Live Weather & Forecast
Weather in Siero
Asturias, Spain · Real-time conditions & 3-day outlook
14°C
Feels like 15°C
57°F / Feels 59°F
Mist
Siero, Asturias
🌙 Nighttime
Updated: 2026-04-16 22:45
Humidity
94%
Wind
3.6 km/h NNE
Wind Gust
3.6 km/h
Pressure
1022 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
10.8°C
Wind Degree
17°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
121.9 μg/m³
NO₂
3.4 μg/m³
O₃
78 μg/m³
SO₂
1.5 μg/m³
PM 2.5
7.1 μg/m³
PM 10
10.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Siero, Asturias
12 AM
12°
Patchy rain nearby
1 AM
12°
Patchy rain nearby
2 AM
12°
Patchy rain nearby
3 AM
12°
Patchy rain nearby
4 AM
12°
Mist
5 AM
12°
Mist
6 AM
12°
Mist
7 AM
12°
Mist
8 AM
12°
Mist
9 AM
12°
Mist
10 AM
12°
Patchy rain nearby
11 AM
13°
Patchy rain nearby
12 PM
14°
Patchy rain nearby
1 PM
16°
Patchy rain nearby
2 PM
17°
Patchy rain nearby
3 PM
17°
Patchy rain nearby
4 PM
16°
Partly Cloudy
5 PM
17°
Partly Cloudy
6 PM
16°
Partly Cloudy
7 PM
16°
Partly Cloudy
8 PM
15°
Partly Cloudy
9 PM
12°
Partly Cloudy
10 PM
14°
Mist
11 PM
11°
Mist
3-Day Forecast
Daily overview for Siero, Asturias
Today
Patchy rain nearby
17°
/
11°
🌧️ 85% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 8.3 km/h
🌧️ Total precip: 0.32 mm
☀️ UV Index: 1.2
🌅 Sunrise: 07:39 AM
🌇 Sunset: 09:07 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
18°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 07:37 AM
🌇 Sunset: 09:08 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Patchy rain nearby
16°
/
10°
🌧️ 81% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 3.23 mm
☀️ UV Index: 1.2
🌅 Sunrise: 07:36 AM
🌇 Sunset: 09:09 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Siero
Plan your trip to Siero, Spain around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Siero?
Current conditions in Siero: Mist, temperature 14°C, humidity 94%.
What is the best time to visit Siero?
The best time to visit Siero is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Siero?
Siero is located at approximately 43.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Siero?
The wettest period in Siero is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Siero?
For visits to Siero during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Siero in 2026?
View the 2026 public holidays for Siero on our Holidays page.
What are the GPS coordinates used for the weather forecast in Siero?
The weather forecast for Siero uses coordinates 43.3953, -5.6357.