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
16°
Feels like 16°
Wind↑ WSW 10 km/h
Humidity 85 %
Evening
Rain showers
16°
Feels like 16°
Wind↑ SSE 3 km/h
Humidity 91 %
💧 0.9 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Light rain
16°
Feels like 16°
Wind↑ WSW 13 km/h
Gusts36 km/h
Humidity 95 %
💧 3.1 mm
Evening
Light rain
12°
Feels like 12°
Wind↑ NNW 8 km/h
Humidity 76 %
💧 1.4 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
8°
Feels like 7°
Wind↑ ESE 11 km/h
Humidity 82 %
Evening
Clear sky
10°
Feels like 7°
Wind↑ E 15 km/h
Gusts32 km/h
Humidity 70 %
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
5°
Feels like 2°
Wind↑ E 11 km/h
Humidity 89 %
Bayonne forecast in charts · next 7 days
The week ahead: highs and lows
▼ This week runs -3.4° cooler than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Bayonne climate: what a normal year looks like
From 15 h 25 min of daylight in late June to 8 h 57 min in late December.
Swimmers find the warmest sea in August (22 °C) and the coolest in February (12 °C).
The hottest stretch is August, when afternoons average 24 °C; the coldest is January, when nights average 6 °C.
There is no real dry season: monthly rainfall stays between 71 mm and 162 mm on average.
Forecast highs for the coming week average 15 °C, 4 °C cooler than a normal October (19 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Sea
Jan
12 °C
6 °C
125 mm
13 °C
Feb
13 °C
6 °C
109 mm
12 °C
Mar
14 °C
8 °C
103 mm
12 °C
Apr
16 °C
10 °C
113 mm
14 °C
May
19 °C
13 °C
103 mm
16 °C
Jun
21 °C
16 °C
82 mm
19 °C
Jul
23 °C
18 °C
71 mm
21 °C
Aug
24 °C
18 °C
73 mm
22 °C
Sep
22 °C
15 °C
92 mm
21 °C
Oct
19 °C
13 °C
117 mm
18 °C
Nov
14 °C
9 °C
162 mm
16 °C
Dec
12 °C
7 °C
135 mm
14 °C
Whole year
17 °C
12 °C
1,280 mm
16 °C
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 43.48° N, 1.46° W, 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 Bayonne: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.57µg/m³
PM1011µg/m³
O₃37µg/m³
NO₂6µg/m³
SO₂0µg/m³
Pollen · dominant: Grass
AlderNone
BirchNone
GrassLow
MugwortLow
OliveNone
RagweedNone
Copernicus CAMS model, updated several times a day.
Rain radar around Bayonne
Rain observed over the last two hours by official weather radars around Bayonne, 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 Bayonne
Waning gibbous
87 % illuminated · 18.3 days
Rise 05:57 Set 22:51
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/Paris); phase and lit fraction from a synodic calculation.
Sea and tides near Bayonne
Tide station used: Bayonne Pont Blanc · 1 km away
🌊 Sea surface
18.0 °C
satellite, 29/10
Sea state
Slight
waves 1.4 m
Period
12 s
Swell
1.4 m
TodayThu 29/10
High range92
High tide06:244.6 m
Low tide12:501.4 m
High tide18:554.4 m
TomorrowFri 30/10
High range82
Low tide01:041.6 m
High tide07:124.4 m
Low tide13:401.6 m
High tide19:484.2 m
SatSat 31/10
High range70
Low tide01:531.8 m
High tide08:084.3 m
Low tide14:381.8 m
High tide20:524.0 m
SunSun 01/11
Mean tide58
Low tide02:522.0 m
High tide09:164.1 m
Low tide15:471.9 m
High tide22:093.8 m
Indicative heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest.
Look up a past day in Bayonne
Curious about the weather in Bayonne on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Bayonne weather at a glance
This page gathers everything about the weather in Bayonne, Pyrénées-Atlantiques (64): 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 16 °C (feels like 16 °C) and the wind blows at 5 km/h.
Expected range today: 6 °C to 17 °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, plus the tide times for Bayonne Pont Blanc.
Use the Bayonne 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.
