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 warmrain: typical rainfallwind: stronger than usual
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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 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%
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
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
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.