Today
Sun, Jun 21
Overcast
34°18°
- Rain chance
- 3%
- Precip
- 0 mm
- Max wind
- 16 km/h
Uster weather forecast
Zurich, Switzerland · Zurich time · 47.35°, 8.72°
Current conditions · 3:00 PM local
Current conditions in Uster
33°C
Clear sky
Feels like 36°C
- Humidity
- 30%
- Wind
- 2 km/h NW
- Gusts
- 8 km/h
- UV index
- 6.1
- Visibility
- 47.8 km
Right now
Conditions in Uster at the moment: clear sky, 33 °C. It feels warmer than it reads, more like 36 °C. Wind is from the NW at 2 km/h. Humidity stands at 30% with sea-level pressure near 1024 hPa.
At a glance
Today
34° / 18°Overcast
Tomorrow
34° / 19°Overcast
Upcoming · to Saturday
36° / 19°A steady stretch: highs near 36°, lows around 19°, and no day above a 10% rain chance through Saturday.
Ad · 728×90
Next 3 days
Today looks like overcast; temperatures run from 18 °C up to 34 °C. Tomorrow looks like overcast; temperatures run from 18 °C up to 34 °C. Tuesday brings overcast with a high of 33 °C and a low of 19 °C.
Tomorrow
Mon, Jun 22
Overcast
34°19°
- Rain chance
- 3%
- Precip
- 0 mm
- Max wind
- 11 km/h
Tuesday
Tue, Jun 23
Overcast
33°19°
- Rain chance
- 3%
- Precip
- 0 mm
- Max wind
- 9 km/h
Next 48 hours
- 12 AM20°0%7 km/h
- 1 AM19°0%6 km/h
- 2 AM19°0%6 km/h
- 3 AM19°0%5 km/h
- 4 AM18°0%5 km/h
- 5 AM18°0%4 km/h
- 6 AM18°0%5 km/h
- 7 AM19°0%4 km/h
- 8 AM21°0%5 km/h
- 9 AM23°0%2 km/h
- 10 AM26°0%2 km/h
- 11 AM28°0%1 km/h
- 12 PM30°0%1 km/h
- 1 PM31°0%4 km/h
- 2 PM32°0%3 km/h
- 3 PM33°0%2 km/h
- 4 PM33°0%3 km/h
- 5 PM34°0%4 km/h
- 6 PM33°3%5 km/h
- 7 PM30°3%16 km/h
- 8 PM29°0%6 km/h
- 9 PM27°0%3 km/h
- 10 PM26°3%2 km/h
- 11 PM23°0%5 km/h
- 12 AM21°0%4 km/h
- 1 AM20°0%3 km/h
- 2 AM20°0%3 km/h
- 3 AM19°0%4 km/h
- 4 AM19°0%5 km/h
- 5 AM19°0%3 km/h
- 6 AM19°0%4 km/h
- 7 AM19°0%2 km/h
- 8 AM21°0%2 km/h
- 9 AM24°0%1 km/h
- 10 AM26°0%1 km/h
- 11 AM29°0%3 km/h
- 12 PM31°0%3 km/h
- 1 PM32°0%6 km/h
- 2 PM33°3%5 km/h
- 3 PM34°0%8 km/h
- 4 PM34°0%7 km/h
- 5 PM34°3%10 km/h
- 6 PM33°0%10 km/h
- 7 PM32°3%11 km/h
- 8 PM30°0%7 km/h
- 9 PM28°0%2 km/h
- 10 PM27°0%2 km/h
- 11 PM23°0%5 km/h
In depth
Uster starts the period under clear sky, with the mercury at 33 °C and a feels-like of 36 °C. Today's forecast calls for overcast, topping out near 34 °C before falling back to 18 °C overnight. Winds blow mainly from the NE around 16 km/h, with gusts up to 32 km/h. Daytime highs hold fairly steady this week, staying within 32 to 36 °C. No meaningful rain shows up in the seven-day outlook, so dry conditions should dominate. Tomorrow brings overcast with a high of 34 °C and a 3% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:28 and sunset at 21:25, giving 15.9 hours of daylight. Current humidity sits at 30% with pressure near 1024 hPa. Looking further out, Thursday shows overcast with a high around 36 °C, while Saturday ends the week at 32 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Air quality
37
Good
US AQI · European AQI 38
Air quality in Uster is currently good, with a US AQI of 37 (European AQI 38). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 8.6 µg/m³. Pollen in the air today: grass (moderate) — allergy sufferers take note.
Pollutants
- PM2.5
- 8.6 µg/m³
- PM10
- 14.2 µg/m³
- Ozone (O₃)
- 96 µg/m³
- NO₂
- 0.8 µg/m³
- SO₂
- 0.2 µg/m³
- CO
- 121 µg/m³
- Dust
- 8 µg/m³
Pollen
- Grass
- 50.9 gr/m³
- Birch
- 0.1 gr/m³
- Alder
- 0 gr/m³
- Olive
- 0.2 gr/m³
- Mugwort
- 0 gr/m³
- Ragweed
- 0 gr/m³
Sun & UV
- Sunrise
- 5:28 AM
- Sunset
- 9:25 PM
- Daylight
- 15h 57m
- Max UV
- 6.75 High
Wind
- Wind
- 2 km/h
- Gusts
- 8 km/h
- Direction
- NW (309°)
Farming weather
Soil temperatures today read surface 21.4 °C, 6 cm 24 °C, 18 cm 24.3 °C, 54 cm 19.1 °C. Soil moisture sits at 0-1 cm at 0.15 m³/m³, 3-9 cm at 0.2 m³/m³, 27-81 cm at 0.26 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 1 mm of expected rain — a 40 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, 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 158, maize 120.
- Topsoil moisture
- 0.209 m³/m³
- Soil temp
- 19°C
- ET₀ today
- 5.75 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 1.2 mm
- Wind
- 2 km/h
- Humidity
- 30%
Advisory summary
No weather alert thresholds are crossed for Uster in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
Ad · 300×250
All data for Uster
| Variable | Value |
|---|---|
| City | Uster, Zurich, Switzerland |
| Coordinates | 47.34713, 8.72091 |
| Elevation | 469 m |
| Timezone | Europe/Zurich |
| Population | 34,715 |
| Observed at (local) | 3:00 PM |
| Temperature (2 m) | 33°C |
| Apparent temperature | 36°C |
| Relative humidity (2 m) | 30% |
| Dew point (2 m) | 13°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 0% |
| Surface pressure | 972 hPa |
| Sea-level pressure | 1024 hPa |
| Wind speed (10 m) | 2 km/h |
| Wind gusts (10 m) | 8 km/h |
| Wind direction (10 m) | 309° (NW) |
| Visibility | 47.8 km |
| UV index | 6.1 |
| Day / night | Day |
| Today max / min | 34°C / 18°C |
| Today feels-like max / min | 36°C / 18°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 | 16 km/h / 32 km/h |
| Dominant wind direction | 52° (NE) |
| Sunrise / sunset | 5:28 AM / 9:25 PM |
| Daylight duration | 15h 57m |
| Sunshine duration | 12h 06m |
| Max UV index | 6.75 |
| Reference evapotranspiration (ET₀) | 5.75 mm |
| Topsoil moisture (0–1 cm) | 0.209 m³/m³ |
| Surface soil temperature | 19°C |
| US AQI | 37 |
| European AQI | 38 |
| PM2.5 | 8.6 µg/m³ |
| PM10 | 14.2 µg/m³ |
| Ozone (O₃) | 96 µg/m³ |
| Nitrogen dioxide (NO₂) | 0.8 µg/m³ |
| Sulphur dioxide (SO₂) | 0.2 µg/m³ |
| Carbon monoxide (CO) | 121 µg/m³ |
| Dust | 8 µg/m³ |
| Alder pollen | 0 gr/m³ |
| Birch pollen | 0.1 gr/m³ |
| Grass pollen | 50.9 gr/m³ |
| Mugwort pollen | 0 gr/m³ |
| Olive pollen | 0.2 gr/m³ |
| Ragweed pollen | 0 gr/m³ |
Weather widget
Preview widget →Add live Uster weather to your own site — paste this snippet anywhere HTML is allowed. It stays in sync automatically.
<iframe src="https://weathertomorrow.cloud/embed/city/ch/zurich/uster" width="320" height="180" frameborder="0" title="Uster weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Uster tomorrow?
Rain is unlikely in Uster tomorrow; the precipitation chance stays around 3%.
What is the temperature in Uster today?
Today Uster sees overcast with a high of 34 °C and a low of 18 °C.
How hot will it be in Uster tomorrow?
Tomorrow's high in Uster is forecast at 34 °C with overcast.
Is it windy in Uster today?
No, not especially; gusts only reach up to 32 km/h today.
What is the UV index in Uster today?
The UV index peaks at 7 today, which is high.
What time is sunrise and sunset in Uster today?
The sun rises at 05:28 and sets at 21:25 local time.
Is the air quality in Uster good today?
Air quality is good right now, with a US AQI reading of 37.