14 day weather forecast

Trnava weather August 2026 — 14 day forecast · Slovakia

25°

mainly clear · feels like 24°

Updated at
  • Live from Open-Meteo
  • Refreshed several times a day
  • 14 days ahead
  • No tracking · free
Warmest day
Tuesday 8 Sept
37°C
highest maximum
Wettest day
Thursday 3 Sept
4.8 mm
17% chance
Most sunshine
Sunday 6 Sept
12.7 hours
of sunshine
Trend
14 days
Warmer
From ~27° to ~33°

The next 14 days

swipe →
Avg max, 3 days
28.0°C
Coldest night
14°C
Most sunshine
12.7 h
Wind from
the north

Overview table · August 2026

Trnava 14 day forecast, day by day

The table below shows the full 14 day weather forecast for Trnava (Slovakia): the maximum and minimum temperature, rainfall in millimetres, the chance of rain, humidity, hours of sunshine and the UV index per day. Across the next two weeks the maximum temperature in Trnava averages around 30°C and the minimum around 18°C, with roughly 7 mm of rain in total, 12 dry days and about 162 hours of sunshine.

Last updated:

14 day weather forecast for Trnava (Slovakia) per day: temperature, rainfall, chance of rain, humidity, sunshine hours and UV index. Updated in August 2026.
DayWeatherMaxMinRainChanceHumiditySunUV
Saturday29 AugThunder27°C19°C2.2 mm53%53%11.8 h5moderate
Sunday30 AugCloudy30°C15°C0 mm3%60%12.1 h6high
Monday31 AugCloudy27°C17°C0.2 mm25%65%10.4 h6high
Tuesday1 SeptCloudy26°C17°C0 mm16%56%11.7 h6high
Wednesday2 SeptCloudy27°C16°C0 mm3%51%12.6 h5moderate
Thursday3 SeptShowers25°C16°C4.8 mm17%58%4 h5moderate
Friday4 SeptCloudy24°C16°C0 mm25%63%12.1 h3moderate
Saturday5 SeptMostly sunny34°C14°C0 mm21%51%12.1 h5moderate
Sunday6 SeptCloudy36°C23°C0 mm12%40%12.7 h5moderate
Monday7 SeptCloudy29°C20°C0 mm12%56%12.5 h6high
Tuesday8 SeptMostly sunny37°C21°C0 mm13%41%12.5 h5moderate
Wednesday9 SeptMostly sunny28°C21°C0 mm12%38%12.4 h4moderate
Thursday10 SeptSunny33°C19°C0 mm12%30%12.4 h4moderate
Friday11 SeptMostly sunny33°C23°C0 mm13%37%12.3 h5moderate

The first three to five days of the forecast for Trnava are the most reliable; from day seven onwards it is an indicative trend. Click a day in the overview above for hourly detail. Source: Open-Meteo (Met Office, DWD, ECMWF).

Background & outlook

The weather in Trnava

Current conditions and the 14 day forecast

Trnava lies in Slovakia, an area with a continental climate: cold winters with frost and snow, warm summers, and thunderstorms that build through a hot afternoon. That is exactly why a two-week outlook is useful here — it shows the pattern rather than one snapshot.

What is the weather like in Trnava right now?

It is currently 25°C in Trnava with mainly clear. It feels like 24°C, humidity is 46% and the wind is NW 12 km/h.

Today (Saturday) reaches a maximum of 27°C and a minimum of 19°C, with 2.2 mm of rain and 11.8 hours of sunshine. Sunrise is at 06:03 and sunset at 19:38.

Trnava weather tomorrow

Tomorrow (Sunday) the maximum temperature in Trnava is 30°C and the minimum 15°C. Around 0 mm of rain is expected with 12.1 hours of sunshine, and the chance of rain is 3%. The data is refreshed several times a day through Open-Meteo.

Trnava weather this week and next week

Over the coming week the average maximum temperature in Trnava sits around 27°C and the average minimum around 17°C. Roughly 7.2 mm of rain is expected, spread across 2 days, with 0 largely sunny days.

The warmest day in the 14 day forecast for Trnava is Tuesday 8 Sept at 37°C. The coldest night falls on Saturday 5 Sept at 14°C. Click any day for hourly detail.

Rain, sunshine and UV in Trnava

A daily rainfall total says little on its own: the same 5 mm can be one short downpour or a grey day of drizzle, which is why the hourly chart above is often the more useful of the two. Over the next fortnight the highest UV index for Trnava is 6 — high enough to warrant sun protection in the middle of the day.

How reliable is a 14 day forecast?

The first three to five days are generally very accurate. After that the certainty drops off and it is better read as a trend than as an exact daily prediction. Our data comes from Open-Meteo, which combines national weather models — among them the Met Office, DWD and ECMWF — and recomputes them several times a day using measurements from stations worldwide.

Forecast for Trnava last updated: 29 August 2026 at 14:25. See also all Slovakia forecasts and the European weather map.

Frequently asked questions

Questions about the weather in Trnava

What is the weather like in Trnava in August 2026?

The forecast at the top of this page shows the current temperature in Trnava plus the maximum and minimum for each of the next 14 days, with rainfall, chance of rain, sunshine hours and UV index. It is refreshed several times a day.

How accurate is the 14 day forecast for Trnava?

The first three to five days for Trnava are highly reliable. From day six onwards, read the forecast as a trend: it shows whether it turns warmer, cooler, wetter or drier rather than an exact value for that day.

Will it rain in Trnava this week?

The rainfall chart on this page gives the expected millimetres per day for Trnava, and each day card shows the chance of rain as a percentage. Below 20% with several hours of sunshine is a genuinely dry day.

How warm does it get in Trnava over the next two weeks?

The temperature chart shows the maximum and minimum for every one of the next 14 days in Trnava. The overview table underneath repeats the same figures day by day, together with the average across the fortnight.

Can I see the weather in Trnava hour by hour?

Yes. The hourly chart covers the next 48 hours in Trnava with temperature, feels-like temperature and chance of rain. Clicking any of the 14 days opens a panel with night, morning, afternoon and evening detail.

Where does the Trnava forecast come from?

The data for Trnava (Slovakia, Slovakia) comes from Open-Meteo, which combines national weather models such as those of the Met Office, DWD, Météo-France and ECMWF and recomputes them several times a day.

What does the UV index for Trnava mean?

The UV index runs from 0 to 11+. Up to 2 is low, 3 to 5 moderate, 6 to 7 high and 8 or more very high. From 6 upwards it is worth using sun protection in the middle of the day, even when it does not feel especially hot.

Is the Trnava weather forecast free?

Yes. The full 14 day forecast for Trnava is free, needs no account and carries no adverts inside the charts.