Detailed weather forecast for Uliastay, Mongolia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Uliastay
today☁️14°💧 1.1 mm
Sun☁️14°💧 9.4 mm
Mon☁️16°💧 3.3 mm
Tue🌧️17°💧 3.4 mm
Wed☀️17°💧 2.4 mm
Thu☀️19°💧 2 mm
Fri☀️21°💧 3.2 mm
Sat☀️22°night 12°
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
Friday 11 Sept in Uliastay, the forecast high is 21°C. Typical daytime temperatures at this time of year range from 9°C to 17°C, so it will be exceptionally warm. It is warmer than 97% of similar days.
14°Cnear normal
usually 11°C–18°C
night: exceptionally warmrain: more rain than usualwind: lighter than usual
From 1981 to 2025, the 5-11 Sept period averaged 14°C by day. The coolest year was 1992 (10°C) and the warmest was 2022 (21°C). The current forecast averages 17°C - higher than in 91% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Uliastay
Day-by-day forecast for Uliastay
Saturday5 September 2026
☁️14°overcast clouds
sunrise 05:55 · sunset 19:07 · night 7° · evening 15° · rain 1.14 mm · humidity 18% · wind 4 m/s · clouds 99%
Sunday6 September 2026
☁️14°broken clouds
sunrise 05:57 · sunset 19:05 · night 8° · evening 14° · rain 9.35 mm · humidity 19% · wind 3 m/s · clouds 54%
Monday7 September 2026
☁️16°overcast clouds
sunrise 05:58 · sunset 19:03 · night 8° · evening 15° · rain 3.28 mm · humidity 21% · wind 4 m/s · clouds 88%
Tuesday8 September 2026
🌧️17°light rain
sunrise 05:59 · sunset 19:01 · night 7° · evening 10° · rain 3.35 mm · humidity 30% · wind 6 m/s · clouds 100%
Wednesday9 September 2026
☀️17°clear sky
sunrise 06:01 · sunset 18:59 · night 8° · evening 11° · rain 2.37 mm · humidity 25% · wind 2 m/s · clouds 100%
Thursday10 September 2026
☀️19°clear sky
sunrise 06:02 · sunset 18:57 · night 10° · evening 12° · rain 1.95 mm · humidity 20% · wind 3 m/s · clouds 3%
Friday11 September 2026
☀️21°clear sky
sunrise 06:03 · sunset 18:55 · night 11° · evening 13° · rain 3.21 mm · humidity 16% · wind 3 m/s · clouds 2%
sunrise 06:16 · sunset 18:36 · night 9° · evening 12° · rain 0.12 mm · humidity 26% · wind 4 m/s · clouds 47%
UV index in Uliastay - is it safe to sunbathe?
Today the UV index in Uliastay 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.
Upcoming public holidays in Mongolia: Chinggis Khaan Day — 10 November · Republic Day — 26 November · Independence Day — 29 December.