What is the weather in Basel today?

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

What is the 15-day forecast for Basel?

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

Will it rain tomorrow in Basel?

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

What is the air quality in Basel?

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

Are there weather alerts for Basel?

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

At what altitude is Basel located?

Basel sits at around 268 m above sea level in the canton of Basel-City. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Basel?

The warmest month in Basel is July, averaging 20.4 °C (1991–2020 normal). The coldest is January at 2.5 °C.

How much does it rain in Basel per year?

Basel receives about 832 mm of precipitation a year. The wettest month is May (96 mm), the driest February (45 mm).

When is the best time to visit Basel?

For warmth and sunshine: July (20.4 °C on average, 235 h of sun). The coldest month is January (2.5 °C). Check the 15-day forecast above for your dates.

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Weather in Basel

Basel-City, 268 m · continuously updated

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

Birs: 14.4 °C at Münchenstein, Hofmatt river temperature · FOEN gauge 4.8 km away · 27.09. 00h

Temperature · last 4 and next 28 hours

Basel weather: the next 24 hours

Updated hourly.

Basel weather hour by hour (48 h)

Basel 15-day forecast

Two-week trend.

Basel 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 Basel

Neighbouring municipalities, as the crow flies.

Binningen2 km Münchenstein3 km Riehen3 km Bottmingen3 km Birsfelden4 km Allschwil4 km Oberwil (BL)5 km Muttenz5 km

7-day forecast for Basel

Today (Sunday 27 Sep) in Basel: mostly sunny, 14 to 29 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: overcast, 17 to 29 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	14 °C	29 °C	0.0 mm	7 km/h
Tomorrow	overcast	17 °C	29 °C	0.0 mm	10 km/h
Tue 29 Sep	overcast	13 °C	28 °C	0.0 mm	5 km/h
Wed 30 Sep	overcast	16 °C	25 °C	0.0 mm	4 km/h
Thu 1 Oct	light rain	16 °C	19 °C	5.1 mm	3 km/h
Fri 2 Oct	fog	14 °C	22 °C	0.0 mm	7 km/h
Sat 3 Oct	fog	14 °C	23 °C	0.0 mm	6 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 268 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Basel

Sunday 27 Sep in Basel, hour by hour: sunny in the morning, sunny in the afternoon, mostly sunny in the evening. Low 14 °C around 08:00, high 29 °C around 17:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	16 °C	5 km/h
01:00	sunny	16 °C	5 km/h
02:00	sunny	15 °C	5 km/h
03:00	sunny	15 °C	5 km/h
04:00	sunny	14 °C	5 km/h
05:00	sunny	14 °C	5 km/h
06:00	sunny	14 °C	5 km/h
07:00	sunny	14 °C	5 km/h
08:00	sunny	14 °C	6 km/h
09:00	sunny	15 °C	7 km/h
10:00	sunny	18 °C	6 km/h
11:00	sunny	21 °C	6 km/h
12:00	sunny	24 °C	4 km/h
13:00	sunny	26 °C	2 km/h
14:00	sunny	27 °C	3 km/h
15:00	sunny	28 °C	4 km/h
16:00	mostly sunny	29 °C	3 km/h
17:00	mostly sunny	29 °C	2 km/h
18:00	sunny	29 °C	4 km/h
19:00	sunny	27 °C	3 km/h
20:00	mostly sunny	23 °C	5 km/h
21:00	mostly sunny	21 °C	3 km/h
22:00	mostly sunny	19 °C	4 km/h
23:00	mostly sunny	19 °C	4 km/h

Hourly forecast issued 27.09.2026 for Basel (268 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Basel weather tomorrow

Tomorrow, Monday 28 Sep, in Basel: overcast, 17 to 29 °C, wind up to 10 km/h. No precipitation expected.

Basel weekend weather

This weekend in Basel: Saturday fog, 14 to 23 °C; Sunday mostly sunny, 14 to 29 °C.

Will it rain in Basel this week?

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

The best day to go out in Basel

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

The last 7 days in Basel

From 20 Sep to 26 Sep: 17.4 °C on average, 1.7 °C above the September normal (15.7 °C), 0 mm of precipitation (7-day normal: 16 mm). Warmest day: saturday 26 Sep (28 °C); coolest night: wednesday 23 Sep (9 °C).

Day	Min	Max
Sun 20 Sep	13 °C	26 °C
Mon 21 Sep	14 °C	21 °C
Tue 22 Sep	9 °C	22 °C
Wed 23 Sep	9 °C	24 °C
Thu 24 Sep	10 °C	23 °C
Fri 25 Sep	10 °C	24 °C
Sat 26 Sep	10 °C	28 °C

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

Climate of Basel: 1991–2020 normals

In Basel (268 m), the mean annual temperature is 11.2 °C. The warmest month is July (20.4 °C on average) and the coldest January (2.5 °C). About 832 mm of precipitation falls per year, peaking in May (96 mm) with a minimum in February (45 mm). The sun shines for about 1717 hours a year, mostly in July (235 h). On average there are 60 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 33.7 °C and the absolute minimum −7.5 °C.

11.2 °CMean annual temperature

832 mmPrecipitation per year

1717 hSunshine hours per year

60Frost days per year

59Summer 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	2.5 °C	14.0 °C	−7.5 °C	47	67	16	0
Feb	3.5 °C	15.5 °C	−6.6 °C	45	89	13	0
Mar	7.3 °C	20.5 °C	−3.2 °C	49	139	8	0
Apr	11.0 °C	25.0 °C	−0.2 °C	63	170	2	1
May	14.9 °C	28.5 °C	4.0 °C	96	186	0	5
Jun	18.5 °C	32.2 °C	8.1 °C	86	211	0	13
Jul	20.4 °C	33.7 °C	10.4 °C	88	235	0	18
Aug	19.9 °C	32.8 °C	9.7 °C	87	219	0	16
Sep	15.7 °C	27.5 °C	5.8 °C	69	165	0	5
Oct	11.3 °C	23.2 °C	1.6 °C	74	112	1	0
Nov	6.3 °C	17.2 °C	−2.8 °C	64	68	6	0
Dec	3.2 °C	14.5 °C	−6.3 °C	64	56	15	0
Year	11.2 °C	33.7 °C	−7.5 °C	832	1717	60	59

Source: MeteoSwiss open data (1991–2020 normals) — stations Basel / Binningen (2 km, 316 m), St. Chrischona (8 km, 493 m), Rünenberg (26 km, 611 m), adjusted to the elevation of Basel (268 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.