14 day weather forecast

Oulu weather August 2026 — 14 day forecast · Finland

20°

cloudy · feels like 18°

Updated at
  • Live from Open-Meteo
  • Refreshed several times a day
  • 14 days ahead
  • No tracking · free
Warmest day
Saturday 29 Aug
20°C
highest maximum
Wettest day
Tuesday 1 Sept
10.4 mm
83% chance
Most sunshine
Sunday 6 Sept
13.4 hours
of sunshine
Trend
14 days
Cooler
From ~17° to ~12°

The next 14 days

swipe →
Avg max, 3 days
18.0°C
Coldest night
5°C
Most sunshine
13.4 h
Wind from
the south

Overview table · August 2026

Oulu 14 day forecast, day by day

The table below shows the full 14 day weather forecast for Oulu (Finland): 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 Oulu averages around 15°C and the minimum around 10°C, with roughly 51 mm of rain in total, 6 dry days and about 118 hours of sunshine.

Last updated:

14 day weather forecast for Oulu (Finland) per day: temperature, rainfall, chance of rain, humidity, sunshine hours and UV index. Updated in August 2026.
DayWeatherMaxMinRainChanceHumiditySunUV
Saturday29 AugCloudy20°C11°C0 mm12%73%5.7 h3moderate
Sunday30 AugLight rain16°C15°C1.9 mm82%86%0 h1low
Monday31 AugShowers18°C15°C9.9 mm75%92%0.3 h2low
Tuesday1 SeptShowers18°C14°C10.4 mm83%94%6.6 h3moderate
Wednesday2 SeptLight rain17°C12°C0.9 mm39%89%11.8 h3moderate
Thursday3 SeptShowers16°C10°C6.3 mm47%87%5.8 h3moderate
Friday4 SeptLight rain13°C8°C2.4 mm43%85%12.9 h2low
Saturday5 SeptLight rain14°C7°C2.4 mm41%88%12.5 h2low
Sunday6 SeptLight rain14°C8°C0.8 mm41%85%13.4 h2low
Monday7 SeptLight rain12°C9°C7.6 mm49%80%12 h3moderate
Tuesday8 SeptLight rain12°C7°C7.8 mm41%85%13 h0low
Wednesday9 SeptLight rain12°C5°C0.6 mm26%78%13 h1low
Thursday10 SeptCloudy11°C9°C0 mm33%59%9.4 h1low
Friday11 SeptCloudy11°C8°C0 mm33%67%1.3 h3moderate

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

Current conditions and the 14 day forecast

Oulu lies in Finland, an area with a subarctic climate: long, cold winters with lying snow and the northern lights, and a short, cool summer that barely gets dark. 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 Oulu right now?

It is currently 20°C in Oulu with cloudy. It feels like 18°C, humidity is 64% and the wind is SE 21 km/h.

Today (Saturday) reaches a maximum of 20°C and a minimum of 11°C, with 0 mm of rain and 5.7 hours of sunshine. Sunrise is at 05:48 and sunset at 20:49.

Oulu weather tomorrow

Tomorrow (Sunday) the maximum temperature in Oulu is 16°C and the minimum 15°C. Around 1.9 mm of rain is expected with 0 hours of sunshine, and the chance of rain is 82%. The data is refreshed several times a day through Open-Meteo.

Oulu weather this week and next week

Over the coming week the average maximum temperature in Oulu sits around 17°C and the average minimum around 12°C. Roughly 31.8 mm of rain is expected, spread across 5 days, with 0 largely sunny days.

The warmest day in the 14 day forecast for Oulu is Saturday 29 Aug at 20°C. The coldest night falls on Wednesday 9 Sept at 5°C. Click any day for hourly detail.

Rain, sunshine and UV in Oulu

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 Oulu is 3, 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 Oulu last updated: 29 August 2026 at 14:25. See also all Finland forecasts and the European weather map.

Frequently asked questions

Questions about the weather in Oulu

What is the weather like in Oulu in August 2026?

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

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

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

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

Can I see the weather in Oulu hour by hour?

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

The data for Oulu (Finland, Finland) 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 Oulu 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 Oulu weather forecast free?

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