Today's Weather Forecast - Brno

Today's weather in Brno. high 15°C (59°F), low 12°C (54°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon13°
Wind speed
11 km/h
Rain probability
98%
AfternoonNoon – 6 PM13°
Wind speed
12 km/h
Rain probability
85%
Evening6 PM – Midn14°
Wind speed
4 km/h
Rain probability
0%
NightMidn – 6 AM13°
Wind speed
8 km/h
Rain probability
100%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:53 AM
Total Daylight
86% of day elapsedSolar noon 12:49 PM
Sunset
Dusk 7:45 PM
Remaining1h 49m
Solar elevation17°
vs yesterday-6 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: O3
Monitoring station
Brno - Detska nemocnice, Jihomoravsky, Czech Republic
PM2.5
15μg/m³
PM10
13μg/m³
O₃
17.8ppb
NO₂
6ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Brno is forecast to reach a high of 15°C today, with an overnight low around 12°C. That's 7° below the long-term average high of 22°C for this time of year. Expect a high chance of rain (100% probability) and a gentle breeze averaging 12 km/h. Air quality is currently good (AQI 28), with no notable outdoor health concerns.

Today vs Normal

15°C-7° below normal

The long-term average high for today is 22°C.

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

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-28: 31°C31°2026-08-29: 28°C28°2026-08-30: 30°C30°2026-08-31: 29°C29°2026-09-01: 26°C26°2026-09-02: 27°C27°2026-09-03: 27°C27°2026-09-04: 30°C30°2026-09-05: 25°C25°2026-09-06: 24°C24°2026-09-07: 24°C24°2026-09-08: 31°C31°

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.