KDCA - Washington/Reagan-National Arpt, VA, US
| Potential Impact | None | Slight | Moderate | High |
| Time | 16/15Z | 16/16Z | 16/17Z | 16/18Z | 16/19Z | 16/20Z | 16/21Z | 16/22Z | 16/23Z | 17/00Z | 17/01Z | 17/02Z | 17/03Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 59 | 61 | 64 | 65 | 65 | 65 | 64 | 62 | 60 | 57 | 56 | 55 | 51 |
| Dewpt | 36 | 35 | 35 | 32 | 28 | 29 | 30 | 29 | 30 | 32 | 32 | 33 | 34 |
| Altim | 1018.7 | 1018.4 | 1017.7 | 1017 | 1016 | 1015.7 | 1015.7 | 1016 | 1016.3 | 1016.7 | 1017 | 1017.4 | 1018 |
| VIS | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cover | CLR | CLR | CLR | CLR | CLR | CLR | CLR | CLR | CLR | CLR | CLR | CLR | CLR |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 340 | 330 | 350 | 340 | 10 | 360 | 320 | 340 | 350 | 350 | 350 | 340 | 350 |
| WSpd | 17 | 10 | 11 | 19 | 17 | 15 | 16 | 16 | 12 | 9 | 9 | 8 | 7 |
| WGst | -- | 19 | 22 | 24 | 24 | -- | -- | -- | -- | -- | -- | -- | -- |
METAR KDCA 161452Z 34017KT 10SM CLR 15/02 A3008 RMK AO2 SLP185 T01500022 50000 $
METAR KDCA 161552Z 33010G19KT 10SM CLR 16/02 A3007 RMK AO2 SLP181 T01610017 $
METAR KDCA 161652Z 35011G22KT 10SM CLR 18/02 A3005 RMK AO2 SLP175 T01780017 $
METAR KDCA 161752Z 34019G24KT 10SM CLR 18/00 A3003 RMK AO2 SLP167 T01830000 10183 20106 58018 $
METAR KDCA 161852Z 01017G24KT 10SM CLR 18/M02 A3000 RMK AO2 PK WND 33027/1759 SLP157 T01831022 $
METAR KDCA 161952Z 36015KT 10SM CLR 18/M02 A2999 RMK AO2 SLP156 T01831017 $
METAR KDCA 162052Z 32016KT 10SM CLR 18/M01 A2999 RMK AO2 SLP154 T01781011 56014 $
METAR KDCA 162152Z 34016KT 10SM CLR 17/M02 A3000 RMK AO2 SLP160 T01671017 $
METAR KDCA 162252Z 35012KT 10SM CLR 16/M01 A3001 RMK AO2 SLP163 T01561011 $
METAR KDCA 162352Z 35009KT 10SM CLR 14/00 A3002 RMK AO2 SLP166 T01390000 10189 20139 51012 $
METAR KDCA 170052Z 35009KT 10SM CLR 13/00 A3003 RMK AO2 SLP169 T01330000 $
METAR KDCA 170152Z 34008KT 10SM CLR 13/01 A3004 RMK AO2 SLP173 T01280006 $
METAR KDCA 170252Z 35007KT 10SM CLR 11/01 A3006 RMK AO2 SLP178 T01060011 53012 $