Detailed weather forecast for Bologna, Italy: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Bologna
today🌤️32°💧 2.1 mm
Sun☀️31°💧 1.6 mm
Mon🌧️32°💧 1.1 mm
Tue🌧️33°💧 2.5 mm
Wed🌧️31°💧 3.4 mm
Thu🌧️26°💧 11.2 mm
Fri🌧️25°💧 1.2 mm
Sat🌤️28°💧 4 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
Tuesday 8 Sept in Bologna, the forecast high is 33°C. Typical daytime temperatures at this time of year range from 25°C to 31°C, so it will be exceptionally warm. It is warmer than 92% of similar days.
32°Cwarmer than usual
usually 25°C–31°C
warmer than 82% of similar days
night: exceptionally warmrain: more rain than usualwind: lighter than usual
31°Cwarmer than usual
usually 25°C–31°C
warmer than 80% of similar days
night: exceptionally warmrain: more rain than usualwind: stronger than usual
From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 1989 (22°C) and the warmest was 2008 (33°C). The current forecast averages 30°C - higher than in 84% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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.
Weather warnings - Bologna
Heatyellow level
from 5 Sept, 11:00 to 7 Sept, 19:59
Areas: Emilia e Romagna
High temperatures and risk of overheating. Drink plenty of water, avoid the midday sun and look after the elderly.
Source: national weather service via Meteoalarm (EUMETNET). Yellow - be aware, orange - be prepared, red - take action.
14-day forecast - Bologna
Bologna 30 & 45-day weather - long-range outlook
Next 16 days · forecast
27°
around 20° at night · days with rain: 12
Weeks 3-4 · avg for September
26°
around 15° at night · rain chance 28%
Weeks 5-7 · avg for October
20°
around 11° at night · rain chance 31%
The 30 & 45-day outlook for Bologna: the next 16 days are a numerical forecast updated daily - on average 27° by day and 20° at night. Further out we rely on multi-year climate averages: around 26° in September, and about 20° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Bologna
Saturday5 September 2026
🌤️32°a few clouds
sunrise 06:41 · sunset 19:45 · night 25° · evening 30° · rain 2.1 mm · humidity 30% · wind 3 m/s · clouds 24%
Sunday6 September 2026
☀️31°clear sky
sunrise 06:42 · sunset 19:43 · night 24° · evening 29° · rain 1.59 mm · humidity 41% · wind 6 m/s · clouds 5%
Monday7 September 2026
🌧️32°light rain
sunrise 06:44 · sunset 19:41 · night 24° · evening 30° · rain 1.12 mm · humidity 34% · wind 2 m/s · clouds 3%
Tuesday8 September 2026
🌧️33°light rain
sunrise 06:45 · sunset 19:39 · night 24° · evening 25° · rain 2.53 mm · humidity 43% · wind 3 m/s · clouds 9%
Wednesday9 September 2026
🌧️31°light rain
sunrise 06:46 · sunset 19:37 · night 22° · evening 24° · rain 3.44 mm · humidity 42% · wind 5 m/s · clouds 43%
Thursday10 September 2026
🌧️26°light rain
sunrise 06:47 · sunset 19:36 · night 20° · evening 21° · rain 11.16 mm · humidity 55% · wind 3 m/s · clouds 62%
Friday11 September 2026
🌧️25°light rain
sunrise 06:48 · sunset 19:34 · night 21° · evening 23° · rain 1.2 mm · humidity 59% · wind 2 m/s · clouds 93%
Saturday12 September 2026
🌤️28°scattered clouds
sunrise 06:49 · sunset 19:32 · night 21° · evening 23° · rain 4.02 mm · humidity 49% · wind 4 m/s · clouds 44%
Sunday13 September 2026
🌧️29°light rain
sunrise 06:51 · sunset 19:30 · night 22° · evening 23° · rain 0.72 mm · humidity 40% · wind 4 m/s · clouds 50%
Monday14 September 2026
🌧️26°light rain
sunrise 06:52 · sunset 19:28 · night 20° · evening 22° · rain 3.09 mm · humidity 64% · wind 3 m/s · clouds 88%
Tuesday15 September 2026
🌧️21°light rain
sunrise 06:53 · sunset 19:26 · night 17° · evening 17° · rain 3.32 mm · humidity 71% · wind 3 m/s · clouds 100%
Wednesday16 September 2026
🌧️19°light rain
sunrise 06:54 · sunset 19:24 · night 15° · evening 17° · rain 2.49 mm · humidity 65% · wind 6 m/s · clouds 99%
Thursday17 September 2026
🌧️24°light rain
sunrise 06:55 · sunset 19:22 · night 18° · evening 20° · rain 0.84 mm · humidity 43% · wind 3 m/s · clouds 34%
Friday18 September 2026
🌧️24°light rain
sunrise 06:56 · sunset 19:21 · night 18° · evening 20° · rain 2.25 mm · humidity 46% · wind 3 m/s · clouds 7%
Saturday19 September 2026
🌧️24°light rain
sunrise 06:58 · sunset 19:19 · night 16° · evening 19° · rain 0.81 mm · humidity 50% · wind 5 m/s · clouds 7%
Today the UV index in Bologna is 6 (moderate) - unprotected fair skin can burn in about 35 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Pollen in Bologna - info for allergy sufferers
Today mugwort pollen is highest in Bologna - about 5 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 Bologna
Air quality in Bologna is currently very good. Fine particulate PM2.5: 8 µg/m³, PM10: 13.9 µg/m³.
City
PM2.5 (µg/m³)
PM10 (µg/m³)
Air quality
Bologna
8
13.9
very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 03:00).
Bologna weather through the year
Warmest, driest months on average: April, May, June, July.
Upcoming public holidays in Italy: St. Francis of Assisi's Day — 4 October · All Saints Day — 1 November · Immaculate Conception — 8 December.