Weather forecast for tomorrowSiay, Philippines

Weather forecast for tomorrow

Wednesday 21. Oct 2026

  • 32°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 54%
  • Precipitation: 12mm
  • Wind: 15km/hWSW 245°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 5:35 am PST
  • Sunset: 5:30 pm PST
  • ▼
On Wednesday, 21st of October, showers and thunder will dominate the later part of the day.
With a high probability, moderate precipitation is expected for tomorrow. Temperature fluctuations between a humid 32°C and a temperate 24°C are forecasted.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at a blisteringly hot 43°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The highest temperature is forecasted to be a few degrees higher than the average October peak of 28.9°C.
Sunrise will be at 5:35 am and sunset at 5:30 pm; tomorrow's daylight will last for 11h and 55min.

Hourly overview

Hourly temperatures

Warmest hour: 12 pm 38°C.
Coldest period: 12 am - 6 am 28°C.

Chance of precipitation

Highest chance: 12 pm 51%.

Hourly weather forecast

  • 12 am
  • 25°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 5km/hNNW 348°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 2 am
  • 25°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 4km/hNNW 346°
  • Humidity: 95%
  • Pressure: 1009mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 4 am
  • 24°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 3km/hN 355°
  • Humidity: 97%
  • Pressure: 1009mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunrise: 5:35 am
  • 6 am
  • 25°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 3km/hNNE 12°
  • Humidity: 96%
  • Pressure: 1010mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 8 am
  • 29°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 4km/hNNW 338°
  • Humidity: 81%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10 am
  • 31°C
  • Feels like:
    37°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 238°
  • Humidity: 72%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 12 pm
  • 31°C
  • Feels like:
    38°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 51%
  • Precipitation: 1mm
  • Wind: 14km/hSW 234°
  • Humidity: 69%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 9
  • ▼
  • 2 pm
  • 30°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 14km/hWSW 244°
  • Humidity: 73%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 4 pm
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 44%
  • Precipitation: 1mm
  • Wind: 10km/hSW 225°
  • Humidity: 77%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
Sunset: 5:30 pm
  • 6 pm
  • 27°C
  • Feels like:
    32°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 6km/hSSW 199°
  • Humidity: 85%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 8 pm
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 4km/hENE 78°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 10 pm
  • 26°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 2mm
  • Wind: 4km/hNNE 27°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of primarily overcast and occasionally rain-soaked and turbulent weather is expected.
Rain is forecasted from 12 pm to 2 pm, 4 pm, 5 pm, and from 8 pm to 11 pm. With light precipitation of 2mm, the most intense rain will be falling at 9 pm and 10 pm.
The temperature will vary between the lowest temperature of 24°C and the highest temperature of 31°C. The feels-like temperature will vary between the lowest temperature of 27°C and the highest temperature of 38°C. The hottest part of the day will be from 10 am to 1 pm.
The maximum temperature will be a couple of degrees higher than October's average high of 28.9°C. The lowest temperature is also similar to October's typical minimum of 24.2°C.
Updated: Oct 20, 2026 @ 08:38:20 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Siay, thunderstorms may form in the afternoon with sudden rainfall.

Moderate precipitation of 12mm is anticipated. The chance of rainfall is 54%.

Tomorrow, the maximum temperature in Siay will be 32°C, while the minimum temperature will be 24°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at 43°C.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 28.9°C in October. The lowest temperature will be in line with the average low of 24.2°C.

On Wednesday, in Siay, sunrise will be at 5:35 am and sunset at 5:30 pm (PST).

In Siay, Philippines, tomorrow, there will be 11h and 55min of daylight.