worldweather28°Cnear normal
usually 25°C–34°C
night: exceptionally warm
rain: less rain than usual
wind: stronger than usual
Weather in Xi’an - 14-day forecast
Detailed weather forecast for Xi’an, People's Republic of China: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Xi’an
today☀️
28°night 26°
Sun☀️
32°💧 0.3 mm
Mon☁️
31°💧 0.7 mm
Tue🌧️
19°💧 14.5 mm
Wed🌧️
15°💧 54.3 mm
Thu🌧️
15°💧 10.4 mm
Fri☀️
21°night 20°
Sat🌤️
24°night 21°
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.
Wednesday 9 Sept in Xi’an, the forecast high is 15°C. Typical daytime temperatures at this time of year range from 24°C to 33°C, so it will be exceptionally cool. It is cooler than 99% of similar days.
32°Cwarmer than usual
usually 25°C–33°C
warmer than 71% of similar days
night: exceptionally warm
rain: typical rainfall
wind: stronger than usual
31°Cnear normal
usually 25°C–33°C
night: exceptionally warm
rain: typical rainfall
wind: exceptionally strong
19°Cexceptionally cool
usually 25°C–33°C
cooler than 97% of similar days
night: near normal
rain: exceptionally wet
wind: exceptionally strong
15°Cexceptionally cool
usually 24°C–33°C
cooler than 99% of similar days
night: cooler than usual
rain: exceptionally wet
wind: stronger than usual
15°Cexceptionally cool
usually 24°C–32°C
cooler than 99% of similar days
night: cooler than usual
rain: more rain than usual
wind: exceptionally light
21°Cexceptionally cool
usually 24°C–32°C
cooler than 92% of similar days
night: exceptionally warm
rain: less 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 29°C by day. The coolest year was 1981 (22°C) and the warmest was 1997 (39°C). The current forecast averages 23°C - lower than in 96% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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.
14-day forecast - Xi’an
Xi’an 30 & 45-day weather - long-range outlook
Next 16 days · forecast
24°
around 22° at night · days with rain: 7
Weeks 3-4 · avg for September
24°
around 16° at night · rain chance 43%
Weeks 5-7 · avg for October
19°
around 10° at night · rain chance 32%
The 30 & 45-day outlook for Xi’an: the next 16 days are a numerical forecast updated daily - on average 24° by day and 22° at night. Further out we rely on multi-year climate averages: around 24° in September, and about 19° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Xi’an
Saturday5 September 2026
☀️28°clear sky
Sunday6 September 2026
☀️32°clear sky
Monday7 September 2026
☁️31°overcast clouds
Tuesday8 September 2026
🌧️19°moderate rain
Wednesday9 September 2026
🌧️15°heavy rain
Thursday10 September 2026
🌧️15°light rain
Friday11 September 2026
☀️21°clear sky
Saturday12 September 2026
🌤️24°scattered clouds
Sunday13 September 2026
☀️25°clear sky
Monday14 September 2026
☀️26°clear sky
Tuesday15 September 2026
☀️27°clear sky
Wednesday16 September 2026
☁️27°broken clouds
Thursday17 September 2026
🌧️24°light rain
Friday18 September 2026
🌧️21°light rain
Saturday19 September 2026
🌧️21°moderate rain
Sunday20 September 2026
🌧️22°light rain
UV index in Xi’an - is it safe to sunbathe?
Today the UV index in Xi’an is 7 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Xi’an weather through the year
Warmest, driest months on average: March, April, May, June.
Upcoming public holidays in People's Republic of China: Mid-Autumn Festival — 25 September · National Day — 1 October · New Year's Day — 1 January.
Nearby and related places
FAQ - Xi’an weather
What is the weather like in Xi’an today?
Today it is about 28° during the day and 26° at night, clear sky.
How far ahead can I check the forecast for Xi’an?
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.