worldweather31°Cwarmer than usual
usually 26°C–31°C
warmer than 84% of similar days
night: exceptionally warm
rain: typical rainfall
wind: lighter than usual
Weather in Naples - 14-day forecast
Detailed weather forecast for Naples, Italy: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Naples
today☀️
31°💧 0.6 mm
Sun☀️
32°💧 0.2 mm
Mon☀️
28°💧 0.5 mm
Tue☀️
27°night 26°
Wed☀️
27°💧 0.2 mm
Thu🌧️
27°💧 0.9 mm
Fri🌧️
26°💧 3.3 mm
Sat☀️
25°💧 4.1 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Naples, the forecast high is 32°C. Typical daytime temperatures at this time of year range from 26°C to 30°C, so it will be warmer than usual. It is warmer than 89% of similar days.
32°Cwarmer than usual
usually 26°C–30°C
warmer than 89% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
28°Cnear normal
usually 26°C–30°C
night: exceptionally warm
rain: typical rainfall
wind: lighter than usual
27°Cnear normal
usually 25°C–30°C
night: exceptionally warm
rain: less rain than usual
wind: lighter than usual
27°Cnear normal
usually 25°C–30°C
night: exceptionally warm
rain: typical rainfall
wind: lighter than usual
27°Cnear normal
usually 25°C–30°C
night: exceptionally warm
rain: typical rainfall
wind: typical
26°Cnear normal
usually 25°C–30°C
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.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 2007 (24°C) and the warmest was 2008 (33°C). The current forecast averages 28°C - higher 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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.
Weather warnings - Naples
Heatyellow level
from 5 Sept, 11:00 to 7 Sept, 19:59
Areas: Campania
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 - Naples
Naples 30 & 45-day weather - long-range outlook
Next 16 days · forecast
26°
around 24° at night · days with rain: 8
Weeks 3-4 · avg for September
27°
around 18° at night · rain chance 32%
Weeks 5-7 · avg for October
23°
around 14° at night · rain chance 34%
The 30 & 45-day outlook for Naples: the next 16 days are a numerical forecast updated daily - on average 26° by day and 24° at night. Further out we rely on multi-year climate averages: around 27° in September, and about 23° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Naples
Saturday5 September 2026
☀️31°clear sky
Sunday6 September 2026
☀️32°clear sky
Monday7 September 2026
☀️28°clear sky
Tuesday8 September 2026
☀️27°clear sky
Wednesday9 September 2026
☀️27°clear sky
Thursday10 September 2026
🌧️27°light rain
Friday11 September 2026
🌧️26°moderate rain
Saturday12 September 2026
☀️25°clear sky
Sunday13 September 2026
☀️25°clear sky
Monday14 September 2026
☀️26°clear sky
Tuesday15 September 2026
🌧️24°moderate rain
Wednesday16 September 2026
🌧️22°moderate rain
Thursday17 September 2026
🌧️22°light rain
Friday18 September 2026
🌧️22°light rain
Saturday19 September 2026
🌧️23°light rain
Sunday20 September 2026
☀️22°clear sky
UV index in Naples - is it safe to sunbathe?
Today the UV index in Naples is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Pollen in Naples - info for allergy sufferers
Today mugwort pollen is highest in Naples - about 40 grains/m³, high level. Allergy sufferers should limit time outdoors on dry, windy days and take medication as advised. Pollen levels are a CAMS model forecast and are indicative.
Sea temperature - Naples
Water today
29°C
Week avg
28°C
Waves today
0.1 m
How's the water?
very warm
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Naples weather through the year
Upcoming public holidays in Italy: St. Francis of Assisi's Day — 4 October · All Saints Day — 1 November · Immaculate Conception — 8 December.
Nearby and related places
FAQ - Naples weather
What is the weather like in Naples today?
Today it is about 31° during the day and 25° at night, clear sky.
How far ahead can I check the forecast for Naples?
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.