What is the weather in Mellingen today?

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

What is the 15-day forecast for Mellingen?

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

Will it rain tomorrow in Mellingen?

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

What is the air quality in Mellingen?

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

Are there weather alerts for Mellingen?

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

At what altitude is Mellingen located?

Mellingen sits at around 353 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 Mellingen?

The warmest month in Mellingen is July, averaging 19.5 °C (1991–2020 normal). The coldest is January at 1.6 °C.

How much does it rain in Mellingen per year?

Mellingen receives about 1014 mm of precipitation a year. The wettest month is July (102 mm), the driest February (68 mm).

When is the best time to visit Mellingen?

For warmth and sunshine: July (19.5 °C on average, 225 h of sun). The coldest month is January (1.6 °C). Check the 15-day forecast above for your dates.

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Home › Aargau › Mellingen

Weather in Mellingen

Aargau, 353 m · continuously updated

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

Reuss: 18.5 °C at Mellingen river temperature · FOEN gauge 0.1 km away · 27.09. 00h

Temperature · last 4 and next 28 hours

Mellingen weather: the next 24 hours

Updated hourly.

Mellingen weather hour by hour (48 h)

Mellingen 15-day forecast

Two-week trend.

Mellingen 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 Mellingen

Neighbouring municipalities, as the crow flies.

Birmenstorf (AG)2 km Niederrohrdorf2 km Wohlenschwil2 km Tägerig3 km Birrhard3 km Stetten (AG)3 km Mägenwil3 km Fislisbach3 km

7-day forecast for Mellingen

Today (Sunday 27 Sep) in Mellingen: partly cloudy, 9 to 27 °C, precipitation 0.0 mm (0 %), wind up to 8 km/h. Tomorrow: overcast, 11 to 28 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	partly cloudy	9 °C	27 °C	0.0 mm	8 km/h
Tomorrow	overcast	11 °C	28 °C	0.0 mm	9 km/h
Tue 29 Sep	overcast	11 °C	26 °C	0.0 mm	5 km/h
Wed 30 Sep	overcast	15 °C	24 °C	0.3 mm	5 km/h
Thu 1 Oct	light rain	15 °C	19 °C	4.2 mm	4 km/h
Fri 2 Oct	fog	13 °C	21 °C	0.0 mm	6 km/h
Sat 3 Oct	fog	14 °C	22 °C	0.0 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 353 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Mellingen

Sunday 27 Sep in Mellingen, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 9 °C around 08:00, high 28 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	14 °C	3 km/h
01:00	sunny	13 °C	1 km/h
02:00	sunny	12 °C	1 km/h
03:00	sunny	11 °C	1 km/h
04:00	sunny	10 °C	2 km/h
05:00	sunny	10 °C	1 km/h
06:00	sunny	10 °C	1 km/h
07:00	sunny	9 °C	2 km/h
08:00	sunny	9 °C	2 km/h
09:00	sunny	11 °C	1 km/h
10:00	sunny	15 °C	1 km/h
11:00	sunny	18 °C	0 km/h
12:00	sunny	21 °C	0 km/h
13:00	sunny	24 °C	2 km/h
14:00	sunny	25 °C	3 km/h
15:00	sunny	27 °C	5 km/h
16:00	sunny	28 °C	6 km/h
17:00	sunny	27 °C	6 km/h
18:00	sunny	26 °C	8 km/h
19:00	sunny	22 °C	6 km/h
20:00	sunny	18 °C	5 km/h
21:00	sunny	16 °C	5 km/h
22:00	mostly sunny	15 °C	4 km/h
23:00	partly cloudy	14 °C	3 km/h

Hourly forecast issued 27.09.2026 for Mellingen (353 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Mellingen weather tomorrow

Tomorrow, Monday 28 Sep, in Mellingen: overcast, 11 to 28 °C, wind up to 9 km/h. No precipitation expected.

Mellingen weekend weather

This weekend in Mellingen: Saturday fog, 14 to 22 °C; Sunday partly cloudy, 9 to 27 °C.

Will it rain in Mellingen this week?

Yes: 1 day with precipitation is expected in Mellingen over the next 7 days, 4.5 mm in total. Wettest day: Thursday 1 Oct (4.2 mm).

The best day to go out in Mellingen

The best day of the next 7 in Mellingen: Sunday 27 Sep, partly cloudy, up to 27 °C.

The last 7 days in Mellingen

From 20 Sep to 26 Sep: 15.5 °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 (26 °C); coolest night: wednesday 23 Sep (6 °C).

Day	Min	Max
Sun 20 Sep	10 °C	26 °C
Mon 21 Sep	13 °C	21 °C
Tue 22 Sep	6 °C	21 °C
Wed 23 Sep	6 °C	22 °C
Thu 24 Sep	7 °C	22 °C
Fri 25 Sep	7 °C	22 °C
Sat 26 Sep	7 °C	26 °C

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

Climate of Mellingen: 1991–2020 normals

In Mellingen (353 m), the mean annual temperature is 10.3 °C. The warmest month is July (19.5 °C on average) and the coldest January (1.6 °C). About 1014 mm of precipitation falls per year, peaking in July (102 mm) with a minimum in February (68 mm). The sun shines for about 1549 hours a year, mostly in July (225 h). On average there are 76 frost days and 15 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.3 °C and the absolute minimum −7.9 °C.

10.3 °CMean annual temperature

1014 mmPrecipitation per year

1549 hSunshine hours per year

76Frost days per year

57Summer 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	1.6 °C	11.6 °C	−7.9 °C	79	41	19	0
Feb	2.3 °C	13.7 °C	−7.0 °C	68	74	18	0
Mar	6.1 °C	18.9 °C	−3.8 °C	73	133	12	0
Apr	10.0 °C	23.6 °C	−0.7 °C	71	169	3	1
May	14.1 °C	27.5 °C	3.7 °C	102	183	0	5
Jun	17.7 °C	31.0 °C	7.5 °C	94	205	0	13
Jul	19.5 °C	32.3 °C	10.0 °C	102	225	0	18
Aug	19.1 °C	31.4 °C	9.5 °C	96	208	0	16
Sep	14.9 °C	26.5 °C	5.6 °C	72	151	0	4
Oct	10.6 °C	21.8 °C	1.5 °C	81	86	1	0
Nov	5.6 °C	16.3 °C	−2.7 °C	81	43	7	0
Dec	2.4 °C	12.2 °C	−6.5 °C	96	31	16	0
Year	10.3 °C	32.3 °C	−7.9 °C	1014	1549	76	57

Source: MeteoSwiss open data (1991–2020 normals) — stations Lägern (12 km, 845 m), Würenlingen / PSI (13 km, 334 m), Buchs / Aarau (15 km, 387 m), adjusted to the elevation of Mellingen (353 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.