Detailed weather forecast for Florence, Italy: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Florence
today☀️31°💧 0.3 mm
Sun☀️34°💧 0.3 mm
Mon☀️34°💧 0.3 mm
Tue☀️34°💧 0.2 mm
Wed🌧️33°💧 0.8 mm
Thu🌧️30°💧 5.5 mm
Fri☁️29°💧 5.9 mm
Sat☀️31°💧 0.2 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 Florence, the forecast high is 34°C. Typical daytime temperatures at this time of year range from 22°C to 28°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
From 1981 to 2025, the 5-11 Sept period averaged 25°C by day. The coolest year was 1989 (20°C) and the warmest was 1997 (31°C). The current forecast averages 32°C - higher than in 100% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Florence
Heatyellow level
from 5 Sept, 11:00 to 7 Sept, 19:59
Areas: Toscana
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 - Florence
Florence 30 & 45-day weather - long-range outlook
Next 16 days · forecast
29°
around 22° at night · days with rain: 5
Weeks 3-4 · avg for September
26°
around 15° at night · rain chance 30%
Weeks 5-7 · avg for October
22°
around 12° at night · rain chance 39%
The 30 & 45-day outlook for Florence: the next 16 days are a numerical forecast updated daily - on average 29° by day and 22° at night. Further out we rely on multi-year climate averages: around 26° in September, and about 22° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Florence
Saturday5 September 2026
☀️31°clear sky
sunrise 06:42 · sunset 19:44 · night 23° · evening 30° · rain 0.27 mm · humidity 42% · wind 4 m/s · clouds 4%
Sunday6 September 2026
☀️34°clear sky
sunrise 06:44 · sunset 19:43 · night 27° · evening 32° · rain 0.3 mm · humidity 28% · wind 5 m/s · clouds 4%
Monday7 September 2026
☀️34°clear sky
sunrise 06:45 · sunset 19:41 · night 27° · evening 31° · rain 0.31 mm · humidity 31% · wind 4 m/s · clouds 96%
Tuesday8 September 2026
☀️34°clear sky
sunrise 06:46 · sunset 19:39 · night 25° · evening 28° · rain 0.22 mm · humidity 36% · wind 4 m/s · clouds 10%
Wednesday9 September 2026
🌧️33°light rain
sunrise 06:47 · sunset 19:37 · night 25° · evening 27° · rain 0.81 mm · humidity 38% · wind 5 m/s · clouds 39%
Thursday10 September 2026
🌧️30°light rain
sunrise 06:48 · sunset 19:35 · night 20° · evening 22° · rain 5.52 mm · humidity 43% · wind 3 m/s · clouds 93%
Friday11 September 2026
☁️29°broken clouds
sunrise 06:49 · sunset 19:34 · night 24° · evening 26° · rain 5.94 mm · humidity 44% · wind 4 m/s · clouds 51%
Saturday12 September 2026
☀️31°clear sky
sunrise 06:50 · sunset 19:32 · night 24° · evening 27° · rain 0.15 mm · humidity 30% · wind 4 m/s · clouds 4%
Sunday13 September 2026
🌧️30°light rain
sunrise 06:51 · sunset 19:30 · night 23° · evening 25° · rain 4.86 mm · humidity 41% · wind 4 m/s · clouds 38%
Monday14 September 2026
🌧️30°light rain
sunrise 06:53 · sunset 19:28 · night 23° · evening 26° · rain 0.78 mm · humidity 45% · wind 4 m/s · clouds 11%
Tuesday15 September 2026
🌧️20°moderate rain
sunrise 06:54 · sunset 19:26 · night 18° · evening 18° · rain 16.71 mm · humidity 88% · wind 2 m/s · clouds 100%
Wednesday16 September 2026
🌧️24°light rain
sunrise 06:55 · sunset 19:24 · night 18° · evening 20° · rain 1.14 mm · humidity 48% · wind 5 m/s · clouds 70%
sunrise 06:59 · sunset 19:17 · night 25° · evening 25° · humidity 31% · wind 6 m/s
UV index in Florence - is it safe to sunbathe?
Today the UV index in Florence is 6 (high) - unprotected fair skin can burn in about 35 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Pollen in Florence - info for allergy sufferers
Today ragweed pollen is highest in Florence - about 7 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 Florence
Air quality in Florence is currently very good. Fine particulate PM2.5: 13 µg/m³, PM10: 18.4 µg/m³.
City
PM2.5 (µg/m³)
PM10 (µg/m³)
Air quality
Florence
13
18.4
very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 03:00).
Florence 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.