Weather forecast for 10 daysCalca, Peru

Weather forecast for the weekend

Sunday 18. Oct 2026

  • 23°C
  • 9°C
Thunderstorms
Thunderstorms
  • Precip. probability: 89%
  • Precipitation: 2mm
  • Wind: 15km/hN 1°
  • Humidity: 49%
  • UV index: 8
  • Sunrise: 05:20 -05
  • Sunset: 17:45 -05
  • ▼
Today, in Calca, storm systems may continue to produce thunderstorms.
Minimal precipitation is expected. Forecasted temperature values will span from a warm 23°C down to a frosty 9°C.
The anticipated high temperature will be uncommonly higher than the average October peak of 14.9°C.
Sunrise was at 05:20 and sunset will be at 17:45; the daylight will last for 12h and 26min.

10-day overview

Daily temperatures

Maximum temperature: 23°C.
Coldest day: Friday 20°C.

Chance of precipitation

Highest chance: today 89%.

Long-term weather forecast

  • Sunday
  • 18. Oct 2026
  • 23°C
  • 9°C
Thunderstorms
Thunderstorms
  • Precip. probability: 89%
  • Precipitation: 2mm
  • Wind: 15km/hN 1°
  • Humidity: 49%
  • UV index: 8
  • Sunrise: 05:20 -05
  • Sunset: 17:45 -05
  • ▼
  • Monday
  • 19. Oct 2026
  • 23°C
  • 9°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 48%
  • Precipitation: 2mm
  • Wind: 15km/hN 6°
  • Humidity: 47%
  • UV index: 11
  • Sunrise: 05:19 -05
  • Sunset: 17:46 -05
  • ▼
  • Tuesday
  • 20. Oct 2026
  • 22°C
  • 10°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 4mm
  • Wind: 13km/hN 9°
  • Humidity: 48%
  • UV index: 10
  • Sunrise: 05:18 -05
  • Sunset: 17:46 -05
  • ▼
  • Wednesday
  • 21. Oct 2026
  • 21°C
  • 11°C
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 7mm
  • Wind: 12km/hNNE 21°
  • Humidity: 53%
  • UV index: 10
  • Sunrise: 05:18 -05
  • Sunset: 17:46 -05
  • ▼
  • Thursday
  • 22. Oct 2026
  • 21°C
  • 11°C
Thunderstorms
Thunderstorms
  • Precip. probability: 63%
  • Precipitation: 5mm
  • Wind: 12km/hNNE 27°
  • Humidity: 54%
  • UV index: 10
  • Sunrise: 05:17 -05
  • Sunset: 17:46 -05
  • ▼
  • Friday
  • 23. Oct 2026
  • 20°C
  • 10°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 6mm
  • Wind: 12km/hNNE 15°
  • Humidity: 54%
  • UV index: 10
  • Sunrise: 05:17 -05
  • Sunset: 17:46 -05
  • ▼
  • Saturday
  • 24. Oct 2026
  • 22°C
  • 10°C
Thunderstorms
Thunderstorms
  • Precip. probability: 61%
  • Precipitation: 4mm
  • Wind: 13km/hN 2°
  • Humidity: 49%
  • UV index: 10
  • Sunrise: 05:16 -05
  • Sunset: 17:47 -05
  • ▼
  • Sunday
  • 25. Oct 2026
  • 22°C
  • 11°C
Thunderstorms
Thunderstorms
  • Precip. probability: 61%
  • Precipitation: 4mm
  • Wind: 15km/hNNW 333°
  • Humidity: 48%
  • UV index: 11
  • Sunrise: 05:16 -05
  • Sunset: 17:47 -05
  • ▼
  • Monday
  • 26. Oct 2026
  • 23°C
  • 10°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 4mm
  • Wind: 15km/hNW 321°
  • Humidity: 46%
  • UV index: 11
  • Sunrise: 05:16 -05
  • Sunset: 17:47 -05
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 22°C
  • 10°C
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 4mm
  • Wind: 15km/hNNW 337°
  • Humidity: 46%
  • UV index: 10
  • Sunrise: 05:15 -05
  • Sunset: 17:47 -05
  • ▼
For the coming ten days, primarily storm-filled and occasionally rain-filled weather is predicted.
Rain is anticipated day-to-day, with daily precipitation varying from a minimal 2mm to a maximum of 7mm.
The variation in maximum temperature will be negligible during the next few days. The maximum temperature will vary between 20°C and 23°C, while the lowest nightly temperature differences will be also negligible, as the minimum temperature will fluctuate between 9°C and 11°C.
With a maximum temperature of 23°C, Sunday, Monday and next Monday will be the warmest days; Friday will be the coldest day, with the highest temperature of 20°C.
Updated: Oct 18, 2026 @ 18:22:24 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, electrical storms are a possibility.

There is a high chance of rainfall, but precipitation will be minimal.

Today, the maximum temperature will be 23°C, while the minimum temperature will be 9°C.
Today, the maximum temperature will be noticeably higher than the average highest temperature of 14.9°C in October. The lowest temperature will be a couple of degrees higher than the average low of 6.4°C.

On Sunday, in Calca, sunrise was at 05:20 and sunset will be at 17:45 (-05).

In Calca, today, there will be 12h and 26min of daylight.