Fog report Wed, 04-15

Name: Fog report Wed, 2026-04-15: sunshine at the SwissMetNet stations
Creator: MeteoSwiss
License: https://creativecommons.org/licenses/by/4.0/

Fog lid at 1,600–1,900 m, sun above it.

Most sun: Pilatus with 12 h 39 min. On the Swiss Plateau 22 of 44 weather stations saw not a single minute of sun.

Measured on Wednesday, April 15, 2026 · Source: MeteoSwiss, SwissMetNet stations

Station up to 1,900 mStation above 1,900 mFog lid, measured

Sun staircase · 2026-04-15 · measured

Sun by altitude at 72 weather stations

Each dot is a MeteoSwiss station: up, how high it lies; right, how long it measured sun on Wed, 04-15.

Stations without a minute of sun: 26

Hörnli1,133 m0 min
Einsiedeln911 m0 min
Uetliberg854 m0 min
Lägern845 m0 min
St. Gallen776 m0 min
Salen-Reutenen719 m0 min

Longest in the sun

Pilatus2,105 m12 h 39 min
Gütsch, Andermatt2,286 m12 h 26 min
Titlis3,045 m12 h 18 min
Säntis2,501 m12 h 16 min

Above the fog lid: summits from 2,000 m

All measurements of Wed, 04-15

Minutes of sun per hour at 72 MeteoSwiss weather stations, sorted by height. Each cell is an hour; the dashed line is the measured fog level.

Station · hour ending	7	8	9	10	11	12	13	14	15	16	17	18	19	20	Total
Jungfraujoch3,571 m	0 min	0 min	59 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	48 min	11 h 47 min
Titlis3,045 m	0 min	38 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	40 min	12 h 18 min
Säntis2,501 m	9 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	34 min	33 min	12 h 16 min
Gütsch, Andermatt2,286 m	0 min	58 min	60 min	60 min	60 min	60 min	52 min	57 min	60 min	60 min	60 min	60 min	60 min	39 min	12 h 26 min
Pilatus2,105 m	0 min	52 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	47 min	12 h 39 min
La Dôle1,670 m	0 min	0 min	0 min	0 min	14 min	56 min	60 min	60 min	60 min	46 min	48 min	37 min	14 min	34 min	7 h 9 min
Chasseral1,594 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	1 min	3 min	1 min	2 min	1 min	0 min	8 min
Napf1,404 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	2 min	0 min	4 min	5 min	15 min	26 min
Adelboden1,321 m	0 min	0 min	0 min	0 min	0 min	38 min	60 min	60 min	60 min	60 min	60 min	60 min	20 min	0 min	6 h 58 min
Bullet / La Frétaz1,205 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	31 min	60 min	60 min	59 min	47 min	0 min	4 h 17 min
Chaumont1,136 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	34 min	36 min	16 min	6 min	1 min	1 h 33 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	0 min	0 min	0 min
La Brévine1,050 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	11 min	29 min	24 min	31 min	30 min	41 min	28 min	3 h 14 min
Plaffeien1,042 m	0 min	0 min	0 min	0 min	0 min	1 min	0 min	0 min	0 min	0 min	0 min	20 min	59 min	35 min	1 h 55 min
Engelberg1,036 m	0 min	0 min	0 min	0 min	0 min	32 min	51 min	8 min	46 min	3 min	0 min	0 min	0 min	0 min	2 h 20 min
Château-d'Oex1,028 m	0 min	0 min	0 min	0 min	25 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	46 min	0 min	8 h 11 min
La Chaux-de-Fonds1,017 m	0 min	0 min	0 min	0 min	0 min	4 min	24 min	27 min	16 min	0 min	25 min	54 min	26 min	7 min	3 h 3 min
Bantiger942 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	1 min	48 min	30 min	1 h 19 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	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	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	0 min	0 min	0 min
Oron828 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	7 min	4 min	41 min	59 min	57 min	60 min	39 min	4 h 27 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	0 min	0 min	0 min
Frutigen756 m	0 min	0 min	0 min	0 min	2 min	46 min	60 min	60 min	60 min	60 min	60 min	34 min	7 min	0 min	6 h 29 min
Langnau i.E.744 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	39 min	28 min	31 min	2 min	2 min	1 h 42 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	0 min	0 min	0 min
Bière684 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	11 min	37 min	48 min	57 min	60 min	59 min	32 min	5 h 4 min
Fribourg / Grangeneuve651 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	7 min	53 min	41 min	57 min	31 min	3 h 9 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	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	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	0 min	0 min	0 min

no sun1–19 min20–44 min45–60 minMeasured fog levelMeasurements: 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