What is the weather in Rheinfelden today?

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

What is the 15-day forecast for Rheinfelden?

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

Will it rain tomorrow in Rheinfelden?

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

What is the air quality in Rheinfelden?

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

Are there weather alerts for Rheinfelden?

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

At what altitude is Rheinfelden located?

Rheinfelden sits at around 290 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Rheinfelden?

The warmest month in Rheinfelden is July, averaging 19.4 °C (1991–2020 normal). The coldest is January at 2.2 °C.

How much does it rain in Rheinfelden per year?

Rheinfelden receives about 864 mm of precipitation a year. The wettest month is May (100 mm), the driest February (45 mm).

When is the best time to visit Rheinfelden?

For warmth and sunshine: July (19.4 °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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Weather in Rheinfelden

Aargau, 290 m · continuously updated

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

Rhein: 18.8 °C at Rheinfelden river temperature · FOEN gauge 3.5 km away · 27.09. 00h

Temperature · last 4 and next 28 hours

Rheinfelden weather: the next 24 hours

Updated hourly.

Rheinfelden weather hour by hour (48 h)

Rheinfelden 15-day forecast

Two-week trend.

Rheinfelden 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 Rheinfelden

Neighbouring municipalities, as the crow flies.

Olsberg2 km Kaiseraugst2 km Giebenach2 km Arisdorf3 km Magden3 km Füllinsdorf4 km Augst5 km Frenkendorf5 km

7-day forecast for Rheinfelden

Today (Sunday 27 Sep) in Rheinfelden: mostly sunny, 11 to 28 °C, precipitation 0.0 mm (0 %), wind up to 9 km/h. Tomorrow: overcast, 13 to 29 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	11 °C	28 °C	0.0 mm	9 km/h
Tomorrow	overcast	13 °C	29 °C	0.0 mm	10 km/h
Tue 29 Sep	overcast	11 °C	27 °C	0.1 mm	8 km/h
Wed 30 Sep	overcast	15 °C	25 °C	0.0 mm	4 km/h
Thu 1 Oct	light rain	16 °C	19 °C	5.7 mm	4 km/h
Fri 2 Oct	fog	14 °C	21 °C	0.0 mm	4 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 290 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Rheinfelden

Sunday 27 Sep in Rheinfelden, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 11 °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	12 °C	3 km/h
01:00	sunny	11 °C	4 km/h
02:00	sunny	11 °C	3 km/h
03:00	sunny	11 °C	2 km/h
04:00	sunny	11 °C	2 km/h
05:00	sunny	11 °C	2 km/h
06:00	sunny	11 °C	2 km/h
07:00	sunny	11 °C	2 km/h
08:00	sunny	11 °C	2 km/h
09:00	sunny	13 °C	3 km/h
10:00	sunny	19 °C	7 km/h
11:00	sunny	21 °C	8 km/h
12:00	sunny	24 °C	8 km/h
13:00	sunny	26 °C	6 km/h
14:00	sunny	27 °C	4 km/h
15:00	sunny	28 °C	5 km/h
16:00	sunny	29 °C	6 km/h
17:00	mostly sunny	29 °C	5 km/h
18:00	sunny	28 °C	5 km/h
19:00	sunny	23 °C	7 km/h
20:00	sunny	19 °C	7 km/h
21:00	mostly sunny	17 °C	5 km/h
22:00	sunny	17 °C	4 km/h
23:00	sunny	16 °C	2 km/h

Hourly forecast issued 27.09.2026 for Rheinfelden (290 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Rheinfelden weather tomorrow

Tomorrow, Monday 28 Sep, in Rheinfelden: overcast, 13 to 29 °C, wind up to 10 km/h. No precipitation expected.

Rheinfelden weekend weather

This weekend in Rheinfelden: Saturday fog, 14 to 23 °C; Sunday mostly sunny, 11 to 28 °C.

Will it rain in Rheinfelden this week?

Yes: 1 day with precipitation is expected in Rheinfelden over the next 7 days, 5.8 mm in total. Wettest day: Thursday 1 Oct (5.7 mm).

The best day to go out in Rheinfelden

The best day of the next 7 in Rheinfelden: Sunday 27 Sep, mostly sunny, up to 28 °C.

The last 7 days in Rheinfelden

From 20 Sep to 26 Sep: 15.7 °C on average, in line with the September normal (14.9 °C), 0 mm of precipitation (7-day normal: 17 mm). Warmest day: saturday 26 Sep (27 °C); coolest night: saturday 26 Sep (6 °C).

Day	Min	Max
Sun 20 Sep	9 °C	26 °C
Mon 21 Sep	12 °C	21 °C
Tue 22 Sep	7 °C	22 °C
Wed 23 Sep	7 °C	24 °C
Thu 24 Sep	7 °C	22 °C
Fri 25 Sep	8 °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 Rheinfelden: 1991–2020 normals

In Rheinfelden (290 m), the mean annual temperature is 10.7 °C. The warmest month is July (19.4 °C on average) and the coldest January (2.2 °C). About 864 mm of precipitation falls per year, peaking in May (100 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 31.2 °C and the absolute minimum −7.9 °C.

10.7 °CMean annual temperature

864 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	13.1 °C	−7.9 °C	49	67	16	0
Feb	3.4 °C	14.8 °C	−6.2 °C	45	89	13	0
Mar	7.0 °C	20.2 °C	−3.6 °C	51	139	8	0
Apr	10.6 °C	24.0 °C	−0.2 °C	66	170	2	1
May	14.5 °C	27.6 °C	4.6 °C	100	186	0	5
Jun	17.7 °C	30.2 °C	8.0 °C	89	211	0	13
Jul	19.4 °C	31.2 °C	10.4 °C	94	235	0	18
Aug	19.1 °C	30.6 °C	9.8 °C	93	219	0	16
Sep	14.9 °C	25.4 °C	6.3 °C	72	165	0	5
Oct	11.0 °C	22.2 °C	2.3 °C	73	112	1	0
Nov	6.0 °C	16.5 °C	−2.6 °C	66	68	6	0
Dec	3.1 °C	14.0 °C	−6.1 °C	66	56	15	0
Year	10.7 °C	31.2 °C	−7.9 °C	864	1717	60	59

Source: MeteoSwiss open data (1991–2020 normals) — stations St. Chrischona (7 km, 493 m), Basel / Binningen (13 km, 316 m), Rünenberg (15 km, 611 m), adjusted to the elevation of Rheinfelden (290 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.