| 18:52 EST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | E 33 kph (E 20.7 mph) | 0.76 mm (0.03 in) | 5SM |
| | KNHK 252352Z AUTO 09018G23KT 5SM -RA BR BKN008 OVC041 08/07 A3000 RMK AO2 SLP157 P0003 60014 T00780067 10078 20050 58024 $ |
| 18:28 EST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | E 28 kph (E 17.3 mph) | 0.51 mm (0.02 in) | 6SM |
| | KNHK 252328Z AUTO 09015G21KT 6SM -RA BR OVC008 08/07 A3001 RMK AO2 CIG 007V011 P0002 $ |
| 18:05 EST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1017 mb (30.03 in) | E 24 kph (E 15 mph) | 0.00 mm (0.00 in) | 7SM |
| | KNHK 252305Z AUTO 08013KT 7SM -RA BKN010 BKN036 OVC047 07/06 A3003 RMK AO2 P0000 $ |
| 17:52 EST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1017 mb (30.03 in) | E 22 kph (E 13.8 mph) | 2.79 mm (0.11 in) | 5SM |
| | KNHK 252252Z AUTO 08012G18KT 5SM -RA BR FEW012 SCT036 OVC047 07/06 A3004 RMK AO2 SLP174 P0011 T00720061 $ |
| 16:52 EST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1018 mb (30.06 in) | E 19 kph (E 11.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KNHK 252152Z AUTO 08010KT 9SM -RA FEW043 BKN055 OVC095 07/06 A3005 RMK AO2 RAB35 SLP176 P0000 T00720061 $ |
| 15:52 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1018 mb (30.06 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KNHK 252052Z AUTO 08008KT 10SM FEW027 BKN038 OVC047 07/05 A3007 RMK AO2 PRESFR SLP181 T00670050 58031 $ |
| 15:14 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1020 mb (30.12 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KNHK 252014Z AUTO 08009KT 10SM BKN027 OVC049 07/05 A3012 RMK AO2 $ |
| 14:52 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1020 mb (30.12 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KNHK 251952Z AUTO 08007KT 10SM FEW020 SCT033 OVC049 07/05 A3013 RMK AO2 SLP203 T00720050 $ |
| 14:11 EST |  Mostly Cloudy | 7°C / 45°F | 5°C / 41°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KNHK 251911Z AUTO 00000KT 10SM SCT004 BKN031 BKN110 07/05 A3013 RMK AO2 PRESRR $ |
| 13:52 EST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1019 mb (30.09 in) | Variable 9 kph (Variable 5.8 mph) | - | 4SM |
| | KNHK 251852Z AUTO VRB05KT 4SM BR OVC004 06/05 A3010 RMK AO2 SLP192 T00610050 $ |
| 13:32 EST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1019 mb (30.09 in) | NE 13 kph (NE 8.1 mph) | - | 2SM |
| | KNHK 251832Z AUTO 04007KT 2SM BR OVC002 06/04 A3010 RMK AO2 PRESFR $ |
| 13:27 EST |  Overcast Fog And Mist | 5°C / 41°F | 4°C / 39°F | 93% | 1020 mb (30.12 in) | ENE 11 kph (ENE 6.9 mph) | - | 1 1/4SM |
| | KNHK 251827Z AUTO 06006KT 1 1/4SM BR OVC002 05/04 A3012 RMK AO2 CIG 001V005 $ |
| 13:16 EST |  Overcast Fog And Mist | 5°C / 41°F | 4°C / 39°F | 93% | 1020 mb (30.12 in) | ENE 13 kph (ENE 8.1 mph) | - | 3/4SM |
| | KNHK 251816Z AUTO 07007KT 3/4SM BR OVC002 05/04 A3013 RMK AO2 PRESFR $ |
| 12:52 EST |  Overcast Fog And Mist | 5°C / 41°F | 4°C / 39°F | 93% | 1021 mb (30.15 in) | NE 9 kph (NE 5.8 mph) | - | 1 1/4SM |
| | KNHK 251752Z AUTO 05005KT 1 1/4SM BR OVC002 05/04 A3016 RMK AO2 SLP212 T00500039 10050 20022 58037 $ |
| 12:35 EST |  Overcast Fog And Mist | 5°C / 41°F | 4°C / 39°F | 93% | 1022 mb (30.18 in) | NE 11 kph (NE 6.9 mph) | - | 1 3/4SM |
| | KNHK 251735Z AUTO 05006KT 1 3/4SM BR OVC002 05/04 A3017 RMK AO2 $ |
| 12:19 EST |  Overcast Fog And Mist | 5°C / 41°F | 4°C / 39°F | 93% | 1022 mb (30.18 in) | ENE 13 kph (ENE 8.1 mph) | - | 2 1/2SM |
| | KNHK 251719Z AUTO 06007KT 2 1/2SM BR OVC004 05/04 A3019 RMK AO2 $ |
| 11:52 EST |  Overcast Fog And Mist | 5°C / 41°F | 4°C / 39°F | 93% | 1023 mb (30.21 in) | ENE 13 kph (ENE 8.1 mph) | - | 3SM |
| | KNHK 251652Z AUTO 06007KT 3SM BR OVC004 05/04 A3021 RMK AO2 SLP231 T00500039 $ |
| 10:52 EST |  Overcast Fog And Mist | 4°C / 39°F | 3°C / 37°F | 93% | 1025 mb (30.27 in) | ENE 11 kph (ENE 6.9 mph) | - | 4SM |
| | KNHK 251552Z AUTO 06006KT 4SM BR OVC004 04/03 A3026 RMK AO2 SLP246 T00440028 $ |
| 10:28 EST |  Mostly Cloudy Fog And Mist | 4°C / 39°F | 3°C / 37°F | 93% | 1025 mb (30.27 in) | ENE 11 kph (ENE 6.9 mph) | - | 5SM |
| | KNHK 251528Z AUTO 06006KT 5SM BR BKN006 BKN037 04/03 A3026 RMK AO2 $ |
| 10:10 EST |  Partly Cloudy Fog And Mist | 4°C / 39°F | 2°C / 36°F | 87% | 1025 mb (30.27 in) | NE 13 kph (NE 8.1 mph) | - | 5SM |
| | KNHK 251510Z AUTO 05007KT 5SM BR SCT006 04/02 A3026 RMK AO2 $ |
| 09:52 EST |  Overcast Fog And Mist | 4°C / 39°F | 2°C / 36°F | 87% | 1025 mb (30.27 in) | NE 15 kph (NE 9.2 mph) | - | 6SM |
| | KNHK 251452Z AUTO 05008KT 6SM BR OVC006 04/02 A3027 RMK AO2 SLP249 T00390022 56023 $ |
| 08:52 EST |  Overcast Fog And Mist | 3°C / 37°F | 1°C / 34°F | 87% | 1026 mb (30.3 in) | NE 17 kph (NE 10.4 mph) | - | 5SM |
| | KNHK 251352Z AUTO 03009KT 5SM BR OVC008 03/01 A3030 RMK AO2 SLP259 T00280006 $ |
| 08:25 EST |  Overcast Fog And Mist | 3°C / 37°F | 1°C / 34°F | 87% | 1026 mb (30.3 in) | Calm | - | 6SM |
| | KNHK 251325Z AUTO 00000KT 6SM BR OVC008 03/01 A3030 RMK AO2 $ |
| 07:52 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1025 mb (30.27 in) | NE 24 kph (NE 15 mph) | - | 7SM |
| | KNHK 251252Z AUTO 04013KT 7SM OVC010 02/M01 A3026 RMK AO2 PRESFR SLP246 T00221006 $ |
| 07:22 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1027 mb (30.33 in) | NE 13 kph (NE 8.1 mph) | - | 9SM |
| | KNHK 251222Z AUTO 04007KT 9SM BKN012 OVC018 02/M01 A3032 RMK AO2 $ |
| 06:52 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1027 mb (30.33 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KNHK 251152Z AUTO 02005KT 10SM OVC016 02/M01 A3033 RMK AO2 SLP272 T00221006 10028 20011 53002 $ |
| 05:52 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1026 mb (30.3 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KNHK 251052Z AUTO 36004KT 10SM OVC018 02/M01 A3031 RMK AO2 SLP264 T00221006 CHINO RY24 VISNO RY24 $ |
| 04:52 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1027 mb (30.33 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KNHK 250952Z AUTO 33003KT 10SM OVC029 02/M01 A3032 RMK AO2 SLP268 T00221011 $ |
| 03:52 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1027 mb (30.33 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KNHK 250852Z AUTO 03006KT 10SM OVC027 02/M02 A3033 RMK AO2 SLP270 T00171017 58023 $ |
| 02:52 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1028 mb (30.36 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KNHK 250752Z AUTO 36005KT 10SM OVC025 02/M01 A3037 RMK AO2 SLP283 T00221011 $ |
| 01:52 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1029 mb (30.39 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KNHK 250652Z AUTO 36003KT 10SM OVC019 02/M02 A3038 RMK AO2 SLP286 T00171017 $ |
| 00:52 EST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KNHK 250552Z AUTO 00000KT 10SM OVC019 01/M02 A3040 RMK AO2 SLP293 T00111017 10017 21022 53003 $ |