What is the weather in Birrwil today?

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

What is the 15-day forecast for Birrwil?

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

Will it rain tomorrow in Birrwil?

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

What is the air quality in Birrwil?

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

Are there weather alerts for Birrwil?

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

At what altitude is Birrwil located?

Birrwil sits at around 611 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 Birrwil?

The warmest month in Birrwil is July, averaging 18.2 °C (1991–2020 normal). The coldest is January at 0.1 °C.

How much does it rain in Birrwil per year?

Birrwil receives about 1046 mm of precipitation a year. The wettest month is August (117 mm), the driest February (59 mm).

When is the best time to visit Birrwil?

For warmth and sunshine: July (18.2 °C on average, 225 h of sun). The coldest month is January (0.1 °C). Check the 15-day forecast above for your dates.

meteo-ch.ch Search a municipality…

Home › Aargau › Birrwil

Weather in Birrwil

Aargau, 611 m · continuously updated

–^°C

– –

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

Temperature · last 4 and next 28 hours

Birrwil weather: the next 24 hours

Updated hourly.

Birrwil weather hour by hour (48 h)

Birrwil 15-day forecast

Two-week trend.

Birrwil 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 Birrwil

Neighbouring municipalities, as the crow flies.

Boniswil2 km Zetzwil2 km Leimbach (AG)3 km Leutwil3 km Beinwil am See3 km Meisterschwanden3 km Reinach (AG)3 km Fahrwangen4 km

7-day forecast for Birrwil

Today (Sunday 27 Sep) in Birrwil: mostly sunny, 11 to 25 °C, precipitation 0.0 mm (0 %), wind up to 6 km/h. Tomorrow: overcast, 13 to 26 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	11 °C	25 °C	0.0 mm	6 km/h
Tomorrow	overcast	13 °C	26 °C	0.0 mm	6 km/h
Tue 29 Sep	overcast	13 °C	25 °C	0.0 mm	6 km/h
Wed 30 Sep	overcast	15 °C	22 °C	0.3 mm	6 km/h
Thu 1 Oct	showers	14 °C	17 °C	4.2 mm	5 km/h
Fri 2 Oct	fog	13 °C	19 °C	0.0 mm	9 km/h
Sat 3 Oct	fog	13 °C	20 °C	0.0 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 611 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Birrwil

Sunday 27 Sep in Birrwil, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 13 °C around 08:00, high 26 °C around 16:00. 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	2 km/h
02:00	sunny	15 °C	2 km/h
03:00	sunny	14 °C	2 km/h
04:00	sunny	14 °C	2 km/h
05:00	sunny	14 °C	2 km/h
06:00	sunny	13 °C	1 km/h
07:00	sunny	13 °C	1 km/h
08:00	sunny	13 °C	1 km/h
09:00	sunny	14 °C	0 km/h
10:00	sunny	16 °C	1 km/h
11:00	sunny	18 °C	1 km/h
12:00	sunny	21 °C	1 km/h
13:00	sunny	23 °C	3 km/h
14:00	sunny	24 °C	5 km/h
15:00	sunny	25 °C	6 km/h
16:00	sunny	26 °C	6 km/h
17:00	sunny	26 °C	4 km/h
18:00	sunny	24 °C	3 km/h
19:00	sunny	22 °C	5 km/h
20:00	sunny	20 °C	5 km/h
21:00	sunny	19 °C	5 km/h
22:00	mostly sunny	18 °C	5 km/h
23:00	partly cloudy	18 °C	5 km/h

Hourly forecast issued 27.09.2026 for Birrwil (611 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Birrwil weather tomorrow

Tomorrow, Monday 28 Sep, in Birrwil: overcast, 13 to 26 °C, wind up to 6 km/h. No precipitation expected.

Birrwil weekend weather

This weekend in Birrwil: Saturday fog, 13 to 20 °C; Sunday mostly sunny, 11 to 25 °C.

Will it rain in Birrwil this week?

Yes: 1 day with precipitation is expected in Birrwil over the next 7 days, 4.5 mm in total. Wettest day: Thursday 1 Oct (4.2 mm).

The best day to go out in Birrwil

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

The last 7 days in Birrwil

From 20 Sep to 26 Sep: 15.8 °C on average, 2.3 °C above the September normal (13.5 °C), 0 mm of precipitation (7-day normal: 19 mm). Warmest day: saturday 26 Sep (24 °C); coolest night: wednesday 23 Sep (8 °C).

Day	Min	Max
Sun 20 Sep	12 °C	24 °C
Mon 21 Sep	14 °C	19 °C
Tue 22 Sep	9 °C	19 °C
Wed 23 Sep	8 °C	21 °C
Thu 24 Sep	11 °C	20 °C
Fri 25 Sep	8 °C	21 °C
Sat 26 Sep	11 °C	24 °C

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

Climate of Birrwil: 1991–2020 normals

In Birrwil (611 m), the mean annual temperature is 8.9 °C. The warmest month is July (18.2 °C on average) and the coldest January (0.1 °C). About 1046 mm of precipitation falls per year, peaking in August (117 mm) with a minimum in February (59 mm). The sun shines for about 1549 hours a year, mostly in July (225 h). On average there are 77 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.8 °C and the absolute minimum −9.7 °C.

8.9 °CMean annual temperature

1046 mmPrecipitation per year

1549 hSunshine hours per year

77Frost days per year

56Summer 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	0.1 °C	10.3 °C	−9.7 °C	68	41	20	0
Feb	0.8 °C	12.6 °C	−9.1 °C	59	74	18	0
Mar	4.8 °C	18.0 °C	−5.8 °C	67	133	11	0
Apr	8.7 °C	22.7 °C	−2.5 °C	75	169	3	1
May	12.8 °C	26.7 °C	1.8 °C	113	183	0	5
Jun	16.5 °C	30.4 °C	5.7 °C	108	205	0	12
Jul	18.2 °C	31.8 °C	8.0 °C	116	225	0	17
Aug	17.7 °C	30.8 °C	7.4 °C	117	208	0	16
Sep	13.5 °C	25.8 °C	3.4 °C	81	151	0	5
Oct	9.0 °C	20.7 °C	−0.6 °C	81	86	1	0
Nov	3.9 °C	14.4 °C	−4.9 °C	75	43	8	0
Dec	0.8 °C	10.8 °C	−8.7 °C	88	31	17	0
Year	8.9 °C	31.8 °C	−9.7 °C	1046	1549	77	56

Source: MeteoSwiss open data (1991–2020 normals) — stations Buchs / Aarau (13 km, 387 m), Gösgen (18 km, 380 m), Cham (24 km, 443 m), adjusted to the elevation of Birrwil (611 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.