

1010

1011

1012

1013

1014

1015

1016

1017

1018

1019

Pressure

1010mb

Current pressure level is a 1010mb.

UV Index

0Low

The present UV index is 0, consider suggestions for the same!

Siena 10-Days Weather Forecast

See Monthly

Today

21 °C

72%

Friday

21 °C

77%

Saturday

20 °C

63%

Sunday

21 °C

62%

Monday

21 °C

63%

Tuesday

22 °C

68%

Wednesday

22 °C

68%

Thursday

23 °C

70%

Friday

22 °C

70%

Saturday

22 °C

68%

Today4 Jun

Partly Cloudy

Periodic cloud cover with temperature at 21 °C. Humidity will be at 72%, and winds will be at 17.6 km/h.

25°C / 17°C

Humi.72 %

Prec.0 mm

Sunrise

05:38 AM

15hrs 11min

Sunset

08:49 PM

Temperature (°C)

12 AMTime11 PM

Time	Temperature (°C)
12 AM	17.7
1 AM	20.4
2 AM	17.3
3 AM	17
4 AM	16.6
5 AM	17
6 AM	16.9
7 AM	18.2
8 AM	20
9 AM	21.5
10 AM	22.7
11 AM	23.6
12 PM	24.3
1 PM	24.8
2 PM	24.1
3 PM	24.2
4 PM	24.2
5 PM	23.8
6 PM	23.2
7 PM	22.5
8 PM	21.4
9 PM	19.3
10 PM	18.7
11 PM	18.4

12 AM

Clear

18 °C

83 %

10.8 kmph / N

Feels 18 °C

Cover 6 %

Visibility 10 km

1 AM

Clear

20 °C

83 %

10.8 kmph / NNE

Feels 18 °C

Cover 0 %

Visibility 10 km

2 AM

Clear

17 °C

84 %

10.1 kmph / NE

Feels 17 °C

Cover 4 %

Visibility 10 km

3 AM

Clear

17 °C

85 %

9 kmph / NE

Feels 17 °C

Cover 4 %

Visibility 10 km

4 AM

Clear

17 °C

86 %

9.7 kmph / NE

Feels 17 °C

Cover 6 %

Visibility 10 km

5 AM

Overcast

17 °C

84 %

10.1 kmph / NE

Feels 17 °C

Cover 93 %

Visibility 10 km

6 AM

Overcast

17 °C

84 %

9 kmph / NNE

Feels 17 °C

Cover 100 %

Visibility 10 km

7 AM

Partly Cloudy

18 °C

79 %

0.3

5.8 kmph / NNE

Feels 18 °C

Cover 32 %

Visibility 10 km

8 AM

Partly Cloudy

20 °C

72 %

1.1

6.1 kmph / NE

Feels 20 °C

Cover 60 %

Visibility 10 km

9 AM

Sunny

22 °C

66 %

2.2

4.3 kmph / ENE

Feels 22 °C

Cover 21 %

Visibility 10 km

10 AM

Cloudy

23 °C

60 %

4.2

1.4 kmph / SSE

Feels 25 °C

Cover 74 %

Visibility 10 km

11 AM

Partly Cloudy

24 °C

56 %

5.9

3.6 kmph / SSW

Feels 25 °C

Cover 27 %

Visibility 10 km

12 PM

Partly Cloudy

24 °C

54 %

7.7

9 kmph / SW

Feels 26 °C

Cover 41 %

Visibility 10 km

1 PM

Overcast

25 °C

52 %

8.8

14.4 kmph / SSW

Feels 26 °C

Cover 100 %

Visibility 10 km

2 PM

Sunny

24 °C

58 %

8.6

17.6 kmph / SSW

Feels 26 °C

Cover 18 %

Visibility 10 km

3 PM

Sunny

24 °C

61 %

7.4

16.6 kmph / SSW

Feels 26 °C

Cover 19 %

Visibility 10 km

4 PM

Partly Cloudy

24 °C

61 %

5.5

14.8 kmph / SSW

Feels 26 °C

Cover 32 %

Visibility 10 km

5 PM

Sunny

24 °C

61 %

3.4

14 kmph / SSW

Feels 25 °C

Cover 18 %

Visibility 10 km

6 PM

Sunny

23 °C

63 %

1.1

13 kmph / SSW

Feels 25 °C

Cover 3 %

Visibility 10 km

7 PM

Sunny

23 °C

68 %

0.6

11.9 kmph / SSW

Feels 25 °C

Cover 0 %

Visibility 10 km

8 PM

Sunny

21 °C

75 %

0.1

8.3 kmph / S

Feels 21 °C

Cover 0 %

Visibility 10 km

9 PM

Clear

19 °C

84 %

8.3 kmph / SSE

Feels 19 °C

Cover 2 %

Visibility 10 km

10 PM

Clear

19 °C

88 %

9.4 kmph / SSE

Feels 19 °C

Cover 3 %

Visibility 10 km

11 PM

Clear

18 °C

90 %

9 kmph / SSE

Feels 18 °C

Cover 17 %

Visibility 10 km

Temp18 °C

ConditionClear

Humidity83 %

Feels18 °C

Cover6 %

Visibility10 km

Wind Speed & Dir.10.8 kmph / N

UV0

Siena 30-Days (June 2026) Weather Forecast

See Hourly

Sun.Mon.Tue.Wed.Thu.Fri.Sat.

26°17°

24°17°

25°19°

4Today

24°17°

25°15°

27°16°

27°18°

28°19°

26°17°

27°18°

28°18°

27°18°

28°18°

29°18°

29°19°

29°20°

29°19°

JuneWeather Overview

	No. of days:
Sunny	6
Cloudy	1
Rainy	23
Snowy	0

No. of days:

Sunny

Cloudy

Rainy

Snowy

The monthly weather averages in Siena consist of 6 sunny days, 1 cloudy days, 23 rainy days, and 0 snowy days.

Siena's Locations Weather Conditions

Locations

Temp

Condition

Humi.

Wind Speed & Direction

Poggibonsi

14 °C

Clear

93%

3.6 kmph / NNE

Ussr

20 °C

Clear

83%

10.8 kmph / NNE

Italy's Hottest Cities - June 2026

Hottest

Coldest

RankCityTemperatureWeather ConditionHumidityUVWind Speed & Dir.Follow

Rome, Lazio

22 °C

Clear

78%

3.6 kmph / NE

Florence, Tuscany

21 °C

Partly Cloudy

83%

4.7 kmph / ENE

Naples, Campania

21 °C

Clear

78%

3.6 kmph / WNW

Benevento, Campania

21 °C

Clear

78%

3.6 kmph / NE

Caserta, Campania

21 °C

Clear

78%

3.6 kmph / NE

Roma, Lazio

21 °C

Clear

83%

3.6 kmph / NNE

Napoli, Campania

21 °C

Clear

73%

3.6 kmph / WSW

Giugliano In Campania, Campania

20 °C

Clear

100%

3.6 kmph / ENE

Siena, Tuscany

20 °C

Clear

83%

10.8 kmph / NNE

10.

Latina, Lazio

20 °C

Clear

83%

3.6 kmph / NNE

Last Updated: 03 Jun 2026, 10:58 PM

City Weather Rankings

FAQs About Siena Weather Conditions

What is the current temperature in Siena today - 04 June 2026?

The current temperature in Siena is 20°C, with a feels-like temperature of 20°C. Today's forecast shows a high of 25°C and a low of 17°C, giving a 8 degree swing through the day as of 12:15 AM 04 June 2026.

What are the current weather parameters in Siena today?

Here is a complete overview of Siena's current weather conditions as of 12:15 AM 04 June 2026: Condition : Clear Temperature : 20°C Cool (Feels like 20°C) Humidity : 83% Wind Speed : 10.8 km/h from NNE (20 degrees), Gust 6.3 m/s UV Index : 0 (Low Air Pressure : 1010 mb Cloud Cover : 0% Visibility : 10 km Precipitation : 0 mm (3% chance of rain)

What is the 10-day weather forecast for Siena from 12:15 AM 04 June 2026?

From 12:15 AM 04 June 2026, Siena's 10-day forecast shows this trend: Today (Jun. 4) : Temp. 21°C, Hum. 72% and Partly Cloudy condition. Friday (Jun. 5) : Temp. 21°C, Hum. 77% and Patchy rain nearby condition. Saturday (Jun. 6) : Temp. 20°C, Hum. 63% and Sunny condition. Sunday (Jun. 7) : Temp. 21°C, Hum. 62% and Sunny condition. Monday (Jun. 8) : Temp. 21°C, Hum. 63% and Sunny condition. Tuesday (Jun. 9) : Temp. 22°C, Hum. 68% and Sunny condition. Wednesday (Jun. 10) : Temp. 22°C, Hum. 68% and Sunny condition. Thursday (Jun. 11) : Temp. 23°C, Hum. 70% and Sunny condition. Friday (Jun. 12) : Temp. 22°C, Hum. 70% and Heavy rain at times condition. Saturday (Jun. 13) : Temp. 22°C, Hum. 68% and Moderate or heavy rain shower condition.

Will it rain in Siena today?

As of 12:15 AM 04 June 2026, there is a 4% chance of rainfall in Siena later today around 2026-06-04 01:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

What is the monthly weather forecast for Siena in June 2026?

June 2026 in Siena is forecast to have 6 sunny days, 23 rainy days, 1 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 15°C to highs of 29°C.

How does the weather in Siena affect air quality?

Weather directly impacts air quality in Siena. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.