🇩🇪 Weather in Heilbronn
Map Overlays:
Hourly Forecast for Heilbronn
01:00
16°
3%
02:00
14°
5%
03:00
14°
9%
04:00
14°
9%
05:00
13°
18%
06:00
13°
18%
07:00
14°
18%
08:00
14°
16%
09:00
15°
15%
10:00
15°
32%
11:00
15°
44%
12:00
16°
18%
13:00
18°
24%
14:00
17°
26%
15:00
18°
20%
16:00
20°
16%
17:00
21°
25%
18:00
20°
18%
19:00
19°
7%
20:00
18°
12%
21:00
17°
13%
22:00
17°
14%
23:00
17°
13%
00:00
17°
14%
14-Day Forecast for Heilbronn
2026-08-25
Overcast
21° /
13°
2026-08-26
Overcast
28° /
16°
2026-08-27
Overcast
26° /
18°
2026-08-28
Light rain shower
20° /
14°
2026-08-29
Patchy rain nearby
21° /
16°
2026-08-30
Patchy rain nearby
20° /
13°
2026-08-31
Patchy rain nearby
23° /
15°
Additional Forecasts for Heilbronn
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 167.0 μg/m³
O₃ (Ozone) 69.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.2 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 5.0 μg/m³
PM10 (Coarse particles) 8.3 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Germany
Weather in Heilbronn — FAQ
Answers refreshed each request based on current conditions in Heilbronn.
What is the weather like right now in Heilbronn?
Right now in Heilbronn, Germany the temperature is 15.7°C (feels like 12.4°C), with clear. Relative humidity is 57% and wind is 13.3 km/h.
What is today's high and low temperature in Heilbronn?
Today's forecast high in Heilbronn is 20.7°C and the overnight low is 13.3°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Heilbronn today?
The chance of precipitation in Heilbronn today is 44%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Heilbronn differ from nearby cities?
Even short distances can change temperatures noticeably. Heilbronn's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.