What is the weather in Thun today?

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

What is the 15-day forecast for Thun?

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

Will it rain tomorrow in Thun?

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

What is the air quality in Thun?

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

Are there weather alerts for Thun?

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

At what altitude is Thun located?

Thun sits at around 562 m above sea level in the canton of Bern. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Thun?

The warmest month in Thun is July, averaging 18.6 °C (1991–2020 normal). The coldest is January at 0.8 °C.

How much does it rain in Thun per year?

Thun receives about 1168 mm of precipitation a year. The wettest month is August (142 mm), the driest February (61 mm).

When is the best time to visit Thun?

For warmth and sunshine: July (18.6 °C on average, 223 h of sun). The coldest month is January (0.8 °C). Check the 15-day forecast above for your dates.

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Home › Bern › Thun

Weather in Thun

Bern, 562 m · continuously updated

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

Aare: 18.6 °C at Thun river temperature · FOEN gauge 1.4 km away · 27.09. 00h

Temperature · last 4 and next 28 hours

Thun weather: the next 24 hours

Updated hourly.

Thun weather hour by hour (48 h)

Thun 15-day forecast

Two-week trend.

Thun 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 Thun

Neighbouring municipalities, as the crow flies.

Hilterfingen1 km Heimberg2 km Uetendorf2 km Steffisburg3 km Oberhofen am Thunersee4 km Fahrni4 km Thierachern4 km Heiligenschwendi4 km

7-day forecast for Thun

Today (Sunday 27 Sep) in Thun: mostly sunny, 11 to 26 °C, precipitation 0.0 mm (0 %), wind up to 6 km/h. Tomorrow: overcast, 12 to 26 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	11 °C	26 °C	0.0 mm	6 km/h
Tomorrow	overcast	12 °C	26 °C	0.0 mm	8 km/h
Tue 29 Sep	overcast	15 °C	24 °C	0.0 mm	7 km/h
Wed 30 Sep	overcast	16 °C	22 °C	0.1 mm	5 km/h
Thu 1 Oct	light rain	15 °C	17 °C	4.5 mm	3 km/h
Fri 2 Oct	fog	14 °C	20 °C	0.0 mm	7 km/h
Sat 3 Oct	fog	12 °C	21 °C	0.0 mm	6 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 562 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Thun

Sunday 27 Sep in Thun, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 12 °C around 06:00, high 26 °C around 16:00. No rainy hour.

Show the 24-hour table

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

Hourly forecast issued 27.09.2026 for Thun (562 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Thun weather tomorrow

Tomorrow, Monday 28 Sep, in Thun: overcast, 12 to 26 °C, wind up to 8 km/h. No precipitation expected.

Thun weekend weather

This weekend in Thun: Saturday fog, 12 to 21 °C; Sunday mostly sunny, 11 to 26 °C.

Will it rain in Thun this week?

Yes: 1 day with precipitation is expected in Thun over the next 7 days, 4.6 mm in total. Wettest day: Thursday 1 Oct (4.5 mm).

The best day to go out in Thun

The best day of the next 7 in Thun: Sunday 27 Sep, mostly sunny, up to 26 °C.

The last 7 days in Thun

From 20 Sep to 26 Sep: 16.0 °C on average, 1.7 °C above the September normal (14.3 °C), 0 mm of precipitation (7-day normal: 23 mm). Warmest day: saturday 26 Sep (26 °C); coolest night: wednesday 23 Sep (7 °C).

Day	Min	Max
Sun 20 Sep	11 °C	24 °C
Mon 21 Sep	10 °C	22 °C
Tue 22 Sep	8 °C	22 °C
Wed 23 Sep	7 °C	23 °C
Thu 24 Sep	10 °C	22 °C
Fri 25 Sep	9 °C	23 °C
Sat 26 Sep	8 °C	26 °C

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

Climate of Thun: 1991–2020 normals

In Thun (562 m), the mean annual temperature is 9.6 °C. The warmest month is July (18.6 °C on average) and the coldest January (0.8 °C). About 1168 mm of precipitation falls per year, peaking in August (142 mm) with a minimum in February (61 mm). The sun shines for about 1626 hours a year, mostly in July (223 h). On average there are 99 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.0 °C and the absolute minimum −9.5 °C.

9.6 °CMean annual temperature

1168 mmPrecipitation per year

1626 hSunshine hours per year

99Frost days per year

43Summer 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	0.8 °C	12.1 °C	−9.5 °C	65	67	24	0
Feb	1.6 °C	13.7 °C	−9.2 °C	61	82	21	0
Mar	5.4 °C	18.4 °C	−5.3 °C	70	129	14	0
Apr	9.1 °C	22.4 °C	−1.5 °C	84	164	4	0
May	13.2 °C	26.8 °C	2.5 °C	129	183	0	3
Jun	16.8 °C	30.1 °C	6.4 °C	131	200	0	10
Jul	18.6 °C	31.0 °C	9.1 °C	142	223	0	14
Aug	18.3 °C	30.5 °C	8.2 °C	142	199	0	13
Sep	14.3 °C	25.5 °C	4.9 °C	98	152	0	3
Oct	10.1 °C	21.4 °C	0.3 °C	86	103	2	0
Nov	4.9 °C	16.5 °C	−4.8 °C	76	68	11	0
Dec	1.6 °C	12.2 °C	−8.5 °C	83	56	22	0
Year	9.6 °C	31.0 °C	−9.5 °C	1168	1626	99	43

Source: MeteoSwiss open data (1991–2020 normals) — stations Interlaken (21 km, 578 m), Langnau i.E. (25 km, 744 m), Plaffeien (27 km, 1042 m), adjusted to the elevation of Thun (562 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.