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: 13mm
  • Wind: 15km/hWSW 245°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 5:35 am PST
  • Sunset: 5:30 pm PST
  • ▼
Tomorrow, in Siay, rumbles of thunder are possible along with moderate rain in the afternoon.
The likelihood of rain is high, and precipitation will be moderate. The maximum temperature will be a hot 32°C, while the minimum temperature will be a warm 24°C.
The maximum heat index, which combines air temperature and relative humidity, is estimated at a torridly hot 43°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The expected maximum temperature will be relatively higher than October's typical high 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: 3 am - 6 am 28°C.

Chance of precipitation

Highest chance: 12 pm 51%.

Hourly weather forecast

  • 12 am
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 5km/hN 351°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 11km
  • 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:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 3km/hN 355°
  • Humidity: 96%
  • Pressure: 1009mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunrise: 5:35 am
  • 6 am
  • 25°C
  • Feels like:
    28°C
Mostly Cloudy
Mostly 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: 3km/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 237°
  • 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: 40%
  • Precipitation: 1mm
  • Wind: 15km/hWSW 243°
  • Humidity: 73%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 4 pm
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 45%
  • 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 200°
  • Humidity: 85%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 8 pm
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 4km/hENE 62°
  • Humidity: 91%
  • 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: 7km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of primarily cloud-filled and occasionally turbulent and rainy weather is forecasted.
Rain is forecasted from 12 pm to 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 a minimum of 24°C and a maximum of 31°C. The feels-like temperature will vary between the lowest temperature of 28°C and the highest temperature of 38°C. The hottest part of the day will be from 10 am to 1 pm.
The high will be slightly warmer than the normal maximum of 28.9°C for October. The temperature low is forecasted to be also similar to the usual October value of 24.2°C.
Updated: Oct 20, 2026 @ 09:55:17 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, cloud build-up may lead to afternoon thunderstorms.

Moderate precipitation of 13mm is predicted in Siay. The chance of rainfall is 54%.

Tomorrow, the highest temperature will be 32°C, while the lowest temperature will be 24°C. The maximum heat index, which measures the combined effect of heat and moisture, is assessed at 43°C.
The maximum temperature will be a few 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, the length of the day tomorrow will be 11h and 55min.