Pago Pago, American Samoa Weather Conditions

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Current Conditions

  • 88°
  • Partly Cloudy
  • Wind: SSW 12 mph
  • Humidity: 59%
  • Visibility: 10.0 miles
  • Dew Point: 72°
  • Pressure: 29.98 in. -
  • Heat Index: 95

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Next 12 Hours

2  pm
5  pm
8  pm
11  pm
2  am
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Clear
Clear
88°
86°
82°
81°
79°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Monday
  • Rain Showers
  • High: 88 °
  • Low: 77 °
  • Rain Showers
  • Tuesday
  • Rain Showers
  • High: 88 °
  • Low: 75 °
  • Rain Showers
  • Wednesday
  • Chance of Rain
  • High: 86 °
  • Low: 75 °
  • Chance of Rain
  • Thursday
  • Chance of Rain
  • High: 88 °
  • Low: 75 °
  • Chance of Rain
  • Friday
  • Chance of Rain
  • High: 88 °
  • Low: 75 °
  • Chance of Rain

Forecast for Pago Pago, American Samoa

Updated: 11:00 PM HST on August 31, 2014

  • Monday

    Partly cloudy with rain showers. High of 88F. Winds from the North at 5 to 10 mph shifting to the West in the afternoon. Chance of rain 30%.

  • Monday Night

    Partly cloudy. Low of 77F. Winds less than 5 mph.

  • Tuesday

    Clear in the morning, then partly cloudy with rain showers. High of 88F. Winds less than 5 mph. Chance of rain 30%.

  • Tuesday Night

    Partly cloudy with rain showers. Low of 75F. Winds less than 5 mph. Chance of rain 30%.

  • Wednesday

    Partly cloudy with a chance of rain in the afternoon. High of 86F. Winds from the North at 5 to 10 mph shifting to the WNW in the afternoon. Chance of rain 30%.

  • Wednesday Night

    Overcast in the evening, then clear. Low of 75F. Winds from the North at 5 to 10 mph.

  • Thursday

    Partly cloudy with a chance of rain in the afternoon. High of 88F. Winds from the NNW at 5 to 10 mph. Chance of rain 20%.

  • Thursday Night

    Overcast in the evening, then partly cloudy. Low of 75F. Winds less than 5 mph.

  • Friday

    Clear in the morning, then partly cloudy with a chance of rain. High of 88F. Winds from the NW at 5 to 10 mph. Chance of rain 20%.

  • Friday Night

    Partly cloudy with a chance of a thunderstorm. Low of 75F. Winds from the NW at 5 to 10 mph. Chance of rain 40%.

  • Saturday

    Partly cloudy with a chance of a thunderstorm. High of 86F. Winds from the WNW at 5 to 10 mph. Chance of rain 50%.

  • Saturday Night

    Mostly cloudy with a chance of a thunderstorm. Low of 75F. Winds from the WNW at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.

  • Sunday

    Overcast with a chance of a thunderstorm. High of 86F. Winds from the NW at 5 to 10 mph. Chance of rain 60%.

  • Sunday Night

    Partly cloudy with a chance of a thunderstorm. Low of 75F. Winds from the NW at 5 to 10 mph. Chance of rain 50%.

  • Monday

    Partly cloudy with a chance of a thunderstorm. High of 86F. Winds from the WNW at 5 to 10 mph. Chance of rain 50%.

  • Monday Night

    Partly cloudy. Low of 75F. Winds from the North at 5 to 10 mph.

  • Tuesday

    Partly cloudy with a chance of a thunderstorm. High of 88F. Winds from the ENE at 5 to 10 mph. Chance of rain 20%.

  • Tuesday Night

    Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds from the East at 5 to 10 mph. Chance of rain 40%.

  • Wednesday

    Clear with a chance of a thunderstorm. High of 86F. Winds from the ENE at 5 to 10 mph. Chance of rain 40%.

  • Wednesday Night

    Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds from the East at 5 to 10 mph. Chance of rain 20%.

  • Thursday

    Clear with a chance of a thunderstorm. High of 86F. Winds from the ENE at 5 to 10 mph. Chance of rain 20%.

  • Thursday Night

    Clear with a chance of a thunderstorm. Low of 73F. Winds less than 5 mph. Chance of rain 20%.

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NWS Forecaster Discussion



AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
503 AM CHST TUE SEP 2 2014

.MARIANAS SYNOPSIS...
A WEAK MONSOONN TROUGH IS SITUATED NORTH OF SAIPAN...WITH LIGHT
WEST TO SOUTHWEST WINDS ACROSS THE MARIANAS. RADAR SHOWS ISOLATED
SHOWERS IN THE MARIANAS WATERS...MAINLY AROUND GUAM AND ROTA. SEAS
ARE RUNNING CLOSE TO 3 FEET ON THE BUOYS. 

&&

.DISCUSSION...
UPDATED WIND AND MARINE GRIDS FROM GFS AND WAVEWATCH...MAINLY TO
REFLECT SMALL CHANGES FROM THE PREVIOUS GRIDS. OVERALL FORECAST IS
MUCH THE SAME WITH LIGHT WEST TO SOUTHWEST WINDS BECOMING SOUTH
WEDNESDAY...ISOLATED SHOWERS AND THUNDERSTORMS...AND 3-4 FT SEAS
THROUGH WED NIGHT. DRYING ALOFT SHOULD KILL THE THUNDERSTORMS
THURSDAY ON...THOUGH GFS IS NOW INDICATING RETURNING MOISTURE OVER
THE WEEKEND. WINDS SHOULD COME AROUND TO NORTHEAST AGAIN LATE IN
THE WEEK AS THE MONSOON TROUGH RETREATS BACK TO THE WEST.

&&

.EASTERN MICRONESIA...
A SURFACE RIDGE TO THE WEST OF POHNPEI IS HELPING TO MAINTAIN 
PLEASANT CONDITIONS OVER THE STATE TODAY. FURTHER WEST...A WEAK 
IMPULSE EMBEDDED WITHIN THE TRADE WINDS WILL BRING AN UNSTABLE 
PATTERN TO KOSRAE TODAY. THE IMPULSE IS GENERATING SCATTERED SHOWERS 
JUST EAST OF KOSRAE THIS MORNING...A BIT EARLIER THAN PREVIOUSLY 
ANTICIPATED. THESE SHOWERS WILL CONTINUE TO DEVELOP AND SPREAD 
WESTWARD ACROSS KOSRAE AROUND MID MORNING. BASED ON LATEST SATELLITE 
AND MODEL RUN...SHOWER COVERAGE WILL DECREASE TO ISOLATED TONIGHT 
WITH MOST OF THE CONVECTION MOVING OUT OF THE REGION WEDNESDAY NIGHT 
OR EARLY THURSDAY. POHNPEI WILL BEGIN TO SEE INCREASING CLOUD COVER 
AND CONVECTION LATE TONIGHT AS THIS SYSTEM APPROACHES THE STATE. 
DRIER CONDITIONS WILL RETURN TO BOTH KOSRAE AND POHNPEI THURSDAY 
INTO THE WEEKEND. FOR MAJURO...A TRADE-WIND CONVERGENCE ZONE 
DEVELOPED TO THE EAST AND IS APPROACHING THE MARSHALLS. THIS ACTIVITY 
IS EXPECTED TO REACH MAJURO THIS EVENING WITH AN UNSTABLE PATTERN 
EXPECTED TO REMAIN OVER MAJURO THROUGH THE END OF THE WEEK. SHORT 
PERIODS OF SCATTERED SHOWERS ARE POSSIBLE THROUGH THE WEEK.

&&

.WESTERN MICRONESIA...
FAIR WEATHER RETURNED TO CHUUK AND WILL CONTINUE THERE THROUGH 
MIDWEEK. A WEAK TRADE-WIND DISTURBANCE CURRENTLY OVER EASTERN 
MICRONESIA WILL BEGIN TO AFFECT THE STATE WEDNESDAY NIGHT AND 
THURSDAY. THE PRIMARY SYSTEM AFFECTING WESTERN MICRONESIA IS THE 
WELL-ESTABLISHED MONSOONAL TROUGH AND CIRCULATION. THIS SYSTEM WILL 
MAINTAIN UNSTABLE CONDITIONS OVER YAP STATE AND PALAU THROUGH THE 
NEXT FEW DAYS. SOUNDING DATA FROM WSO KOROR SHOWS A DEEP LAYER OF
15 TO 25 KT WINDS THROUGH 550MB ALONG WITH EXTENSIVE MOISTURE
THROUGHOUT THE SOUNDING. GFS40 TIME HEIGHT SHOWS THIS CONTINUING
FOR THE NEXT FEW DAYS. CONVERGING WINDS SOUTH OF THE MONSOON TROUGH
AND THE ABUNDANT MOISTURE AT ALL LEVELS ARE EXPECTED TO PRODUCE
SCATTERED SHOWERS AND ISOLATED DEEP CONVECTION FROM AROUND NOON
TODAY THROUGH WEDNESDAY AT BOTH YAP AND KOROR. CONDITIONS WILL
BEGIN TO IMPROVE OVER BOTH LOCATIONS LATE WEDNESDAY OR THURSDAY.

LATEST ALTIMETRY DATA INDICATES SEAS OF 4 TO 6 FEET JUST WEST OF 
KOROR AND YAP. LATEST MODEL GUIDANCE HAS BACKED OFF A BIT ON SWELL 
HEIGHTS. BASED ON LATEST DATA...DELAYED INCREASE IN SEA HEIGHTS THAT 
WOULD BE SUFFICIENT TO PRODUCE SURF REACHING HAZARDOUS LEVELS UNTIL 
WEDNESDAY. THE SITUATION WILL CONTINUE TO BE CLOSELY MONITORED.

&&

.GUM WATCHES/WARNINGS/ADVISORIES...
GU...NONE.
MARIANAS WATERS...NONE.
&&

$$

MIDDLEBROOKE/KLEESCHULTE


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