What is the weather in Sirnach today?

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

What is the 15-day forecast for Sirnach?

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

Will it rain tomorrow in Sirnach?

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

What is the air quality in Sirnach?

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

Are there weather alerts for Sirnach?

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

At what altitude is Sirnach located?

Sirnach sits at around 548 m above sea level in the canton of Thurgau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Sirnach?

The warmest month in Sirnach is July, averaging 18.5 °C (1991–2020 normal). The coldest is January at 1.0 °C.

How much does it rain in Sirnach per year?

Sirnach receives about 1166 mm of precipitation a year. The wettest month is August (132 mm), the driest February (68 mm).

When is the best time to visit Sirnach?

For warmth and sunshine: July (18.5 °C on average, 226 h of sun). The coldest month is January (1.0 °C). Check the 15-day forecast above for your dates.

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Home › Thurgau › Sirnach

Weather in Sirnach

Thurgau, 548 m · continuously updated

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

Temperature · last 4 and next 28 hours

Sirnach weather: the next 24 hours

Updated hourly.

Sirnach weather hour by hour (48 h)

Sirnach 15-day forecast

Two-week trend.

Sirnach 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 Sirnach

Neighbouring municipalities, as the crow flies.

Eschlikon2 km Fischingen3 km Münchwilen (TG)3 km Wilen (TG)3 km Wil (SG)4 km Rickenbach (TG)4 km Bettwiesen4 km Wängi5 km

7-day forecast for Sirnach

Today (Sunday 27 Sep) in Sirnach: fog, 5 to 24 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: overcast, 8 to 25 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	fog	5 °C	24 °C	0.0 mm	7 km/h
Tomorrow	overcast	8 °C	25 °C	0.0 mm	10 km/h
Tue 29 Sep	overcast	13 °C	25 °C	0.0 mm	6 km/h
Wed 30 Sep	overcast	16 °C	24 °C	0.0 mm	5 km/h
Thu 1 Oct	showers	14 °C	18 °C	4.4 mm	7 km/h
Fri 2 Oct	fog	13 °C	19 °C	0.0 mm	10 km/h
Sat 3 Oct	fog	13 °C	20 °C	0.0 mm	5 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 548 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Sirnach

Sunday 27 Sep in Sirnach, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 6 °C around 07:00, high 24 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	8 °C	5 km/h
01:00	sunny	7 °C	5 km/h
02:00	sunny	7 °C	4 km/h
03:00	sunny	7 °C	4 km/h
04:00	sunny	7 °C	3 km/h
05:00	sunny	7 °C	2 km/h
06:00	sunny	7 °C	2 km/h
07:00	sunny	6 °C	1 km/h
08:00	sunny	6 °C	2 km/h
09:00	sunny	9 °C	1 km/h
10:00	sunny	14 °C	1 km/h
11:00	sunny	17 °C	2 km/h
12:00	sunny	20 °C	2 km/h
13:00	sunny	21 °C	2 km/h
14:00	sunny	23 °C	0 km/h
15:00	sunny	24 °C	0 km/h
16:00	sunny	24 °C	2 km/h
17:00	sunny	24 °C	4 km/h
18:00	sunny	22 °C	4 km/h
19:00	sunny	17 °C	7 km/h
20:00	fog	13 °C	7 km/h
21:00	mostly sunny	10 °C	7 km/h
22:00	sunny	10 °C	7 km/h
23:00	sunny	10 °C	6 km/h

Hourly forecast issued 27.09.2026 for Sirnach (548 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Sirnach weather tomorrow

Tomorrow, Monday 28 Sep, in Sirnach: overcast, 8 to 25 °C, wind up to 10 km/h. No precipitation expected.

Sirnach weekend weather

This weekend in Sirnach: Saturday fog, 13 to 20 °C; Sunday fog, 5 to 24 °C.

Will it rain in Sirnach this week?

Yes: 1 day with precipitation is expected in Sirnach over the next 7 days, 4.4 mm in total. Wettest day: Thursday 1 Oct (4.4 mm).

The best day to go out in Sirnach

The best day of the next 7 in Sirnach: Monday 28 Sep, overcast, up to 25 °C.

The last 7 days in Sirnach

From 20 Sep to 26 Sep: 13.7 °C on average, in line with the September normal (13.9 °C), 0 mm of precipitation (7-day normal: 21 mm). Warmest day: saturday 26 Sep (24 °C); coolest night: wednesday 23 Sep (4 °C).

Day	Min	Max
Sun 20 Sep	10 °C	24 °C
Mon 21 Sep	10 °C	19 °C
Tue 22 Sep	5 °C	19 °C
Wed 23 Sep	4 °C	20 °C
Thu 24 Sep	7 °C	20 °C
Fri 25 Sep	6 °C	20 °C
Sat 26 Sep	6 °C	24 °C

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

Climate of Sirnach: 1991–2020 normals

In Sirnach (548 m), the mean annual temperature is 9.4 °C. The warmest month is July (18.5 °C on average) and the coldest January (1.0 °C). About 1166 mm of precipitation falls per year, peaking in August (132 mm) with a minimum in February (68 mm). The sun shines for about 1593 hours a year, mostly in July (226 h). On average there are 98 frost days and 7 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.0 °C and the absolute minimum −10.7 °C.

9.4 °CMean annual temperature

1166 mmPrecipitation per year

1593 hSunshine hours per year

98Frost days per year

42Summer 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	1.0 °C	11.9 °C	−10.7 °C	74	52	22	0
Feb	1.4 °C	13.2 °C	−10.2 °C	68	78	20	0
Mar	5.0 °C	18.1 °C	−6.3 °C	83	134	16	0
Apr	8.9 °C	22.4 °C	−2.6 °C	83	168	6	0
May	13.1 °C	26.7 °C	1.9 °C	124	184	0	3
Jun	16.7 °C	29.7 °C	5.9 °C	127	206	0	9
Jul	18.5 °C	31.0 °C	8.3 °C	127	226	0	14
Aug	18.2 °C	30.4 °C	7.9 °C	132	208	0	12
Sep	13.9 °C	25.6 °C	4.0 °C	90	152	0	3
Oct	9.9 °C	21.5 °C	−0.2 °C	86	96	2	0
Nov	4.9 °C	16.6 °C	−5.0 °C	78	51	11	0
Dec	1.8 °C	12.6 °C	−9.1 °C	93	38	20	0
Year	9.4 °C	31.0 °C	−10.7 °C	1166	1593	98	42

Source: MeteoSwiss open data (1991–2020 normals) — stations Aadorf / Tänikon (7 km, 539 m), Hörnli (11 km, 1133 m), Salen-Reutenen (21 km, 719 m), adjusted to the elevation of Sirnach (548 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.