Weather forecast for 10 days
San Simon, El Salvador

Weather forecast for the weekend

Saturday, 17. May

PM Thunderstorms
05:24

18:14
CST
PM Thunderstorms
33°C / 22°C
  • Wind: 10km/h SW
  • Humidity: 62%
  • Precip. probability: 55%
  • Precipitation: 10mm
  • UV index: 11
On Saturday, in San Simon, isolated thunderstorms are expected with brief heavy rain.
The likelihood of precipitation for tomorrow is high. However, the rainfall will be light. The maximum temperature will be a tropical 33°C, while the minimum temperature will be an agreeable 22°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at a blistering 40°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the forecasted peak temperature is expected to mirror May's average high of 32.9°C.
Sunrise will be at 05:24 and sunset at 18:14; tomorrow's daylight will last for 12h and 50min.

Sunday, 18. May

PM Thunderstorms
05:24

18:14
CST
PM Thunderstorms
32°C / 22°C
  • Wind: 10km/h WSW
  • Humidity: 67%
  • Precip. probability: 69%
  • Precipitation: 10mm
  • UV index: 9
On Sunday, 18th of May, cloud build-up may lead to afternoon thunderstorms.
The chance of precipitation is high. However, the rainfall will be light. The temperature is anticipated to vary between a hot 32°C and a pleasant 22°C.
The anticipated high temperature will align with May's average of 32.9°C.
Sunrise will be at 05:24 and sunset at 18:14; the daylight will last for 12h and 50min.

Frequently asked questions

What is the weather forecast for San Simon for tomorrow?
Tomorrow, stormy weather with frequent thunder and rain bursts is expected.
Will it rain tomorrow?
With a probability of 55%, light precipitation of 10mm is anticipated.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 33°C, while the minimum temperature will be 22°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at 40°C.
Tomorrow, the highest temperature will be in line with the average maximum temperature in May. The lowest temperature tomorrow will be also in line with the average low temperature.
When are sunrise and sunset tomorrow?
On Saturday, in San Simon, sunrise will be at 05:24 and sunset at 18:14 (CST).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 12h and 50min.
What is the weather forecast for San Simon for Sunday?
On Sunday, stormy weather with frequent thunder and rain bursts is expected.
Will it rain on Sunday?
Light precipitation of 10mm is predicted on Sunday. The possibility of rainfall is 69%.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 32°C, while the lowest temperature will be 22°C.
What is the weather forecast for San Simon for the next ten days?
In San Simon, predominantly turbulent and occasionally cloudy weather is expected for the next ten days.
Will it rain in the next ten days?
In San Simon, rainfall is anticipated almost every day for the next ten days. With light precipitation of 10mm, Saturday and Sunday will be the wettest days.
How hot will it be in the next ten days?
The maximum temperature will range between 32°C and 34°C, while the minimum temperature will vary between 21°C and 22°C.
Combining with the humidity, the maximum feel-like temperature will range between 37°C and 43°C.
What will be the hottest and the coldest days?
The hottest days will be next Friday and Saturday, with a maximum of 34°C. The coldest days will be Sunday through Tuesday, with a maximum of 32°C.

Long-term weather forecast

Fri16.May
  • 33°C
  • 21°C
Partly Cloudy
Partly Cloudy
  • Wind: 11km/h SSW
  • Humidity: 54%
  • UV index: 11
  • Precip. probability: 4%
  • Precipitation: 1mm
  • 05:24 18:13 CST
Sat17.May
  • 33°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 10km/h SW
  • Humidity: 62%
  • UV index: 11
  • Precip. probability: 55%
  • Precipitation: 10mm
  • 05:24 18:14 CST
Sun18.May
  • 32°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 10km/h WSW
  • Humidity: 67%
  • UV index: 9
  • Precip. probability: 69%
  • Precipitation: 10mm
  • 05:24 18:14 CST
Mon19.May
  • 32°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 10km/h SSE
  • Humidity: 64%
  • UV index: 11
  • Precip. probability: 48%
  • Precipitation: 6mm
  • 05:24 18:14 CST
Tue20.May
  • 32°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 11km/h S
  • Humidity: 65%
  • UV index: 11
  • Precip. probability: 46%
  • Precipitation: 3mm
  • 05:23 18:15 CST
Wed21.May
  • 33°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 10km/h SSW
  • Humidity: 63%
  • UV index: 11
  • Precip. probability: 60%
  • Precipitation: 5mm
  • 05:23 18:15 CST
Thu22.May
  • 33°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 9km/h NW
  • Humidity: 64%
  • UV index: 11
  • Precip. probability: 73%
  • Precipitation: 9mm
  • 05:23 18:15 CST
Fri23.May
  • 34°C
  • 21°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 11km/h NE
  • Humidity: 61%
  • UV index: 11
  • Precip. probability: 63%
  • Precipitation: 6mm
  • 05:23 18:15 CST
Sat24.May
  • 34°C
  • 21°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 10km/h ENE
  • Humidity: 57%
  • UV index: 11
  • Precip. probability: 54%
  • Precipitation: 3mm
  • 05:23 18:16 CST
Sun25.May
  • 33°C
  • 21°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 11km/h ENE
  • Humidity: 58%
  • UV index: 11
  • Precip. probability: 60%
  • Precipitation: 6mm
  • 05:23 18:16 CST
It is expected that primarily unstable and occasionally gloomy weather is anticipated.
Rainfall is expected on Saturday through next Sunday. The days with the most rainfall will be Saturday and Sunday, with light precipitation of 10mm.
The maximum temperature will be very similar in the forecast period ahead. Highs will range from 32°C to 34°C, while the lowest nightly temperature differences will be also negligible, as the minimum temperature will fluctuate between 21°C and 22°C.
Next Friday and Saturday, with the highest temperature of 34°C, will be the hottest days; the coldest days will be Sunday through Tuesday, with a maximum of 32°C.
Combining with the humidity, the maximum feel-like temperature may increase greatly and range between a sweltering 37°C and a torridly hot 43°C.
Updated: May 16, 2025 @ 17:16:03 UTC
Published by: Weather Atlas | About Us
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