worldweather30°Cexceptionally warm
usually 23°C–28°C
warmer than 97% of similar days
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
Weather in Split - 14-day forecast
Detailed weather forecast for Split, Croatia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Split
today☀️
30°💧 2.3 mm
Sun☀️
30°💧 0.2 mm
Mon☀️
29°💧 2.3 mm
Tue🌤️
29°💧 1.7 mm
Wed☀️
28°💧 0.9 mm
Thu🌧️
27°💧 1.9 mm
Fri🌧️
27°💧 2.8 mm
Sat🌧️
26°💧 1.1 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.
Saturday 5 Sept in Split, the forecast high is 30°C. Typical daytime temperatures at this time of year range from 23°C to 28°C, so it will be exceptionally warm. It is warmer than 97% of similar days.
30°Cexceptionally warm
usually 23°C–28°C
warmer than 97% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
29°Cexceptionally warm
usually 23°C–27°C
warmer than 94% of similar days
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
29°Cexceptionally warm
usually 23°C–27°C
warmer than 95% of similar days
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
28°Cexceptionally warm
usually 23°C–27°C
warmer than 91% of similar days
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
27°Cwarmer than usual
usually 22°C–27°C
warmer than 82% of similar days
night: exceptionally warm
rain: more rain than usual
wind: lighter than usual
27°Cwarmer than usual
usually 22°C–27°C
warmer than 81% of similar days
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
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 25°C by day. The coolest year was 1996 (20°C) and the warmest was 2023 (29°C). The current forecast averages 29°C - higher than in 98% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Split
Heatyellow level
from 5 Sept, 00:01 to 8 Sept, 23:59
Areas: Split region
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 - Split
Split 30 & 45-day weather - long-range outlook
Next 16 days · forecast
27°
around 24° at night · days with rain: 10
Weeks 3-4 · avg for September
27°
around 18° at night · rain chance 20%
Weeks 5-7 · avg for October
22°
around 15° at night · rain chance 23%
The 30 & 45-day outlook for Split: the next 16 days are a numerical forecast updated daily - on average 27° by day and 24° at night. Further out we rely on multi-year climate averages: around 27° in September, and about 22° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Split
Saturday5 September 2026
☀️30°clear sky
Sunday6 September 2026
☀️30°clear sky
Monday7 September 2026
☀️29°clear sky
Tuesday8 September 2026
🌤️29°scattered clouds
Wednesday9 September 2026
☀️28°clear sky
Thursday10 September 2026
🌧️27°light rain
Friday11 September 2026
🌧️27°light rain
Saturday12 September 2026
🌧️26°light rain
Sunday13 September 2026
🌧️27°light rain
Monday14 September 2026
🌧️27°light rain
Tuesday15 September 2026
☀️27°clear sky
Wednesday16 September 2026
☀️27°clear sky
Thursday17 September 2026
☀️28°clear sky
Friday18 September 2026
☁️29°overcast clouds
Saturday19 September 2026
☀️28°clear sky
Sunday20 September 2026
☀️18°clear sky
UV index in Split - is it safe to sunbathe?
Today the UV index in Split is 6 (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 Split - info for allergy sufferers
Today ragweed pollen is highest in Split - about 141 grains/m³, very 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 - Split
Water today
28°C
Week avg
28°C
Waves today
0 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.
Air quality and smog in Split
Air quality in Split is currently very good. Fine particulate PM2.5: 8.4 µg/m³, PM10: 12 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Split | 8.4 | 12 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 03:00).
Split weather through the year
Upcoming public holidays in Croatia: All Saints' Day — 1 November · Remembrance Day — 18 November · Christmas Day — 25 December.
Nearby and related places
FAQ - Split weather
What is the weather like in Split today?
Today it is about 30° during the day and 27° at night, clear sky.
How far ahead can I check the forecast for Split?
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.