| 19:51 EST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1017 mb (30.03 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KPWM 240051Z 32009KT 10SM OVC031 M07/M13 A3004 RMK AO2 SLP174 T10671133 |
| 18:51 EST |  Overcast | -7°C / 19°F | -14°C / 7°F | 58% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KPWM 232351Z 32007KT 10SM OVC040 M07/M14 A3003 RMK AO2 SLP170 T10671144 11044 21078 51010 |
| 17:51 EST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1017 mb (30.03 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KPWM 232251Z 32006KT 10SM CLR M08/M15 A3003 RMK AO2 SLP169 T10781150 |
| 16:51 EST |  Clear | -7°C / 19°F | -16°C / 3°F | 49% | 1016 mb (30 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KPWM 232151Z 32008KT 10SM CLR M07/M16 A3001 RMK AO2 SLP165 T10721156 |
| 15:51 EST |  Clear | -6°C / 21°F | -16°C / 3°F | 45% | 1016 mb (30 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KPWM 232051Z 34008KT 10SM CLR M06/M16 A3000 RMK AO2 SLP160 T10561161 53007 |
| 14:51 EST |  Clear | -4°C / 25°F | -16°C / 3°F | 39% | 1016 mb (30 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KPWM 231951Z 34008KT 10SM CLR M04/M16 A2999 RMK AO2 SLP156 T10441156 |
| 13:51 EST |  Partly Cloudy | -4°C / 25°F | -16°C / 3°F | 39% | 1015 mb (29.97 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KPWM 231851Z 30011KT 10SM FEW095 M04/M16 A2998 RMK AO2 SLP152 T10441161 |
| 12:51 EST |  Partly Cloudy | -5°C / 23°F | -17°C / 1°F | 39% | 1015 mb (29.97 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KPWM 231751Z 32008KT 10SM FEW095 M05/M17 A2998 RMK AO2 SLP153 T10501167 11044 21128 56017 |
| 11:51 EST |  Clear | -6°C / 21°F | -16°C / 3°F | 45% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KPWM 231651Z 32011KT 10SM CLR M06/M16 A2999 RMK AO2 SLP158 T10561161 |
| 10:51 EST |  Partly Cloudy | -7°C / 19°F | -16°C / 3°F | 49% | 1016 mb (30 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KPWM 231551Z 33008KT 10SM FEW095 M07/M16 A3001 RMK AO2 SLP164 T10671156 |
| 09:51 EST |  Partly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1017 mb (30.03 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KPWM 231451Z 32003KT 10SM FEW095 M08/M16 A3003 RMK AO2 SLP170 T10781161 51005 |
| 08:51 EST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1017 mb (30.03 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KPWM 231351Z 30005KT 10SM CLR M09/M16 A3003 RMK AO2 SLP169 T10941156 |
| 07:51 EST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1017 mb (30.03 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KPWM 231251Z 27003KT 10SM CLR M12/M16 A3002 RMK AO2 SLP166 T11171161 |
| 06:51 EST |  Partly Cloudy | -12°C / 10°F | -16°C / 3°F | 72% | 1016 mb (30 in) | Calm | - | 10SM |
| | KPWM 231151Z 00000KT 10SM FEW100 SCT110 M12/M16 A3001 RMK AO2 SLP165 T11221161 11089 21128 53006 |
| 05:51 EST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1016 mb (30 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KPWM 231051Z 29004KT 10SM CLR M12/M16 A3001 RMK AO2 SLP162 T11221161 |
| 04:51 EST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1016 mb (30 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPWM 230951Z 26003KT 10SM CLR M11/M17 A3000 RMK AO2 SLP160 T11111167 |
| 03:51 EST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1016 mb (30 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KPWM 230851Z AUTO 29004KT 10SM CLR M11/M17 A3000 RMK AO2 SLP159 T11111167 51006 |
| 02:51 EST |  Clear | -10°C / 14°F | -17°C / 1°F | 57% | 1016 mb (30 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KPWM 230751Z AUTO 31007KT 10SM CLR M10/M17 A3000 RMK AO2 SLP159 T11001172 |
| 01:51 EST |  Clear | -9°C / 16°F | -17°C / 1°F | 53% | 1016 mb (30 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KPWM 230651Z AUTO 33008KT 10SM CLR M09/M17 A2999 RMK AO2 SLP157 T10941172 |
| 00:51 EST |  Partly Cloudy | -9°C / 16°F | -17°C / 1°F | 53% | 1015 mb (29.97 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KPWM 230551Z AUTO 34009KT 10SM FEW044 M09/M17 A2998 RMK AO2 SLP153 T10891167 11039 21089 51009 |