Tomorrow's Weather Forecast - Basel

Tomorrow's weather in Basel. high 25°C (77°F), low 12°C (54°F). Overcast.

Tomorrow’s Outlook

Tomorrow will be 2°C warmer than today. Expect pleasant, mostly clear skies with little chance of rain. Humidity sits at a moderate 54%, so the air shouldn't feel unusually damp or dry. Winds stay light and calm, rarely topping 4 km/h. Sunrise is at 7:02 AM and sunset at 7:48 PM, for about 12h 45m of daylight.

Tomorrow
25°/ 12°
Today23° / 11°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon14°
Rain probability
0%
Wind speed
3 km/h
AfternoonNoon – 6 PM23°
Rain probability
0%
Wind speed
3 km/h
Evening6 PM – Midn22°
Rain probability
0%
Wind speed
4 km/h
NightMidn – 6 AM13°
Rain probability
0%
Wind speed
3 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +25°C

Planning Advice for Tomorrow

Clothing
Warm jacket and comfortable layers recommended.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 6:32 AM
Total Daylight
Full day forecastSolar noon 1:25 PM
Sunset
Dusk 8:18 PM
vs today-4 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier

5-Day Weather Forecast

Full 15-Day Forecast
Today11 Sep
Overcast
23°/ 11°
1–7
Wind
Tomorrow12 Sep
Overcast
25°/ 12°
4
Wind
Sun13 Sep
Overcast
26°/ 13°
26%
Rain
2–13
Wind
Mon14 Sep
Overcast
26°/ 15°
19%
Rain
1–5
Wind
Tue15 Sep
Partly Cloudy
28°/ 11°
3%
Rain
2–6
Wind

Weather Insight

Basel is forecast to reach a high of 25°C tomorrow, with an overnight low around 12°C. That's 6° above the long-term average high of 19°C for this time of year. It continues a recent pattern — 25 of the last 28 days with published data have run warmer than normal. Expect little chance of rain (0% probability) and light winds averaging 4 km/h. Air quality is currently good (AQI 32), with no notable outdoor health concerns.

Today vs Normal

23°C+3° above normal

The long-term average high for today is 20°C.

25 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-28: 22°C22°2026-08-29: 23°C23°2026-08-30: 25°C25°2026-08-31: 22°C22°2026-09-01: 23°C23°2026-09-02: 24°C24°2026-09-03: 25°C25°2026-09-04: 28°C28°2026-09-05: 23°C23°2026-09-06: 25°C25°2026-09-07: 27°C27°2026-09-08: 29°C29°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.