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Weather in Callao - 14-day forecast

Detailed weather forecast for Callao, Peru: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Callao
today🌤️ 23°💧 0.2 mm
Sun🌤️ 22°💧 0.1 mm
Mon🌤️ 21°💧 0.1 mm
Tue☁️ 22°night 20°
Wed☁️ 22°💧 0.1 mm
Thu🌤️ 21°night 19°
Fri🌤️ 21°night 19°
Sat🌤️ 21°night 19°
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 Callao, the forecast high is 23°C. Typical daytime temperatures at this time of year range from 21°C to 23°C, so it will be warmer than usual. It is warmer than 83% of similar days.

23°Cwarmer than usual
usually 21°C–23°C
warmer than 83% of similar days
night: exceptionally warm rain: exceptionally wet wind: exceptionally light
22°Cwarmer than usual
usually 21°C–23°C
warmer than 70% of similar days
night: exceptionally warm rain: exceptionally wet wind: exceptionally light
21°Ccooler than usual
usually 21°C–23°C
cooler than 81% of similar days
night: exceptionally warm rain: exceptionally wet wind: exceptionally light
22°Cnear normal
usually 21°C–23°C
night: exceptionally warm rain: typical rainfall wind: exceptionally light
22°Cnear normal
usually 21°C–23°C
night: exceptionally warm rain: exceptionally wet wind: typical
21°Ccooler than usual
usually 21°C–23°C
cooler than 70% of similar days
night: exceptionally warm rain: typical rainfall wind: stronger than usual
21°Ccooler than usual
usually 21°C–23°C
cooler than 77% of similar days
night: exceptionally warm rain: typical rainfall 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.

swipe to see more years →
15°23°30° 1981: 22°C1982: 23°C1983: 22°C1984: 22°C1985: 22°C1986: 23°C1987: 22°C1988: 21°C1989: 21°C1990: 22°C1991: 23°C1992: 22°C1993: 21°C1994: 23°C1995: 22°C1996: 22°C1997: 24°C1998: 21°C1999: 21°C2000: 22°C2001: 21°C2002: 23°C2003: 22°C2004: 21°C2005: 22°C2006: 22°C2007: 21°C2008: 22°C2009: 22°C2010: 21°C2011: 21°C2012: 23°C2013: 22°C2014: 22°C2015: 23°C2016: 23°C2017: 21°C2018: 22°C2019: 22°C2020: 22°C2021: 21°C2022: 22°C2023: 24°C2024: 24°C2025: 22°C 2026 forecast: 22°C current forecast 22°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 22°C by day. The coolest year was 1998 (21°C) and the warmest was 1997 (24°C). The current forecast averages 22°C - close to the historical median.

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 - Callao

Callao - 14-day weather forecast infographic

Callao 30 & 45-day weather - long-range outlook

Next 15 days · forecast
22°
around 20° at night · days with rain: 0
Weeks 3-4 · avg for September
19°
around 15° at night · rain chance 20%
Weeks 5-7 · avg for October
21°
around 16° at night · rain chance 11%
The 30 & 45-day outlook for Callao: the next 15 days are a numerical forecast updated daily - on average 22° by day and 20° at night. Further out we rely on multi-year climate averages: around 19° in September, and about 21° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Callao

Saturday5 September 2026
🌤️23°scattered clouds
sunrise 06:10 · sunset 18:05 · night 21° · evening 22° · rain 0.18 mm · humidity 74% · wind 4 m/s · clouds 38%
Sunday6 September 2026
🌤️22°a few clouds
sunrise 06:09 · sunset 18:05 · night 19° · evening 21° · rain 0.12 mm · humidity 74% · wind 4 m/s · clouds 22%
Monday7 September 2026
🌤️21°scattered clouds
sunrise 06:08 · sunset 18:05 · night 20° · evening 21° · rain 0.12 mm · humidity 74% · wind 4 m/s · clouds 31%
Tuesday8 September 2026
☁️22°broken clouds
sunrise 06:08 · sunset 18:05 · night 20° · evening 21° · humidity 70% · wind 5 m/s · clouds 70%
Wednesday9 September 2026
☁️22°broken clouds
sunrise 06:07 · sunset 18:05 · night 20° · evening 20° · rain 0.12 mm · humidity 70% · wind 6 m/s · clouds 72%
Thursday10 September 2026
🌤️21°scattered clouds
sunrise 06:06 · sunset 18:05 · night 19° · evening 20° · humidity 73% · wind 6 m/s · clouds 46%
Friday11 September 2026
🌤️21°scattered clouds
sunrise 06:06 · sunset 18:05 · night 19° · evening 20° · humidity 71% · wind 5 m/s · clouds 38%
Saturday12 September 2026
🌤️21°a few clouds
sunrise 06:05 · sunset 18:05 · night 19° · evening 20° · humidity 69% · wind 4 m/s · clouds 23%
Sunday13 September 2026
🌤️21°a few clouds
sunrise 06:04 · sunset 18:05 · night 19° · evening 20° · humidity 68% · wind 5 m/s · clouds 11%
Monday14 September 2026
🌤️21°a few clouds
sunrise 06:04 · sunset 18:05 · night 19° · evening 20° · humidity 67% · wind 4 m/s · clouds 17%
Tuesday15 September 2026
🌤️22°a few clouds
sunrise 06:03 · sunset 18:05 · night 19° · evening 20° · humidity 67% · wind 5 m/s · clouds 16%
Wednesday16 September 2026
☀️21°clear sky
sunrise 06:02 · sunset 18:05 · night 19° · evening 20° · humidity 68% · wind 4 m/s · clouds 6%
Thursday17 September 2026
☁️22°broken clouds
sunrise 06:02 · sunset 18:05 · night 20° · evening 20° · humidity 65% · wind 5 m/s · clouds 60%
Friday18 September 2026
🌤️22°a few clouds
sunrise 06:01 · sunset 18:04 · night 20° · evening 20° · humidity 68% · wind 4 m/s · clouds 21%
Saturday19 September 2026
🌤️22°scattered clouds
sunrise 06:00 · sunset 18:04 · night 20° · evening 21° · humidity 66% · wind 4 m/s · clouds 46%

UV index in Callao - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTCallao03681111+8.5UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 25 min9Sat5.099Sun6.099Mon7.099Tue8.099Wed9.099Thu10.099Fri11.099Sat12.099Sun13.099Mon14.099Tue15.099Wed16.099Thu17.099Fri18.099Sat19.099Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Callao 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.

Sea temperature - Callao

Water today
22°C
Week avg
22°C
Waves today
1.7 m
How's the water?
pleasant
16-day sea temperature forecast:
5.09 22°C6.09 22°C7.09 22°C8.09 23°C9.09 23°C10.09 22°C11.09 22°C12.09 22°C13.09 22°C
Average sea temperature through the year:
Jan 20°CFeb 22°CMar 22°CApr 21°CMay 20°CJun 19°CJul 19°CAug 18°CSep 17°COct 18°CNov 18°CDec 19°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Callao weather through the year

Callao - annual climate
Upcoming public holidays in Peru: Battle of Angamos — 8 October · All Saints Day — 1 November · Immaculate Conception — 8 December.

Nearby and related places

LimaChincha AltaAyacuchoTrujilloChiclayoCajamarcaCuzcoArequipa

FAQ - Callao weather

What is the weather like in Callao today?
Today it is about 23° during the day and 21° at night, scattered clouds.
How far ahead can I check the forecast for Callao?
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.