687
FNUS71 KAKQ 201809
FWSAKQ

Spot Forecast for 2026 Seawall Arts Show (Day 1)...Portsmouth Emergency Management
National Weather Service Wakefield VA
209 PM EDT Thu Aug 20 2026

Forecast is based on forecast start time of 0800 EDT on August 21.
If conditions become unrepresentative...contact the National Weather
Service at 757-899-5734.

.DISCUSSION...
Dry weather is expected during the morning and early afternoon. Shower
and thunderstorm chances will gradually increase later in the day,
with the highest precipitation chances after 5 PM. Scattered
showers and a few storms remain possible Friday night into early
Saturday morning. Severe weather looks unlikely, but localized
flooding is possible. Ahead of the thunderstorms, the wet bulb
globe temperature will peak around 82F then drop into the mid to
upper 70s Friday night.

.FRIDAY...

Sky/weather.........Partly sunny (60-70 percent). Chance of showers
                    and thunderstorms late in the afternoon.
Chance of pcpn......40 percent.
Max temperature.....Around 84.
Min humidity........72 percent.
Max apparent temp...91.
Surface winds (mph).Light winds becoming northeast around 6 mph
                    late in the morning.
Visibility..........7.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........70  67  64  69  74  71  68  56  56  66
Weather cov.....                        CHC CHC CHC CHC
Weather type....                        RW  RW  RW  RW
Tstm cov........                        CHC CHC CHC CHC
Chc of pcpn (%).10  10  10  10  10  10  30  30  30  40
Temp............76  77  79  80  82  82  83  83  84  83
RH..............90  87  85  82  77  77  74  74  72  74
Aparnt tmp (F)..80  81  83  84  88  88  90  90  91  90
Surface wnd dir.N   N   N   N   N   N   N   NE  NE  NE
Surface wnd spd.3   4   4   4   4   6   6   6   6   6
Surface wnd gst.6   7   7   7   7   7   8   8   8   9
Visibility (sm).7   7   7   7   7   7   7   7   7   7

.FRIDAY NIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Showers and
                    chance of thunderstorms.
Chance of pcpn......90 percent.
Min temperature.....Around 72.
Max humidity........100 percent.
Max apparent temp...88.
Surface winds (mph).East winds around 6 mph early in the evening
                    becoming light.
Visibility..........7 decreasing to 4 early in the evening.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........66  73  94  94  94  94  94  94  94  94  92  87
Weather cov.....CHC CHC DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH
Chc of pcpn (%).40  40  90  90  90  90  90  90  80  80  80  80
Temp............82  81  79  77  76  75  75  74  74  74  73  73
RH..............77  79  82  94  97  97  97  100 97  97  100 97
Aparnt tmp (F)..88  86  83  82  81  80  80  79  78  78  77  77
Surface wnd dir.E   E   E   E   E   SE  SE  E   E   SE  SE  SE
Surface wnd spd.6   4   3   3   3   2   2   2   2   2   2   3
Surface wnd gst.8   7   7   7   7   7   7   7   7   7   7   7
Visibility (sm).7   7   4   4   4   4   4   4   4   4   4   4

.SATURDAY...

Sky/weather.........Cloudy (85-95 percent). Slight chance of
                    thunderstorms in the morning. Showers through
                    the day. Chance of thunderstorms late in the
                    morning.
Chance of pcpn......80 percent.
Max temperature.....Around 85.
Min humidity........74 percent.
Max apparent temp...92.
Surface winds (mph).Light winds becoming southwest 6 to 7 mph late
                    in the morning.
Visibility..........4 increasing to 6 early in the morning.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........87  87  88  88  88  88  89  89  90  90  90  90
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC
Chc of pcpn (%).80  80  80  80  80  80  80  80  80  80  80  80
Temp............72  73  74  76  78  80  82  83  83  84  84  83
RH..............100 97  97  90  88  82  77  74  77  74  74  77
Aparnt tmp (F)..76  77  78  80  82  84  88  90  90  92  92  90
Surface wnd dir.SE  SE  SE  S   S   SW  SW  SW  SW  SW  SW  SW
Surface wnd spd.3   2   3   3   4   6   7   7   7   7   6   4
Surface wnd gst.7   7   7   7   7   8   8   9   9   9   8   8
Visibility (sm).4   4   6   6   6   6   6   6   6   6   6   6

$$
Forecaster...IYER
Requested by...Anna McRay
Type of request...OTHER
.TAG 2620021.0/AKQ
.DELDT 08/20/26
.FormatterVersion 2.0.0
.EMAIL rastt@portsmouthva.gov,monteithj@portsmouthva.gov,mcraya@portsmouthva.gov,yunkerj@portsmouthva.gov,wardc@portsmouthva.gov