Fog report Thu, 09/10

Name: Fog report Thu, 09/10/2025: sunshine at the SwissMetNet stations
Creator: MeteoSwiss
License: https://creativecommons.org/licenses/by/4.0/

Fog lid at 1,600–1,800 m, sun above it.

Most sun: Le Moléson with 9 h 26 min. On the Swiss Plateau 28 of 44 weather stations saw not a single minute of sun.

Measured on Thursday 9 October 2025 · Source: MeteoSwiss, SwissMetNet stations

Station up to 1,800 mStation above 1,800 mFog lid, measured

Sun staircase · 09/10/2025 · measured

Sun by altitude at 73 weather stations

Each dot is a MeteoSwiss station: up, how high it lies; right, how long it measured sun on Thu, 09/10.

Stations without a minute of sun: 39

Chasseral1,594 m0 min
Bullet / La Frétaz1,205 m0 min
Chaumont1,136 m0 min
Hörnli1,133 m0 min
La Brévine1,050 m0 min
La Chaux-de-Fonds1,017 m0 min

Longest in the sun

Le Moléson1,974 m9 h 26 min
Säntis2,501 m9 h 22 min
Jungfraujoch3,571 m8 h 42 min
Château-d'Oex1,028 m7 h 39 min

Above the fog lid: summits from 1,900 m

All measurements of Thu, 09/10

Minutes of sun per hour at 73 MeteoSwiss weather stations, sorted by height. Each cell is an hour; the dashed line is the measured fog boundary.

Station · hour ending	9	10	11	12	13	14	15	16	17	18	19	Total
Jungfraujoch3,571 m	25 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	17 min	0 min	8 h 42 min
Titlis3,045 m	21 min	55 min	60 min	60 min	58 min	20 min	0 min	0 min	18 min	60 min	48 min	6 h 40 min
Säntis2,501 m	48 min	52 min	37 min	60 min	60 min	60 min	60 min	60 min	60 min	52 min	13 min	9 h 22 min
Gütsch, Andermatt2,286 m	16 min	60 min	60 min	60 min	59 min	57 min	49 min	60 min	28 min	0 min	0 min	7 h 29 min
Pilatus2,105 m	46 min	60 min	60 min	60 min	60 min	60 min	56 min	45 min	3 min	0 min	0 min	7 h 30 min
Le Moléson1,974 m	51 min	60 min	60 min	60 min	60 min	60 min	60 min	46 min	58 min	26 min	25 min	9 h 26 min
La Dôle1,670 m	47 min	60 min	58 min	60 min	60 min	11 min	0 min	0 min	0 min	0 min	0 min	4 h 56 min
Chasseral1,594 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Napf1,404 m	20 min	6 min	0 min	0 min	1 min	0 min	0 min	0 min	0 min	0 min	0 min	27 min
Adelboden1,321 m	0 min	14 min	60 min	60 min	60 min	60 min	60 min	57 min	5 min	0 min	0 min	6 h 16 min
Bullet / La Frétaz1,205 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Chaumont1,136 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Hörnli1,133 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
La Brévine1,050 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Plaffeien1,042 m	42 min	60 min	60 min	39 min	23 min	0 min	0 min	0 min	0 min	0 min	0 min	3 h 44 min
Engelberg1,036 m	4 min	52 min	60 min	60 min	30 min	27 min	14 min	0 min	0 min	0 min	0 min	4 h 7 min
Château-d'Oex1,028 m	0 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	37 min	2 min	0 min	7 h 39 min
La Chaux-de-Fonds1,017 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Bantiger942 m	0 min	0 min	0 min	0 min	6 min	3 min	4 min	21 min	3 min	0 min	0 min	37 min
Einsiedeln911 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Uetliberg854 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Lägern845 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Oron828 m	0 min	0 min	0 min	37 min	2 min	0 min	0 min	0 min	0 min	0 min	0 min	39 min
St. Gallen776 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Frutigen756 m	0 min	37 min	60 min	60 min	60 min	60 min	60 min	35 min	0 min	0 min	0 min	6 h 12 min
Langnau i.E.744 m	39 min	42 min	60 min	8 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	2 h 29 min
Salen-Reutenen719 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Bière684 m	0 min	0 min	0 min	0 min	42 min	53 min	23 min	22 min	0 min	0 min	0 min	2 h 20 min
Fribourg / Grangeneuve651 m	0 min	4 min	57 min	60 min	56 min	20 min	0 min	0 min	0 min	0 min	0 min	3 h 17 min
Ebnat-Kappel623 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Rünenberg611 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Zürich / Fluntern604 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min

no sun1–19 min20–44 min45–60 minMeasured fog boundaryMeasurements: MeteoSwiss, SwissMetNet

For the press

Chart and measurements are free to use with a link to this page (CC BY 4.0). Source of the measurements: MeteoSwiss, SwissMetNet stations.

Measurements as CSV

More sea-of-fog days

The days the MeteoSwiss network measured a sea of fog in at least half of the hours with the sun high – each with all its measurements.

Fog level and sea of fog today

Source: MeteoSwiss