What is the weather in Seon today?

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

What is the 15-day forecast for Seon?

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

Will it rain tomorrow in Seon?

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

What is the air quality in Seon?

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

Are there weather alerts for Seon?

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

At what altitude is Seon located?

Seon sits at around 446 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Seon?

The warmest month in Seon is July, averaging 19.1 °C (1991–2020 normal). The coldest is January at 0.9 °C.

How much does it rain in Seon per year?

Seon receives about 1006 mm of precipitation a year. The wettest month is July (107 mm), the driest February (59 mm).

When is the best time to visit Seon?

For warmth and sunshine: July (19.1 °C on average, 225 h of sun). The coldest month is January (0.9 °C). Check the 15-day forecast above for your dates.

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Home › Aargau › Seon

Weather in Seon

Aargau, 446 m · continuously updated

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

Temperature · last 4 and next 28 hours

Seon weather: the next 24 hours

Updated hourly.

Seon weather hour by hour (48 h)

Seon 15-day forecast

Two-week trend.

Seon 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 Seon

Neighbouring municipalities, as the crow flies.

Egliswil1 km Hallwil3 km Staufen3 km Teufenthal (AG)3 km Dürrenäsch3 km Schafisheim3 km Lenzburg4 km Gränichen4 km

7-day forecast for Seon

Today (Sunday 27 Sep) in Seon: mostly sunny, 10 to 27 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: overcast, 12 to 28 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	10 °C	27 °C	0.0 mm	7 km/h
Tomorrow	overcast	12 °C	28 °C	0.0 mm	7 km/h
Tue 29 Sep	fog	10 °C	26 °C	0.0 mm	6 km/h
Wed 30 Sep	overcast	14 °C	24 °C	0.3 mm	5 km/h
Thu 1 Oct	light rain	14 °C	18 °C	4.5 mm	4 km/h
Fri 2 Oct	fog	13 °C	20 °C	0.0 mm	7 km/h
Sat 3 Oct	fog	14 °C	21 °C	0.0 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 446 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Seon

Sunday 27 Sep in Seon, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 11 °C around 08:00, high 27 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	13 °C	4 km/h
01:00	sunny	14 °C	1 km/h
02:00	sunny	14 °C	1 km/h
03:00	sunny	13 °C	2 km/h
04:00	sunny	13 °C	1 km/h
05:00	sunny	12 °C	2 km/h
06:00	sunny	11 °C	2 km/h
07:00	sunny	11 °C	2 km/h
08:00	sunny	11 °C	2 km/h
09:00	sunny	12 °C	1 km/h
10:00	sunny	16 °C	2 km/h
11:00	sunny	18 °C	2 km/h
12:00	sunny	21 °C	2 km/h
13:00	sunny	24 °C	4 km/h
14:00	sunny	26 °C	7 km/h
15:00	sunny	27 °C	8 km/h
16:00	sunny	27 °C	8 km/h
17:00	mostly sunny	27 °C	5 km/h
18:00	sunny	26 °C	3 km/h
19:00	sunny	23 °C	4 km/h
20:00	sunny	18 °C	6 km/h
21:00	sunny	16 °C	6 km/h
22:00	partly cloudy	16 °C	5 km/h
23:00	partly cloudy	15 °C	5 km/h

Hourly forecast issued 27.09.2026 for Seon (446 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Seon weather tomorrow

Tomorrow, Monday 28 Sep, in Seon: overcast, 12 to 28 °C, wind up to 7 km/h. No precipitation expected.

Seon weekend weather

This weekend in Seon: Saturday fog, 14 to 21 °C; Sunday mostly sunny, 10 to 27 °C.

Will it rain in Seon this week?

Yes: 1 day with precipitation is expected in Seon over the next 7 days, 4.8 mm in total. Wettest day: Thursday 1 Oct (4.5 mm).

The best day to go out in Seon

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

The last 7 days in Seon

From 20 Sep to 26 Sep: 15.5 °C on average, 1.3 °C above the September normal (14.2 °C), 0 mm of precipitation (7-day normal: 18 mm). Warmest day: saturday 26 Sep (26 °C); coolest night: wednesday 23 Sep (6 °C).

Day	Min	Max
Sun 20 Sep	10 °C	25 °C
Mon 21 Sep	12 °C	21 °C
Tue 22 Sep	7 °C	21 °C
Wed 23 Sep	6 °C	22 °C
Thu 24 Sep	8 °C	21 °C
Fri 25 Sep	8 °C	22 °C
Sat 26 Sep	8 °C	26 °C

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

Climate of Seon: 1991–2020 normals

In Seon (446 m), the mean annual temperature is 9.7 °C. The warmest month is July (19.1 °C on average) and the coldest January (0.9 °C). About 1006 mm of precipitation falls per year, peaking in July (107 mm) with a minimum in February (59 mm). The sun shines for about 1549 hours a year, mostly in July (225 h). On average there are 77 frost days and 15 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.8 °C and the absolute minimum −9.0 °C.

9.7 °CMean annual temperature

1006 mmPrecipitation per year

1549 hSunshine hours per year

77Frost days per year

57Summer 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	0.9 °C	11.1 °C	−9.0 °C	70	41	19	0
Feb	1.6 °C	13.5 °C	−8.3 °C	59	74	18	0
Mar	5.6 °C	18.9 °C	−5.0 °C	68	133	11	0
Apr	9.5 °C	23.7 °C	−1.7 °C	71	169	3	1
May	13.7 °C	27.7 °C	2.6 °C	106	183	0	5
Jun	17.3 °C	31.3 °C	6.4 °C	99	205	0	13
Jul	19.1 °C	32.8 °C	8.8 °C	107	225	0	18
Aug	18.5 °C	31.8 °C	8.1 °C	106	208	0	16
Sep	14.2 °C	26.6 °C	4.1 °C	76	151	0	5
Oct	9.8 °C	21.4 °C	0.1 °C	79	86	1	0
Nov	4.8 °C	15.1 °C	−4.0 °C	76	43	8	0
Dec	1.6 °C	11.5 °C	−7.6 °C	89	31	16	0
Year	9.7 °C	32.8 °C	−9.0 °C	1006	1549	77	57

Source: MeteoSwiss open data (1991–2020 normals) — stations Buchs / Aarau (7 km, 387 m), Gösgen (14 km, 380 m), Würenlingen / PSI (21 km, 334 m), adjusted to the elevation of Seon (446 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.