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Weather in Jonschwil

St. Gallen, 620 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

Jonschwil weather: the next 24 hours

Updated hourly.

Jonschwil weather hour by hour (48 h)

Jonschwil 15-day forecast

Two-week trend.

Jonschwil 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 Jonschwil

Neighbouring municipalities, as the crow flies.

7-day forecast for Jonschwil

Today (Sunday 27 Sep) in Jonschwil: partly cloudy, 6 to 24 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: overcast, 8 to 25 °C.

DayWeatherMinMaxPrecip.Wind
Todaypartly cloudy6 °C24 °C0.0 mm7 km/h
Tomorrowovercast8 °C25 °C0.0 mm12 km/h
Tue 29 Sepfog10 °C25 °C0.0 mm5 km/h
Wed 30 Sepovercast13 °C25 °C0.0 mm6 km/h
Thu 1 Octlight rain12 °C19 °C4.1 mm7 km/h
Fri 2 Octfog13 °C18 °C0.3 mm9 km/h
Sat 3 Octfog13 °C20 °C0.0 mm5 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 620 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Jonschwil

Sunday 27 Sep in Jonschwil, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 6 °C around 07:00, high 24 °C around 16:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny8 °C0.0 mm6 km/h
01:00mostly sunny8 °C0.0 mm5 km/h
02:00mostly sunny8 °C0.0 mm5 km/h
03:00mostly sunny8 °C0.0 mm4 km/h
04:00mostly sunny8 °C0.0 mm4 km/h
05:00sunny7 °C0.0 mm4 km/h
06:00sunny7 °C0.0 mm4 km/h
07:00sunny6 °C0.0 mm4 km/h
08:00sunny7 °C0.0 mm3 km/h
09:00sunny9 °C0.0 mm1 km/h
10:00sunny13 °C0.0 mm1 km/h
11:00sunny17 °C0.0 mm2 km/h
12:00sunny19 °C0.0 mm2 km/h
13:00sunny21 °C0.0 mm1 km/h
14:00sunny23 °C0.0 mm0 km/h
15:00sunny24 °C0.0 mm1 km/h
16:00sunny24 °C0.0 mm2 km/h
17:00sunny24 °C0.0 mm1 km/h
18:00sunny23 °C0.0 mm1 km/h
19:00sunny20 °C0.0 mm2 km/h
20:00sunny15 °C0.0 mm7 km/h
21:00mostly sunny13 °C0.0 mm6 km/h
22:00mostly sunny11 °C0.0 mm6 km/h
23:00sunny10 °C0.0 mm6 km/h

Hourly forecast issued 27.09.2026 for Jonschwil (620 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Jonschwil weather tomorrow

Tomorrow, Monday 28 Sep, in Jonschwil: overcast, 8 to 25 °C, wind up to 12 km/h. No precipitation expected.

Jonschwil weekend weather

This weekend in Jonschwil: Saturday fog, 13 to 20 °C; Sunday partly cloudy, 6 to 24 °C.

Will it rain in Jonschwil this week?

Yes: 1 day with precipitation is expected in Jonschwil over the next 7 days, 4.4 mm in total. Wettest day: Thursday 1 Oct (4.1 mm).

The best day to go out in Jonschwil

The best day of the next 7 in Jonschwil: Sunday 27 Sep, partly cloudy, up to 24 °C.

The last 7 days in Jonschwil

From 20 Sep to 26 Sep: 13.2 °C on average, in line with the September normal (13.5 °C), 0 mm of precipitation (7-day normal: 25 mm). Warmest day: sunday 20 Sep (23 °C); coolest night: tuesday 22 Sep (4 °C).

DayMinMaxRain
Sun 20 Sep9 °C23 °C0.0 mm
Mon 21 Sep9 °C18 °C0.0 mm
Tue 22 Sep4 °C18 °C0.0 mm
Wed 23 Sep5 °C20 °C0.0 mm
Thu 24 Sep7 °C19 °C0.0 mm
Fri 25 Sep6 °C19 °C0.0 mm
Sat 26 Sep6 °C23 °C0.0 mm

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

Climate of Jonschwil: 1991–2020 normals

In Jonschwil (620 m), the mean annual temperature is 9.1 °C. The warmest month is July (18.0 °C on average) and the coldest January (0.7 °C). About 1364 mm of precipitation falls per year, peaking in August (155 mm) with a minimum in February (82 mm). The sun shines for about 1593 hours a year, mostly in July (226 h). On average there are 105 frost days and 7 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.5 °C and the absolute minimum −11.2 °C.

9.1 °CMean annual temperature
1364 mmPrecipitation per year
1593 hSunshine hours per year
105Frost days per year
42Summer 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
Jan0.7 °C11.9 °C−11.2 °C9152230
Feb1.1 °C13.1 °C−10.4 °C8278210
Mar4.6 °C17.8 °C−6.7 °C103134170
Apr8.4 °C22.0 °C−3.0 °C9416870
May12.7 °C26.3 °C1.6 °C14118413
Jun16.3 °C29.2 °C5.5 °C146206010
Jul18.0 °C30.5 °C7.9 °C150226014
Aug17.7 °C29.9 °C7.5 °C155208012
Sep13.5 °C25.2 °C3.6 °C10815203
Oct9.6 °C21.7 °C−0.5 °C959630
Nov4.7 °C17.0 °C−5.5 °C9051120
Dec1.6 °C12.6 °C−9.4 °C10838220
Year9.1 °C30.5 °C−11.2 °C1364159310542

Source: MeteoSwiss open data (1991–2020 normals) — stations Hörnli (14 km, 1133 m), Aadorf / Tänikon (16 km, 539 m), Ebnat-Kappel (18 km, 623 m), adjusted to the elevation of Jonschwil (620 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.