What is the weather in Lostallo today?

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

What is the 15-day forecast for Lostallo?

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

Will it rain tomorrow in Lostallo?

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

What is the air quality in Lostallo?

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

Are there weather alerts for Lostallo?

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

At what altitude is Lostallo located?

Lostallo sits at around 1725 m above sea level in the canton of Graubünden. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Lostallo?

The warmest month in Lostallo is July, averaging 13.5 °C (1991–2020 normal). The coldest is January at −4.7 °C.

How much does it rain in Lostallo per year?

Lostallo receives about 1870 mm of precipitation a year. The wettest month is August (221 mm), the driest February (67 mm).

When is the best time to visit Lostallo?

For warmth and sunshine: July (13.5 °C on average, 167 h of sun). The coldest month is January (−4.7 °C). Check the 15-day forecast above for your dates.

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Home › Graubünden › Lostallo

Weather in Lostallo

Graubünden, 1725 m · continuously updated

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

Temperature · last 4 and next 28 hours

Lostallo weather: the next 24 hours

Updated hourly.

Lostallo weather hour by hour (48 h)

Lostallo 15-day forecast

Two-week trend.

Lostallo 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 Lostallo

Neighbouring municipalities, as the crow flies.

Cama5 km Soazza5 km Santa Maria in Calanca7 km Castaneda8 km Grono9 km Calanca10 km Buseno10 km Mesocco11 km

7-day forecast for Lostallo

Today (Sunday 27 Sep) in Lostallo: partly cloudy, 7 to 15 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: fog, 8 to 16 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	partly cloudy	7 °C	15 °C	0.0 mm	7 km/h
Tomorrow	fog	8 °C	16 °C	0.0 mm	5 km/h
Tue 29 Sep	fog	9 °C	15 °C	0.0 mm	5 km/h
Wed 30 Sep	drizzle	9 °C	11 °C	0.4 mm	4 km/h
Thu 1 Oct	light rain	8 °C	10 °C	4.7 mm	3 km/h
Fri 2 Oct	showers	8 °C	13 °C	1.2 mm	7 km/h
Sat 3 Oct	fog	7 °C	14 °C	0.0 mm	7 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 1725 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Lostallo

Sunday 27 Sep in Lostallo, hour by hour: sunny in the morning, mostly sunny in the afternoon, mostly sunny in the evening. Low 7 °C around 05:00, high 15 °C around 14:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	8 °C	4 km/h
01:00	sunny	8 °C	3 km/h
02:00	sunny	8 °C	4 km/h
03:00	sunny	8 °C	4 km/h
04:00	sunny	8 °C	4 km/h
05:00	sunny	7 °C	4 km/h
06:00	sunny	8 °C	4 km/h
07:00	sunny	7 °C	3 km/h
08:00	sunny	8 °C	3 km/h
09:00	sunny	11 °C	2 km/h
10:00	sunny	13 °C	2 km/h
11:00	mostly sunny	13 °C	4 km/h
12:00	mostly sunny	14 °C	5 km/h
13:00	mostly sunny	15 °C	6 km/h
14:00	mostly sunny	15 °C	6 km/h
15:00	mostly sunny	15 °C	6 km/h
16:00	mostly sunny	15 °C	5 km/h
17:00	mostly sunny	14 °C	4 km/h
18:00	partly cloudy	13 °C	2 km/h
19:00	mostly sunny	12 °C	2 km/h
20:00	partly cloudy	11 °C	1 km/h
21:00	mostly sunny	10 °C	4 km/h
22:00	mostly sunny	10 °C	6 km/h
23:00	mostly sunny	10 °C	4 km/h

Hourly forecast issued 27.09.2026 for Lostallo (1725 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Lostallo weather tomorrow

Tomorrow, Monday 28 Sep, in Lostallo: fog, 8 to 16 °C, wind up to 5 km/h. No precipitation expected.

Lostallo weekend weather

This weekend in Lostallo: Saturday fog, 7 to 14 °C; Sunday partly cloudy, 7 to 15 °C.

Will it rain in Lostallo this week?

Yes: 2 days with precipitation are expected in Lostallo over the next 7 days, 6.3 mm in total. Wettest day: Thursday 1 Oct (4.7 mm).

The best day to go out in Lostallo

The best day of the next 7 in Lostallo: Sunday 27 Sep, partly cloudy, up to 15 °C.

The last 7 days in Lostallo

From 20 Sep to 26 Sep: 11.0 °C on average, 0 mm of precipitation. Warmest day: sunday 20 Sep (17 °C); coolest night: wednesday 23 Sep (4 °C).

Day	Min	Max
Sun 20 Sep	8 °C	17 °C
Mon 21 Sep	9 °C	16 °C
Tue 22 Sep	8 °C	15 °C
Wed 23 Sep	4 °C	12 °C
Thu 24 Sep	8 °C	16 °C
Fri 25 Sep	8 °C	13 °C
Sat 26 Sep	6 °C	15 °C

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

Climate of Lostallo: 1991–2020 normals

In Lostallo (1725 m), the mean annual temperature is 4.3 °C. The warmest month is July (13.5 °C on average) and the coldest January (−4.7 °C). About 1870 mm of precipitation falls per year, peaking in August (221 mm) with a minimum in February (67 mm). The sun shines for about 1514 hours a year, mostly in July (167 h). On average there are 171 frost days per year. The mean monthly maximum reaches 24.4 °C and the absolute minimum −12.6 °C.

4.3 °CMean annual temperature

1870 mmPrecipitation per year

1514 hSunshine hours per year

171Frost days per year

1Summer 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	−4.7 °C	7.2 °C	−12.6 °C	81	100	30	0
Feb	−3.2 °C	9.0 °C	−11.9 °C	67	111	27	0
Mar	0.7 °C	13.8 °C	−9.3 °C	86	145	27	0
Apr	4.0 °C	16.5 °C	−6.2 °C	146	132	18	0
May	7.8 °C	20.2 °C	−1.7 °C	194	132	4	0
Jun	11.6 °C	23.6 °C	1.9 °C	209	149	0	0
Jul	13.5 °C	24.4 °C	3.9 °C	196	167	0	0
Aug	13.2 °C	24.3 °C	3.7 °C	221	158	0	1
Sep	9.1 °C	20.0 °C	0.1 °C	189	137	1	0
Oct	4.6 °C	16.0 °C	−4.3 °C	186	112	11	0
Nov	−0.5 °C	10.7 °C	−8.7 °C	199	83	23	0
Dec	−4.3 °C	6.7 °C	−12.2 °C	97	88	30	0
Year	4.3 °C	24.4 °C	−12.6 °C	1870	1514	171	1

Source: MeteoSwiss open data (1991–2020 normals) — stations Grono (7 km, 324 m), S. Bernardino (18 km, 1639 m), Matro (26 km, 2171 m), adjusted to the elevation of Lostallo (1725 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.