Detailed weather forecast for Arequipa, Peru: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Arequipa
today☁️23°💧 0.6 mm
Sun☀️21°💧 0.1 mm
Mon☀️21°💧 0.3 mm
Tue☁️20°💧 0.1 mm
Wed☁️20°💧 1.3 mm
Thu☁️20°💧 1.6 mm
Fri☀️20°💧 0.2 mm
Sat☀️22°night 16°
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 Arequipa, the forecast high is 23°C. Typical daytime temperatures at this time of year range from 18°C to 21°C, so it will be exceptionally warm. It is warmer than 98% of similar days.
From 1981 to 2025, the 5-11 Sept period averaged 20°C by day. The coolest year was 1983 (17°C) and the warmest was 2024 (23°C). The current forecast averages 21°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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Arequipa
Day-by-day forecast for Arequipa
Saturday5 September 2026
☁️23°overcast clouds
sunrise 05:50 · sunset 17:40 · night 17° · evening 21° · rain 0.63 mm · humidity 23% · wind 6 m/s · clouds 100%
Sunday6 September 2026
☀️21°clear sky
sunrise 05:49 · sunset 17:40 · night 17° · evening 19° · rain 0.12 mm · humidity 26% · wind 6 m/s · clouds 1%
Monday7 September 2026
☀️21°clear sky
sunrise 05:48 · sunset 17:41 · night 15° · evening 18° · rain 0.3 mm · humidity 31% · wind 6 m/s · clouds 3%
Tuesday8 September 2026
☁️20°overcast clouds
sunrise 05:47 · sunset 17:41 · night 16° · evening 19° · rain 0.12 mm · humidity 32% · wind 6 m/s · clouds 97%
Wednesday9 September 2026
☁️20°overcast clouds
sunrise 05:46 · sunset 17:41 · night 17° · evening 20° · rain 1.26 mm · humidity 32% · wind 7 m/s · clouds 91%
Thursday10 September 2026
☁️20°overcast clouds
sunrise 05:46 · sunset 17:41 · night 15° · evening 19° · rain 1.59 mm · humidity 33% · wind 6 m/s · clouds 96%
Friday11 September 2026
☀️20°clear sky
sunrise 05:45 · sunset 17:41 · night 15° · evening 20° · rain 0.18 mm · humidity 21% · wind 6 m/s · clouds 1%
sunrise 05:38 · sunset 17:42 · night 17° · evening 21° · humidity 23% · wind 7 m/s
UV index in Arequipa - is it safe to sunbathe?
Today the UV index in Arequipa is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Upcoming public holidays in Peru: Battle of Angamos — 8 October · All Saints Day — 1 November · Immaculate Conception — 8 December.