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Weather in St. Gallen

St. Gallen, 732 m · continuously updated

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Wind
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Humidity
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Rain ahead
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Sunset
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Temperature · last 4 and next 28 hours

St. Gallen weather: the next 24 hours

Updated hourly.

St. Gallen weather hour by hour (48 h)

St. Gallen 15-day forecast

Two-week trend.

St. Gallen 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 St. Gallen

Neighbouring municipalities, as the crow flies.

7-day forecast for St. Gallen

Today (Sunday 27 Sep) in St. Gallen: mostly sunny, 7 to 22 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: partly cloudy, 9 to 24 °C.

DayWeatherMinMaxPrecip.Wind
Todaymostly sunny7 °C22 °C0.0 mm7 km/h
Tomorrowpartly cloudy9 °C24 °C0.0 mm10 km/h
Tue 29 Sepovercast12 °C23 °C0.0 mm7 km/h
Wed 30 Sepovercast14 °C24 °C0.0 mm7 km/h
Thu 1 Octlight rain13 °C19 °C4.4 mm7 km/h
Fri 2 Octfog13 °C17 °C0.6 mm7 km/h
Sat 3 Octfog12 °C19 °C0.0 mm6 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 732 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in St. Gallen

Sunday 27 Sep in St. Gallen, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 7 °C around 07:00, high 23 °C around 16:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny8 °C0.0 mm6 km/h
01:00sunny8 °C0.0 mm6 km/h
02:00sunny8 °C0.0 mm6 km/h
03:00sunny8 °C0.0 mm6 km/h
04:00sunny7 °C0.0 mm6 km/h
05:00sunny7 °C0.0 mm6 km/h
06:00sunny7 °C0.0 mm6 km/h
07:00sunny7 °C0.0 mm6 km/h
08:00sunny8 °C0.0 mm5 km/h
09:00sunny11 °C0.0 mm3 km/h
10:00sunny16 °C0.0 mm1 km/h
11:00sunny18 °C0.0 mm2 km/h
12:00sunny20 °C0.0 mm4 km/h
13:00sunny21 °C0.0 mm4 km/h
14:00sunny22 °C0.0 mm5 km/h
15:00sunny22 °C0.0 mm4 km/h
16:00sunny23 °C0.0 mm2 km/h
17:00mostly sunny23 °C0.0 mm0 km/h
18:00sunny22 °C0.0 mm2 km/h
19:00sunny19 °C0.0 mm5 km/h
20:00mostly sunny14 °C0.0 mm6 km/h
21:00sunny13 °C0.0 mm6 km/h
22:00sunny12 °C0.0 mm6 km/h
23:00sunny11 °C0.0 mm6 km/h

Hourly forecast issued 27.09.2026 for St. Gallen (732 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

St. Gallen weather tomorrow

Tomorrow, Monday 28 Sep, in St. Gallen: partly cloudy, 9 to 24 °C, wind up to 10 km/h. No precipitation expected.

St. Gallen weekend weather

This weekend in St. Gallen: Saturday fog, 12 to 19 °C; Sunday mostly sunny, 7 to 22 °C.

Will it rain in St. Gallen this week?

Yes: 1 day with precipitation is expected in St. Gallen over the next 7 days, 5.0 mm in total. Wettest day: Thursday 1 Oct (4.4 mm).

The best day to go out in St. Gallen

The best day of the next 7 in St. Gallen: Sunday 27 Sep, mostly sunny, up to 22 °C.

The last 7 days in St. Gallen

From 20 Sep to 26 Sep: 12.9 °C on average, in line with the September normal (13.4 °C), 0 mm of precipitation (7-day normal: 30 mm). Warmest day: sunday 20 Sep (22 °C); coolest night: wednesday 23 Sep (4 °C).

DayMinMaxRain
Sun 20 Sep9 °C22 °C0.0 mm
Mon 21 Sep10 °C16 °C0.0 mm
Tue 22 Sep4 °C16 °C0.0 mm
Wed 23 Sep4 °C18 °C0.0 mm
Thu 24 Sep9 °C19 °C0.0 mm
Fri 25 Sep5 °C17 °C0.0 mm
Sat 26 Sep7 °C22 °C0.0 mm

Open-Meteo analyses of the last 7 days (models and assimilated observations), MeteoSwiss 1991–2020 normals. Updated nightly.

Climate of St. Gallen: 1991–2020 normals

In St. Gallen (732 m), the mean annual temperature is 9.0 °C. The warmest month is July (17.8 °C on average) and the coldest January (0.5 °C). About 1351 mm of precipitation falls per year, peaking in August (174 mm) with a minimum in February (62 mm). The sun shines for about 1589 hours a year, mostly in July (222 h). On average there are 88 frost days and 1 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.3 °C and the absolute minimum −9.8 °C.

9.0 °CMean annual temperature
1351 mmPrecipitation per year
1589 hSunshine hours per year
88Frost days per year
22Summer days (≥ 25 °C)
JFMAMJJASOND

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

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan0.5 °C12.5 °C−9.8 °C6556210
Feb1.1 °C12.9 °C−9.2 °C6279180
Mar4.6 °C17.0 °C−5.6 °C83130120
Apr8.4 °C20.9 °C−2.1 °C9616550
May12.5 °C25.2 °C2.6 °C14618201
Jun16.0 °C28.0 °C6.4 °C16019605
Jul17.8 °C29.3 °C9.2 °C16422208
Aug17.6 °C28.6 °C8.4 °C17420407
Sep13.4 °C24.1 °C4.7 °C12915000
Oct9.5 °C20.9 °C0.3 °C9910020
Nov4.5 °C16.9 °C−4.5 °C8758100
Dec1.5 °C13.2 °C−8.5 °C8747200
Year9.0 °C29.3 °C−9.8 °C135115898822

Source: MeteoSwiss open data (1991–2020 normals) — stations St. Gallen (3 km, 776 m), Altenrhein (17 km, 398 m), Säntis (19 km, 2501 m), adjusted to the elevation of St. Gallen (732 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.