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Weather in Widnau

St. Gallen, 407 m · continuously updated

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Rhein: 6.9 °C at Diepoldsau, Rietbrücke river temperature · FOEN gauge 2.8 km away · 14.11. 11h

Temperature · last 4 and next 28 hours

Widnau weather: the next 24 hours

Updated hourly.

Widnau weather hour by hour (48 h)

Widnau 15-day forecast

Two-week trend.

Widnau weekend weatherRain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Widnau

Neighbouring municipalities, as the crow flies.

7-day forecast for Widnau

Today (Saturday 14 Nov) in Widnau: fog, −3 to 6 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: fog, 0 to 9 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayfog−3 °C6 °C0.0 mm7 km/h
Tomorrowfog0 °C9 °C0.0 mm8 km/h
Mon 16 Novshowers5 °C10 °C4.9 mm12 km/h
Tue 17 Novlight rain7 °C14 °C2.0 mm12 km/h
Wed 18 Novshowers8 °C12 °C3.9 mm14 km/h
Thu 19 Novshowers8 °C14 °C2.6 mm10 km/h
Fri 20 Novshowers1 °C8 °C5.6 mm12 km/h

Forecast updated on 14.11.2026 at 11:18 (Open-Meteo model, elevation 407 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected in Widnau today or tomorrow. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Widnau

Saturday 14 Nov in Widnau, hour by hour: fog in the morning, sunny in the afternoon, sunny in the evening. Low −3 °C around 06:00, high 6 °C around 15:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00fog−1 °C0.0 mm2 km/h
01:00fog−1 °C0.0 mm1 km/h
02:00fog−1 °C0.0 mm0 km/h
03:00fog−2 °C0.0 mm1 km/h
04:00fog−3 °C0.0 mm0 km/h
05:00fog−3 °C0.0 mm2 km/h
06:00fog−3 °C0.0 mm2 km/h
07:00fog−3 °C0.0 mm1 km/h
08:00fog−3 °C0.0 mm2 km/h
09:00fog−2 °C0.0 mm3 km/h
10:00fog0 °C0.0 mm2 km/h
11:00partly cloudy3 °C0.0 mm2 km/h
12:00partly cloudy4 °C0.0 mm6 km/h
13:00partly cloudy5 °C0.0 mm7 km/h
14:00mostly sunny6 °C0.0 mm6 km/h
15:00sunny6 °C0.0 mm6 km/h
16:00sunny5 °C0.0 mm3 km/h
17:00sunny4 °C0.0 mm1 km/h
18:00sunny3 °C0.0 mm3 km/h
19:00sunny2 °C0.0 mm3 km/h
20:00sunny2 °C0.0 mm2 km/h
21:00sunny2 °C0.0 mm2 km/h
22:00partly cloudy1 °C0.0 mm2 km/h
23:00fog0 °C0.0 mm1 km/h

Hourly forecast issued 14.11.2026 for Widnau (407 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Weather today in Widnau

Today, Saturday 14 Nov in Widnau: fog, −3 to 6 °C, wind up to 7 km/h. No precipitation expected. That is 4.5 °C below the climate normal for November in Widnau (5.8 °C average over 1991-2020).

Widnau weather tomorrow

Tomorrow, Sunday 15 Nov, in Widnau: fog, 0 to 9 °C, wind up to 8 km/h. No precipitation expected.

What is the temperature in Widnau?

Today in Widnau (407 m): −3 to 6 °C. Tomorrow: 0 to 9 °C. Over the next 7 days, highs range from 6 to 14 °C, averaging 10 °C.

Widnau weekend weather

This weekend in Widnau: Saturday fog, −3 to 6 °C; Sunday fog, 0 to 9 °C.

Will it rain in Widnau this week?

Yes: 5 days with precipitation are expected in Widnau over the next 7 days, 19.0 mm in total. Wettest day: Friday 20 Nov (5.6 mm).

What is the UV index in Widnau?

Today in Widnau (407 m), the UV index peaks at 2 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.

The best day to go out in Widnau

The best day of the next 7 in Widnau: Sunday 15 Nov, fog, up to 9 °C.

Climate of Widnau: 1991–2020 normals

In Widnau (407 m), the mean annual temperature is 10.3 °C. The warmest month is July (19.2 °C on average) and the coldest January (1.7 °C). About 1366 mm of precipitation falls per year, peaking in August (160 mm) with a minimum in February (77 mm). On average there are 78 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.8 °C and the absolute minimum −8.7 °C.

10.3 °CMean annual temperature
1366 mmPrecipitation per year
78Frost days per year
42Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Frost daysSummer days
Jan1.7 °C12.9 °C−8.7 °C87200
Feb2.4 °C14.3 °C−7.8 °C77180
Mar5.8 °C18.6 °C−4.8 °C97120
Apr9.7 °C22.5 °C−1.5 °C9330
May14.0 °C26.8 °C3.6 °C13503
Jun17.6 °C29.8 °C7.6 °C146010
Jul19.2 °C30.8 °C10.0 °C155014
Aug18.9 °C30.0 °C9.4 °C160012
Sep14.8 °C25.5 °C5.6 °C12102
Oct10.8 °C22.3 °C1.5 °C9810
Nov5.8 °C17.9 °C−3.8 °C9280
Dec2.7 °C14.7 °C−7.2 °C106170
Year10.3 °C30.8 °C−8.7 °C13667842

Widnau climate month by month

January in Widnau
1.7 °C on average and 87 mm of rainfall. 20 frost days.
February in Widnau
2.4 °C on average and 77 mm of rainfall. 18 frost days.
March in Widnau
5.8 °C on average and 97 mm of rainfall. 12 frost days.
April in Widnau
9.7 °C on average and 93 mm of rainfall. 3 frost days. 0 summer days (≥ 25 °C).
May in Widnau
14.0 °C on average and 135 mm of rainfall. 3 summer days (≥ 25 °C).
June in Widnau
17.6 °C on average and 146 mm of rainfall. 10 summer days (≥ 25 °C).
July in Widnau
19.2 °C on average and 155 mm of rainfall. 14 summer days (≥ 25 °C).
August in Widnau
18.9 °C on average and 160 mm of rainfall. 12 summer days (≥ 25 °C).
September in Widnau
14.8 °C on average and 121 mm of rainfall. 2 summer days (≥ 25 °C).
October in Widnau
10.8 °C on average and 98 mm of rainfall. 1 frost days. 0 summer days (≥ 25 °C).
November in Widnau
5.8 °C on average and 92 mm of rainfall. 8 frost days.
December in Widnau
2.7 °C on average and 106 mm of rainfall. 17 frost days.

At what altitude is Widnau located?

Widnau sits at around 407 m above sea level in the canton of St. Gallen. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.

What is the warmest month in Widnau?

The warmest month in Widnau is July, averaging 19.2 °C; the coldest is January, at 1.7 °C. The annual mean is 10.3 °C (MeteoSwiss 1991–2020 normals, reference station Altenrhein).

How much does it rain in Widnau per year?

Widnau receives about 1366 mm of precipitation a year, or 114 mm a month on average. The wettest month is August (160 mm) and the driest February (77 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Widnau have?

Widnau averages 78 frost days a year, most of them in January (20 days). Conversely, 42 summer days exceed 25 °C, 6 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Widnau?

In Widnau, the monthly mean rises from 1.7 °C in January to 19.2 °C in July: a 17.5 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −8.7 °C to 30.8 °C.

Source: MeteoSwiss open data (1991–2020 normals) — stations Altenrhein (10 km, 398 m), St. Gallen (17 km, 776 m), Säntis (27 km, 2501 m), adjusted to the elevation of Widnau (407 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.