What is the weather in Wattwil today?

At the top of the page you will find the current temperature, precipitation and wind in Wattwil, updated in real time.

What is the 15-day forecast for Wattwil?

The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Wattwil.

Will it rain tomorrow in Wattwil?

Check the 48-hour hourly forecast to see exactly when precipitation is expected in Wattwil.

What is the air quality in Wattwil?

The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Wattwil.

Are there weather alerts for Wattwil?

Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.

At what altitude is Wattwil located?

Wattwil sits at around 836 m above sea level in the canton of St. Gallen. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Wattwil?

The warmest month in Wattwil is July, averaging 16.4 °C (1991–2020 normal). The coldest is January at −1.6 °C.

How much does it rain in Wattwil per year?

Wattwil receives about 1805 mm of precipitation a year. The wettest month is July (194 mm), the driest February (116 mm).

When is the best time to visit Wattwil?

For warmth and sunshine: July (16.4 °C on average, 212 h of sun). The coldest month is January (−1.6 °C). Check the 15-day forecast above for your dates.

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Home › St. Gallen › Wattwil

Weather in Wattwil

St. Gallen, 836 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Wattwil weather: the next 24 hours

Updated hourly.

Wattwil weather hour by hour (48 h)

Wattwil 15-day forecast

Two-week trend.

Wattwil weekend weather Rain 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 Wattwil

Neighbouring municipalities, as the crow flies.

Gommiswald5 km Kaltbrunn7 km Uznach8 km Lichtensteig8 km Tuggen8 km Eschenbach (SG)8 km Benken (SG)9 km Ebnat-Kappel9 km

7-day forecast for Wattwil

Today (Sunday 27 Sep) in Wattwil: mostly sunny, 10 to 21 °C, precipitation 0.0 mm (0 %), wind up to 6 km/h. Tomorrow: partly cloudy, 11 to 23 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	10 °C	21 °C	0.0 mm	6 km/h
Tomorrow	partly cloudy	11 °C	23 °C	0.0 mm	14 km/h
Tue 29 Sep	overcast	14 °C	23 °C	0.0 mm	7 km/h
Wed 30 Sep	overcast	16 °C	24 °C	0.0 mm	7 km/h
Thu 1 Oct	showers	14 °C	17 °C	6.3 mm	5 km/h
Fri 2 Oct	fog	12 °C	17 °C	0.6 mm	7 km/h
Sat 3 Oct	fog	10 °C	18 °C	0.0 mm	6 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 836 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Wattwil

Sunday 27 Sep in Wattwil, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 11 °C around 05:00, high 21 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	14 °C	3 km/h
01:00	sunny	14 °C	3 km/h
02:00	sunny	14 °C	2 km/h
03:00	sunny	13 °C	2 km/h
04:00	sunny	11 °C	2 km/h
05:00	sunny	11 °C	2 km/h
06:00	sunny	11 °C	3 km/h
07:00	sunny	11 °C	3 km/h
08:00	sunny	12 °C	2 km/h
09:00	sunny	15 °C	2 km/h
10:00	sunny	17 °C	3 km/h
11:00	sunny	19 °C	3 km/h
12:00	sunny	20 °C	3 km/h
13:00	sunny	21 °C	4 km/h
14:00	sunny	21 °C	6 km/h
15:00	sunny	21 °C	6 km/h
16:00	sunny	21 °C	5 km/h
17:00	sunny	21 °C	3 km/h
18:00	sunny	20 °C	3 km/h
19:00	sunny	19 °C	2 km/h
20:00	sunny	17 °C	3 km/h
21:00	sunny	16 °C	4 km/h
22:00	sunny	15 °C	3 km/h
23:00	sunny	15 °C	2 km/h

Hourly forecast issued 27.09.2026 for Wattwil (836 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Wattwil weather tomorrow

Tomorrow, Monday 28 Sep, in Wattwil: partly cloudy, 11 to 23 °C, wind up to 14 km/h. No precipitation expected.

Wattwil weekend weather

This weekend in Wattwil: Saturday fog, 10 to 18 °C; Sunday mostly sunny, 10 to 21 °C.

Will it rain in Wattwil this week?

Yes: 1 day with precipitation is expected in Wattwil over the next 7 days, 6.9 mm in total. Wettest day: Thursday 1 Oct (6.3 mm).

The best day to go out in Wattwil

The best day of the next 7 in Wattwil: Sunday 27 Sep, mostly sunny, up to 21 °C.

The last 7 days in Wattwil

From 20 Sep to 26 Sep: 13.6 °C on average, 1.7 °C above the September normal (11.9 °C), 0 mm of precipitation (7-day normal: 35 mm). Warmest day: saturday 26 Sep (21 °C); coolest night: wednesday 23 Sep (7 °C).

Day	Min	Max
Sun 20 Sep	12 °C	21 °C
Mon 21 Sep	9 °C	16 °C
Tue 22 Sep	7 °C	16 °C
Wed 23 Sep	7 °C	17 °C
Thu 24 Sep	11 °C	17 °C
Fri 25 Sep	8 °C	18 °C
Sat 26 Sep	11 °C	21 °C

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

Climate of Wattwil: 1991–2020 normals

In Wattwil (836 m), the mean annual temperature is 7.3 °C. The warmest month is July (16.4 °C on average) and the coldest January (−1.6 °C). About 1805 mm of precipitation falls per year, peaking in July (194 mm) with a minimum in February (116 mm). The sun shines for about 1667 hours a year, mostly in July (212 h). On average there are 113 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.8 °C and the absolute minimum −14.6 °C.

7.3 °CMean annual temperature

1805 mmPrecipitation per year

1667 hSunshine hours per year

113Frost days per year

39Summer days (≥ 25 °C)

JFMAMJJASOND

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

Month	Mean T	Abs. max	Abs. min	Precip. (mm)	Sunshine (h)	Frost days	Summer days
Jan	−1.6 °C	10.1 °C	−14.6 °C	131	83	25	0
Feb	−0.9 °C	12.0 °C	−13.7 °C	116	92	22	0
Mar	2.8 °C	17.0 °C	−9.4 °C	142	134	18	0
Apr	6.8 °C	21.1 °C	−5.2 °C	121	160	8	0
May	11.1 °C	25.5 °C	−0.7 °C	176	172	1	3
Jun	14.8 °C	28.6 °C	3.2 °C	182	192	0	9
Jul	16.4 °C	29.8 °C	5.7 °C	194	212	0	12
Aug	16.0 °C	29.2 °C	5.2 °C	194	200	0	12
Sep	11.9 °C	24.6 °C	1.2 °C	149	154	0	2
Oct	7.8 °C	21.1 °C	−2.9 °C	121	118	3	0
Nov	2.7 °C	16.5 °C	−8.3 °C	127	80	13	0
Dec	−0.7 °C	11.2 °C	−12.5 °C	151	70	23	0
Year	7.3 °C	29.8 °C	−14.6 °C	1805	1667	113	39

Source: MeteoSwiss open data (1991–2020 normals) — stations Ebnat-Kappel (5 km, 623 m), Hörnli (15 km, 1133 m), Säntis (22 km, 2501 m), adjusted to the elevation of Wattwil (836 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.