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Weather in Blenio

Ticino, 800 m · continuously updated

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Humidity
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Temperature · last 4 and next 28 hours

Blenio weather: the next 24 hours

Updated hourly.

Blenio weather hour by hour (48 h)

Blenio 15-day forecast

Two-week trend.

Blenio weekend weatherRain 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 Blenio

Neighbouring municipalities, as the crow flies.

7-day forecast for Blenio

Today (Saturday 14 Nov) in Blenio: fog, −2 to 7 °C, precipitation 0.0 mm (5 %), wind up to 5 km/h. Tomorrow: light rain, 2 to 7 °C. The day runs 3.0 °C below the November norm (5.0 °C monthly mean, MeteoSwiss 1991–2020).

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayfog−2 °C7 °C0.0 mm5 km/h
Tomorrowlight rain2 °C7 °C0.2 mm5 km/h
Mon 16 Novshowers3 °C10 °C2.0 mm8 km/h
Tue 17 Novlight rain5 °C6 °C4.0 mm5 km/h
Wed 18 Novlight rain5 °C9 °C3.6 mm8 km/h
Thu 19 Novovercast5 °C9 °C0.0 mm9 km/h
Fri 20 Novovercast2 °C6 °C0.0 mm16 km/h

Forecast updated on 14.11.2026 at 11:34 (Open-Meteo model, elevation 800 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Blenio. Tomorrow: rain from 02:00 to 04:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Blenio

Saturday 14 Nov in Blenio, hour by hour: sunny in the morning, partly cloudy in the afternoon, overcast in the evening. Low −2 °C around 07:00, high 7 °C around 12:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny2 °C0.0 mm4 km/h
01:00sunny0 °C0.0 mm4 km/h
02:00sunny0 °C0.0 mm5 km/h
03:00sunny−1 °C0.0 mm4 km/h
04:00sunny−2 °C0.0 mm5 km/h
05:00sunny−2 °C0.0 mm4 km/h
06:00sunny−2 °C0.0 mm4 km/h
07:00sunny−2 °C0.0 mm4 km/h
08:00sunny−1 °C0.0 mm4 km/h
09:00sunny1 °C0.0 mm3 km/h
10:00sunny3 °C0.0 mm1 km/h
11:00sunny5 °C0.0 mm2 km/h
12:00partly cloudy7 °C0.0 mm2 km/h
13:00partly cloudy6 °C0.0 mm2 km/h
14:00partly cloudy6 °C0.0 mm2 km/h
15:00partly cloudy6 °C0.0 mm2 km/h
16:00overcast6 °C0.0 mm3 km/h
17:00overcast5 °C0.0 mm2 km/h
18:00overcast5 °C0.0 mm3 km/h
19:00overcast4 °C0.0 mm4 km/h
20:00overcast4 °C0.0 mm3 km/h
21:00overcast4 °C0.0 mm2 km/h
22:00fog3 °C0.0 mm4 km/h
23:00overcast4 °C0.0 mm3 km/h

Hourly forecast issued 14.11.2026 for Blenio (800 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Weather today in Blenio

Today, Saturday 14 Nov in Blenio: fog, −2 to 7 °C, wind up to 5 km/h. No precipitation expected. That is 3.0 °C below the climate normal for November in Blenio (5.0 °C average over 1991-2020).

Blenio weather tomorrow

Tomorrow, Sunday 15 Nov, in Blenio: light rain, 2 to 7 °C, wind up to 5 km/h. Precipitation expected: 0.2 mm, 49 % probability.

What is the temperature in Blenio?

Today in Blenio (800 m): −2 to 7 °C. Tomorrow: 2 to 7 °C. Over the next 7 days, highs range from 6 to 10 °C, averaging 8 °C.

Blenio weekend weather

This weekend in Blenio: Saturday fog, −2 to 7 °C; Sunday light rain, 2 to 7 °C.

Will it rain in Blenio this week?

Yes: 3 days with precipitation are expected in Blenio over the next 7 days, 9.8 mm in total. Wettest day: Tuesday 17 Nov (4.0 mm).

What is the UV index in Blenio?

Today in Blenio (800 m), the UV index peaks at 2 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.

The best day to go out in Blenio

The best day of the next 7 in Blenio: Thursday 19 Nov, overcast, up to 9 °C.

Climate of Blenio: 1991–2020 normals

In Blenio (800 m), the mean annual temperature is 9.4 °C. The warmest month is July (18.2 °C on average) and the coldest January (1.1 °C). About 1358 mm of precipitation falls per year, peaking in August (170 mm) with a minimum in February (47 mm). The sun shines for about 1449 hours a year, mostly in July (173 h). On average there are 71 frost days and 8 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.2 °C and the absolute minimum −7.5 °C.

9.4 °CMean annual temperature
1358 mmPrecipitation per year
1449 hSunshine hours per year
71Frost days per year
59Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan1.1 °C12.8 °C−7.5 °C6188220
Feb2.0 °C13.9 °C−7.0 °C47100160
Mar5.7 °C18.6 °C−4.7 °C6213370
Apr9.0 °C21.2 °C−1.6 °C11013510
May12.6 °C24.9 °C2.7 °C13713404
Jun16.4 °C28.3 °C6.5 °C138154013
Jul18.2 °C29.2 °C8.6 °C132173021
Aug17.6 °C28.6 °C8.0 °C170157017
Sep13.8 °C24.6 °C4.5 °C13512803
Oct9.6 °C20.4 °C0.5 °C1449700
Nov5.0 °C15.9 °C−3.6 °C1497470
Dec1.8 °C12.9 °C−6.9 °C7476170
Year9.4 °C29.2 °C−7.5 °C135814497159

At what altitude is Blenio located?

Blenio sits at around 800 m above sea level in the canton of Ticino. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.

What is the warmest month in Blenio?

The warmest month in Blenio is July, averaging 18.2 °C; the coldest is January, at 1.1 °C. The annual mean is 9.4 °C (MeteoSwiss 1991–2020 normals, reference station Acquarossa / Comprovasco).

How much does it rain in Blenio per year?

Blenio receives about 1358 mm of precipitation a year, or 113 mm a month on average. The wettest month is August (170 mm) and the driest February (47 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Blenio have?

Blenio averages 71 frost days a year, most of them in January (22 days). Conversely, 59 summer days exceed 25 °C, 8 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Blenio get per year?

The sun shines for about 1449 hours a year in Blenio. The sunniest month is July (173 h) and the least sunny November (74 h), according to the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Blenio?

In Blenio, the monthly mean rises from 1.1 °C in January to 18.2 °C in July: a 17.1 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −7.5 °C to 29.2 °C.

When is the best time to visit Blenio?

For warmth and sunshine: July (18.2 °C on average, 173 h of sun). To avoid rain, February is the driest month (47 mm). The coldest month is January (1.1 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Acquarossa / Comprovasco (4 km, 575 m), Matro (10 km, 2171 m), S. Bernardino (18 km, 1639 m), adjusted to the elevation of Blenio (800 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.