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Apra Harbor, Guam weather

Santa Rita · 2,930 inhabitants · Saturday, November 7 · updated 05:53

Air: Good High storm risk · Mon, Tue, Wed

25°

Mainly clear

Feels like 34°C

Wind

3 km/h

Gusts

3 km/h

Humidity

80 %

Pressure

1013 hPa

Clouds

25 %

Storm

Rise 06:17 Set 17:52 Day 11 h 35 min UV 9 · Very high

Apra Harbor, Guam 14-day forecast

Trend

Night

Mainly clear

28°25°

Feels like 37°

Wind ↑ NE 8 km/h

Humidity 74 %

Morning

Mainly clear

28°25°

Feels like 38°

Wind ↑ SE 9 km/h

Humidity 72 %

Afternoon

Clear sky

29°28°

Feels like 39°

Wind ↑ ESE 9 km/h

Humidity 69 %

💧 0.2 mm

Evening

Mainly clear

29°26°

Feels like 39°

Wind ↑ ENE 11 km/h

Humidity 72 %

10:00

28°

SE 9

13:00

28°

0.1mm

ESE 1

16:00

29°

0.1mm

ESE 9

19:00

26°

E 6

22:00

29°

ENE 11

01:00

26°

ESE 11

04:00

28°

ENE 19

07:00

26°

E 17

Rain radar around Apra Harbor, Guam

Rain observed over the last two hours by official weather radars around Apra Harbor, Guam, followed by the radar forecast for the next hour where the weather service provides one.

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Rain radar Last two hours, then forecast where available · drag the timeline

Air you breathe in Apra Harbor, Guam: pollution and pollen

1/6

Good

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.55µg/m³

PM109µg/m³

Copernicus CAMS model, updated several times a day.

Apra Harbor, Guam forecast in charts · next 7 days

The week ahead: highs and lows

≈ A week close to the usual temperatures

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Moon over Apra Harbor, Guam

Waning crescent

6 % illuminated · 27.3 days

Rise 04:16 Set 16:15

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Wed 11/11 3%

Thu 12/11 8%

Fri 13/11 15%

Sat 14/11 23%

Sun 15/11 33%

Mon 16/11 43%

Tue 17/11 54% First quarter

Wed 18/11 64%

Thu 19/11 74%

Moonrise and moonset in local time (Pacific/Guam); phase and lit fraction from a synodic calculation.

Sea and tides near Apra Harbor, Guam

Tide station used: Apra Harbor, Guam

Tide times in Apra Harbor, Guam

🌊 Sea surface

29.0 °C

satellite, 7/11

Sea state

Slight

waves 1.3 m

Period

11 s

Swell

1.3 m

FriFri 06/11

Low tide 11:19 0.2 m

High tide 17:26 0.7 m

TodaySat 07/11

Low tide 00:19 0.0 m

High tide 06:44 0.6 m

Low tide 12:08 0.3 m

High tide 17:52 0.7 m

TomorrowSun 08/11

Low tide 00:54 -0.1 m

High tide 07:36 0.6 m

Low tide 12:53 0.4 m

High tide 18:17 0.7 m

MonMon 09/11

Low tide 01:27 -0.1 m

High tide 08:21 0.7 m

Low tide 13:36 0.4 m

High tide 18:42 0.7 m

Heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest.

Look up a past day in Apra Harbor, Guam

Curious about the weather in Apra Harbor, Guam on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Apra Harbor, Guam weather at a glance

This page gathers everything about the weather in Apra Harbor, Guam, Santa Rita: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 25 °C (feels like 34 °C) and the wind blows at 3 km/h.

Expected range today: 26 °C to 29 °C and a dry sky; keep an eye on thunderstorms. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms, plus the tide times for Apra Harbor, Guam.

Apra Harbor, Guam weather data for developers

Use the Apra Harbor, Guam forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

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Where does this forecast come from? Our engine, checked every day against 1124 weather stations