Weather in Zagreb - 14-day forecast

Detailed weather forecast for Zagreb, Croatia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Zagreb
today🌤️ 32°💧 1.4 mm
Sun☁️ 28°💧 0.3 mm
Mon☀️ 28°💧 0.2 mm
Tue☀️ 30°💧 3.6 mm
Wed🌧️ 30°💧 2.6 mm
Thu🌧️ 17°💧 2.5 mm
Fri☁️ 19°💧 1.4 mm
Sat🌧️ 24°💧 0.1 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

Saturday 5 Sept in Zagreb, the forecast high is 32°C. Typical daytime temperatures at this time of year range from 21°C to 28°C, so it will be exceptionally warm. It is warmer than 95% of similar days.

32°Cexceptionally warm
usually 21°C–28°C
warmer than 95% of similar days
night: exceptionally warm rain: typical rainfall wind: stronger than usual
28°Cwarmer than usual
usually 21°C–28°C
warmer than 77% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
28°Cwarmer than usual
usually 21°C–28°C
warmer than 79% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally light
30°Cexceptionally warm
usually 21°C–28°C
warmer than 91% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
30°Cexceptionally warm
usually 20°C–28°C
warmer than 92% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
17°Cexceptionally cool
usually 20°C–28°C
cooler than 92% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
19°Ccooler than usual
usually 20°C–27°C
cooler than 83% 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.

swipe to see more years →
15°25°35° 1981: 22°C1982: 26°C1983: 26°C1984: 25°C1985: 22°C1986: 22°C1987: 26°C1988: 24°C1989: 20°C1990: 23°C1991: 24°C1992: 25°C1993: 23°C1994: 26°C1995: 23°C1996: 18°C1997: 27°C1998: 23°C1999: 25°C2000: 22°C2001: 18°C2002: 25°C2003: 24°C2004: 24°C2005: 25°C2006: 24°C2007: 18°C2008: 30°C2009: 23°C2010: 19°C2011: 29°C2012: 28°C2013: 26°C2014: 21°C2015: 21°C2016: 27°C2017: 24°C2018: 27°C2019: 23°C2020: 27°C2021: 27°C2022: 28°C2023: 29°C2024: 29°C2025: 26°C 2026 forecast: 26°C current forecast 26°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 24°C by day. The coolest year was 2007 (18°C) and the warmest was 2008 (30°C). The current forecast averages 26°C - higher than in 73% 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 - Zagreb

Strong windyellow level
from 5 Sept, 12:00 to 7 Sept, 09:00
Areas: Zagreb region
Wind gusts can break branches and make driving harder. Watch for falling objects and stay away from trees.
Source: national weather service via Meteoalarm (EUMETNET). Yellow - be aware, orange - be prepared, red - take action.

14-day forecast - Zagreb

Zagreb - 14-day weather forecast infographic

Zagreb 30 & 45-day weather - long-range outlook

Next 16 days · forecast
24°
around 20° at night · days with rain: 8
Weeks 3-4 · avg for September
22°
around 11° at night · rain chance 37%
Weeks 5-7 · avg for October
17°
around 7° at night · rain chance 39%
The 30 & 45-day outlook for Zagreb: the next 16 days are a numerical forecast updated daily - on average 24° by day and 20° at night. Further out we rely on multi-year climate averages: around 22° in September, and about 17° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Zagreb

Saturday5 September 2026
🌤️32°a few clouds
sunrise 06:21 · sunset 19:28 · night 20° · evening 28° · rain 1.37 mm · humidity 32% · wind 6 m/s · clouds 24%
Sunday6 September 2026
☁️28°broken clouds
sunrise 06:23 · sunset 19:26 · night 21° · evening 30° · rain 0.29 mm · humidity 37% · wind 4 m/s · clouds 63%
Monday7 September 2026
☀️28°clear sky
sunrise 06:24 · sunset 19:24 · night 24° · evening 30° · rain 0.18 mm · humidity 25% · wind 2 m/s · clouds 2%
Tuesday8 September 2026
☀️30°clear sky
sunrise 06:25 · sunset 19:22 · night 25° · evening 34° · rain 3.6 mm · humidity 28% · wind 2 m/s · clouds 8%
Wednesday9 September 2026
🌧️30°light rain
sunrise 06:26 · sunset 19:20 · night 20° · evening 31° · rain 2.61 mm · humidity 25% · wind 2 m/s · clouds 5%
Thursday10 September 2026
🌧️17°light rain
sunrise 06:27 · sunset 19:18 · night 17° · evening 21° · rain 2.52 mm · humidity 81% · wind 4 m/s · clouds 99%
Friday11 September 2026
☁️19°overcast clouds
sunrise 06:29 · sunset 19:16 · night 19° · evening 25° · rain 1.44 mm · humidity 57% · wind 1 m/s · clouds 100%
Saturday12 September 2026
🌧️24°light rain
sunrise 06:30 · sunset 19:14 · night 20° · evening 28° · rain 0.12 mm · humidity 48% · wind 2 m/s · clouds 81%
Sunday13 September 2026
🌧️16°light rain
sunrise 06:31 · sunset 19:12 · night 15° · evening 14° · rain 4.41 mm · humidity 89% · wind 3 m/s · clouds 96%
Monday14 September 2026
☀️20°clear sky
sunrise 06:32 · sunset 19:10 · night 17° · evening 24° · rain 0.21 mm · humidity 58% · wind 2 m/s · clouds 100%
Tuesday15 September 2026
☀️22°clear sky
sunrise 06:34 · sunset 19:08 · night 20° · evening 27° · rain 0.33 mm · humidity 45% · wind 1 m/s · clouds 99%
Wednesday16 September 2026
☀️27°clear sky
sunrise 06:35 · sunset 19:06 · night 22° · evening 31° · rain 13.41 mm · humidity 47% · wind 4 m/s · clouds 13%
Thursday17 September 2026
☁️25°broken clouds
sunrise 06:36 · sunset 19:04 · night 22° · evening 29° · rain 25.17 mm · humidity 47% · wind 2 m/s · clouds 51%
Friday18 September 2026
🌤️26°a few clouds
sunrise 06:37 · sunset 19:02 · night 23° · evening 31° · humidity 42% · wind 2 m/s · clouds 13%
Saturday19 September 2026
☀️27°clear sky
sunrise 06:39 · sunset 19:01 · night 11° · evening 13° · humidity 38% · wind 2 m/s · clouds 100%
Sunday20 September 2026
🌤️15°a few clouds
sunrise 06:40 · sunset 18:59 · night 18° · evening 18° · humidity 45% · wind 3 m/s · clouds 15%

UV index in Zagreb - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTZagreb03681111+5.6UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 35 min6Sat5.096Sun6.096Mon7.096Tue8.096Wed9.095Thu10.093Fri11.093Sat12.094Sun13.094Mon14.094Tue15.095Wed16.094Thu17.091Fri18.095Sat19.095Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Zagreb 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 Zagreb - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTZagrebHighest pollen today: Ragweed232 grains/m³ · very high leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses222-Mugwort4101212Ragweed23223125115nonelowmoderatehighvery highoff season: alder, birch, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in Zagreb - about 232 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.

Zagreb weather through the year

Zagreb - annual climate

Warmest, driest months on average: April, May, June, July.

Upcoming public holidays in Croatia: All Saints' Day — 1 November · Remembrance Day — 18 November · Christmas Day — 25 December.

Nearby and related places

Velika GoricaSamoborKarlovacSisakNovo MestoBračDubrovnikSplitHvar

FAQ - Zagreb weather

What is the weather like in Zagreb today?
Today it is about 32° during the day and 20° at night, a few clouds.
How far ahead can I check the forecast for Zagreb?
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.