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Weather in Untersiggenthal

Aargau, 424 m · continuously updated

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Aare: 10.5 °C at Brugg river temperature · FOEN gauge 5.0 km away · 14.11. 11h

Temperature · last 4 and next 28 hours

Untersiggenthal weather: the next 24 hours

Updated hourly.

Untersiggenthal weather hour by hour (48 h)

Untersiggenthal 15-day forecast

Two-week trend.

Untersiggenthal 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 Untersiggenthal

Neighbouring municipalities, as the crow flies.

7-day forecast for Untersiggenthal

Today (Saturday 14 Nov) in Untersiggenthal: overcast, −2 to 6 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: light rain, −1 to 11 °C. The day runs 2.8 °C below the November norm (4.8 °C monthly mean, MeteoSwiss 1991–2020).

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayovercast−2 °C6 °C0.0 mm7 km/h
Tomorrowlight rain−1 °C11 °C2.4 mm13 km/h
Mon 16 Novshowers7 °C11 °C5.6 mm19 km/h
Tue 17 Novshowers8 °C14 °C8.9 mm33 km/h
Wed 18 Novthunderstorms10 °C12 °C16.6 mm27 km/h
Thu 19 Novshowers10 °C15 °C4.2 mm22 km/h
Fri 20 Novlight rain−1 °C9 °C3.9 mm22 km/h

Forecast updated on 14.11.2026 at 11:18 (Open-Meteo model, elevation 424 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Untersiggenthal. Tomorrow: rain from 05:00 to 10:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Untersiggenthal

Saturday 14 Nov in Untersiggenthal, hour by hour: sunny in the morning, mostly sunny in the afternoon, sunny in the evening. Low −2 °C around 07:00, high 6 °C around 14:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny0 °C0.0 mm6 km/h
01:00sunny−1 °C0.0 mm5 km/h
02:00sunny−1 °C0.0 mm5 km/h
03:00sunny−1 °C0.0 mm6 km/h
04:00sunny−1 °C0.0 mm5 km/h
05:00sunny−1 °C0.0 mm4 km/h
06:00sunny−1 °C0.0 mm4 km/h
07:00sunny−2 °C0.0 mm2 km/h
08:00sunny−2 °C0.0 mm2 km/h
09:00sunny−1 °C0.0 mm3 km/h
10:00sunny2 °C0.0 mm4 km/h
11:00mostly sunny4 °C0.0 mm7 km/h
12:00mostly sunny5 °C0.0 mm7 km/h
13:00mostly sunny6 °C0.0 mm5 km/h
14:00mostly sunny6 °C0.0 mm5 km/h
15:00mostly sunny6 °C0.0 mm6 km/h
16:00sunny5 °C0.0 mm6 km/h
17:00sunny4 °C0.0 mm4 km/h
18:00sunny2 °C0.0 mm4 km/h
19:00sunny2 °C0.0 mm4 km/h
20:00partly cloudy1 °C0.0 mm4 km/h
21:00overcast1 °C0.0 mm4 km/h
22:00overcast0 °C0.0 mm3 km/h
23:00overcast0 °C0.0 mm2 km/h

Hourly forecast issued 14.11.2026 for Untersiggenthal (424 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 Untersiggenthal

Today, Saturday 14 Nov in Untersiggenthal: overcast, −2 to 6 °C, wind up to 7 km/h. No precipitation expected. That is 2.8 °C below the climate normal for November in Untersiggenthal (4.8 °C average over 1991-2020).

Untersiggenthal weather tomorrow

Tomorrow, Sunday 15 Nov, in Untersiggenthal: light rain, −1 to 11 °C, wind up to 13 km/h. Precipitation expected: 2.4 mm, 89 % probability.

What is the temperature in Untersiggenthal?

Today in Untersiggenthal (424 m): −2 to 6 °C. Tomorrow: −1 to 11 °C. Over the next 7 days, highs range from 6 to 15 °C, averaging 11 °C.

Untersiggenthal weekend weather

This weekend in Untersiggenthal: Saturday overcast, −2 to 6 °C; Sunday light rain, −1 to 11 °C.

Will it rain in Untersiggenthal this week?

Yes: 6 days with precipitation are expected in Untersiggenthal over the next 7 days, 41.6 mm in total. Wettest day: Wednesday 18 Nov (16.6 mm).

What is the UV index in Untersiggenthal?

Today in Untersiggenthal (424 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 Untersiggenthal

The best day of the next 7 in Untersiggenthal: Saturday 14 Nov, overcast, up to 6 °C.

Climate of Untersiggenthal: 1991–2020 normals

In Untersiggenthal (424 m), the mean annual temperature is 9.7 °C. The warmest month is July (18.9 °C on average) and the coldest January (1.0 °C). About 1042 mm of precipitation falls per year, peaking in December (105 mm) with a minimum in September (70 mm). On average there are 75 frost days and 16 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.7 °C and the absolute minimum −8.3 °C.

9.7 °CMean annual temperature
1042 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
Jan1.0 °C11.7 °C−8.3 °C89180
Feb1.7 °C13.8 °C−7.6 °C77180
Mar5.4 °C19.1 °C−4.7 °C79130
Apr9.4 °C23.9 °C−1.6 °C7331
May13.6 °C27.9 °C2.7 °C9806
Jun17.2 °C31.5 °C6.6 °C90013
Jul18.9 °C32.7 °C9.0 °C100017
Aug18.3 °C31.7 °C8.4 °C89016
Sep14.1 °C26.7 °C4.6 °C7004
Oct9.8 °C21.5 °C0.8 °C8410
Nov4.8 °C15.4 °C−3.6 °C8860
Dec1.7 °C11.9 °C−7.2 °C105150
Year9.7 °C32.7 °C−8.3 °C10427557

Untersiggenthal climate month by month

January in Untersiggenthal
1.0 °C on average and 89 mm of rainfall. 18 frost days.
February in Untersiggenthal
1.7 °C on average and 77 mm of rainfall. 18 frost days.
March in Untersiggenthal
5.4 °C on average and 79 mm of rainfall. 13 frost days.
April in Untersiggenthal
9.4 °C on average and 73 mm of rainfall. 3 frost days. 1 summer days (≥ 25 °C).
May in Untersiggenthal
13.6 °C on average and 98 mm of rainfall. 0 frost days. 6 summer days (≥ 25 °C).
June in Untersiggenthal
17.2 °C on average and 90 mm of rainfall. 13 summer days (≥ 25 °C).
July in Untersiggenthal
18.9 °C on average and 100 mm of rainfall. 17 summer days (≥ 25 °C).
August in Untersiggenthal
18.3 °C on average and 89 mm of rainfall. 16 summer days (≥ 25 °C).
September in Untersiggenthal
14.1 °C on average and 70 mm of rainfall. 4 summer days (≥ 25 °C).
October in Untersiggenthal
9.8 °C on average and 84 mm of rainfall. 1 frost days. 0 summer days (≥ 25 °C).
November in Untersiggenthal
4.8 °C on average and 88 mm of rainfall. 6 frost days.
December in Untersiggenthal
1.7 °C on average and 105 mm of rainfall. 15 frost days.

At what altitude is Untersiggenthal located?

Untersiggenthal sits at around 424 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 Untersiggenthal?

The warmest month in Untersiggenthal is July, averaging 18.9 °C; the coldest is January, at 1.0 °C. The annual mean is 9.7 °C (MeteoSwiss 1991–2020 normals, reference station Würenlingen / PSI).

How much does it rain in Untersiggenthal per year?

Untersiggenthal receives about 1042 mm of precipitation a year, or 87 mm a month on average. The wettest month is December (105 mm) and the driest September (70 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Untersiggenthal have?

Untersiggenthal 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 Untersiggenthal?

In Untersiggenthal, the monthly mean rises from 1.0 °C in January to 18.9 °C in July: a 17.9 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −8.3 °C to 32.7 °C.

Source: MeteoSwiss open data (1991–2020 normals) — stations Würenlingen / PSI (3 km, 334 m), Beznau (5 km, 326 m), Leibstadt (10 km, 341 m), adjusted to the elevation of Untersiggenthal (424 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.