🇩🇪 Weather in Hennef (Sieg)
Map Overlays:
Hourly Forecast for Hennef (Sieg)
10:00
20°
0%
11:00
22°
0%
12:00
23°
0%
13:00
24°
0%
14:00
25°
0%
15:00
26°
0%
16:00
26°
0%
17:00
26°
0%
18:00
26°
0%
19:00
25°
0%
20:00
22°
0%
21:00
18°
0%
22:00
16°
0%
23:00
15°
0%
00:00
14°
0%
01:00
14°
0%
02:00
13°
0%
03:00
13°
0%
04:00
12°
0%
05:00
12°
0%
06:00
12°
0%
07:00
14°
0%
08:00
18°
0%
09:00
20°
0%
14-Day Forecast for Hennef (Sieg)
Thu, May 28
Sunny
26° /
11°
Fri, May 29
Patchy rain nearby
30° /
12°
Sat, May 30
Patchy rain nearby
26° /
16°
Sun, May 31
Moderate rain
23° /
14°
Mon, Jun 01
Patchy rain nearby
22° /
10°
Tue, Jun 02
Patchy rain nearby
21° /
12°
Wed, Jun 03
Patchy rain nearby
22° /
14°
Thu, Jun 04
Patchy rain nearby
16° /
12°
Fri, Jun 05
Partly Cloudy
20° /
9°
Sat, Jun 06
Partly Cloudy
22° /
9°
Sun, Jun 07
Patchy rain nearby
19° /
12°
Mon, Jun 08
Patchy rain nearby
20° /
12°
Tue, Jun 09
Patchy rain nearby
14° /
9°
Wed, Jun 10
Patchy rain nearby
12° /
8°
Additional Forecasts for Hennef (Sieg)
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 141.8 μg/m³
O₃ (Ozone) 39.0 μg/m³
NO₂ (Nitrogen Dioxide) 12.1 μg/m³
SO₂ (Sulphur Dioxide) 1.8 μg/m³
PM2.5 (Fine particles) 6.5 μg/m³
PM10 (Coarse particles) 10.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Germany
Frequently Asked Questions about Weather in Hennef (Sieg)
What is the temperature in Hennef (Sieg) right now?
The current temperature in Hennef (Sieg) is 17°C (63°F), sunny (feels like 17°C).
What's the weather like in Hennef (Sieg) right now?
Conditions in Hennef (Sieg) right now: Sunny, humidity 59%, wind 4 km/h ENE.
What is today's forecast for Hennef (Sieg)?
Today in Hennef (Sieg): high 26°C, low 11°C, sunny. Chance of rain: 0%.
What is the 7-day weather forecast for Hennef (Sieg)?
Daily highs and lows for Hennef (Sieg):
- 2026-05-28: 26°C / 11°C
- 2026-05-29: 30°C / 12°C
- 2026-05-30: 26°C / 16°C
- 2026-05-31: 23°C / 14°C
- 2026-06-01: 22°C / 10°C
- 2026-06-02: 21°C / 12°C
- 2026-06-03: 22°C / 14°C
Is it going to rain in Hennef (Sieg) today?
There is a 0% chance of rain in Hennef (Sieg) today.
What is the wind speed in Hennef (Sieg) right now?
Wind in Hennef (Sieg) is currently 4 km/h (2 mph) from the ENE.
What is the UV index in Hennef (Sieg) right now?
The UV index in Hennef (Sieg) is currently 1.9 (low). Sun protection is recommended when the index is 3 or higher.
