| 14:54 EST |  Overcast Light Rain | 5°C / 41°F | 2°C / 36°F | 81% | 1014 mb (29.94 in) | NE 33 kph (NE 20.7 mph) | 0.76 mm (0.03 in) | 9SM |
| | KBOS 051954Z 03018G23KT 9SM -RA FEW018 BKN020 OVC026 05/02 A2995 RMK AO2 PK WND 04026/1940 SLP140 P0003 T00500017 |
| 13:54 EST |  Overcast Light Rain | 6°C / 43°F | 2°C / 36°F | 76% | 1015 mb (29.97 in) | NE 33 kph (NE 20.7 mph) | 0.25 mm (0.01 in) | 7SM |
| | KBOS 051854Z 05018G24KT 7SM -RA BKN022 OVC028 06/02 A2996 RMK AO2 SLP145 P0001 T00560022 |
| 12:54 EST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1015 mb (29.97 in) | NE 30 kph (NE 18.4 mph) | 0.25 mm (0.01 in) | 7SM |
| | KBOS 051754Z 03016KT 7SM -RA SCT020 BKN025 OVC034 06/03 A2998 RMK AO2 SLP151 P0001 60001 T00610028 10072 20061 57045 |
| 12:28 EST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1016 mb (30 in) | NE 35 kph (NE 21.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBOS 051728Z 03019G23KT 10SM -RA FEW018 BKN026 OVC032 06/03 A3000 RMK AO2 P0000 |
| 11:54 EST |  Overcast Light Rain | 7°C / 45°F | 3°C / 37°F | 76% | 1016 mb (30 in) | NE 30 kph (NE 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBOS 051654Z 04016KT 10SM -RA FEW026 OVC033 07/03 A3001 RMK AO2 RAB08 SLP162 P0000 T00670028 |
| 11:44 EST |  Mostly Cloudy Light Rain | 7°C / 45°F | 3°C / 37°F | 76% | 1017 mb (30.03 in) | NE 32 kph (NE 19.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBOS 051644Z 04017KT 10SM -RA FEW026 BKN035 07/03 A3002 RMK AO2 RAB08 PRESFR P0000 |
| 11:33 EST |  Overcast Light Rain | 7°C / 45°F | 3°C / 37°F | 76% | 1017 mb (30.03 in) | NE 32 kph (NE 19.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBOS 051633Z 04017G21KT 10SM -RA BKN026 BKN031 OVC040 07/03 A3004 RMK AO2 RAB08 PRESFR P0000 |
| 10:54 EST |  Overcast | 7°C / 45°F | 2°C / 36°F | 71% | 1019 mb (30.09 in) | NE 22 kph (NE 13.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBOS 051554Z 04012G20KT 10SM BKN041 OVC050 07/02 A3008 RMK AO2 RAE04 SLP186 P0000 T00720022 |
| 09:54 EST |  Overcast Light Rain | 6°C / 43°F | 1°C / 34°F | 71% | 1020 mb (30.12 in) | NNE 20 kph (NNE 12.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBOS 051454Z 02011KT 10SM -RA SCT035 OVC048 06/01 A3011 RMK AO2 RAB50 SLP196 P0000 60000 T00610006 58013 |
| 08:54 EST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1021 mb (30.15 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KBOS 051354Z 02009KT 10SM BKN050 OVC095 06/M01 A3014 RMK AO2 SLP204 T00611006 |
| 07:54 EST |  Mostly Cloudy | 6°C / 43°F | -1°C / 30°F | 61% | 1021 mb (30.15 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KBOS 051254Z 36007KT 10SM SCT055 BKN095 06/M01 A3014 RMK AO2 CIG 080 E SLP205 T00611006 |
| 06:54 EST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1021 mb (30.15 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KBOS 051154Z 36007KT 10SM OVC085 06/M01 A3015 RMK AO2 SLP209 T00611011 10072 20061 53000 |
| 05:54 EST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1021 mb (30.15 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KBOS 051054Z 36006KT 10SM OVC100 06/M01 A3014 RMK AO2 SLP207 T00611006 |
| 04:54 EST |  Overcast | 6°C / 43°F | 0°C / 32°F | 66% | 1021 mb (30.15 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KBOS 050954Z 01006KT 10SM FEW075 BKN100 OVC130 06/00 A3014 RMK AO2 SLP204 T00610000 |
| 03:54 EST |  Overcast | 7°C / 45°F | -1°C / 30°F | 57% | 1021 mb (30.15 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KBOS 050854Z 35004KT 10SM FEW049 BKN089 BKN110 OVC130 07/M01 A3015 RMK AO2 SLP209 T00671011 58003 |
| 02:54 EST |  Overcast | 7°C / 45°F | -1°C / 30°F | 57% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KBOS 050754Z 36003KT 10SM BKN120 OVC140 07/M01 A3016 RMK AO2 SLP213 T00721011 |
| 01:54 EST |  Overcast | 7°C / 45°F | -1°C / 30°F | 57% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KBOS 050654Z 00000KT 10SM OVC150 07/M01 A3016 RMK AO2 SLP213 T00671006 |
| 00:54 EST |  Overcast | 7°C / 45°F | -1°C / 30°F | 57% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KBOS 050554Z 00000KT 10SM SCT150 OVC170 07/M01 A3016 RMK AO2 SLP212 T00721011 10100 20067 58002 |