11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
5°
Feels like 4°
Wind↑ SE 5 km/h
Humidity 93 %
Evening
Overcast
8°
Feels like 7°
Wind↑ E 6 km/h
Gusts13 km/h
Humidity 77 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
7°
Feels like 5°
Wind↑ ENE 8 km/h
Gusts28 km/h
Humidity 74 %
Evening
Partly cloudy
7°
Feels like 5°
Wind↑ NNE 12 km/h
Gusts26 km/h
Humidity 74 %
💧 0.1 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
6°
Feels like 4°
Wind↑ NW 9 km/h
Gusts16 km/h
Humidity 74 %
Evening
Overcast
7°
Feels like 5°
Wind↑ SW 9 km/h
Gusts24 km/h
Humidity 78 %
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Light rain
7°
Feels like 5°
Wind↑ W 13 km/h
Gusts36 km/h
Humidity 89 %
💧 2.1 mm
Bonn forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Bonn climate: what a normal year looks like
From 16 h 30 min of daylight in late June to 7 h 57 min in late December.
There is no real dry season: monthly rainfall stays between 55 mm and 88 mm on average.
The hottest stretch is July, when afternoons average 23 °C; the coldest is January, when nights average 0 °C.
Even the coldest month, January, keeps nights above freezing on average (0 °C).
Forecast highs for the coming week average 11 °C, 3 °C cooler than a normal October (14 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
5 °C
0 °C
76 mm
Feb
6 °C
1 °C
65 mm
Mar
9 °C
3 °C
70 mm
Apr
14 °C
6 °C
55 mm
May
18 °C
9 °C
69 mm
Jun
21 °C
12 °C
78 mm
Jul
23 °C
15 °C
82 mm
Aug
23 °C
15 °C
85 mm
Sep
19 °C
11 °C
70 mm
Oct
14 °C
8 °C
74 mm
Nov
9 °C
4 °C
76 mm
Dec
5 °C
2 °C
88 mm
Whole year
14 °C
7 °C
890 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 50.73° N, 7.10° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Bonn: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.510µg/m³
PM1016µg/m³
O₃28µg/m³
NO₂15µg/m³
SO₂1µg/m³
Pollen
AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone
Copernicus CAMS model, updated several times a day.
Rain radar around Bonn
Rain observed over the last two hours by official weather radars around Bonn, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
Moon over Bonn
Waning gibbous
87 % illuminated · 18.3 days
Rise 04:36 Set 22:59
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (Europe/Berlin); phase and lit fraction from a synodic calculation.
Look up a past day in Bonn
Curious about the weather in Bonn on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Bonn weather at a glance
This page gathers everything about the weather in Bonn, North Rhine-Westphalia: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “partly cloudy”, it is 12 °C (feels like 12 °C) and the wind blows at 2 km/h.
Expected range today: 5 °C to 13 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Bonn forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
