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Weather in Sisseln

Aargau, 296 m · continuously updated

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Rhein (Oberwasser): 13.5 °C at Laufenburg river temperature · FOEN gauge 4.9 km away · 01.11. 13h

Temperature · last 4 and next 28 hours

Sisseln weather: the next 24 hours

Updated hourly.

Sisseln weather hour by hour (48 h)

Sisseln 15-day forecast

Two-week trend.

Sisseln weekend weatherRain 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 Sisseln

Neighbouring municipalities, as the crow flies.

7-day forecast for Sisseln

Today (Saturday 14 Nov) in Sisseln: overcast, −1 to 7 °C, precipitation 0.0 mm (0 %), wind up to 16 km/h. Tomorrow: showers, 3 to 10 °C. The day runs 2.9 °C below the November norm (5.9 °C monthly mean, MeteoSwiss 1991–2020).

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayovercast−1 °C7 °C0.0 mm16 km/h
Tomorrowshowers3 °C10 °C4.4 mm12 km/h
Mon 16 Novshowers8 °C11 °C4.9 mm24 km/h
Tue 17 Novlight rain8 °C15 °C15.1 mm32 km/h
Wed 18 Novshowers10 °C13 °C14.6 mm26 km/h
Thu 19 Novshowers10 °C15 °C4.5 mm22 km/h
Fri 20 Novshowers0 °C10 °C4.3 mm23 km/h

Forecast updated on 14.11.2026 at 11:34 (Open-Meteo model, elevation 296 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Sisseln. Tomorrow: rain from 04:00 to 10:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Sisseln

Saturday 14 Nov in Sisseln, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low −1 °C around 07:00, high 7 °C around 14:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny1 °C0.0 mm6 km/h
01:00sunny1 °C0.0 mm6 km/h
02:00sunny1 °C0.0 mm6 km/h
03:00sunny0 °C0.0 mm6 km/h
04:00sunny0 °C0.0 mm6 km/h
05:00sunny0 °C0.0 mm7 km/h
06:00sunny0 °C0.0 mm7 km/h
07:00sunny−1 °C0.0 mm7 km/h
08:00sunny−1 °C0.0 mm8 km/h
09:00sunny1 °C0.0 mm9 km/h
10:00sunny3 °C0.0 mm13 km/h
11:00sunny5 °C0.0 mm16 km/h
12:00sunny6 °C0.0 mm16 km/h
13:00sunny6 °C0.0 mm15 km/h
14:00sunny7 °C0.0 mm15 km/h
15:00sunny7 °C0.0 mm14 km/h
16:00sunny6 °C0.0 mm13 km/h
17:00sunny5 °C0.0 mm11 km/h
18:00sunny4 °C0.0 mm11 km/h
19:00sunny4 °C0.0 mm10 km/h
20:00partly cloudy4 °C0.0 mm10 km/h
21:00overcast3 °C0.0 mm9 km/h
22:00overcast3 °C0.0 mm9 km/h
23:00overcast3 °C0.0 mm9 km/h

Hourly forecast issued 14.11.2026 for Sisseln (296 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 Sisseln

Today, Saturday 14 Nov in Sisseln: overcast, −1 to 7 °C, wind up to 16 km/h. No precipitation expected. That is 2.9 °C below the climate normal for November in Sisseln (5.9 °C average over 1991-2020).

Sisseln weather tomorrow

Tomorrow, Sunday 15 Nov, in Sisseln: showers, 3 to 10 °C, wind up to 12 km/h. Precipitation expected: 4.4 mm, 100 % probability.

What is the temperature in Sisseln?

Today in Sisseln (296 m): −1 to 7 °C. Tomorrow: 3 to 10 °C. Over the next 7 days, highs range from 7 to 15 °C, averaging 12 °C.

Sisseln weekend weather

This weekend in Sisseln: Saturday overcast, −1 to 7 °C; Sunday showers, 3 to 10 °C.

Will it rain in Sisseln this week?

Yes: 6 days with precipitation are expected in Sisseln over the next 7 days, 47.9 mm in total. Wettest day: Tuesday 17 Nov (15.1 mm).

What is the UV index in Sisseln?

Today in Sisseln (296 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 Sisseln

The best day of the next 7 in Sisseln: Saturday 14 Nov, overcast, up to 7 °C.

Climate of Sisseln: 1991–2020 normals

In Sisseln (296 m), the mean annual temperature is 10.7 °C. The warmest month is July (19.9 °C on average) and the coldest January (2.0 °C). About 967 mm of precipitation falls per year, peaking in May (97 mm) with a minimum in February (63 mm). On average there are 75 frost days and 16 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 33.1 °C and the absolute minimum −7.4 °C.

10.7 °CMean annual temperature
967 mmPrecipitation per year
75Frost days per year
57Summer days (≥ 25 °C)
JFMAMJJASOND

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

MonthMean TAbs. maxAbs. minPrecip. (mm)Frost daysSummer days
Jan2.0 °C12.9 °C−7.4 °C74180
Feb2.8 °C14.6 °C−6.7 °C63180
Mar6.6 °C19.6 °C−3.4 °C68130
Apr10.5 °C24.1 °C−0.3 °C6931
May14.5 °C28.1 °C4.0 °C9706
Jun18.1 °C31.7 °C7.8 °C87013
Jul19.9 °C33.1 °C10.3 °C97017
Aug19.5 °C32.2 °C9.7 °C92016
Sep15.3 °C27.2 °C5.9 °C7104
Oct10.9 °C22.5 °C1.9 °C7910
Nov5.9 °C16.7 °C−2.4 °C8060
Dec2.8 °C13.2 °C−6.2 °C91150
Year10.7 °C33.1 °C−7.4 °C9677557

At what altitude is Sisseln located?

Sisseln sits at around 296 m above sea level in the canton of Aargau. 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 Sisseln?

The warmest month in Sisseln is July, averaging 19.9 °C; the coldest is January, at 2.0 °C. The annual mean is 10.7 °C (MeteoSwiss 1991–2020 normals, reference station Rünenberg).

How much does it rain in Sisseln per year?

Sisseln receives about 967 mm of precipitation a year, or 81 mm a month on average. The wettest month is May (97 mm) and the driest February (63 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Sisseln have?

Sisseln averages 75 frost days a year, most of them in January (18 days). Conversely, 57 summer days exceed 25 °C, 16 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Sisseln?

In Sisseln, the monthly mean rises from 2.0 °C in January to 19.9 °C in July: a 17.9 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −7.4 °C to 33.1 °C.

Source: MeteoSwiss open data (1991–2020 normals) — stations Rünenberg (15 km, 611 m), Leibstadt (16 km, 341 m), Würenlingen / PSI (18 km, 334 m), adjusted to the elevation of Sisseln (296 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.