Hennef (Sieg) Weather Today · 7-Day Forecast
Broken Cloud Under the Moon
Changeable skies expected — a day for both sun hat and coat.
Warmest Wednesday at 14° · coldest night Saturday at -1°
The short of it: Hennef (Sieg) weather on Monday, 9 November 2026: local time, 8 °C (46 °F) with partly cloudy skies, feeling like 6 °C (43 °F). Today’s high 9 °C (49 °F), low 2 °C (35 °F). No rain expected in the next 24 hours. Notices: fog advisory, frost possible, glass falling. Source: Wanted Weather forecast service (global weather models), updated 17:00 local time.
HENNEF (SIEG), Monday. — Folk about town may expect fog today, the mercury reaching near 9° and falling to 2° after dark. That is about what a November day usually brings here, where the long-run average high is 10°. Barely a breath of wind stirs from the ESE, gusting to 9 km/h, and the glass holds steady.
Of the 7 days ahead, Wednesday looks the finest at near 14°, while Saturday night will be the coldest at -1°. Rain or snow is due on 1 of them, some 5.9 mm in all. Those keeping stock should see to the water troughs, for ice is likely.
By the Almanac's reckoning, November in Hennef (Sieg) runs from 4° at night to 10° by day, with some 68 mm of rain. July is the warmest month here at 25°, February the coldest at 0°, and July the wettest with 93 mm. Snow usually lies on the ground from December to February. The best months to ride in are May and September.
The sun is up 9 h 16 min today, and the days are shortening by about 3 minutes each. The station stands 111 m above the sea.
The Hours to Come
Temperature by the hour · rain & snow in the hour beneathThe hour-by-hour ledger
| Hour | Sky | Temp | Feels | Wind | Rain |
|---|---|---|---|---|---|
| Now | Partly cloudy | 8° | 6° | 3 km/h | – |
| 6 PM | Partly cloudy | 7° | 5° | 3 km/h | – |
| 7 PM | Partly cloudy | 6° | 4° | 2 km/h | – |
| 8 PM | Partly cloudy | 5° | 4° | 2 km/h | – |
| 9 PM | Partly cloudy | 5° | 3° | 2 km/h | – |
| 10 PM | Fog | 4° | 2° | 2 km/h | – |
| 11 PM | Fog | 4° | 2° | 2 km/h | – |
| 12 AM | Fog | 3° | 1° | 2 km/h | – |
| 1 AM | Fog | 3° | 1° | 2 km/h | – |
| 2 AM | Fog | 3° | 0° | 2 km/h | – |
| 3 AM | Fog | 2° | 0° | 2 km/h | – |
| 4 AM | Fog | 2° | -1° | 3 km/h | – |
| 5 AM | Fog | 1° | -1° | 3 km/h | – |
| 6 AM | Fog | 1° | -2° | 3 km/h | – |
| 7 AM | Fog | 1° | -2° | 3 km/h | – |
| 8 AM | Fog | 0° | -2° | 3 km/h | – |
| 9 AM | Fog | 2° | -1° | 3 km/h | – |
| 10 AM | Partly cloudy | 4° | 1° | 4 km/h | – |
| 11 AM | Partly cloudy | 6° | 4° | 4 km/h | – |
| 12 PM | Overcast | 8° | 5° | 6 km/h | – |
| 1 PM | Overcast | 9° | 6° | 7 km/h | – |
| 2 PM | Overcast | 9° | 6° | 8 km/h | – |
| 3 PM | Overcast | 9° | 6° | 8 km/h | – |
| 4 PM | Overcast | 9° | 5° | 7 km/h | – |
Seven-Day Outlook · Classified
Highs in large type · pick a dayToday (Nov 9): fog, high 9°, low 2°, dry, gusts to 14 km/h. Sun up 7:36 AM, down 4:52 PM. Sight is poor. Travellers urged to go slow and light their lanterns.
Tuesday (Nov 10): light rain, high 9°, low 0°, 0.7 mm of rain, gusts to 19 km/h. Sun up 7:37 AM, down 4:51 PM. A gentle rain falls over the district. Keep under a roof if you can.
Wednesday (Nov 11): light showers, high 14°, low 7°, 4.6 mm of rain, gusts to 17 km/h. Sun up 7:39 AM, down 4:49 PM. Short showers cross the fields. The sun returns soon after.
Thursday (Nov 12): drizzle, high 9°, low 3°, 0.6 mm of rain, gusts to 16 km/h. Sun up 7:41 AM, down 4:48 PM. A quiet rain moves through. The farmers nod in approval.
Friday (Nov 13): partly cloudy, high 7°, low 1°, dry, gusts to 15 km/h. Sun up 7:42 AM, down 4:47 PM. Changeable skies expected — a day for both sun hat and coat.
Saturday (Nov 14): fog, high 8°, low -1°, dry, gusts to 14 km/h. Sun up 7:44 AM, down 4:45 PM. Sight is poor. Travellers urged to go slow and light their lanterns.
Sunday (Nov 15): overcast, high 11°, low 2°, dry, gusts to 25 km/h. Sun up 7:46 AM, down 4:44 PM. Cloud lies thick and low. The light is dim and the air is still.
The Week in Figures
| Day | Low · High | Rain | Gusts | Daylight | |
|---|---|---|---|---|---|
| Today | 2°9° | dry | 14 km/h | 9 h 16 min | |
| Tuesday | 0°9° | 0.7 mm | 19 km/h | 9 h 14 min | |
| Wednesday | 7°14° | 4.6 mm | 17 km/h | 9 h 10 min | |
| Thursday | 3°9° | 0.6 mm | 16 km/h | 9 h 7 min | |
| Friday | 1°7° | dry | 15 km/h | 9 h 5 min | |
| Saturday | -1°8° | dry | 14 km/h | 9 h 1 min | |
| Sunday | 2°11° | dry | 25 km/h | 8 h 58 min |
Warmest: Wednesday at 14°. Wettest: Wednesday, 4.6 mm. Strongest gusts: Sunday, 25 km/h.