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Weather in Flawil

St. Gallen, 643 m · continuously updated

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Temperature · last 4 and next 28 hours

Flawil weather: the next 24 hours

Updated hourly.

Flawil weather hour by hour (48 h)

Flawil 15-day forecast

Two-week trend.

Flawil 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 Flawil

Neighbouring municipalities, as the crow flies.

7-day forecast for Flawil

Today (Saturday 14 Nov) in Flawil: fog, −2 to 3 °C, precipitation 0.0 mm (0 %), wind up to 4 km/h. Tomorrow: showers, 1 to 10 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayfog−2 °C3 °C0.0 mm4 km/h
Tomorrowshowers1 °C10 °C0.2 mm8 km/h
Mon 16 Novshowers6 °C9 °C8.7 mm25 km/h
Tue 17 Novlight rain6 °C13 °C4.5 mm23 km/h
Wed 18 Novshowers8 °C11 °C8.2 mm26 km/h
Thu 19 Novshowers8 °C13 °C3.8 mm28 km/h
Fri 20 Novshowers1 °C8 °C8.7 mm27 km/h

Forecast updated on 14.11.2026 at 11:34 (Open-Meteo model, elevation 643 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Flawil. Tomorrow: rain from 08:00 to 10:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Flawil

Saturday 14 Nov in Flawil, hour by hour: fog in the morning, overcast in the afternoon, sunny in the evening. Low −2 °C around 06:00, high 3 °C around 15:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny−1 °C0.0 mm4 km/h
01:00mostly sunny−1 °C0.0 mm4 km/h
02:00mostly sunny−2 °C0.0 mm3 km/h
03:00partly cloudy−1 °C0.0 mm3 km/h
04:00partly cloudy−2 °C0.0 mm3 km/h
05:00partly cloudy−2 °C0.0 mm2 km/h
06:00partly cloudy−2 °C0.0 mm1 km/h
07:00fog−2 °C0.0 mm2 km/h
08:00fog−2 °C0.0 mm2 km/h
09:00fog−1 °C0.0 mm2 km/h
10:00overcast0 °C0.0 mm1 km/h
11:00fog1 °C0.0 mm1 km/h
12:00overcast2 °C0.0 mm2 km/h
13:00overcast3 °C0.0 mm2 km/h
14:00overcast3 °C0.0 mm2 km/h
15:00overcast3 °C0.0 mm2 km/h
16:00mostly sunny3 °C0.0 mm2 km/h
17:00fog2 °C0.0 mm1 km/h
18:00mostly sunny1 °C0.0 mm3 km/h
19:00sunny1 °C0.0 mm3 km/h
20:00sunny1 °C0.0 mm2 km/h
21:00mostly sunny1 °C0.0 mm3 km/h
22:00partly cloudy1 °C0.0 mm3 km/h
23:00overcast0 °C0.0 mm3 km/h

Hourly forecast issued 14.11.2026 for Flawil (643 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 Flawil

Today, Saturday 14 Nov in Flawil: fog, −2 to 3 °C, wind up to 4 km/h. No precipitation expected. That is 4.2 °C below the climate normal for November in Flawil (5.0 °C average over 1991-2020).

Flawil weather tomorrow

Tomorrow, Sunday 15 Nov, in Flawil: showers, 1 to 10 °C, wind up to 8 km/h. Precipitation expected: 0.2 mm, 17 % probability.

What is the temperature in Flawil?

Today in Flawil (643 m): −2 to 3 °C. Tomorrow: 1 to 10 °C. Over the next 7 days, highs range from 3 to 13 °C, averaging 10 °C.

Flawil weekend weather

This weekend in Flawil: Saturday fog, −2 to 3 °C; Sunday showers, 1 to 10 °C.

Will it rain in Flawil this week?

Yes: 5 days with precipitation are expected in Flawil over the next 7 days, 34.1 mm in total. Wettest day: Friday 20 Nov (8.7 mm).

What is the UV index in Flawil?

Today in Flawil (643 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 Flawil

The best day of the next 7 in Flawil: Saturday 14 Nov, fog, up to 3 °C.

Climate of Flawil: 1991–2020 normals

In Flawil (643 m), the mean annual temperature is 9.0 °C. The warmest month is July (17.6 °C on average) and the coldest January (0.9 °C). About 1570 mm of precipitation falls per year, peaking in August (174 mm) with a minimum in February (97 mm). The sun shines for about 1589 hours a year, mostly in July (222 h). On average there are 100 frost days and 4 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.6 °C and the absolute minimum −10.5 °C.

9.0 °CMean annual temperature
1570 mmPrecipitation per year
1589 hSunshine hours per year
100Frost days per year
31Summer 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
Jan0.9 °C12.3 °C−10.5 °C11056230
Feb1.3 °C13.4 °C−10.1 °C9779200
Mar4.5 °C17.0 °C−6.6 °C118130150
Apr8.1 °C20.6 °C−2.9 °C10616560
May12.3 °C25.0 °C1.9 °C15218202
Jun15.8 °C28.3 °C5.7 °C16119607
Jul17.6 °C29.6 °C8.3 °C172222010
Aug17.5 °C29.1 °C7.7 °C174204010
Sep13.5 °C24.7 °C4.0 °C13415001
Oct9.8 °C21.6 °C−0.3 °C10910020
Nov5.0 °C17.4 °C−5.2 °C10958120
Dec1.8 °C13.2 °C−9.0 °C12947210
Year9.0 °C29.6 °C−10.5 °C1570158910031

At what altitude is Flawil located?

Flawil sits at around 643 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 Flawil?

The warmest month in Flawil is July, averaging 17.6 °C; the coldest is January, at 0.9 °C. The annual mean is 9.0 °C (MeteoSwiss 1991–2020 normals, reference station St. Gallen).

How much does it rain in Flawil per year?

Flawil receives about 1570 mm of precipitation a year, or 131 mm a month on average. The wettest month is August (174 mm) and the driest February (97 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Flawil have?

Flawil averages 100 frost days a year, most of them in January (23 days). Conversely, 31 summer days exceed 25 °C, 4 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Flawil get per year?

The sun shines for about 1589 hours a year in Flawil. The sunniest month is July (222 h) and the least sunny December (47 h), according to the MeteoSwiss 1991–2020 normals.

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

In Flawil, the monthly mean rises from 0.9 °C in January to 17.6 °C in July: a 16.7 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −10.5 °C to 29.6 °C.

When is the best time to visit Flawil?

For warmth and sunshine: July (17.6 °C on average, 222 h of sun). To avoid rain, February is the driest month (97 mm). The coldest month is January (0.9 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations St. Gallen (14 km, 776 m), Ebnat-Kappel (15 km, 623 m), Säntis (18 km, 2501 m), adjusted to the elevation of Flawil (643 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.