What is the weather in Boswil today?

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

What is the 15-day forecast for Boswil?

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

Will it rain tomorrow in Boswil?

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

What is the air quality in Boswil?

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

Are there weather alerts for Boswil?

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

At what altitude is Boswil located?

Boswil sits at around 467 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Boswil?

The warmest month in Boswil is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 0.9 °C.

How much does it rain in Boswil per year?

Boswil receives about 1022 mm of precipitation a year. The wettest month is July (119 mm), the driest February (54 mm).

When is the best time to visit Boswil?

For warmth and sunshine: July (19.2 °C on average, 230 h of sun). The coldest month is January (0.9 °C). Check the 15-day forecast above for your dates.

meteo-ch.ch Search a municipality…

Home › Aargau › Boswil

Weather in Boswil

Aargau, 467 m · continuously updated

–^°C

– –

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

Temperature · last 4 and next 28 hours

Boswil weather: the next 24 hours

Updated hourly.

Boswil weather hour by hour (48 h)

Boswil 15-day forecast

Two-week trend.

Boswil weekend weather Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

–

Air quality

–

European index, measured continuously.

UV index

–

Daily maximum — protection advised from 3.

Freezing level

–

Snow settles about 300 m below it.

Around Boswil

Neighbouring municipalities, as the crow flies.

Bünzen2 km Kallern2 km Besenbüren3 km Muri (AG)3 km Bettwil3 km Uezwil3 km Buttwil3 km Waltenschwil4 km

7-day forecast for Boswil

Today (Sunday 27 Sep) in Boswil: mostly sunny, 10 to 25 °C, precipitation 0.0 mm (0 %), wind up to 8 km/h. Tomorrow: partly cloudy, 13 to 27 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	10 °C	25 °C	0.0 mm	8 km/h
Tomorrow	partly cloudy	13 °C	27 °C	0.0 mm	8 km/h
Tue 29 Sep	overcast	13 °C	26 °C	0.0 mm	5 km/h
Wed 30 Sep	overcast	16 °C	24 °C	0.0 mm	6 km/h
Thu 1 Oct	light rain	15 °C	18 °C	2.7 mm	5 km/h
Fri 2 Oct	fog	14 °C	20 °C	0.0 mm	9 km/h
Sat 3 Oct	fog	14 °C	21 °C	0.0 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 467 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Boswil

Sunday 27 Sep in Boswil, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 11 °C around 08:00, high 26 °C around 15:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	16 °C	3 km/h
01:00	sunny	15 °C	1 km/h
02:00	sunny	14 °C	1 km/h
03:00	sunny	13 °C	1 km/h
04:00	sunny	12 °C	3 km/h
05:00	sunny	12 °C	1 km/h
06:00	sunny	12 °C	1 km/h
07:00	sunny	11 °C	2 km/h
08:00	sunny	11 °C	2 km/h
09:00	sunny	12 °C	1 km/h
10:00	sunny	15 °C	2 km/h
11:00	sunny	18 °C	2 km/h
12:00	sunny	21 °C	2 km/h
13:00	sunny	23 °C	1 km/h
14:00	sunny	25 °C	1 km/h
15:00	sunny	26 °C	3 km/h
16:00	sunny	26 °C	8 km/h
17:00	sunny	25 °C	9 km/h
18:00	sunny	24 °C	8 km/h
19:00	sunny	21 °C	6 km/h
20:00	sunny	19 °C	7 km/h
21:00	sunny	18 °C	4 km/h
22:00	sunny	17 °C	4 km/h
23:00	mostly sunny	16 °C	3 km/h

Hourly forecast issued 27.09.2026 for Boswil (467 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Boswil weather tomorrow

Tomorrow, Monday 28 Sep, in Boswil: partly cloudy, 13 to 27 °C, wind up to 8 km/h. No precipitation expected.

Boswil weekend weather

This weekend in Boswil: Saturday fog, 14 to 21 °C; Sunday mostly sunny, 10 to 25 °C.

Will it rain in Boswil this week?

Yes: 1 day with precipitation is expected in Boswil over the next 7 days, 2.7 mm in total. Wettest day: Thursday 1 Oct (2.7 mm).

The best day to go out in Boswil

The best day of the next 7 in Boswil: Sunday 27 Sep, mostly sunny, up to 25 °C.

Among the 155 municipalities of canton Aargau covered by the MeteoSwiss 1991-2020 normals, Boswil ranks 75 for annual precipitation (1022 mm) and 69 for sunshine (1594 hours per year). July's hottest day averages 32.3 °C; January's coldest night drops to -8.9 °C.

The last 7 days in Boswil

From 20 Sep to 26 Sep: 15.5 °C on average, in line with the September normal (14.5 °C), 0 mm of precipitation (7-day normal: 19 mm). Warmest day: sunday 20 Sep (25 °C); coolest night: thursday 24 Sep (7 °C).

Day	Min	Max
Sun 20 Sep	11 °C	25 °C
Mon 21 Sep	13 °C	20 °C
Tue 22 Sep	8 °C	20 °C
Wed 23 Sep	7 °C	21 °C
Thu 24 Sep	7 °C	21 °C
Fri 25 Sep	8 °C	21 °C
Sat 26 Sep	9 °C	24 °C

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

Climate of Boswil: 1991–2020 normals

In Boswil (467 m), the mean annual temperature is 9.8 °C. The warmest month is July (19.2 °C on average) and the coldest January (0.9 °C). About 1022 mm of precipitation falls per year, peaking in July (119 mm) with a minimum in February (54 mm). The sun shines for about 1594 hours a year, mostly in July (230 h). On average there are 79 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.3 °C and the absolute minimum −8.9 °C.

9.8 °CMean annual temperature

1022 mmPrecipitation per year

1594 hSunshine hours per year

79Frost days per year

53Summer 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	0.9 °C	11.4 °C	−8.9 °C	59	45	20	0
Feb	1.7 °C	13.5 °C	−8.5 °C	54	77	18	0
Mar	5.7 °C	18.9 °C	−5.0 °C	60	135	11	0
Apr	9.7 °C	23.5 °C	−1.7 °C	74	172	3	1
May	13.8 °C	27.6 °C	2.7 °C	117	188	0	4
Jun	17.5 °C	31.2 °C	6.8 °C	114	210	0	12
Jul	19.2 °C	32.3 °C	9.0 °C	119	230	0	16
Aug	18.7 °C	31.6 °C	8.4 °C	118	212	0	15
Sep	14.5 °C	26.8 °C	4.4 °C	82	154	0	4
Oct	10.0 °C	21.8 °C	0.2 °C	78	90	1	0
Nov	4.8 °C	15.6 °C	−4.3 °C	69	46	8	0
Dec	1.7 °C	12.0 °C	−8.6 °C	78	35	17	0
Year	9.8 °C	32.3 °C	−8.9 °C	1022	1594	79	53

Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (17 km, 443 m), Buchs / Aarau (20 km, 387 m), Zürich / Affoltern (21 km, 444 m), adjusted to the elevation of Boswil (467 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.