What is the weather in Mendrisio today?

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

What is the 15-day forecast for Mendrisio?

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

Will it rain tomorrow in Mendrisio?

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

What is the air quality in Mendrisio?

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

Are there weather alerts for Mendrisio?

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

At what altitude is Mendrisio located?

Mendrisio sits at around 308 m above sea level in the canton of Ticino. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Mendrisio?

The warmest month in Mendrisio is July, averaging 21.7 °C (1991–2020 normal). The coldest is January at 4.9 °C.

How much does it rain in Mendrisio per year?

Mendrisio receives about 1108 mm of precipitation a year. The wettest month is November (133 mm), the driest January (42 mm).

When is the best time to visit Mendrisio?

For warmth and sunshine: July (21.7 °C on average, 263 h of sun). The coldest month is January (4.9 °C). Check the 15-day forecast above for your dates.

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Home › Ticino › Mendrisio

Weather in Mendrisio

Ticino, 308 m · continuously updated

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

Temperature · last 4 and next 28 hours

Mendrisio weather: the next 24 hours

Updated hourly.

Mendrisio weather hour by hour (48 h)

Mendrisio 15-day forecast

Two-week trend.

Mendrisio 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 Mendrisio

Neighbouring municipalities, as the crow flies.

Riva San Vitale2 km Castel San Pietro4 km Val Mara4 km Brusino Arsizio4 km Bissone6 km Coldrerio6 km Stabio6 km Vico Morcote6 km

7-day forecast for Mendrisio

Today (Sunday 27 Sep) in Mendrisio: mostly sunny, 12 to 23 °C, precipitation 0.0 mm (0 %), wind up to 6 km/h. Tomorrow: mostly sunny, 14 to 23 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	12 °C	23 °C	0.0 mm	6 km/h
Tomorrow	mostly sunny	14 °C	23 °C	0.0 mm	8 km/h
Tue 29 Sep	overcast	15 °C	22 °C	0.0 mm	6 km/h
Wed 30 Sep	overcast	16 °C	21 °C	0.3 mm	7 km/h
Thu 1 Oct	light rain	14 °C	17 °C	3.9 mm	5 km/h
Fri 2 Oct	overcast	14 °C	21 °C	0.0 mm	5 km/h
Sat 3 Oct	fog	12 °C	22 °C	0.0 mm	7 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 308 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Mendrisio

Sunday 27 Sep in Mendrisio, hour by hour: sunny in the morning, sunny in the afternoon, mostly sunny in the evening. Low 12 °C around 05:00, high 23 °C around 15:00. No rainy hour.

Show the 24-hour table

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

Hourly forecast issued 27.09.2026 for Mendrisio (308 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Mendrisio weather tomorrow

Tomorrow, Monday 28 Sep, in Mendrisio: mostly sunny, 14 to 23 °C, wind up to 8 km/h. No precipitation expected.

Mendrisio weekend weather

This weekend in Mendrisio: Saturday fog, 12 to 22 °C; Sunday mostly sunny, 12 to 23 °C.

Will it rain in Mendrisio this week?

Yes: 1 day with precipitation is expected in Mendrisio over the next 7 days, 4.2 mm in total. Wettest day: Thursday 1 Oct (3.9 mm).

The best day to go out in Mendrisio

The best day of the next 7 in Mendrisio: Monday 28 Sep, mostly sunny, up to 23 °C.

The last 7 days in Mendrisio

From 20 Sep to 26 Sep: 19.2 °C on average, 0 mm of precipitation. Warmest day: monday 21 Sep (28 °C); coolest night: thursday 24 Sep (13 °C).

Day	Min	Max
Sun 20 Sep	16 °C	25 °C
Mon 21 Sep	18 °C	28 °C
Tue 22 Sep	16 °C	23 °C
Wed 23 Sep	15 °C	22 °C
Thu 24 Sep	13 °C	22 °C
Fri 25 Sep	15 °C	20 °C
Sat 26 Sep	15 °C	21 °C

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

Climate of Mendrisio: 1991–2020 normals

In Mendrisio (308 m), the mean annual temperature is 12.8 °C. The warmest month is July (21.7 °C on average) and the coldest January (4.9 °C). About 1108 mm of precipitation falls per year, peaking in November (133 mm) with a minimum in January (42 mm). The sun shines for about 2056 hours a year, mostly in July (263 h). On average there are 72 frost days and 16 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.6 °C and the absolute minimum −3.7 °C.

12.8 °CMean annual temperature

1108 mmPrecipitation per year

2056 hSunshine hours per year

72Frost days per year

80Summer 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	4.9 °C	15.1 °C	−3.7 °C	42	118	20	0
Feb	5.6 °C	15.8 °C	−2.7 °C	43	139	17	0
Mar	8.1 °C	19.0 °C	−1.3 °C	64	184	9	0
Apr	11.4 °C	21.1 °C	2.6 °C	109	178	2	1
May	15.5 °C	25.4 °C	6.9 °C	120	199	0	5
Jun	19.6 °C	28.8 °C	10.8 °C	118	227	0	17
Jul	21.7 °C	29.6 °C	13.4 °C	91	263	0	26
Aug	21.3 °C	29.1 °C	13.1 °C	107	241	0	24
Sep	17.1 °C	25.1 °C	9.3 °C	96	178	0	7
Oct	13.5 °C	22.7 °C	5.4 °C	120	130	1	0
Nov	9.2 °C	18.2 °C	0.9 °C	133	99	7	0
Dec	6.1 °C	15.7 °C	−2.9 °C	66	100	18	0
Year	12.8 °C	29.6 °C	−3.7 °C	1108	2056	72	80

Source: MeteoSwiss open data (1991–2020 normals) — stations Monte Generoso (4 km, 1600 m), Stabio (8 km, 351 m), Lugano (11 km, 273 m), adjusted to the elevation of Mendrisio (308 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.