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Weather in Pori - 14-day forecast

Detailed weather forecast for Pori, Finland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Pori
today🌤️ 16°💧 0.5 mm
Sun🌤️ 14°💧 0.1 mm
Mon☁️ 16°💧 0.9 mm
Tue🌧️ 16°💧 9.3 mm
Wed🌧️ 16°💧 7.4 mm
Thu🌧️ 14°💧 5 mm
Fri🌧️ 14°💧 1 mm
Sat🌧️ 16°💧 1.3 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Sunday 6 Sept in Pori, the forecast high is 14°C. Typical daytime temperatures at this time of year range from 14°C to 18°C, so it will be cooler than usual. It is cooler than 79% of similar days.

16°Cnear normal
usually 14°C–18°C
night: near normal rain: typical rainfall wind: exceptionally strong
14°Ccooler than usual
usually 14°C–18°C
cooler than 79% of similar days
night: cooler than usual rain: typical rainfall wind: exceptionally strong
16°Cnear normal
usually 14°C–18°C
night: exceptionally warm rain: typical rainfall wind: stronger than usual
16°Cnear normal
usually 13°C–18°C
night: exceptionally warm rain: exceptionally wet wind: exceptionally strong
16°Cnear normal
usually 13°C–18°C
night: warmer than usual rain: exceptionally wet wind: stronger than usual
14°Cnear normal
usually 13°C–18°C
night: warmer than usual rain: more rain than usual wind: exceptionally strong
14°Cnear normal
usually 13°C–17°C
night: warmer than usual rain: typical rainfall wind: stronger than usual

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
5°15°25° 1981: 15°C1982: 13°C1983: 14°C1984: 14°C1985: 15°C1986: 11°C1987: 14°C1988: 17°C1989: 14°C1990: 14°C1991: 11°C1992: 14°C1993: 12°C1994: 14°C1995: 16°C1996: 12°C1997: 16°C1998: 17°C1999: 19°C2000: 13°C2001: 15°C2002: 19°C2003: 18°C2004: 15°C2005: 16°C2006: 16°C2007: 14°C2008: 14°C2009: 17°C2010: 16°C2011: 17°C2012: 14°C2013: 18°C2014: 19°C2015: 16°C2016: 17°C2017: 15°C2018: 20°C2019: 17°C2020: 15°C2021: 15°C2022: 14°C2023: 19°C2024: 22°C2025: 21°C 2026 forecast: 15°C current forecast 15°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 16°C by day. The coolest year was 1986 (11°C) and the warmest was 2024 (22°C). The current forecast averages 15°C - close to the historical median.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

Weather warnings - Pori

No active weather warnings for Pori (region: Satakunta). The national weather service is not forecasting dangerous conditions.

14-day forecast - Pori

Pori - 14-day weather forecast infographic

Pori 30 & 45-day weather - long-range outlook

Next 16 days · forecast
15°
around 12° at night · days with rain: 7
Weeks 3-4 · avg for September
16°
around 8° at night · rain chance 51%
Weeks 5-7 · avg for October
9°
around 2° at night · rain chance 55%
The 30 & 45-day outlook for Pori: the next 16 days are a numerical forecast updated daily - on average 15° by day and 12° at night. Further out we rely on multi-year climate averages: around 16° in September, and about 9° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Pori

Saturday5 September 2026
🌤️16°scattered clouds
sunrise 06:33 · sunset 20:29 · night 10° · evening 14° · rain 0.45 mm · humidity 60% · wind 6 m/s · clouds 31%
Sunday6 September 2026
🌤️14°scattered clouds
sunrise 06:35 · sunset 20:26 · night 8° · evening 13° · rain 0.13 mm · humidity 57% · wind 7 m/s · clouds 49%
Monday7 September 2026
☁️16°broken clouds
sunrise 06:38 · sunset 20:23 · night 13° · evening 16° · rain 0.93 mm · humidity 56% · wind 5 m/s · clouds 68%
Tuesday8 September 2026
🌧️16°moderate rain
sunrise 06:40 · sunset 20:20 · night 15° · evening 15° · rain 9.27 mm · humidity 80% · wind 7 m/s · clouds 100%
Wednesday9 September 2026
🌧️16°moderate rain
sunrise 06:43 · sunset 20:16 · night 12° · evening 16° · rain 7.37 mm · humidity 71% · wind 5 m/s · clouds 9%
Thursday10 September 2026
🌧️14°light rain
sunrise 06:45 · sunset 20:13 · night 12° · evening 14° · rain 4.98 mm · humidity 82% · wind 6 m/s · clouds 100%
Friday11 September 2026
🌧️14°light rain
sunrise 06:48 · sunset 20:10 · night 11° · evening 14° · rain 0.99 mm · humidity 67% · wind 5 m/s · clouds 68%
Saturday12 September 2026
🌧️16°light rain
sunrise 06:50 · sunset 20:07 · night 12° · evening 16° · rain 1.26 mm · humidity 66% · wind 4 m/s · clouds 99%
Sunday13 September 2026
🌧️14°light rain
sunrise 06:53 · sunset 20:04 · night 12° · evening 13° · rain 1.41 mm · humidity 83% · wind 5 m/s · clouds 100%
Monday14 September 2026
🌧️11°light rain
sunrise 06:55 · sunset 20:00 · night 9° · evening 10° · rain 0.3 mm · humidity 51% · wind 7 m/s · clouds 36%
Tuesday15 September 2026
🌧️13°light rain
sunrise 06:58 · sunset 19:57 · night 11° · evening 13° · rain 0.6 mm · humidity 66% · wind 7 m/s · clouds 99%
Wednesday16 September 2026
🌧️14°light rain
sunrise 07:00 · sunset 19:54 · night 13° · evening 15° · rain 0.63 mm · humidity 79% · wind 5 m/s · clouds 91%
Thursday17 September 2026
🌧️12°light rain
sunrise 07:03 · sunset 19:51 · night 12° · evening 14° · rain 1.11 mm · humidity 97% · wind 3 m/s · clouds 100%
Friday18 September 2026
🌧️16°moderate rain
sunrise 07:05 · sunset 19:47 · night 14° · evening 14° · rain 4.98 mm · humidity 88% · wind 4 m/s · clouds 86%
Saturday19 September 2026
🌤️18°scattered clouds
sunrise 07:08 · sunset 19:44 · night 15° · evening 17° · humidity 70% · wind 6 m/s · clouds 29%
Sunday20 September 2026
🌤️19°a few clouds
sunrise 07:10 · sunset 19:41 · night 16° · evening 18° · humidity 67% · wind 6 m/s · clouds 13%

UV index in Pori - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTPori03681111+3.4UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 60 min3Sat5.094Sun6.094Mon7.091Tue8.094Wed9.093Thu10.093Fri11.092Sat12.093Sun13.091Mon14.093Tue15.092Wed16.093Thu17.093Fri18.093Sat19.093Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Pori is 3 (moderate) - unprotected fair skin can burn in about 60 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Sea temperature - Pori

Water today
17°C
Week avg
16°C
Waves today
0.2 m
How's the water?
cold
16-day sea temperature forecast:
5.09 17°C6.09 17°C7.09 16°C8.09 16°C9.09 16°C10.09 16°C11.09 15°C12.09 15°C13.09 15°C
Average sea temperature through the year:
Jan 0°CFeb 0°CMar 1°CApr 4°CMay 10°CJun 17°CJul 21°CAug 20°CSep 17°COct 10°CNov 4°CDec 1°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Pori weather through the year

Pori - annual climate

Warmest, driest months on average: May, June, July, August.

Upcoming public holidays in Finland: All Saints' Day — 31 October · Independence Day — 6 December · Christmas Eve — 24 December.

Nearby and related places

TampereTurkuMariehamnRovaniemiOuluLahtiJyväskylä

FAQ - Pori weather

What is the weather like in Pori today?
Today it is about 16° during the day and 10° at night, scattered clouds.
How far ahead can I check the forecast for Pori?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.