What is the weather in Tresa today?

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

What is the 15-day forecast for Tresa?

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

Will it rain tomorrow in Tresa?

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

What is the air quality in Tresa?

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

Are there weather alerts for Tresa?

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

At what altitude is Tresa located?

Tresa sits at around 482 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 Tresa?

The warmest month in Tresa is July, averaging 21.2 °C (1991–2020 normal). The coldest is January at 2.9 °C.

How much does it rain in Tresa per year?

Tresa receives about 1505 mm of precipitation a year. The wettest month is November (169 mm), the driest February (60 mm).

When is the best time to visit Tresa?

For warmth and sunshine: July (21.2 °C on average, 263 h of sun). The coldest month is January (2.9 °C). Check the 15-day forecast above for your dates.

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Home › Ticino › Tresa

Weather in Tresa

Ticino, 482 m · continuously updated

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Wind: –
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Rain ahead: –
Sunset: –

Tresa: 22.6 °C at Ponte Tresa, Rocchetta river temperature · FOEN gauge 2.8 km away · 27.09. 00h

Temperature · last 4 and next 28 hours

Tresa weather: the next 24 hours

Updated hourly.

Tresa weather hour by hour (48 h)

Tresa 15-day forecast

Two-week trend.

Tresa 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 Tresa

Neighbouring municipalities, as the crow flies.

Lema1 km Pura2 km Vernate3 km Neggio3 km Aranno4 km Magliaso4 km Caslano4 km Agno5 km

7-day forecast for Tresa

Today (Sunday 27 Sep) in Tresa: mostly sunny, 12 to 22 °C, precipitation 0.0 mm (0 %), wind up to 4 km/h. Tomorrow: partly cloudy, 13 to 23 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	12 °C	22 °C	0.0 mm	4 km/h
Tomorrow	partly cloudy	13 °C	23 °C	0.0 mm	5 km/h
Tue 29 Sep	overcast	14 °C	21 °C	0.0 mm	7 km/h
Wed 30 Sep	overcast	15 °C	19 °C	0.0 mm	5 km/h
Thu 1 Oct	light rain	14 °C	16 °C	3.3 mm	3 km/h
Fri 2 Oct	overcast	14 °C	19 °C	0.0 mm	6 km/h
Sat 3 Oct	overcast	13 °C	21 °C	0.0 mm	7 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 482 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Tresa

Sunday 27 Sep in Tresa, hour by hour: sunny in the morning, mostly sunny in the afternoon, sunny in the evening. Low 13 °C around 07:00, high 22 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	mostly sunny	14 °C	2 km/h
01:00	sunny	14 °C	2 km/h
02:00	sunny	14 °C	4 km/h
03:00	sunny	14 °C	3 km/h
04:00	sunny	14 °C	2 km/h
05:00	sunny	13 °C	3 km/h
06:00	sunny	13 °C	2 km/h
07:00	sunny	13 °C	3 km/h
08:00	sunny	13 °C	2 km/h
09:00	sunny	15 °C	2 km/h
10:00	sunny	17 °C	0 km/h
11:00	sunny	18 °C	1 km/h
12:00	sunny	20 °C	2 km/h
13:00	mostly sunny	21 °C	1 km/h
14:00	mostly sunny	22 °C	2 km/h
15:00	mostly sunny	22 °C	2 km/h
16:00	mostly sunny	22 °C	3 km/h
17:00	mostly sunny	22 °C	3 km/h
18:00	sunny	21 °C	2 km/h
19:00	sunny	19 °C	1 km/h
20:00	sunny	18 °C	2 km/h
21:00	sunny	17 °C	5 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 Tresa (482 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Tresa weather tomorrow

Tomorrow, Monday 28 Sep, in Tresa: partly cloudy, 13 to 23 °C, wind up to 5 km/h. No precipitation expected.

Tresa weekend weather

This weekend in Tresa: Saturday overcast, 13 to 21 °C; Sunday mostly sunny, 12 to 22 °C.

Will it rain in Tresa this week?

Yes: 1 day with precipitation is expected in Tresa over the next 7 days, 3.3 mm in total. Wettest day: Thursday 1 Oct (3.3 mm).

The best day to go out in Tresa

The best day of the next 7 in Tresa: Sunday 27 Sep, mostly sunny, up to 22 °C.

The last 7 days in Tresa

From 20 Sep to 26 Sep: 17.9 °C on average, 1.4 °C above the September normal (16.5 °C), 0 mm of precipitation (7-day normal: 35 mm). Warmest day: monday 21 Sep (25 °C); coolest night: thursday 24 Sep (12 °C).

Day	Min	Max
Sun 20 Sep	14 °C	24 °C
Mon 21 Sep	15 °C	25 °C
Tue 22 Sep	13 °C	23 °C
Wed 23 Sep	14 °C	21 °C
Thu 24 Sep	12 °C	22 °C
Fri 25 Sep	13 °C	20 °C
Sat 26 Sep	14 °C	20 °C

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

Climate of Tresa: 1991–2020 normals

In Tresa (482 m), the mean annual temperature is 11.7 °C. The warmest month is July (21.2 °C on average) and the coldest January (2.9 °C). About 1505 mm of precipitation falls per year, peaking in November (169 mm) with a minimum in February (60 mm). The sun shines for about 2114 hours a year, mostly in July (263 h). On average there are 37 frost days and 13 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.8 °C and the absolute minimum −4.4 °C.

11.7 °CMean annual temperature

1505 mmPrecipitation per year

2114 hSunshine hours per year

37Frost days per year

76Summer 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	2.9 °C	13.6 °C	−4.4 °C	62	123	12	0
Feb	3.9 °C	14.9 °C	−3.9 °C	60	142	9	0
Mar	7.5 °C	19.9 °C	−1.6 °C	77	190	3	0
Apr	10.9 °C	22.0 °C	1.8 °C	136	182	1	0
May	15.0 °C	25.7 °C	6.1 °C	168	201	0	4
Jun	19.0 °C	29.1 °C	9.9 °C	161	230	0	16
Jul	21.2 °C	29.8 °C	12.1 °C	141	263	0	25
Aug	20.7 °C	29.5 °C	11.9 °C	148	245	0	24
Sep	16.5 °C	25.3 °C	8.1 °C	151	189	0	6
Oct	12.1 °C	21.5 °C	3.8 °C	150	139	0	0
Nov	7.4 °C	16.5 °C	−0.6 °C	169	104	3	0
Dec	3.7 °C	13.7 °C	−4.1 °C	81	106	10	0
Year	11.7 °C	29.8 °C	−4.4 °C	1505	2114	37	76

Source: MeteoSwiss open data (1991–2020 normals) — stations Lugano (9 km, 273 m), Monte Generoso (16 km, 1600 m), Stabio (18 km, 351 m), adjusted to the elevation of Tresa (482 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.