Today, 12 September, Saturday, in Hagåtña (Guam): cloudy, light rain in places, hot. During the day the air will warm up to +33°, at night around +26°. Due to high humidity it feels like +36°. UV is high (index 6) — sunscreen will come in handy in the sun. Wind up to 14 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +30° — great for swimming. The sun will rise at 06:09 and set at 18:24 — daylight lasts 12 hours.
Hourly weather in Hagåtña
100%15
100%16
91%17
77%18
61%19
41%20
20%21
4%22
0%23
0%00
2%01
3%02
5%03
6%04
3%05
0%06
0%07
11%08
28%09
45%10
63%11
83%12
96%13
100%14
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Hagåtña for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
🌦️
💧 100%
+26°+33°
Morning
🌦️
+29°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+26°
Rain showers · precipitation 100% · wind up to 14 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Tomorrow 13.9
🌦️
💧 100%
+26°+32°
Morning
☀️
+29°
Day
🌦️
+32°
Evening
🌇
+28°
Night
🌙
+26°
Drizzle · precipitation 100% · wind up to 7 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Mon 14.9
🌦️
💧 95%
+25°+32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+30°
Night
🌙
+25°
Rain showers · precipitation 95% · wind up to 11 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Tue 15.9
⛈️
💧 91%
+25°+31°
Morning
⛈️
+27°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Thunderstorm · precipitation 91% · wind up to 10 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Wed 16.9
🌦️
💧 87%
+25°+31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Drizzle · precipitation 87% · wind up to 17 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 17.9
🌦️
💧 94%
+26°+32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+31°
Night
🌙
+26°
Drizzle · precipitation 94% · wind up to 22 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Fri 18.9
🌦️
💧 96%
+26°+31°
Morning
🌦️
+28°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+26°
Drizzle · precipitation 96% · wind up to 23 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sat 19.9
🌦️
💧 94%
+26°+31°
Morning
🌦️
+28°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+26°
Drizzle · precipitation 94% · wind up to 20 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sun 20.9
🌦️
💧 88%
+26°+31°
Morning
🌦️
+28°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+26°
Drizzle · precipitation 88% · wind up to 17 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Mon 21.9
⛈️
💧 88%
+26°+32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+31°
Night
🌙
+26°
Thunderstorm · precipitation 88% · wind up to 10 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Tue 22.9
🌦️
💧 92%
+25°+32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+30°
Night
🌙
+25°
Drizzle · precipitation 92% · wind up to 14 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Wed 23.9
🌦️
💧 90%
+25°+31°
Morning
🌦️
+27°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Drizzle · precipitation 90% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 24.9
🌦️
💧 92%
+26°+30°
Morning
🌦️
+27°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+26°
Drizzle · precipitation 92% · wind up to 11 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 25.9
🌦️
💧 90%
+26°+31°
Morning
🌦️
+28°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+26°
Drizzle · precipitation 90% · wind up to 15 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
0 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 30° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
54%
high · moderate
☂️ Rain
100%
likely · high
✨ Stars
18 / 100
evening visibility · Bad
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
10
Excellent air
European AQI
PM2.5: 2PM10: 4O₃: 30NO₂: 0
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:09
Sunset
18:24
Golden hour
17:56
Daylight
12 h (-1 min vs yesterday)
Sea temperature
+30°
🌊 slight, waves 0.7 m.
Hagåtña climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+27°
+26°
Jan
+27°
+25°
Feb
+28°
+26°
Mar
+28°
+26°
Apr
+29°
+26°
May
+29°
+26°
Jun
+29°
+26°
Jul
+28°
+26°
Aug
+28°
+26°
Sep
+28°
+26°
Oct
+28°
+26°
Nov
+28°
+26°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
+27°
+26°
+29°
74 mm
Warm and comfortable: +27° by day, +26° at night. It's a rainy month (74 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. Weather-wise, one of the three best months to visit.
February
+27°
+25°
+28°
57 mm
Gentle warmth — about +27° daytime, great walking weather. 😊 light summer clothing. Water at +28° — great for swimming. This is the coldest month of the year.
March
+28°
+26°
+28°
48 mm
A comfortable month: +28° by day without exhausting heat. 😊 light summer clothing. Water at +28° — great for swimming. Weather-wise, one of the three best months to visit.
April
+28°
+26°
+29°
74 mm
Warm and comfortable: +28° by day, +26° at night. It's a rainy month (74 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming.
May
+29°
+26°
+29°
89 mm
Gentle warmth — about +29° daytime, great walking weather. Frequent rain (89 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming.
June
+29°
+26°
+30°
148 mm
A comfortable month: +29° by day without exhausting heat. One of the wettest months (148 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Hagåtña.
July
+29°
+26°
+30°
292 mm
Warm and comfortable: +29° by day, +26° at night. It's a rainy month (292 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath.
August
+28°
+26°
+30°
372 mm
Gentle warmth — about +28° daytime, great walking weather. Frequent rain (372 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. Statistically the wettest month of the year.
September
+28°
+26°
+30°
341 mm
A comfortable month: +28° by day without exhausting heat. One of the wettest months (341 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath.
October
+28°
+26°
+30°
300 mm
Warm and comfortable: +28° by day, +26° at night. It's a rainy month (300 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath.
November
+28°
+26°
+29°
179 mm
Gentle warmth — about +28° daytime, great walking weather. Frequent rain (179 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming.
December
+28°
+26°
+29°
100 mm
A comfortable month: +28° by day without exhausting heat. One of the wettest months (100 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming. The shortest daylight of the year — it gets dark early.
When to visit Hagåtña
✅ Recommended time to visit
🌟 Best time: January, February, March
Daytime air+27…+28°
Sea temperature+28…+29°
Precipitationoften
Why: comfortable +27…+28° by day, little rain, warm sea (+28…29°).
⚠️ Doable, with caveats
🌤️ Shoulder season: April, May, June, July, November, December
Daytime air+28…+29°
Sea temperature+29…+30°
Precipitationoften
Why: noticeable rain risk (74–292 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: August, September, October
Daytime air+28…+28°
Sea temperature+30…+30°
Precipitationoften
Why: the rainy season (300–372 mm/month) — downpours almost daily.
Bottom line: the best time to visit Hagåtña is January – March, and the most comfortable months are January, February, March. The toughest months to visit are August, September, October: frequent rain.
🌡️ Today vs the climate normal
Today's high
+33°
Normal for September
+28°
Deviation
5° warmer than normal
A year ago on this day
+32°
Record for this date
+32° (2025)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Hagåtña
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.