What is the weather in Riehen today?

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

What is the 15-day forecast for Riehen?

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

Will it rain tomorrow in Riehen?

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

What is the air quality in Riehen?

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

Are there weather alerts for Riehen?

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

At what altitude is Riehen located?

Riehen sits at around 296 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 Riehen?

The warmest month in Riehen is July, averaging 19.6 °C (1991–2020 normal). The coldest is January at 2.2 °C.

How much does it rain in Riehen per year?

Riehen receives about 840 mm of precipitation a year. The wettest month is May (97 mm), the driest February (45 mm).

When is the best time to visit Riehen?

For warmth and sunshine: July (19.6 °C on average, 235 h of sun). The coldest month is January (2.2 °C). Check the 15-day forecast above for your dates.

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Home › Basel-City › Riehen

Weather in Riehen

Basel-City, 296 m · continuously updated

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

Rhein: 20.1 °C at Weil, Palmrainbrücke river temperature · FOEN gauge 4.5 km away · 27.09. 00h

Temperature · last 4 and next 28 hours

Riehen weather: the next 24 hours

Updated hourly.

Riehen weather hour by hour (48 h)

Riehen 15-day forecast

Two-week trend.

Riehen 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 Riehen

Neighbouring municipalities, as the crow flies.

Birsfelden2 km Basel3 km Muttenz4 km Bettingen4 km Münchenstein4 km Binningen4 km Bottmingen6 km Augst7 km

7-day forecast for Riehen

Today (Sunday 27 Sep) in Riehen: mostly sunny, 14 to 29 °C, precipitation 0.0 mm (0 %), wind up to 8 km/h. Tomorrow: overcast, 16 to 29 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	14 °C	29 °C	0.0 mm	8 km/h
Tomorrow	overcast	16 °C	29 °C	0.0 mm	9 km/h
Tue 29 Sep	overcast	12 °C	28 °C	0.0 mm	6 km/h
Wed 30 Sep	overcast	16 °C	26 °C	0.0 mm	5 km/h
Thu 1 Oct	light rain	16 °C	19 °C	4.8 mm	3 km/h
Fri 2 Oct	fog	13 °C	21 °C	0.0 mm	8 km/h
Sat 3 Oct	fog	12 °C	22 °C	0.0 mm	6 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 296 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Riehen

Sunday 27 Sep in Riehen, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 14 °C around 08:00, high 29 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	15 °C	6 km/h
01:00	sunny	14 °C	5 km/h
02:00	sunny	14 °C	6 km/h
03:00	sunny	14 °C	6 km/h
04:00	sunny	14 °C	6 km/h
05:00	sunny	14 °C	7 km/h
06:00	sunny	14 °C	7 km/h
07:00	sunny	14 °C	7 km/h
08:00	sunny	14 °C	7 km/h
09:00	sunny	16 °C	8 km/h
10:00	sunny	19 °C	8 km/h
11:00	sunny	22 °C	7 km/h
12:00	sunny	24 °C	5 km/h
13:00	sunny	26 °C	2 km/h
14:00	sunny	27 °C	2 km/h
15:00	sunny	28 °C	3 km/h
16:00	sunny	29 °C	3 km/h
17:00	mostly sunny	29 °C	3 km/h
18:00	sunny	28 °C	5 km/h
19:00	sunny	26 °C	4 km/h
20:00	mostly sunny	21 °C	6 km/h
21:00	mostly sunny	20 °C	6 km/h
22:00	sunny	18 °C	6 km/h
23:00	mostly sunny	18 °C	6 km/h

Hourly forecast issued 27.09.2026 for Riehen (296 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Riehen weather tomorrow

Tomorrow, Monday 28 Sep, in Riehen: overcast, 16 to 29 °C, wind up to 9 km/h. No precipitation expected.

Riehen weekend weather

This weekend in Riehen: Saturday fog, 12 to 22 °C; Sunday mostly sunny, 14 to 29 °C.

Will it rain in Riehen this week?

Yes: 1 day with precipitation is expected in Riehen over the next 7 days, 4.8 mm in total. Wettest day: Thursday 1 Oct (4.8 mm).

The best day to go out in Riehen

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

The last 7 days in Riehen

From 20 Sep to 26 Sep: 16.8 °C on average, 1.7 °C above the September normal (15.1 °C), 0 mm of precipitation (7-day normal: 16 mm). Warmest day: saturday 26 Sep (27 °C); coolest night: wednesday 23 Sep (7 °C).

Day	Min	Max
Sun 20 Sep	12 °C	26 °C
Mon 21 Sep	14 °C	21 °C
Tue 22 Sep	8 °C	22 °C
Wed 23 Sep	7 °C	24 °C
Thu 24 Sep	9 °C	23 °C
Fri 25 Sep	10 °C	23 °C
Sat 26 Sep	10 °C	27 °C

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

Climate of Riehen: 1991–2020 normals

In Riehen (296 m), the mean annual temperature is 10.8 °C. The warmest month is July (19.6 °C on average) and the coldest January (2.2 °C). About 840 mm of precipitation falls per year, peaking in May (97 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 32.0 °C and the absolute minimum −7.9 °C.

10.8 °CMean annual temperature

840 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	2.2 °C	13.3 °C	−7.9 °C	48	67	16	0
Feb	3.4 °C	15.0 °C	−6.5 °C	45	89	13	0
Mar	7.0 °C	20.3 °C	−3.6 °C	50	139	8	0
Apr	10.7 °C	24.3 °C	−0.3 °C	63	170	2	1
May	14.6 °C	27.9 °C	4.3 °C	97	186	0	5
Jun	17.9 °C	30.9 °C	7.9 °C	86	211	0	13
Jul	19.6 °C	32.0 °C	10.2 °C	89	235	0	18
Aug	19.2 °C	31.3 °C	9.6 °C	88	219	0	16
Sep	15.1 °C	26.0 °C	6.0 °C	70	165	0	5
Oct	11.0 °C	22.5 °C	1.9 °C	74	112	1	0
Nov	6.0 °C	16.6 °C	−2.8 °C	65	68	6	0
Dec	3.0 °C	14.1 °C	−6.3 °C	65	56	15	0
Year	10.8 °C	32.0 °C	−7.9 °C	840	1717	60	59

Source: MeteoSwiss open data (1991–2020 normals) — stations Basel / Binningen (4 km, 316 m), St. Chrischona (4 km, 493 m), Rünenberg (24 km, 611 m), adjusted to the elevation of Riehen (296 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.