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Bologna weather

Emilia-Romagna · 394,843 inhabitants · Thursday, October 29 · updated 18:04

Air: Moderate

18°

Mainly clear

Feels like 18°C

Wind

7 km/h

Gusts

17 km/h

Humidity

62 %

Pressure

1023 hPa

Clouds

30 %

Storm

Rise 06:48 Set 17:08 Day 10 h 20 min UV 3 · Moderate

Morning, afternoon, evening

Trend

Evening

Mainly clear

14°11°

Feels like 14°

Wind ↑ WSW 5 km/h

Humidity 78 %

19:00

14°

ENE 2

22:00

11°

WSW 5

Bologna forecast in charts · next 7 days

The week ahead: highs and lows

≈ A week close to the usual temperatures

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Bologna climate: what a normal year looks like

From 15 h 33 min of daylight in late June to 8 h 49 min in late December.

The hottest stretch is July, when afternoons average 31 °C; the coldest is January, when nights average 1 °C. Between those two months the average temperature changes by 21 °C.

Afternoons reach 30 °C or more in July and August; the typical peak is 31 °C in July.

There is no real dry season: monthly rainfall stays between 48 mm and 93 mm on average.

Forecast highs for the coming week average 15 °C, 5 °C cooler than a normal October (20 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	8 °C	1 °C	49 mm
Feb	10 °C	2 °C	67 mm
Mar	14 °C	5 °C	65 mm
Apr	18 °C	9 °C	79 mm
May	23 °C	13 °C	78 mm
Jun	28 °C	18 °C	63 mm
Jul	31 °C	20 °C	50 mm
Aug	31 °C	20 °C	57 mm
Sep	25 °C	16 °C	71 mm
Oct	20 °C	12 °C	79 mm
Nov	14 °C	8 °C	93 mm
Dec	9 °C	3 °C	71 mm
Whole year	19 °C	10 °C	820 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 44.49° N, 11.34° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Bologna: pollution and pollen

3/6

Moderate

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.524µg/m³

PM1027µg/m³

O₃37µg/m³

NO₂15µg/m³

SO₂1µg/m³

Pollen · dominant: Grass

AlderNone

BirchNone

GrassLow

MugwortNone

OliveNone

RagweedNone

Copernicus CAMS model, updated several times a day.

Rain radar around Bologna

Rain observed over the last two hours by official weather radars around Bologna, followed by the radar forecast for the next hour where the weather service provides one.

Rain radar Last two hours, then forecast where available · drag the timeline

Moon over Bologna

Waning gibbous

87 % illuminated · 18.3 days

Rise 04:59 Set 22:03

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (Europe/Rome); phase and lit fraction from a synodic calculation.

Look up a past day in Bologna

Curious about the weather in Bologna on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Bologna weather at a glance

This page gathers everything about the weather in Bologna, Emilia-Romagna: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 18 °C (feels like 18 °C) and the wind blows at 7 km/h.

Expected range today: 7 °C to 18 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Other big cities nearby

Florence 80 km 21°

Genoa 190 km 19°

Milan 201 km 16°

Bologna weather data for developers

Use the Bologna forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

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Where does this forecast come from? Our engine, checked every day against 1125 weather stations