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Weather in Illnau-Effretikon

Zurich, 508 m · continuously updated

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Temperature · last 4 and next 28 hours

Illnau-Effretikon weather: the next 24 hours

Updated hourly.

Illnau-Effretikon weather hour by hour (48 h)

Illnau-Effretikon 15-day forecast

Two-week trend.

Illnau-Effretikon weekend weatherRain radar

Sun and golden hours

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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 Illnau-Effretikon

Neighbouring municipalities, as the crow flies.

7-day forecast for Illnau-Effretikon

Today (Saturday 14 Nov) in Illnau-Effretikon: fog, −2 to 5 °C, precipitation 0.0 mm (0 %), wind up to 6 km/h. Tomorrow: light rain, −1 to 11 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayfog−2 °C5 °C0.0 mm6 km/h
Tomorrowlight rain−1 °C11 °C1.2 mm7 km/h
Mon 16 Novshowers7 °C10 °C10.8 mm24 km/h
Tue 17 Novshowers6 °C14 °C9.5 mm30 km/h
Wed 18 Novthunderstorms10 °C12 °C18.0 mm28 km/h
Thu 19 Novshowers8 °C14 °C7.6 mm24 km/h
Fri 20 Novlight rain1 °C8 °C6.8 mm29 km/h

Forecast updated on 14.11.2026 at 11:34 (Open-Meteo model, elevation 508 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Illnau-Effretikon. Tomorrow: rain from 06:00 to 11:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Illnau-Effretikon

Saturday 14 Nov in Illnau-Effretikon, hour by hour: sunny in the morning, partly cloudy in the afternoon, fog in the evening. Low −2 °C around 08:00, high 5 °C around 15:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny1 °C0.0 mm6 km/h
01:00sunny0 °C0.0 mm6 km/h
02:00sunny0 °C0.0 mm6 km/h
03:00sunny0 °C0.0 mm6 km/h
04:00sunny0 °C0.0 mm5 km/h
05:00sunny−1 °C0.0 mm4 km/h
06:00sunny−1 °C0.0 mm5 km/h
07:00sunny−1 °C0.0 mm4 km/h
08:00sunny−2 °C0.0 mm4 km/h
09:00sunny0 °C0.0 mm2 km/h
10:00sunny2 °C0.0 mm3 km/h
11:00partly cloudy3 °C0.0 mm2 km/h
12:00overcast4 °C0.0 mm2 km/h
13:00partly cloudy5 °C0.0 mm0 km/h
14:00partly cloudy5 °C0.0 mm1 km/h
15:00partly cloudy5 °C0.0 mm3 km/h
16:00sunny5 °C0.0 mm5 km/h
17:00sunny3 °C0.0 mm3 km/h
18:00fog2 °C0.0 mm4 km/h
19:00fog0 °C0.0 mm4 km/h
20:00fog0 °C0.0 mm4 km/h
21:00fog0 °C0.0 mm4 km/h
22:00fog0 °C0.0 mm4 km/h
23:00fog0 °C0.0 mm3 km/h

Hourly forecast issued 14.11.2026 for Illnau-Effretikon (508 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Weather today in Illnau-Effretikon

Today, Saturday 14 Nov in Illnau-Effretikon: fog, −2 to 5 °C, wind up to 6 km/h. No precipitation expected. That is 3.0 °C below the climate normal for November in Illnau-Effretikon (4.9 °C average over 1991-2020).

Illnau-Effretikon weather tomorrow

Tomorrow, Sunday 15 Nov, in Illnau-Effretikon: light rain, −1 to 11 °C, wind up to 7 km/h. Precipitation expected: 1.2 mm, 30 % probability.

What is the temperature in Illnau-Effretikon?

Today in Illnau-Effretikon (508 m): −2 to 5 °C. Tomorrow: −1 to 11 °C. Over the next 7 days, highs range from 5 to 14 °C, averaging 11 °C.

Illnau-Effretikon weekend weather

This weekend in Illnau-Effretikon: Saturday fog, −2 to 5 °C; Sunday light rain, −1 to 11 °C.

Will it rain in Illnau-Effretikon this week?

Yes: 6 days with precipitation are expected in Illnau-Effretikon over the next 7 days, 53.9 mm in total. Wettest day: Wednesday 18 Nov (18.0 mm).

What is the UV index in Illnau-Effretikon?

Today in Illnau-Effretikon (508 m), the UV index peaks at 2 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.

The best day to go out in Illnau-Effretikon

The best day of the next 7 in Illnau-Effretikon: Saturday 14 Nov, fog, up to 5 °C.

Climate of Illnau-Effretikon: 1991–2020 normals

In Illnau-Effretikon (508 m), the mean annual temperature is 9.8 °C. The warmest month is July (19.1 °C on average) and the coldest January (1.0 °C). About 1050 mm of precipitation falls per year, peaking in July (120 mm) with a minimum in February (57 mm). The sun shines for about 1666 hours a year, mostly in July (233 h). On average there are 81 frost days and 10 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.2 °C and the absolute minimum −8.9 °C.

9.8 °CMean annual temperature
1050 mmPrecipitation per year
1666 hSunshine hours per year
81Frost days per year
49Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan1.0 °C11.5 °C−8.9 °C6354200
Feb1.7 °C13.6 °C−8.5 °C5784180
Mar5.7 °C19.0 °C−4.9 °C67140120
Apr9.7 °C23.6 °C−1.5 °C7517631
May13.7 °C27.5 °C2.9 °C11819304
Jun17.4 °C31.0 °C6.7 °C115212011
Jul19.1 °C32.2 °C9.3 °C120233016
Aug18.7 °C31.5 °C8.7 °C113217014
Sep14.4 °C26.5 °C4.7 °C8316104
Oct10.0 °C21.6 °C0.3 °C8210010
Nov4.9 °C15.8 °C−4.0 °C745480
Dec1.7 °C11.9 °C−7.9 °C8142180
Year9.8 °C32.2 °C−8.9 °C105016668149

At what altitude is Illnau-Effretikon located?

Illnau-Effretikon sits at around 508 m above sea level in the canton of Zurich. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.

What is the warmest month in Illnau-Effretikon?

The warmest month in Illnau-Effretikon is July, averaging 19.1 °C; the coldest is January, at 1.0 °C. The annual mean is 9.8 °C (MeteoSwiss 1991–2020 normals, reference station Zürich / Fluntern).

How much does it rain in Illnau-Effretikon per year?

Illnau-Effretikon receives about 1050 mm of precipitation a year, or 88 mm a month on average. The wettest month is July (120 mm) and the driest February (57 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Illnau-Effretikon have?

Illnau-Effretikon averages 81 frost days a year, most of them in January (20 days). Conversely, 49 summer days exceed 25 °C, 10 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Illnau-Effretikon get per year?

The sun shines for about 1666 hours a year in Illnau-Effretikon. The sunniest month is July (233 h) and the least sunny December (42 h), according to the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Illnau-Effretikon?

In Illnau-Effretikon, the monthly mean rises from 1.0 °C in January to 19.1 °C in July: a 18.1 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −8.9 °C to 32.2 °C.

When is the best time to visit Illnau-Effretikon?

For warmth and sunshine: July (19.1 °C on average, 233 h of sun). To avoid rain, February is the driest month (57 mm). The coldest month is January (1.0 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Zürich / Fluntern (11 km, 604 m), Zürich / Affoltern (13 km, 444 m), Zürich / Kloten (13 km, 426 m), adjusted to the elevation of Illnau-Effretikon (508 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.