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Weather in Castellanza, Italy 🇮🇹

Weather Forecast in Castellanza

Current Weather in Castellanza

Allerta Onda Di Calore Giallo per l'Italia - Umbria
Partly cloudy
33°C
Feels like 32°C. Partly cloudy.
🌬️ 4 km/h S
💧 36% Humidity
🧭 1011 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 7.2
🌡️ Dew Point: 11°C
🌅 Sunrise: 05:52 AM
🌇 Sunset: 09:08 PM
Map Overlays:

In Castellanza right now it is 33°C and partly cloudy, feeling like 32°C. Humidity is 36% with winds around 4 km/h, and the UV index is 7 (high). Over the next few days, temperatures in Castellanza range from about 18°C to 36°C. ⚠️ Allerta Onda Di Calore Giallo per l'Italia - Umbria

Hourly Forecast for Castellanza

16:00
Sunny
36°
1%
17:00
Sunny
36°
1%
18:00
Sunny
36°
1%
19:00
Sunny
34°
1%
20:00
Sunny
32°
1%
21:00
Patchy rain nearby
28°
17%
22:00
Patchy rain nearby
26°
17%
23:00
Patchy rain nearby
24°
18%
00:00
Patchy rain nearby
24°
28%
01:00
Patchy light rain in area with thunder
22°
61%
02:00
Patchy rain nearby
20°
37%
03:00
Patchy light rain in area with thunder
19°
70%
04:00
Patchy rain nearby
19°
44%
05:00
Patchy rain nearby
18°
60%
06:00
Patchy rain nearby
18°
37%
07:00
Patchy rain nearby
18°
27%
08:00
Patchy rain nearby
20°
22%
09:00
Sunny
22°
7%
10:00
Sunny
25°
4%
11:00
Sunny
28°
2%
12:00
Sunny
29°
2%
13:00
Sunny
31°
1%
14:00
Sunny
32°
1%
15:00
Sunny
33°
1%

14-Day Forecast for Castellanza

Sat, Jul 18
Sunny Sunny
36° / 21°
Sun, Jul 19
Sunny Sunny
34° / 18°
Mon, Jul 20
Patchy rain nearby Patchy rain nearby
33° / 18°
Tue, Jul 21
Patchy rain nearby Patchy rain nearby
31° / 16°
Wed, Jul 22
Partly Cloudy Partly Cloudy
30° / 18°
Thu, Jul 23
Sunny Sunny
32° / 18°
Fri, Jul 24
Sunny Sunny
31° / 17°
Sat, Jul 25
Sunny Sunny
33° / 18°
Sun, Jul 26
Sunny Sunny
25° / 16°
Mon, Jul 27
Patchy rain nearby Patchy rain nearby
28° / 16°
Tue, Jul 28
Sunny Sunny
31° / 17°
Wed, Jul 29
Patchy rain nearby Patchy rain nearby
28° / 19°
Thu, Jul 30
Sunny Sunny
32° / 16°
Fri, Jul 31
Sunny Sunny
33° / 20°

Additional Forecasts for Castellanza

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 117.0 μg/m³
O₃ (Ozone) 115.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.8 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 5.3 μg/m³
PM10 (Coarse particles) 7.7 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Italy

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Best Time to Be Outside in Castellanza Tomorrow

There is no good daylight window left in Castellanza today. Tomorrow, the most comfortable window looks like 09:00 to 09:00, when it is around 22°C. It should stay dry through that window. The next likely rain is around 01:00.

Frequently Asked Questions about Weather in Castellanza

What is the temperature in Castellanza right now?

The current temperature in Castellanza is 33°C (92°F), partly cloudy (feels like 32°C).

What's the weather like in Castellanza right now?

Conditions in Castellanza right now: Partly cloudy, humidity 36%, wind 4 km/h S.

What is today's forecast for Castellanza?

Today in Castellanza: high 36°C, low 21°C, sunny. Chance of rain: 36%.

What is the 7-day weather forecast for Castellanza?

Daily highs and lows for Castellanza:

  • 2026-07-18: 36°C / 21°C
  • 2026-07-19: 34°C / 18°C
  • 2026-07-20: 33°C / 18°C
  • 2026-07-21: 31°C / 16°C
  • 2026-07-22: 30°C / 18°C
  • 2026-07-23: 32°C / 18°C
  • 2026-07-24: 31°C / 17°C
Is it going to rain in Castellanza today?

There is a 36% chance of rain in Castellanza today. Total expected precipitation: 0.4 mm.

What is the wind speed in Castellanza right now?

Wind in Castellanza is currently 4 km/h (2 mph) from the S.

What is the UV index in Castellanza right now?

The UV index in Castellanza is currently 7.2 (high). Sun protection is recommended when the index is 3 or higher.

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