Weather forecast for 10 daysHagåtña, GU
Weather forecast for the weekend
Sunday Oct 18, 2026
- 82°F
- 79°F
Heavy Rain / Wind
- Precip. probability: 99%
- Precipitation: 4.45"
- Wind: 68mphSE 136°
- Humidity: 94%
- UV index: 6
- Sunrise: 6:11 am ChST
- Sunset: 6:00 pm ChST
- details ▼
On Sunday, October 18, wind-driven rainfall is anticipated, requiring rain gear and extra caution on the roads.
Extreme precipitation of 4.45" is forecasted for tomorrow. A narrow temperature span is predicted, from a high of a moderately hot 82.4°F to a low of a temperate 78.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a blazing 93.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow's top temperature is set to align with the common October high of 84.4°F.
Sunrise will be at 6:11 am and sunset at 6:00 pm; tomorrow's daylight will last for 11h and 49min.
Extreme precipitation of 4.45" is forecasted for tomorrow. A narrow temperature span is predicted, from a high of a moderately hot 82.4°F to a low of a temperate 78.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a blazing 93.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow's top temperature is set to align with the common October high of 84.4°F.
Sunrise will be at 6:11 am and sunset at 6:00 pm; tomorrow's daylight will last for 11h and 49min.
10-day overview
Daily temperatures
Maximum temperature: 86°C.
Coldest period: tomorrow - Monday 82°C.
Coldest period: tomorrow - Monday 82°C.
Chance of precipitation
Highest chance: today 100%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 79°F
Heavy Rain / Wind
- Precip. probability: 100%
- Precipitation: 2.83"
- Wind: 76mphNE 43°
- Humidity: 92%
- UV index: 0
- Sunrise: 6:11 am ChST
- Sunset: 6:01 pm ChST
- details ▼
- Sunday
- Oct 18, 2026
- 82°F
- 79°F
Heavy Rain / Wind
- Precip. probability: 99%
- Precipitation: 4.45"
- Wind: 68mphSE 136°
- Humidity: 94%
- UV index: 6
- Sunrise: 6:11 am ChST
- Sunset: 6:00 pm ChST
- details ▼
- Monday
- Oct 19, 2026
- 82°F
- 81°F
Showers / Wind
- Precip. probability: 92%
- Precipitation: 0.63"
- Wind: 21mphSSE 151°
- Humidity: 89%
- UV index: 6
- Sunrise: 6:12 am ChST
- Sunset: 5:59 pm ChST
- details ▼
- Tuesday
- Oct 20, 2026
- 86°F
- 79°F
PM Showers
- Precip. probability: 34%
- Precipitation: 0.08"
- Wind: 12mphESE 110°
- Humidity: 81%
- UV index: 10
- Sunrise: 6:12 am ChST
- Sunset: 5:59 pm ChST
- details ▼
- Wednesday
- Oct 21, 2026
- 86°F
- 79°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0.04"
- Wind: 11mphNE 55°
- Humidity: 81%
- UV index: 10
- Sunrise: 6:12 am ChST
- Sunset: 5:58 pm ChST
- details ▼
- Thursday
- Oct 22, 2026
- 86°F
- 79°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 12mphNE 54°
- Humidity: 81%
- UV index: 11
- Sunrise: 6:12 am ChST
- Sunset: 5:58 pm ChST
- details ▼
- Friday
- Oct 23, 2026
- 84°F
- 79°F
Isolated Thunderstorms
- Precip. probability: 32%
- Precipitation: 0.16"
- Wind: 12mphENE 64°
- Humidity: 82%
- UV index: 11
- Sunrise: 6:12 am ChST
- Sunset: 5:57 pm ChST
- details ▼
- Saturday
- Oct 24, 2026
- 86°F
- 79°F
Scattered Thunderstorms
- Precip. probability: 52%
- Precipitation: 0.31"
- Wind: 10mphENE 73°
- Humidity: 83%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:57 pm ChST
- details ▼
- Sunday
- Oct 25, 2026
- 84°F
- 79°F
Scattered Thunderstorms
- Precip. probability: 39%
- Precipitation: 0.28"
- Wind: 7mphE 80°
- Humidity: 82%
- UV index: 10
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
- Monday
- Oct 26, 2026
- 86°F
- 79°F
Showers
- Precip. probability: 44%
- Precipitation: 0.12"
- Wind: 6mphENE 70°
- Humidity: 81%
- UV index: 11
- Sunrise: 6:13 am ChST
- Sunset: 5:56 pm ChST
- details ▼
The weather will be unstable for the next ten days, and a mix of rainy, thunderstorm-prone, cloudy and sunny weather is forecasted.
Rain is predicted day-to-day, with daily precipitation varying from a minimal 0.04" to a maximum of 4.45".
The maximum temperature will be very similar in the coming days. The maximum temperature will vary between 82.4°F and 86°F, while the overnight low will be also nearly unchanged, as the minimum temperature is expected to range between 78.8°F and 80.6°F.
With a maximum temperature of 86°F, Tuesday through Thursday, next Saturday and Monday will be the hottest days in Hagåtña; the coldest days will be Sunday and Monday, with a maximum of 82.4°F.
Combining with the humidity, the maximum feel-like temperature may increase substantially and range between a hot 93.2°F and a torrid 102.2°F.
Rain is predicted day-to-day, with daily precipitation varying from a minimal 0.04" to a maximum of 4.45".
The maximum temperature will be very similar in the coming days. The maximum temperature will vary between 82.4°F and 86°F, while the overnight low will be also nearly unchanged, as the minimum temperature is expected to range between 78.8°F and 80.6°F.
With a maximum temperature of 86°F, Tuesday through Thursday, next Saturday and Monday will be the hottest days in Hagåtña; the coldest days will be Sunday and Monday, with a maximum of 82.4°F.
Combining with the humidity, the maximum feel-like temperature may increase substantially and range between a hot 93.2°F and a torrid 102.2°F.
Updated: Oct 17, 2026 @ 13:36:55 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in Hagåtña, windy and rainy conditions are expected, increasing the risk of water pooling on roads.
Yes, it will rain tomorrow. Weather alert - extreme precipitation of 4.45" is predicted.
Tomorrow, the maximum temperature will be 82.4°F, while the minimum temperature will be 78.8°F. The maximum heat index, which measures the combined effect of heat and moisture, is assessed at 93.2°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a couple of degrees lower than the average low temperature.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a couple of degrees lower than the average low temperature.
On Sunday, in Hagåtña, sunrise will be at 6:11 am and sunset at 6:00 pm (ChST).
In Hagåtña, the length of the day tomorrow will be 11h and 49min.





