Today
Mon, Jun 22
Overcast
36°21°
- Rain chance
- 3%
- Precip
- 0 mm
- Max wind
- 10 km/h
Basel air quality
Basel-City, Switzerland · Zurich time · 47.56°, 7.57°
Current conditions · 6:15 AM local
Current conditions in Basel
21°C
Clear sky
Feels like 28°C
- Humidity
- 68%
- Wind
- 2 km/h ESE
- Gusts
- 5 km/h
- UV index
- 0
- Visibility
- 38.8 km
Air quality
41
Good
US AQI · European AQI 20
Air quality in Basel is currently good, with a US AQI of 41 (European AQI 20). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 10.8 µg/m³. Pollen in the air today: grass (moderate) — allergy sufferers take note.
Pollutants
- PM2.5
- 10.8 µg/m³
- PM10
- 14.3 µg/m³
- Ozone (O₃)
- 39 µg/m³
- NO₂
- 13 µg/m³
- SO₂
- 0.4 µg/m³
- CO
- 156 µg/m³
- Dust
- 3 µg/m³
Pollen
- Grass
- 67.5 gr/m³
- Birch
- 0 gr/m³
- Alder
- 0 gr/m³
- Olive
- 0 gr/m³
- Mugwort
- 0 gr/m³
- Ragweed
- 0 gr/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Conditions in Basel at the moment: clear sky, 21 °C. It feels warmer than it reads, more like 24 °C. Wind is from the ESE at 2 km/h. Humidity stands at 79% with sea-level pressure near 1024 hPa.
At a glance
Today
36° / 21°Overcast
Tomorrow
35° / 23°Overcast
Upcoming · to Sunday
36° / 19°A steady stretch: highs near 36°, lows around 19°, and no day above a 31% rain chance through Sunday.
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Next 3 days
Expect overcast today, between 21 °C and 36 °C. Tomorrow looks like overcast; temperatures run from 23 °C up to 35 °C. Wednesday looks like partly cloudy; temperatures run from 20 °C up to 35 °C.
Tomorrow
Tue, Jun 23
Overcast
35°23°
- Rain chance
- 0%
- Precip
- 0 mm
- Max wind
- 14 km/h
Wednesday
Wed, Jun 24
Partly cloudy
35°20°
- Rain chance
- 0%
- Precip
- 0 mm
- Max wind
- 12 km/h
Next 48 hours
- 12 AM25°0%2 km/h
- 1 AM24°0%2 km/h
- 2 AM23°0%1 km/h
- 3 AM22°0%3 km/h
- 4 AM22°0%2 km/h
- 5 AM21°0%3 km/h
- 6 AM21°0%2 km/h
- 7 AM21°0%2 km/h
- 8 AM23°0%3 km/h
- 9 AM25°0%2 km/h
- 10 AM27°0%2 km/h
- 11 AM29°0%3 km/h
- 12 PM31°0%2 km/h
- 1 PM33°0%3 km/h
- 2 PM34°0%4 km/h
- 3 PM35°0%4 km/h
- 4 PM36°0%6 km/h
- 5 PM36°0%6 km/h
- 6 PM36°3%6 km/h
- 7 PM36°3%10 km/h
- 8 PM34°0%7 km/h
- 9 PM32°0%3 km/h
- 10 PM30°0%1 km/h
- 11 PM28°0%2 km/h
- 12 AM26°0%3 km/h
- 1 AM26°0%1 km/h
- 2 AM25°0%2 km/h
- 3 AM24°0%3 km/h
- 4 AM24°0%1 km/h
- 5 AM23°0%1 km/h
- 6 AM23°0%2 km/h
- 7 AM23°0%0 km/h
- 8 AM24°0%2 km/h
- 9 AM25°0%1 km/h
- 10 AM28°0%2 km/h
- 11 AM30°0%3 km/h
- 12 PM32°0%3 km/h
- 1 PM33°0%3 km/h
- 2 PM35°0%8 km/h
- 3 PM34°0%13 km/h
- 4 PM34°0%14 km/h
- 5 PM35°0%9 km/h
- 6 PM35°0%11 km/h
- 7 PM34°0%12 km/h
- 8 PM34°0%8 km/h
- 9 PM32°0%4 km/h
- 10 PM28°0%1 km/h
- 11 PM27°0%2 km/h
In depth
The weather picture for Basel opens with clear sky; it's 21 °C out, feeling like 24 °C. Today's forecast calls for overcast, topping out near 36 °C before falling back to 21 °C overnight. Winds blow mainly from the NE around 10 km/h, with gusts up to 22 km/h. Daytime highs hold fairly steady this week, staying within 34 to 36 °C. Rain is in the picture on Sunday, with roughly 2 mm expected in total across the week. Tomorrow brings overcast with a high of 35 °C and a 0% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. With the apparent temperature pushing into heat-stress territory, limit strenuous outdoor activity in the afternoon and stay hydrated. Sunrise comes at 05:32 and sunset at 21:30, giving 16 hours of daylight. Current humidity sits at 79% with pressure near 1024 hPa. Looking further out, Friday shows slight rain showers with a high around 36 °C, while Sunday ends the week at 36 °C.
Sun & UV
- Sunrise
- 5:32 AM
- Sunset
- 9:30 PM
- Daylight
- 15h 59m
- Max UV
- 7.25 High
Wind
- Wind
- 2 km/h
- Gusts
- 5 km/h
- Direction
- ESE (117°)
Farming weather
Soil temperatures today read surface 27 °C, 6 cm 29.3 °C, 18 cm 29.8 °C, 54 cm 23.2 °C. Soil moisture sits at 0-1 cm at 0.2 m³/m³, 3-9 cm at 0.22 m³/m³, 27-81 cm at 0.28 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 41 mm against only 2 mm of expected rain — a 39 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-22, with winds at or below 15 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 36 °C (threshold 32 °C). Heat stress is likely for maize with highs reaching 36 °C (threshold 35 °C). Projected growing degree days over the next week: wheat 165, maize 126.
- Topsoil moisture
- 0.216 m³/m³
- Soil temp
- 24°C
- ET₀ today
- 6.08 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 1.5 mm
- Wind
- 2 km/h
- Humidity
- 68%
Advisory summary
No weather alert thresholds are crossed for Basel in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Basel
| Variable | Value |
|---|---|
| City | Basel, Basel-City, Switzerland |
| Coordinates | 47.55839, 7.57327 |
| Elevation | 279 m |
| Timezone | Europe/Zurich |
| Population | 177,595 |
| Observed at (local) | 6:15 AM |
| Temperature (2 m) | 21°C |
| Apparent temperature | 28°C |
| Relative humidity (2 m) | 68% |
| Dew point (2 m) | 19°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 0% |
| Surface pressure | 991 hPa |
| Sea-level pressure | 1024 hPa |
| Wind speed (10 m) | 2 km/h |
| Wind gusts (10 m) | 5 km/h |
| Wind direction (10 m) | 117° (ESE) |
| Visibility | 38.8 km |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 36°C / 21°C |
| Today feels-like max / min | 38°C / 24°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 3% |
| Today max wind / gusts | 10 km/h / 22 km/h |
| Dominant wind direction | 53° (NE) |
| Sunrise / sunset | 5:32 AM / 9:30 PM |
| Daylight duration | 15h 59m |
| Sunshine duration | 14h 32m |
| Max UV index | 7.25 |
| Reference evapotranspiration (ET₀) | 6.08 mm |
| Topsoil moisture (0–1 cm) | 0.216 m³/m³ |
| Surface soil temperature | 24°C |
| US AQI | 41 |
| European AQI | 20 |
| PM2.5 | 10.8 µg/m³ |
| PM10 | 14.3 µg/m³ |
| Ozone (O₃) | 39 µg/m³ |
| Nitrogen dioxide (NO₂) | 13 µg/m³ |
| Sulphur dioxide (SO₂) | 0.4 µg/m³ |
| Carbon monoxide (CO) | 156 µg/m³ |
| Dust | 3 µg/m³ |
| Alder pollen | 0 gr/m³ |
| Birch pollen | 0 gr/m³ |
| Grass pollen | 67.5 gr/m³ |
| Mugwort pollen | 0 gr/m³ |
| Olive pollen | 0 gr/m³ |
| Ragweed pollen | 0 gr/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/ch/basel-city/basel" width="320" height="180" frameborder="0" title="Basel weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Basel tomorrow?
Rain is unlikely in Basel tomorrow; the precipitation chance stays around 0%.
What is the temperature in Basel today?
Today Basel sees overcast with a high of 36 °C and a low of 21 °C.
How hot will it be in Basel tomorrow?
Tomorrow's high in Basel is forecast at 35 °C with overcast.
Is it windy in Basel today?
No, not especially; gusts only reach up to 22 km/h today.
What is the UV index in Basel today?
The UV index peaks at 7 today, which is high.
What time is sunrise and sunset in Basel today?
The sun rises at 05:32 and sets at 21:30 local time.
Is the air quality in Basel good today?
Air quality is good right now, with a US AQI reading of 41.