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Weather in Witterswil

Solothurn, 351 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

Witterswil weather: the next 24 hours

Updated hourly.

Witterswil weather hour by hour (48 h)

Witterswil 15-day forecast

Two-week trend.

Witterswil 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 Witterswil

Neighbouring municipalities, as the crow flies.

7-day forecast for Witterswil

Today (Sunday 27 Sep) in Witterswil: mostly sunny, 14 to 29 °C, precipitation 0.0 mm (0 %), wind up to 10 km/h. Tomorrow: overcast, 17 to 29 °C.

DayWeatherMinMaxPrecip.Wind
Todaymostly sunny14 °C29 °C0.0 mm10 km/h
Tomorrowovercast17 °C29 °C0.0 mm13 km/h
Tue 29 Sepovercast14 °C27 °C0.0 mm7 km/h
Wed 30 Seplight rain17 °C25 °C0.3 mm5 km/h
Thu 1 Octlight rain16 °C19 °C5.7 mm4 km/h
Fri 2 Octfog14 °C21 °C0.0 mm8 km/h
Sat 3 Octfog13 °C22 °C0.0 mm7 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 351 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Witterswil

Sunday 27 Sep in Witterswil, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 14 °C around 07:00, high 29 °C around 16:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny17 °C0.0 mm7 km/h
01:00sunny17 °C0.0 mm6 km/h
02:00sunny16 °C0.0 mm7 km/h
03:00sunny16 °C0.0 mm7 km/h
04:00sunny15 °C0.0 mm6 km/h
05:00sunny15 °C0.0 mm7 km/h
06:00sunny15 °C0.0 mm6 km/h
07:00sunny14 °C0.0 mm7 km/h
08:00sunny15 °C0.0 mm6 km/h
09:00sunny17 °C0.0 mm2 km/h
10:00sunny20 °C0.0 mm2 km/h
11:00sunny22 °C0.0 mm3 km/h
12:00sunny25 °C0.0 mm6 km/h
13:00sunny27 °C0.0 mm7 km/h
14:00sunny28 °C0.0 mm7 km/h
15:00sunny28 °C0.0 mm8 km/h
16:00sunny29 °C0.0 mm7 km/h
17:00mostly sunny29 °C0.0 mm9 km/h
18:00sunny28 °C0.0 mm6 km/h
19:00sunny25 °C0.0 mm3 km/h
20:00mostly sunny23 °C0.0 mm7 km/h
21:00mostly sunny22 °C0.0 mm9 km/h
22:00sunny20 °C0.0 mm7 km/h
23:00mostly sunny19 °C0.0 mm7 km/h

Hourly forecast issued 27.09.2026 for Witterswil (351 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Witterswil weather tomorrow

Tomorrow, Monday 28 Sep, in Witterswil: overcast, 17 to 29 °C, wind up to 13 km/h. No precipitation expected.

Witterswil weekend weather

This weekend in Witterswil: Saturday fog, 13 to 22 °C; Sunday mostly sunny, 14 to 29 °C.

Will it rain in Witterswil this week?

Yes: 1 day with precipitation is expected in Witterswil over the next 7 days, 6.0 mm in total. Wettest day: Thursday 1 Oct (5.7 mm).

The best day to go out in Witterswil

The best day of the next 7 in Witterswil: Sunday 27 Sep, mostly sunny, up to 29 °C.

The last 7 days in Witterswil

From 20 Sep to 26 Sep: 17.2 °C on average, 2.1 °C above the September normal (15.1 °C), 0 mm of precipitation (7-day normal: 17 mm). Warmest day: saturday 26 Sep (28 °C); coolest night: tuesday 22 Sep (9 °C).

DayMinMaxRain
Sun 20 Sep14 °C26 °C0.0 mm
Mon 21 Sep13 °C20 °C0.0 mm
Tue 22 Sep9 °C21 °C0.0 mm
Wed 23 Sep9 °C24 °C0.0 mm
Thu 24 Sep12 °C23 °C0.0 mm
Fri 25 Sep9 °C23 °C0.0 mm
Sat 26 Sep10 °C28 °C0.0 mm

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

Climate of Witterswil: 1991–2020 normals

In Witterswil (351 m), the mean annual temperature is 10.6 °C. The warmest month is July (19.7 °C on average) and the coldest January (2.0 °C). About 855 mm of precipitation falls per year, peaking in May (98 mm) with a minimum in February (46 mm). The sun shines for about 1703 hours a year, mostly in July (236 h). On average there are 63 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.9 °C and the absolute minimum −8.3 °C.

10.6 °CMean annual temperature
855 mmPrecipitation per year
1703 hSunshine hours per year
63Frost days per year
58Summer 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
Jan2.0 °C13.4 °C−8.3 °C4966160
Feb3.0 °C15.0 °C−7.3 °C4688140
Mar6.7 °C20.1 °C−4.0 °C5013880
Apr10.4 °C24.4 °C−0.8 °C6416821
May14.3 °C28.0 °C3.5 °C9818405
Jun17.9 °C31.5 °C7.4 °C88209012
Jul19.7 °C32.9 °C9.7 °C90236018
Aug19.3 °C32.0 °C9.1 °C90218016
Sep15.1 °C26.8 °C5.3 °C7116305
Oct10.8 °C22.8 °C1.1 °C7511110
Nov5.8 °C16.8 °C−3.3 °C666760
Dec2.7 °C14.1 °C−7.0 °C6655150
Year10.6 °C32.9 °C−8.3 °C85517036358

Source: MeteoSwiss open data (1991–2020 normals) — stations Basel / Binningen (7 km, 316 m), St. Chrischona (15 km, 493 m), Delémont (20 km, 439 m), adjusted to the elevation of Witterswil (351 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.