Detailed weather forecast for Vienna, Austria: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Vienna
today🌧️21°💧 0.3 mm
Sun☀️26°💧 1.5 mm
Mon☁️24°💧 0.9 mm
Tue🌧️27°💧 1.6 mm
Wed🌧️25°💧 17.6 mm
Thu🌧️19°💧 0.2 mm
Fri☁️22°💧 11.9 mm
Sat🌧️19°💧 0.8 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
Tuesday 8 Sept in Vienna, the forecast high is 27°C. Typical daytime temperatures at this time of year range from 18°C to 26°C, so it will be warmer than usual. It is warmer than 88% of similar days.
21°Cnear normal
usually 18°C–26°C
night: exceptionally warmrain: typical rainfallwind: stronger than usual
From 1981 to 2025, the 5-11 Sept period averaged 22°C by day. The coolest year was 2007 (15°C) and the warmest was 2023 (28°C). The current forecast averages 23°C - higher than in 62% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Vienna
No active weather warnings for Vienna (region: Wien). The national weather service is not forecasting dangerous conditions.
14-day forecast - Vienna
Vienna 30 & 45-day weather - long-range outlook
Next 16 days · forecast
20°
around 18° at night · days with rain: 7
Weeks 3-4 · avg for September
21°
around 11° at night · rain chance 43%
Weeks 5-7 · avg for October
15°
around 7° at night · rain chance 44%
The 30 & 45-day outlook for Vienna: the next 16 days are a numerical forecast updated daily - on average 20° by day and 18° at night. Further out we rely on multi-year climate averages: around 21° in September, and about 15° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Vienna
Saturday5 September 2026
🌧️21°light rain
sunrise 06:17 · sunset 19:29 · night 19° · evening 25° · rain 0.27 mm · humidity 55% · wind 7 m/s · clouds 100%
Sunday6 September 2026
☀️26°clear sky
sunrise 06:18 · sunset 19:27 · night 20° · evening 26° · rain 1.47 mm · humidity 35% · wind 4 m/s · clouds 10%
Monday7 September 2026
☁️24°broken clouds
sunrise 06:20 · sunset 19:25 · night 23° · evening 27° · rain 0.87 mm · humidity 37% · wind 3 m/s · clouds 69%
Tuesday8 September 2026
🌧️27°light rain
sunrise 06:21 · sunset 19:23 · night 26° · evening 33° · rain 1.61 mm · humidity 47% · wind 2 m/s · clouds 52%
Wednesday9 September 2026
🌧️25°heavy rain
sunrise 06:22 · sunset 19:21 · night 16° · evening 19° · rain 17.58 mm · humidity 53% · wind 7 m/s · clouds 47%
Thursday10 September 2026
🌧️19°light rain
sunrise 06:24 · sunset 19:18 · night 17° · evening 21° · rain 0.24 mm · humidity 52% · wind 4 m/s · clouds 100%
Friday11 September 2026
☁️22°broken clouds
sunrise 06:25 · sunset 19:16 · night 20° · evening 24° · rain 11.91 mm · humidity 37% · wind 4 m/s · clouds 56%
Saturday12 September 2026
🌧️19°light rain
sunrise 06:27 · sunset 19:14 · night 18° · evening 23° · rain 0.81 mm · humidity 66% · wind 7 m/s · clouds 46%
Sunday13 September 2026
🌧️18°light rain
sunrise 06:28 · sunset 19:12 · night 16° · evening 20° · rain 0.21 mm · humidity 57% · wind 7 m/s · clouds 99%
Monday14 September 2026
☀️18°clear sky
sunrise 06:29 · sunset 19:10 · night 17° · evening 22° · rain 0.15 mm · humidity 45% · wind 3 m/s · clouds 2%
Tuesday15 September 2026
☁️21°broken clouds
sunrise 06:31 · sunset 19:08 · night 20° · evening 27° · rain 26.22 mm · humidity 48% · wind 5 m/s · clouds 56%
Wednesday16 September 2026
🌧️22°moderate rain
sunrise 06:32 · sunset 19:06 · night 13° · evening 13° · rain 18.56 mm · humidity 52% · wind 6 m/s · clouds 8%
Thursday17 September 2026
🌧️15°light rain
sunrise 06:33 · sunset 19:04 · night 16° · evening 18° · rain 2.19 mm · humidity 78% · wind 6 m/s · clouds 99%
Friday18 September 2026
🌧️15°light rain
sunrise 06:35 · sunset 19:02 · night 14° · evening 15° · rain 0.63 mm · humidity 73% · wind 6 m/s · clouds 74%
Today the UV index in Vienna is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Pollen in Vienna - info for allergy sufferers
Today ragweed pollen is highest in Vienna - about 112 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.
Vienna weather through the year
Warmest, driest months on average: April, May, June, July.
Upcoming public holidays in Austria: Austrian National Day — 26 October · All Saints' Day — 1 November · Immaculate Conception — 8 December.