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Weather in Bydgoszcz - 14-day forecast

Detailed weather forecast for Bydgoszcz, Poland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Bydgoszcz
today🌧️ 23°💧 3.5 mm
Sun🌧️ 17°💧 0.2 mm
Mon☁️ 18°💧 1.8 mm
Tue🌧️ 21°💧 0.1 mm
Wed🌧️ 20°💧 1.7 mm
Thu☁️ 17°💧 2.5 mm
Fri🌧️ 18°💧 2.4 mm
Sat🌧️ 13°💧 5.6 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 Bydgoszcz, the forecast high is 17°C. Typical daytime temperatures at this time of year range from 18°C to 25°C, so it will be cooler than usual. It is cooler than 82% of similar days.

23°Cnear normal
usually 18°C–25°C
night: warmer than usual rain: more rain than usual wind: stronger than usual
17°Ccooler than usual
usually 18°C–25°C
cooler than 82% of similar days
night: near normal rain: typical rainfall wind: stronger than usual
18°Ccooler than usual
usually 18°C–24°C
cooler than 78% of similar days
night: warmer than usual rain: typical rainfall wind: exceptionally light
21°Cnear normal
usually 17°C–24°C
night: exceptionally warm rain: typical rainfall wind: lighter than usual
20°Cnear normal
usually 17°C–24°C
night: exceptionally warm rain: typical rainfall wind: lighter than usual
17°Ccooler than usual
usually 17°C–24°C
cooler than 78% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
18°Ccooler than usual
usually 17°C–24°C
cooler than 71% of similar days
night: exceptionally warm rain: more rain than usual wind: typical

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 →
10°20°30° 1981: 21°C1982: 23°C1983: 19°C1984: 17°C1985: 14°C1986: 16°C1987: 19°C1988: 20°C1989: 23°C1990: 17°C1991: 18°C1992: 18°C1993: 18°C1994: 20°C1995: 20°C1996: 15°C1997: 19°C1998: 24°C1999: 26°C2000: 19°C2001: 16°C2002: 25°C2003: 21°C2004: 23°C2005: 28°C2006: 21°C2007: 18°C2008: 23°C2009: 22°C2010: 17°C2011: 22°C2012: 22°C2013: 21°C2014: 23°C2015: 18°C2016: 26°C2017: 19°C2018: 24°C2019: 21°C2020: 21°C2021: 23°C2022: 21°C2023: 28°C2024: 26°C2025: 24°C 2026 forecast: 19°C current forecast 19°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 21°C by day. The coolest year was 1985 (14°C) and the warmest was 2005 (28°C). The current forecast averages 19°C - lower than in 62% of historical years.

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.

14-day forecast - Bydgoszcz

Bydgoszcz - 14-day weather forecast infographic

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

Next 16 days · forecast
19°
around 15° at night · days with rain: 9
Weeks 3-4 · avg for September
20°
around 9° at night · rain chance 43%
Weeks 5-7 · avg for October
13°
around 5° at night · rain chance 49%
The 30 & 45-day outlook for Bydgoszcz: the next 16 days are a numerical forecast updated daily - on average 19° by day and 15° at night. Further out we rely on multi-year climate averages: around 20° in September, and about 13° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Bydgoszcz

Saturday5 September 2026
🌧️23°light rain
sunrise 06:04 · sunset 19:29 · night 13° · evening 16° · rain 3.45 mm · humidity 52% · wind 9 m/s · clouds 74%
Sunday6 September 2026
🌧️17°light rain
sunrise 06:05 · sunset 19:26 · night 12° · evening 17° · rain 0.22 mm · humidity 61% · wind 8 m/s · clouds 93%
Monday7 September 2026
☁️18°overcast clouds
sunrise 06:07 · sunset 19:24 · night 13° · evening 19° · rain 1.77 mm · humidity 55% · wind 3 m/s · clouds 100%
Tuesday8 September 2026
🌧️21°light rain
sunrise 06:09 · sunset 19:22 · night 18° · evening 25° · rain 0.12 mm · humidity 47% · wind 5 m/s · clouds 100%
Wednesday9 September 2026
🌧️20°light rain
sunrise 06:11 · sunset 19:19 · night 17° · evening 20° · rain 1.7 mm · humidity 64% · wind 4 m/s · clouds 100%
Thursday10 September 2026
☁️17°overcast clouds
sunrise 06:12 · sunset 19:17 · night 15° · evening 20° · rain 2.46 mm · humidity 53% · wind 6 m/s · clouds 99%
Friday11 September 2026
🌧️18°light rain
sunrise 06:14 · sunset 19:14 · night 14° · evening 17° · rain 2.43 mm · humidity 51% · wind 7 m/s · clouds 100%
Saturday12 September 2026
🌧️13°moderate rain
sunrise 06:16 · sunset 19:12 · night 13° · evening 16° · rain 5.64 mm · humidity 81% · wind 7 m/s · clouds 100%
Sunday13 September 2026
🌧️13°light rain
sunrise 06:17 · sunset 19:09 · night 13° · evening 16° · rain 4.29 mm · humidity 87% · wind 7 m/s · clouds 99%
Monday14 September 2026
☁️16°overcast clouds
sunrise 06:19 · sunset 19:07 · night 12° · evening 18° · rain 1.86 mm · humidity 64% · wind 5 m/s · clouds 93%
Tuesday15 September 2026
☁️17°broken clouds
sunrise 06:21 · sunset 19:05 · night 13° · evening 20° · rain 0.24 mm · humidity 60% · wind 4 m/s · clouds 63%
Wednesday16 September 2026
🌧️22°light rain
sunrise 06:23 · sunset 19:02 · night 20° · evening 26° · rain 0.51 mm · humidity 46% · wind 4 m/s · clouds 34%
Thursday17 September 2026
🌧️20°moderate rain
sunrise 06:24 · sunset 19:00 · night 17° · evening 21° · rain 4.38 mm · humidity 68% · wind 6 m/s · clouds 83%
Friday18 September 2026
☁️22°broken clouds
sunrise 06:26 · sunset 18:57 · night 18° · evening 24° · rain 0.27 mm · humidity 52% · wind 3 m/s · clouds 70%
Saturday19 September 2026
🌤️23°a few clouds
sunrise 06:28 · sunset 18:55 · night 17° · evening 25° · humidity 50% · wind 4 m/s · clouds 22%
Sunday20 September 2026
☀️23°clear sky
sunrise 06:29 · sunset 18:53 · night 19° · evening 25° · humidity 46% · wind 5 m/s · clouds 4%

UV index in Bydgoszcz - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTBydgoszcz03681111+4.7UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 45 min5Sat5.094Sun6.094Mon7.094Tue8.093Wed9.094Thu10.093Fri11.092Sat12.091Sun13.093Mon14.094Tue15.091Wed16.090Thu17.092Fri18.094Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Bydgoszcz is 5 (moderate) - unprotected fair skin can burn in about 45 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Pollen in Bydgoszcz - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTBydgoszczHighest pollen today: Ragweed1 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses-11-Ragweed1-2-nonelowmoderatehighvery highoff season: alder, birch, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in Bydgoszcz - about 1 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Air quality and smog in Bydgoszcz

Air quality in Bydgoszcz is currently very good. Fine particulate PM2.5: 2.1 µg/m³, PM10: 3.9 µg/m³.
CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
Bydgoszcz2.13.9very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 03:00).

Bydgoszcz weather through the year

Bydgoszcz - annual climate

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

Upcoming public holidays in Poland: All Saints' Day — 1 November · Independence Day — 11 November · Christmas Eve — 24 December.

Nearby and related places

PoznanGdanskLodzWarsawSzczecinWroclawCracowCzestochowa

FAQ - Bydgoszcz weather

What is the weather like in Bydgoszcz today?
Today it is about 23° during the day and 13° at night, light rain.
How far ahead can I check the forecast for Bydgoszcz?
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.