14 day weather forecast

Viljandi weather August 2026 — 14 day forecast · Estonia

22°

cloudy · feels like 20°

Updated at
  • Live from Open-Meteo
  • Refreshed several times a day
  • 14 days ahead
  • No tracking · free
Warmest day
Saturday 29 Aug
22°C
highest maximum
Wettest day
Tuesday 8 Sept
20 mm
55% chance
Most sunshine
Saturday 5 Sept
13 hours
of sunshine
Trend
14 days
Cooler
From ~20° to ~15°

The next 14 days

swipe →
Avg max, 3 days
20.3°C
Coldest night
6°C
Most sunshine
13.0 h
Wind from
the south

Overview table · August 2026

Viljandi 14 day forecast, day by day

The table below shows the full 14 day weather forecast for Viljandi (Estonia): 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 Viljandi averages around 17°C and the minimum around 11°C, with roughly 84 mm of rain in total, 2 dry days and about 125 hours of sunshine.

Last updated:

14 day weather forecast for Viljandi (Estonia) per day: temperature, rainfall, chance of rain, humidity, sunshine hours and UV index. Updated in August 2026.
DayWeatherMaxMinRainChanceHumiditySunUV
Saturday29 AugCloudy22°C14°C0 mm15%68%7.8 h4moderate
Sunday30 AugLight rain19°C16°C5.3 mm100%91%0.1 h4moderate
Monday31 AugLight rain20°C16°C1.5 mm88%90%2.5 h4moderate
Tuesday1 SeptLight rain21°C13°C0.7 mm83%86%10.9 h4moderate
Wednesday2 SeptLight rain19°C13°C2.7 mm79%91%10.6 h4moderate
Thursday3 SeptLight rain18°C12°C2.7 mm78%79%12.4 h4moderate
Friday4 SeptShowers18°C11°C12.3 mm72%77%11.1 h4moderate
Saturday5 SeptLight rain17°C11°C6.6 mm69%83%13 h4moderate
Sunday6 SeptLight rain16°C11°C3.8 mm69%91%12.8 h3moderate
Monday7 SeptLight rain14°C10°C7.6 mm55%94%12.9 h3moderate
Tuesday8 SeptShowers15°C9°C20 mm55%85%11 h3moderate
Wednesday9 SeptShowers15°C9°C13 mm39%84%5.4 h2low
Thursday10 SeptLight rain12°C8°C1.8 mm51%87%12.8 h2low
Friday11 SeptLight rain15°C6°C6 mm42%90%2.1 h3moderate

The first three to five days of the forecast for Viljandi 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 Viljandi

Current conditions and the 14 day forecast

Viljandi lies in Estonia, 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 Viljandi right now?

It is currently 22°C in Viljandi with cloudy. It feels like 20°C, humidity is 55% and the wind is SE 21 km/h.

Today (Saturday) reaches a maximum of 22°C and a minimum of 14°C, with 0 mm of rain and 7.8 hours of sunshine. Sunrise is at 06:10 and sunset at 20:26.

Viljandi weather tomorrow

Tomorrow (Sunday) the maximum temperature in Viljandi is 19°C and the minimum 16°C. Around 5.3 mm of rain is expected with 0.1 hours of sunshine, and the chance of rain is 100%. The data is refreshed several times a day through Open-Meteo.

Viljandi weather this week and next week

Over the coming week the average maximum temperature in Viljandi sits around 20°C and the average minimum around 14°C. Roughly 25.2 mm of rain is expected, spread across 5 days, with 0 largely sunny days.

The warmest day in the 14 day forecast for Viljandi is Saturday 29 Aug at 22°C. The coldest night falls on Friday 11 Sept at 6°C. Click any day for hourly detail.

Rain, sunshine and UV in Viljandi

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 Viljandi is 4, which is low to moderate.

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 Viljandi last updated: 29 August 2026 at 15:02. See also all Estonia forecasts and the European weather map.

Frequently asked questions

Questions about the weather in Viljandi

What is the weather like in Viljandi in August 2026?

The forecast at the top of this page shows the current temperature in Viljandi 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 Viljandi?

The first three to five days for Viljandi 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 Viljandi this week?

The rainfall chart on this page gives the expected millimetres per day for Viljandi, 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 Viljandi over the next two weeks?

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

Can I see the weather in Viljandi hour by hour?

Yes. The hourly chart covers the next 48 hours in Viljandi 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 Viljandi forecast come from?

The data for Viljandi (Estonia, Estonia) 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 Viljandi 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 Viljandi weather forecast free?

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