14 day weather forecast

Viseu weather October 2026 — 14 day forecast · Portugal

16°

mainly clear · feels like 18°

Updated at 21:30
  • Live from Open-Meteo
  • Refreshed several times a day
  • 14 days ahead
  • No tracking · free
Warmest day
Wednesday 14 Oct
29°C
highest maximum
Wettest day
Tuesday 20 Oct
1.2 mm
14% chance
Most sunshine
Wednesday 14 Oct
10.8 hours
of sunshine
Trend
14 days
Cooler
From ~25° to ~19°

The next 14 days

swipe →
Avg max, 3 days
24°C
Coldest night
7°C
Most sunshine
10.8 h
Wind from
the east

Overview table · October 2026

Viseu 14 day forecast, day by day

The table below shows the full 14 day weather forecast for Viseu (Portugal): 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 Viseu averages around 22°C and the minimum around 11°C, with roughly 1 mm of rain in total, 13 dry days and about 144 hours of sunshine.

14 day weather forecast for Viseu (Portugal) per day: temperature, rainfall, chance of rain, humidity, sunshine hours and UV index. Updated in October 2026.
DayWeatherMaxMinRainChanceHumiditySunUV
SundayCloudy21°C13°C0 mm3%82%8.4 h5moderate
MondayCloudy25°C12°C0 mm3%85%9.9 h5moderate
TuesdayCloudy26°C13°C0 mm4%82%9.5 h5moderate
WednesdayCloudy29°C14°C0 mm0%64%10.8 h5moderate
ThursdayMostly sunny28°C14°C0 mm14%70%10.8 h5moderate
FridayCloudy24°C12°C0 mm20%65%10.3 h4moderate
SaturdayCloudy19°C12°C0 mm8%50%10.7 h4moderate
SundayMostly sunny20°C10°C0 mm14%43%10.7 h4moderate
MondayCloudy16°C7°C0 mm25%49%10.7 h4moderate
TuesdayLight rain21°C12°C1.2 mm14%70%10.5 h1low
WednesdaySunny22°C10°C0 mm29%73%10.6 h2low
ThursdayCloudy21°C9°C0 mm25%66%10.6 h3moderate
FridaySunny18°C9°C0 mm25%51%10.6 h4moderate
SaturdayCloudy18°C9°C0 mm24%55%10.2 h4moderate

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

Current conditions and the 14 day forecast

Viseu lies in Portugal, an area with a Mediterranean climate: hot, near rainless summers, mild winters, and most of the year's rain arriving between autumn and spring. 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 Viseu right now?

It is currently 16°C in Viseu with mainly clear. It feels like 18°C, humidity is 93% and the wind is NW 4 km/h.

Today (Sunday) reaches a maximum of 21°C and a minimum of 13°C, with 0 mm of rain and 8.4 hours of sunshine. Sunrise is at 07:38 and sunset at 18:57.

Viseu weather tomorrow

Tomorrow (Monday) the maximum temperature in Viseu is 25°C and the minimum 12°C. Around 0 mm of rain is expected with 9.9 hours of sunshine, and the chance of rain is 3%. The data is refreshed several times a day through Open-Meteo.

Viseu weather this week and next week

Over the coming week the average maximum temperature in Viseu sits around 25°C and the average minimum around 13°C. Roughly 0 mm of rain is expected, spread across 0 days, with 1 largely sunny day.

The warmest day in the 14 day forecast for Viseu is Wednesday 14 Oct at 29°C. The coldest night falls on Monday 19 Oct at 7°C. Click any day for hourly detail.

Rain, sunshine and UV in Viseu

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 Viseu is 5, 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 Viseu last updated: 11 October 2026 at 21:30. See also all Portugal forecasts and the European weather map.

Frequently asked questions

Questions about the weather in Viseu

What is the weather like in Viseu in October 2026?

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

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

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

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

Can I see the weather in Viseu hour by hour?

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

The data for Viseu (Portugal) 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 Viseu 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 Viseu weather forecast free?

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