What is the weather in Wahlen today?

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

What is the 15-day forecast for Wahlen?

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

Will it rain tomorrow in Wahlen?

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

What is the air quality in Wahlen?

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

Are there weather alerts for Wahlen?

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

At what altitude is Wahlen located?

Wahlen sits at around 417 m above sea level in the canton of Basel-Country. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Wahlen?

The warmest month in Wahlen is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 1.4 °C.

How much does it rain in Wahlen per year?

Wahlen receives about 894 mm of precipitation a year. The wettest month is May (98 mm), the driest February (50 mm).

When is the best time to visit Wahlen?

For warmth and sunshine: July (19.2 °C on average, 237 h of sun). The coldest month is January (1.4 °C). Check the 15-day forecast above for your dates.

meteo-ch.ch Search a municipality…

Home › Basel-Country › Wahlen

Weather in Wahlen

Basel-Country, 417 m · continuously updated

–^°C

– –

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

Temperature · last 4 and next 28 hours

Wahlen weather: the next 24 hours

Updated hourly.

Wahlen weather hour by hour (48 h)

Wahlen 15-day forecast

Two-week trend.

Wahlen weekend weather Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

–

Air quality

–

European index, measured continuously.

UV index

–

Daily maximum — protection advised from 3.

Freezing level

–

Snow settles about 300 m below it.

Around Wahlen

Neighbouring municipalities, as the crow flies.

Grindel2 km Laufen2 km Büsserach3 km Breitenbach3 km Bärschwil4 km Erschwil4 km Zwingen4 km Brislach4 km

7-day forecast for Wahlen

Today (Sunday 27 Sep) in Wahlen: fog, 7 to 29 °C, precipitation 0.0 mm (0 %), wind up to 11 km/h. Tomorrow: overcast, 11 to 29 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	fog	7 °C	29 °C	0.0 mm	11 km/h
Tomorrow	overcast	11 °C	29 °C	0.0 mm	14 km/h
Tue 29 Sep	overcast	14 °C	27 °C	0.0 mm	8 km/h
Wed 30 Sep	overcast	17 °C	25 °C	0.3 mm	5 km/h
Thu 1 Oct	light rain	16 °C	19 °C	5.1 mm	4 km/h
Fri 2 Oct	fog	14 °C	20 °C	0.0 mm	8 km/h
Sat 3 Oct	fog	14 °C	22 °C	0.0 mm	7 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 417 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Wahlen

Sunday 27 Sep in Wahlen, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 8 °C around 07:00, high 29 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	10 °C	4 km/h
01:00	sunny	9 °C	2 km/h
02:00	sunny	9 °C	2 km/h
03:00	sunny	9 °C	2 km/h
04:00	sunny	9 °C	2 km/h
05:00	sunny	8 °C	2 km/h
06:00	sunny	8 °C	2 km/h
07:00	sunny	8 °C	2 km/h
08:00	sunny	8 °C	2 km/h
09:00	sunny	10 °C	1 km/h
10:00	sunny	16 °C	1 km/h
11:00	sunny	21 °C	1 km/h
12:00	sunny	26 °C	2 km/h
13:00	sunny	28 °C	5 km/h
14:00	sunny	28 °C	9 km/h
15:00	sunny	29 °C	9 km/h
16:00	sunny	29 °C	8 km/h
17:00	sunny	29 °C	11 km/h
18:00	sunny	28 °C	8 km/h
19:00	sunny	25 °C	3 km/h
20:00	sunny	16 °C	4 km/h
21:00	mostly sunny	13 °C	3 km/h
22:00	sunny	12 °C	2 km/h
23:00	mostly sunny	12 °C	2 km/h

Hourly forecast issued 27.09.2026 for Wahlen (417 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Wahlen weather tomorrow

Tomorrow, Monday 28 Sep, in Wahlen: overcast, 11 to 29 °C, wind up to 14 km/h. No precipitation expected.

Wahlen weekend weather

This weekend in Wahlen: Saturday fog, 14 to 22 °C; Sunday fog, 7 to 29 °C.

Will it rain in Wahlen this week?

Yes: 1 day with precipitation is expected in Wahlen over the next 7 days, 5.4 mm in total. Wettest day: Thursday 1 Oct (5.1 mm).

The best day to go out in Wahlen

The best day of the next 7 in Wahlen: Monday 28 Sep, overcast, up to 29 °C.

The last 7 days in Wahlen

From 20 Sep to 26 Sep: 15.1 °C on average, in line with the September normal (14.6 °C), 0 mm of precipitation (7-day normal: 17 mm). Warmest day: saturday 26 Sep (27 °C); coolest night: wednesday 23 Sep (5 °C).

Day	Min	Max
Sun 20 Sep	9 °C	26 °C
Mon 21 Sep	10 °C	21 °C
Tue 22 Sep	6 °C	21 °C
Wed 23 Sep	5 °C	24 °C
Thu 24 Sep	5 °C	23 °C
Fri 25 Sep	6 °C	23 °C
Sat 26 Sep	6 °C	27 °C

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

Climate of Wahlen: 1991–2020 normals

In Wahlen (417 m), the mean annual temperature is 10.1 °C. The warmest month is July (19.2 °C on average) and the coldest January (1.4 °C). About 894 mm of precipitation falls per year, peaking in May (98 mm) with a minimum in February (50 mm). The sun shines for about 1644 hours a year, mostly in July (237 h). On average there are 75 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.7 °C and the absolute minimum −9.9 °C.

10.1 °CMean annual temperature

894 mmPrecipitation per year

1644 hSunshine hours per year

75Frost days per year

58Summer 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	1.4 °C	13.3 °C	−9.9 °C	52	63	18	0
Feb	2.4 °C	15.1 °C	−8.7 °C	50	86	16	0
Mar	6.1 °C	20.1 °C	−5.3 °C	53	135	11	0
Apr	9.8 °C	24.3 °C	−1.8 °C	67	163	4	1
May	13.8 °C	27.8 °C	2.5 °C	98	175	0	5
Jun	17.3 °C	31.3 °C	6.5 °C	93	199	0	12
Jul	19.2 °C	32.7 °C	8.7 °C	96	237	0	18
Aug	18.7 °C	32.0 °C	8.2 °C	96	215	0	16
Sep	14.6 °C	26.8 °C	4.3 °C	74	153	0	5
Oct	10.4 °C	23.0 °C	0.3 °C	76	105	1	0
Nov	5.3 °C	17.2 °C	−4.3 °C	70	61	8	0
Dec	2.2 °C	14.0 °C	−8.7 °C	70	52	16	0
Year	10.1 °C	32.7 °C	−9.9 °C	894	1644	75	58

Source: MeteoSwiss open data (1991–2020 normals) — stations Delémont (13 km, 439 m), Basel / Binningen (17 km, 316 m), St. Chrischona (23 km, 493 m), adjusted to the elevation of Wahlen (417 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.