Live Weather & Forecast
Weather in San Guillermo
Isabela, Philippines · Real-time conditions & 3-day outlook
39°C
Feels like 39°C
102°F / Feels 103°F
Sunny
San Guillermo, Isabela
🌞 Daytime
Updated: 2026-05-03 13:30
Humidity
23%
Wind
4.3 km/h N
Wind Gust
5 km/h
Pressure
1008 mb
Visibility
10 km
UV Index
11.4
(Extreme)
Precipitation
0 mm
Cloud Cover
4%
Dew Point
14.1°C
Wind Degree
10°
Air Quality Index
US EPA: Unhealthy for Sensitive Groups
UK DEFRA: Moderate (6)
CO
138.9 μg/m³
NO₂
28.8 μg/m³
O₃
6 μg/m³
SO₂
3.7 μg/m³
PM 2.5
51.2 μg/m³
PM 10
52.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Guillermo, Isabela
12 AM
24°
Clear
1 AM
23°
Clear
2 AM
23°
Clear
3 AM
23°
Clear
4 AM
22°
Clear
5 AM
22°
Clear
6 AM
23°
Sunny
7 AM
26°
Sunny
8 AM
29°
Sunny
9 AM
32°
Sunny
10 AM
34°
Sunny
11 AM
36°
Sunny
12 PM
38°
Sunny
1 PM
39°
Sunny
2 PM
39°
Sunny
3 PM
39°
Sunny
4 PM
39°
Sunny
5 PM
37°
Sunny
6 PM
32°
Sunny
7 PM
29°
Clear
8 PM
27°
Clear
9 PM
26°
Clear
10 PM
25°
Clear
11 PM
25°
Clear
3-Day Forecast
Daily overview for San Guillermo, Isabela
Today
Sunny
39°
/
22°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 12.6
🌅 Sunrise: 05:28 AM
🌇 Sunset: 06:13 PM
🌙 Waning Gibbous
🌑 Moon: 98% lit
Mon, May 4
Sunny
38°
/
24°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 12.4
🌅 Sunrise: 05:27 AM
🌇 Sunset: 06:13 PM
🌙 Waning Gibbous
🌑 Moon: 95% lit
Tue, May 5
Sunny
38°
/
23°
🌧️ 0% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:27 AM
🌇 Sunset: 06:14 PM
🌙 Waning Gibbous
🌑 Moon: 90% lit
Best Time to Visit San Guillermo
Plan your trip to San Guillermo, Philippines around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in San Guillermo?
Current conditions in San Guillermo: Sunny, temperature 39°C, humidity 23%.
What is the best time to visit San Guillermo?
The best time to visit San Guillermo is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in San Guillermo?
San Guillermo is located at approximately 16.7° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in San Guillermo?
The wettest period in San Guillermo is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to San Guillermo?
For visits to San Guillermo during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is San Guillermo in?
San Guillermo is located in Philippines, in the state of Isabela.
What are the public holidays in San Guillermo in 2026?
View the 2026 public holidays for San Guillermo on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Guillermo?
The weather forecast for San Guillermo uses coordinates 16.721, 121.8095.
What is the current temperature outside in San Guillermo?
The current outdoor temperature in San Guillermo is 39°C (102°F) with sunny.
What is the hourly weather forecast for San Guillermo today?
Today's hour-by-hour weather breakdown for San Guillermo is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in San Guillermo tomorrow hour by hour?
Tomorrow's forecast for San Guillermo shows a high of 38°C and a low of 24°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in San Guillermo?
Rain is not expected in San Guillermo today. Current forecast shows no significant rain probability.
Is it going to rain today in San Guillermo?
No, rain is not forecast for San Guillermo today. Current conditions show clear to partly cloudy skies.