Weather in Peru - today, tomorrow and 14-day forecast
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in Peru's cities today
Weather map - today's temperatures
Next days in Peru
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Saturday 5 Sept in Peru, the forecast high is 22°C. Typical daytime temperatures at this time of year range from 21°C to 22°C, so it will be warmer than usual. It is warmer than 78% of similar days.
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 22°C by day. The coolest year was 1989 (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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Peru
Peru 30 & 45-day weather - long-range outlook
Today vs the next days - Peru cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| 🌧️ Iquitos | 36℃ | 29℃ | 35℃ | 0.5 mm |
| 🌤️ Chiclayo | 26℃ | 26℃ | 26℃ | 0.4 mm |
| 🌤️ Trujillo | 24℃ | 24℃ | 23℃ | - |
| 🌤️ Callao | 23℃ | 22℃ | 21℃ | 0.2 mm |
| ☁️ Arequipa | 23℃ | 20℃ | 22℃ | 0.6 mm |
| 🌤️ Lima | 22℃ | 22℃ | 21℃ | - |
| 🌤️ Cajamarca | 22℃ | 19℃ | 24℃ | 0.6 mm |
| 🌤️ Chincha Alta | 21℃ | 22℃ | 22℃ | - |
| 🌧️ Cuzco | 18℃ | 12℃ | 14℃ | 0.6 mm |
| 🌧️ Ayacucho | 17℃ | 15℃ | 15℃ | 3.8 mm |
Day-by-day forecast for Peru
Sea temperature - Peru
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Chiclayo | 23℃ | 24℃ | 1.1 m | pleasant |
| Chincha Alta | 23℃ | 23℃ | 1.4 m | pleasant |
| Lima | 22℃ | 22℃ | 1.7 m | pleasant |
| Callao | 22℃ | 22℃ | 1.7 m | pleasant |
| Trujillo | 22℃ | 22℃ | 1.8 m | pleasant |
Air quality and smog in Peru
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Lima | 15.4 | 55.8 | good |
| Iquitos | 14.7 | 15.1 | good |
| Tacna | 14.6 | 55.5 | good |
| Chiclayo | 11.6 | 18.3 | very good |
| Piura | 11.3 | 16.8 | very good |
| Tumbes | 11.1 | 15.8 | very good |
| Pucallpa | 10.8 | 10.9 | very good |
| Trujillo Province | 9.5 | 14.8 | very good |
| Chincha Alta | 8.6 | 15.3 | very good |
| Juliaca | 6.6 | 6.8 | very good |
| Cuzco | 5 | 5.1 | very good |
| Cajamarca | 2.4 | 2.6 | very good |