| 15:41 EST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1018 mb (30.06 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KRHP 052041Z AUTO 04007KT 10SM BKN026 OVC034 02/M03 A3007 RMK AO2 |
| 15:21 EST |  Mostly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1018 mb (30.06 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KRHP 052021Z AUTO 01006G14KT 10SM BKN024 BKN029 BKN037 02/M02 A3007 RMK AO2 |
| 15:03 EST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1018 mb (30.06 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KRHP 052003Z AUTO 05007G16KT 10SM BKN026 OVC037 03/M02 A3006 RMK AO2 |
| 14:41 EST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1018 mb (30.06 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KRHP 051941Z AUTO 35006KT 10SM OVC026 02/M03 A3007 RMK AO2 |
| 14:21 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1018 mb (30.06 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KRHP 051921Z AUTO 35007KT 10SM OVC024 02/M02 A3006 RMK AO2 |
| 14:05 EST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1018 mb (30.06 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KRHP 051905Z AUTO 01003KT 10SM BKN024 OVC029 03/M02 A3005 RMK AO2 |
| 13:41 EST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1017 mb (30.03 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KRHP 051841Z AUTO 05006KT 10SM BKN026 OVC032 03/M02 A3004 RMK AO2 |
| 13:21 EST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1017 mb (30.03 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KRHP 051821Z AUTO 34006G15KT 10SM BKN026 BKN034 OVC047 03/M02 A3004 RMK AO2 |
| 13:05 EST |  Mostly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1017 mb (30.03 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KRHP 051805Z AUTO 36010G16KT 10SM SCT026 BKN047 03/M02 A3004 RMK AO2 |
| 12:41 EST |  Mostly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1017 mb (30.03 in) | NE 20 kph (NE 12.7 mph) | - | 10SM |
| | KRHP 051741Z AUTO 03011G17KT 10SM BKN028 BKN033 03/M02 A3003 RMK AO2 |
| 12:21 EST |  Mostly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1017 mb (30.03 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KRHP 051721Z AUTO 05007G17KT 10SM BKN030 BKN060 03/M02 A3004 RMK AO2 |
| 12:03 EST |  Partly Cloudy | 4°C / 39°F | -1°C / 30°F | 70% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRHP 051703Z AUTO 00000KT 10SM SCT030 SCT060 SCT090 04/M01 A3003 RMK AO2 |
| 11:44 EST |  Partly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1017 mb (30.03 in) | NE 22 kph (NE 13.8 mph) | - | 10SM |
| | KRHP 051644Z AUTO 05012G20KT 10SM SCT030 SCT065 SCT090 03/M02 A3004 RMK AO2 |
| 11:23 EST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1018 mb (30.06 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KRHP 051623Z AUTO 03007G17KT 10SM BKN028 OVC065 03/M02 A3005 RMK AO2 |
| 11:01 EST |  Mostly Cloudy | 3°C / 37°F | -1°C / 30°F | 75% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRHP 051601Z AUTO 00000KT 10SM SCT023 BKN028 BKN065 03/M01 A3004 RMK AO2 |
| 10:04 EST |  Overcast Light Rain | 2°C / 36°F | -1°C / 30°F | 81% | 1017 mb (30.03 in) | E 9 kph (E 5.8 mph) | 0.25 mm (0.01 in) | 10SM |
| | KRHP 051504Z AUTO 08005KT 10SM -RA SCT026 OVC046 02/M01 A3003 RMK AO2 P0001 |
| 09:21 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1017 mb (30.03 in) | E 9 kph (E 5.8 mph) | - | 2 1/2SM |
| | KRHP 051421Z AUTO 10005KT 2 1/2SM -SN SCT010 BKN015 OVC044 01/00 A3003 RMK AO2 |
| 09:04 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1017 mb (30.03 in) | Calm | - | 1 1/4SM |
| | KRHP 051404Z AUTO 00000KT 1 1/4SM -SN SCT004 BKN008 OVC018 01/00 A3002 RMK AO2 |
| 08:41 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1016 mb (30 in) | Calm | - | 1 1/2SM |
| | KRHP 051341Z AUTO 00000KT 1 1/2SM -SN BKN010 OVC017 01/00 A3001 RMK AO2 |
| 08:21 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1016 mb (30 in) | Calm | - | 1 1/4SM |
| | KRHP 051321Z AUTO 00000KT 1 1/4SM -SN OVC010 01/00 A3000 RMK AO2 |
| 07:21 EST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1015 mb (29.97 in) | W 15 kph (W 9.2 mph) | - | 4SM |
| | KRHP 051221Z AUTO 27008KT 4SM -RA OVC006 02/01 A2998 RMK AO2 |
| 06:43 EST |  Overcast Drizzle | 2°C / 36°F | 2°C / 36°F | 100% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | 0.25 mm (0.01 in) | 7SM |
| | KRHP 051143Z AUTO 25007KT 7SM -DZ BKN008 OVC011 02/02 A2996 RMK AO2 P0001 |
| 06:21 EST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1014 mb (29.94 in) | SSW 9 kph (SSW 5.8 mph) | 0.25 mm (0.01 in) | 7SM |
| | KRHP 051121Z AUTO 25005KT 7SM -RA OVC008 03/02 A2995 RMK AO2 P0001 |
| 06:02 EST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | Calm | - | 7SM |
| | KRHP 051102Z AUTO 00000KT 7SM -RA BKN008 BKN012 OVC016 03/02 A2996 RMK AO2 |
| 05:43 EST |  Overcast Drizzle | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | SSW 7 kph (SSW 4.6 mph) | 0.51 mm (0.02 in) | 7SM |
| | KRHP 051043Z AUTO 25004KT 7SM DZ SCT008 OVC016 03/02 A2998 RMK AO2 P0002 |
| 05:21 EST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | 0.25 mm (0.01 in) | 5SM |
| | KRHP 051021Z AUTO 24005KT 5SM -RA SCT008 OVC018 03/02 A2997 RMK AO2 P0001 |
| 04:44 EST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | W 9 kph (W 5.8 mph) | 0.25 mm (0.01 in) | 5SM |
| | KRHP 050944Z AUTO 27005KT 5SM -RA SCT010 OVC014 03/02 A2998 RMK AO2 P0001 |
| 04:21 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 7SM |
| | KRHP 050921Z AUTO 26007KT 7SM SCT014 OVC027 04/02 A2998 RMK AO2 |
| 03:43 EST |  Overcast Drizzle | 4°C / 39°F | 3°C / 37°F | 93% | 1015 mb (29.97 in) | Calm | - | 5SM |
| | KRHP 050843Z AUTO 00000KT 5SM -DZ BKN029 OVC036 04/03 A2997 RMK AO2 |
| 03:01 EST |  Overcast Light Rain | 4°C / 39°F | 2°C / 36°F | 87% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KRHP 050801Z AUTO 00000KT 10SM -RA OVC027 04/02 A2997 RMK AO2 |
| 02:43 EST |  Overcast Drizzle | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRHP 050743Z AUTO 00000KT 10SM -DZ OVC027 04/02 A2999 RMK AO2 |
| 02:21 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRHP 050721Z AUTO 00000KT 10SM OVC027 04/02 A2999 RMK AO2 |
| 02:03 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KRHP 050703Z AUTO 24004KT 10SM OVC025 04/02 A2999 RMK AO2 |
| 01:45 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KRHP 050645Z AUTO 25006KT 10SM OVC028 04/02 A2999 RMK AO2 |
| 01:21 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRHP 050621Z AUTO 00000KT 10SM OVC026 04/02 A2999 RMK AO2 |
| 01:01 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KRHP 050601Z AUTO 24003KT 10SM OVC026 04/02 A3000 RMK AO2 |
| 00:45 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRHP 050545Z AUTO 00000KT 10SM OVC026 04/02 A3000 RMK AO2 |
| 00:22 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1017 mb (30.03 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KRHP 050522Z AUTO 25003KT 10SM OVC028 04/02 A3003 RMK AO2 |