What is the weather in Thalwil today?

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

What is the 15-day forecast for Thalwil?

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

Will it rain tomorrow in Thalwil?

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

What is the air quality in Thalwil?

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

Are there weather alerts for Thalwil?

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

At what altitude is Thalwil located?

Thalwil sits at around 478 m above sea level in the canton of Zurich. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Thalwil?

The warmest month in Thalwil is July, averaging 19.4 °C (1991–2020 normal). The coldest is January at 1.2 °C.

How much does it rain in Thalwil per year?

Thalwil receives about 1161 mm of precipitation a year. The wettest month is August (137 mm), the driest February (63 mm).

When is the best time to visit Thalwil?

For warmth and sunshine: July (19.4 °C on average, 231 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.

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Weather in Thalwil

Zurich, 478 m · continuously updated

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

Temperature · last 4 and next 28 hours

Thalwil weather: the next 24 hours

Updated hourly.

Thalwil weather hour by hour (48 h)

Thalwil 15-day forecast

Two-week trend.

Thalwil 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 Thalwil

Neighbouring municipalities, as the crow flies.

Oberrieden1 km Langnau am Albis2 km Rüschlikon3 km Herrliberg4 km Erlenbach (ZH)5 km Kilchberg (ZH)5 km Aeugst am Albis5 km Horgen5 km

7-day forecast for Thalwil

Today (Sunday 27 Sep) in Thalwil: 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	8 km/h
Tue 29 Sep	overcast	15 °C	25 °C	0.0 mm	6 km/h
Wed 30 Sep	overcast	17 °C	24 °C	0.0 mm	5 km/h
Thu 1 Oct	light rain	16 °C	18 °C	2.0 mm	4 km/h
Fri 2 Oct	fog	15 °C	20 °C	0.3 mm	9 km/h
Sat 3 Oct	fog	15 °C	21 °C	0.0 mm	5 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 478 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Thalwil

Sunday 27 Sep in Thalwil, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 12 °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	14 °C	4 km/h
01:00	sunny	14 °C	4 km/h
02:00	sunny	13 °C	3 km/h
03:00	sunny	13 °C	3 km/h
04:00	sunny	12 °C	3 km/h
05:00	sunny	12 °C	3 km/h
06:00	sunny	12 °C	2 km/h
07:00	sunny	12 °C	3 km/h
08:00	sunny	12 °C	3 km/h
09:00	sunny	15 °C	3 km/h
10:00	sunny	16 °C	2 km/h
11:00	sunny	18 °C	3 km/h
12:00	sunny	20 °C	4 km/h
13:00	sunny	22 °C	4 km/h
14:00	sunny	24 °C	3 km/h
15:00	sunny	25 °C	2 km/h
16:00	sunny	26 °C	3 km/h
17:00	sunny	25 °C	4 km/h
18:00	sunny	23 °C	4 km/h
19:00	sunny	20 °C	6 km/h
20:00	sunny	19 °C	6 km/h
21:00	sunny	18 °C	5 km/h
22:00	sunny	17 °C	4 km/h
23:00	sunny	17 °C	5 km/h

Hourly forecast issued 27.09.2026 for Thalwil (478 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Thalwil weather tomorrow

Tomorrow, Monday 28 Sep, in Thalwil: overcast, 13 to 26 °C, wind up to 8 km/h. No precipitation expected.

Thalwil weekend weather

This weekend in Thalwil: Saturday fog, 15 to 21 °C; Sunday mostly sunny, 11 to 25 °C.

Will it rain in Thalwil this week?

Yes: 1 day with precipitation is expected in Thalwil over the next 7 days, 2.3 mm in total. Wettest day: Thursday 1 Oct (2.0 mm).

The best day to go out in Thalwil

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

The last 7 days in Thalwil

From 20 Sep to 26 Sep: 15.8 °C on average, in line with the September normal (14.8 °C), 0 mm of precipitation (7-day normal: 22 mm). Warmest day: saturday 26 Sep (25 °C); coolest night: wednesday 23 Sep (8 °C).

Day	Min	Max
Sun 20 Sep	13 °C	24 °C
Mon 21 Sep	13 °C	19 °C
Tue 22 Sep	8 °C	20 °C
Wed 23 Sep	8 °C	21 °C
Thu 24 Sep	11 °C	20 °C
Fri 25 Sep	8 °C	20 °C
Sat 26 Sep	10 °C	25 °C

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

Climate of Thalwil: 1991–2020 normals

In Thalwil (478 m), the mean annual temperature is 10.2 °C. The warmest month is July (19.4 °C on average) and the coldest January (1.2 °C). About 1161 mm of precipitation falls per year, peaking in August (137 mm) with a minimum in February (63 mm). The sun shines for about 1694 hours a year, mostly in July (231 h). On average there are 71 frost days and 9 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.0 °C and the absolute minimum −7.6 °C.

10.2 °CMean annual temperature

1161 mmPrecipitation per year

1694 hSunshine hours per year

71Frost days per year

48Summer 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	1.2 °C	11.8 °C	−7.6 °C	64	58	19	0
Feb	2.1 °C	13.6 °C	−7.1 °C	63	88	17	0
Mar	6.0 °C	19.0 °C	−3.9 °C	71	143	9	0
Apr	10.0 °C	23.5 °C	−0.6 °C	84	180	2	0
May	14.1 °C	27.7 °C	3.7 °C	129	194	0	4
Jun	17.7 °C	31.1 °C	7.7 °C	132	211	0	11
Jul	19.4 °C	32.0 °C	10.3 °C	136	231	0	15
Aug	19.0 °C	31.3 °C	9.5 °C	137	216	0	14
Sep	14.8 °C	26.5 °C	5.8 °C	96	162	0	4
Oct	10.5 °C	21.9 °C	1.6 °C	87	107	1	0
Nov	5.2 °C	16.6 °C	−2.9 °C	77	58	7	0
Dec	2.0 °C	12.4 °C	−7.1 °C	85	46	17	0
Year	10.2 °C	32.0 °C	−7.6 °C	1161	1694	71	48

Source: MeteoSwiss open data (1991–2020 normals) — stations Wädenswil (11 km, 485 m), Zürich / Fluntern (11 km, 604 m), Cham (12 km, 443 m), adjusted to the elevation of Thalwil (478 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.