worldweather29°Cexceptionally warm
usually 19°C–25°C
warmer than 96% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally strong
Weather in Ljubljana - 14-day forecast
Detailed weather forecast for Ljubljana, Slovenia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Ljubljana
today🌧️
29°💧 2 mm
Sun🌤️
27°💧 0.3 mm
Mon🌤️
27°💧 0.2 mm
Tue🌧️
27°💧 0.5 mm
Wed🌧️
23°💧 8.7 mm
Thu🌧️
16°💧 32.2 mm
Fri☁️
18°💧 0.5 mm
Sat☁️
22°💧 9.6 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 Ljubljana, the forecast high is 29°C. Typical daytime temperatures at this time of year range from 19°C to 25°C, so it will be exceptionally warm. It is warmer than 96% of similar days.
27°Cexceptionally warm
usually 19°C–25°C
warmer than 95% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally strong
27°Cexceptionally warm
usually 19°C–25°C
warmer than 96% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
27°Cexceptionally warm
usually 19°C–25°C
warmer than 96% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
23°Cnear normal
usually 18°C–25°C
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
16°Cexceptionally cool
usually 18°C–25°C
cooler than 92% of similar days
night: warmer than usual
rain: exceptionally wet
wind: typical
18°Ccooler than usual
usually 18°C–25°C
cooler than 78% of similar days
night: exceptionally warm
rain: typical rainfall
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 22°C by day. The coolest year was 1996 (17°C) and the warmest was 2008 (26°C). The current forecast averages 24°C - higher than in 87% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Ljubljana
No active weather warnings for Ljubljana (region: Central). The national weather service is not forecasting dangerous conditions.
14-day forecast - Ljubljana
Ljubljana 30 & 45-day weather - long-range outlook
Next 16 days · forecast
22°
around 16° at night · days with rain: 7
Weeks 3-4 · avg for September
21°
around 10° at night · rain chance 50%
Weeks 5-7 · avg for October
16°
around 6° at night · rain chance 39%
The 30 & 45-day outlook for Ljubljana: the next 16 days are a numerical forecast updated daily - on average 22° by day and 16° at night. Further out we rely on multi-year climate averages: around 21° in September, and about 16° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Ljubljana
Saturday5 September 2026
🌧️29°light rain
Sunday6 September 2026
🌤️27°a few clouds
Monday7 September 2026
🌤️27°a few clouds
Tuesday8 September 2026
🌧️27°light rain
Wednesday9 September 2026
🌧️23°moderate rain
Thursday10 September 2026
🌧️16°moderate rain
Friday11 September 2026
☁️18°overcast clouds
Saturday12 September 2026
☁️22°overcast clouds
Sunday13 September 2026
🌧️18°light rain
Monday14 September 2026
☁️19°broken clouds
Tuesday15 September 2026
☀️21°clear sky
Wednesday16 September 2026
☀️24°clear sky
Thursday17 September 2026
🌧️20°light rain
Friday18 September 2026
☀️24°clear sky
Saturday19 September 2026
☀️25°clear sky
Sunday20 September 2026
🌤️14°a few clouds
UV index in Ljubljana - is it safe to sunbathe?
Today the UV index in Ljubljana 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 Ljubljana - info for allergy sufferers
Today ragweed pollen is highest in Ljubljana - about 95 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.
Ljubljana weather through the year
Warmest, driest months on average: April, May, June, July.
Upcoming public holidays in Slovenia: Reformation Day — 31 October · Day of the Dead — 1 November · Christmas Day — 25 December.
Nearby and related places
FAQ - Ljubljana weather
What is the weather like in Ljubljana today?
Today it is about 29° during the day and 21° at night, light rain.
How far ahead can I check the forecast for Ljubljana?
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.