What is the weather in Bolken today?

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

What is the 15-day forecast for Bolken?

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

Will it rain tomorrow in Bolken?

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

What is the air quality in Bolken?

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

Are there weather alerts for Bolken?

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

At what altitude is Bolken located?

Bolken sits at around 477 m above sea level in the canton of Solothurn. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Bolken?

The warmest month in Bolken is July, averaging 18.8 °C (1991–2020 normal). The coldest is January at 0.4 °C.

How much does it rain in Bolken per year?

Bolken receives about 1061 mm of precipitation a year. The wettest month is August (115 mm), the driest February (61 mm).

When is the best time to visit Bolken?

For warmth and sunshine: July (18.8 °C on average, 243 h of sun). The coldest month is January (0.4 °C). Check the 15-day forecast above for your dates.

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Home › Solothurn › Bolken

Weather in Bolken

Solothurn, 477 m · continuously updated

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

Temperature · last 4 and next 28 hours

Bolken weather: the next 24 hours

Updated hourly.

Bolken weather hour by hour (48 h)

Bolken 15-day forecast

Two-week trend.

Bolken 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 Bolken

Neighbouring municipalities, as the crow flies.

Inkwil1 km Etziken1 km Niederönz2 km Hüniken2 km Heimenhausen2 km Wangen an der Aare3 km Subingen3 km Horriwil3 km

7-day forecast for Bolken

Today (Sunday 27 Sep) in Bolken: mostly sunny, 8 to 26 °C, precipitation 0.0 mm (0 %), wind up to 9 km/h. Tomorrow: overcast, 10 to 27 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	8 °C	26 °C	0.0 mm	9 km/h
Tomorrow	overcast	10 °C	27 °C	0.0 mm	5 km/h
Tue 29 Sep	overcast	12 °C	25 °C	0.2 mm	7 km/h
Wed 30 Sep	overcast	15 °C	22 °C	0.0 mm	8 km/h
Thu 1 Oct	light rain	14 °C	18 °C	6.0 mm	8 km/h
Fri 2 Oct	fog	14 °C	20 °C	0.0 mm	11 km/h
Sat 3 Oct	fog	14 °C	22 °C	0.0 mm	5 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 477 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Bolken

Sunday 27 Sep in Bolken, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 8 °C around 07:00, high 26 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	12 °C	2 km/h
01:00	sunny	11 °C	2 km/h
02:00	sunny	10 °C	2 km/h
03:00	sunny	9 °C	2 km/h
04:00	sunny	9 °C	2 km/h
05:00	mostly sunny	8 °C	2 km/h
06:00	mostly sunny	8 °C	2 km/h
07:00	mostly sunny	8 °C	2 km/h
08:00	mostly sunny	8 °C	2 km/h
09:00	sunny	10 °C	1 km/h
10:00	sunny	14 °C	2 km/h
11:00	sunny	17 °C	4 km/h
12:00	sunny	20 °C	6 km/h
13:00	sunny	23 °C	8 km/h
14:00	sunny	24 °C	10 km/h
15:00	sunny	26 °C	9 km/h
16:00	mostly sunny	26 °C	9 km/h
17:00	sunny	26 °C	8 km/h
18:00	sunny	25 °C	6 km/h
19:00	sunny	23 °C	3 km/h
20:00	sunny	20 °C	1 km/h
21:00	mostly sunny	16 °C	3 km/h
22:00	sunny	14 °C	2 km/h
23:00	sunny	14 °C	3 km/h

Hourly forecast issued 27.09.2026 for Bolken (477 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Bolken weather tomorrow

Tomorrow, Monday 28 Sep, in Bolken: overcast, 10 to 27 °C, wind up to 5 km/h. No precipitation expected.

Bolken weekend weather

This weekend in Bolken: Saturday fog, 14 to 22 °C; Sunday mostly sunny, 8 to 26 °C.

Will it rain in Bolken this week?

Yes: 1 day with precipitation is expected in Bolken over the next 7 days, 6.2 mm in total. Wettest day: Thursday 1 Oct (6.0 mm).

The best day to go out in Bolken

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

Among the 102 municipalities of canton Solothurn covered by the MeteoSwiss 1991-2020 normals, Bolken ranks 21 for annual precipitation (1061 mm) and 47 for sunshine (1651 hours per year). July's hottest day averages 32.4 °C; January's coldest night drops to -10.2 °C.

The last 7 days in Bolken

From 20 Sep to 26 Sep: 15.0 °C on average, in line with the September normal (14.2 °C), 0 mm of precipitation (7-day normal: 20 mm). Warmest day: saturday 26 Sep (25 °C); coolest night: saturday 26 Sep (6 °C).

Day	Min	Max
Sun 20 Sep	9 °C	24 °C
Mon 21 Sep	10 °C	21 °C
Tue 22 Sep	8 °C	20 °C
Wed 23 Sep	7 °C	22 °C
Thu 24 Sep	7 °C	21 °C
Fri 25 Sep	8 °C	22 °C
Sat 26 Sep	6 °C	25 °C

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

Climate of Bolken: 1991–2020 normals

In Bolken (477 m), the mean annual temperature is 9.4 °C. The warmest month is July (18.8 °C on average) and the coldest January (0.4 °C). About 1061 mm of precipitation falls per year, peaking in August (115 mm) with a minimum in February (61 mm). The sun shines for about 1651 hours a year, mostly in July (243 h). On average there are 91 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.4 °C and the absolute minimum −10.2 °C.

9.4 °CMean annual temperature

1061 mmPrecipitation per year

1651 hSunshine hours per year

91Frost days per year

52Summer 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	0.4 °C	10.6 °C	−10.2 °C	72	43	21	0
Feb	1.2 °C	12.9 °C	−9.8 °C	61	81	20	0
Mar	5.2 °C	18.7 °C	−5.7 °C	67	140	14	0
Apr	9.1 °C	23.3 °C	−2.4 °C	76	176	4	1
May	13.3 °C	27.5 °C	1.9 °C	108	196	0	4
Jun	17.0 °C	31.0 °C	5.6 °C	106	221	0	12
Jul	18.8 °C	32.4 °C	8.3 °C	112	243	0	17
Aug	18.4 °C	31.6 °C	7.6 °C	115	219	0	15
Sep	14.2 °C	26.4 °C	3.8 °C	87	158	0	4
Oct	9.6 °C	21.2 °C	−0.6 °C	87	95	2	0
Nov	4.4 °C	15.0 °C	−5.0 °C	79	46	10	0
Dec	1.2 °C	11.1 °C	−8.8 °C	91	33	19	0
Year	9.4 °C	32.4 °C	−10.2 °C	1061	1651	91	52

Source: MeteoSwiss open data (1991–2020 normals) — stations Koppigen (9 km, 485 m), Wynau (12 km, 422 m), Grenchen (19 km, 428 m), adjusted to the elevation of Bolken (477 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.