958  
FNUS71 KLWX 221106  
FWSLWX  
 
SPOT FORECAST FOR FORT DUPONT SUMMER CONCERT #1...NATIONAL PARK SERVICE - NATIONAL CAPITAL  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
706 AM EDT FRI AUG 22 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON AUGUST 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
DRY CONDITIONS CONTINUE THROUGH SATURDAY AS HIGH PRESSURE BUILDS  
OVERHEAD. ANOTHER COLD FRONT IS SET TO CROSS SUNDAY INTO MONDAY  
BRINGING THE POTENTIAL FOR SHOWERS AND THUNDERSTORMS. A STRONG  
DOME OF CANADIAN HIGH PRESSURE BUILDS THEREAFTER FOR MUCH OF NEXT  
WEEK.  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........46 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTH 6 TO 10 MPH LATE IN  
THE MORNING.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........7 6 12 17 20 23 26 22 19 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0  
TEMP............65 68 73 77 80 81 82 83 83 83  
RH..............87 84 71 60 52 49 47 46 47 49  
SURFACE WND DIR.S S S S S S S S S S  
SURFACE WND SPD.2 2 3 6 7 7 8 9 10 10  
SURFACE WND GST.5 6 7 9 10 12 13 15 16 17  
   
SATURDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...2 PERCENT.  
MIN TEMPERATURE.....AROUND 68.  
MAX HUMIDITY........97 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS 5 TO 10 MPH.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........17 20 22 22 23 23 26 28 31 33 35 37  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............81 78 76 74 73 72 71 71 70 70 69 68  
RH..............54 60 66 71 76 79 81 81 84 84 90 93  
SURFACE WND DIR.S SE SE SE S S S S S S S S  
SURFACE WND SPD.10 9 8 7 7 6 6 6 6 6 5 5  
SURFACE WND GST.17 17 16 15 15 14 13 13 12 12 10 10  
 
 
FORECASTER...ROSA  
REQUESTED BY...RUHI ELLIS  
TYPE OF REQUEST...OTHER  
.TAG 2520396.0/LWX  
.DELDT 08/22/25  
.FORMATTERVERSION 2.0.0  
.EMAIL RUHI_ELLIS@NPS.GOV  
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