| 19:51 EST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1026 mb (30.3 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KPWM 090051Z 03005KT 10SM CLR M02/M08 A3030 RMK AO2 SLP262 T10171083 |
| 18:51 EST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1027 mb (30.33 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KPWM 082351Z 34005KT 10SM CLR M01/M08 A3033 RMK AO2 SLP273 T10111083 10039 21011 53023 |
| 17:51 EST |  Clear | 0°C / 32°F | -7°C / 19°F | 60% | 1026 mb (30.3 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KPWM 082251Z 01003KT 10SM CLR 00/M07 A3031 RMK AO2 SLP266 T00001067 |
| 16:51 EST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1025 mb (30.27 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KPWM 082151Z 30005KT 10SM CLR 00/M06 A3028 RMK AO2 SLP254 T00001056 |
| 15:51 EST |  Mostly Cloudy | 2°C / 36°F | -6°C / 21°F | 56% | 1025 mb (30.27 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KPWM 082051Z 32006KT 10SM BKN046 02/M06 A3026 RMK AO2 SLP249 T00221056 53014 |
| 14:51 EST |  Overcast | 3°C / 37°F | -4°C / 25°F | 60% | 1024 mb (30.24 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KPWM 081951Z 33009KT 10SM BKN048 OVC060 03/M04 A3024 RMK AO2 SLP243 T00331039 |
| 13:51 EST |  Overcast | 4°C / 39°F | -4°C / 25°F | 56% | 1023 mb (30.21 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KPWM 081851Z 27008KT 10SM SCT044 OVC060 04/M04 A3022 RMK AO2 SLP235 T00391044 $ |
| 12:51 EST |  Partly Cloudy | 3°C / 37°F | -4°C / 25°F | 60% | 1023 mb (30.21 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPWM 081751Z 26006KT 10SM SCT035 03/M04 A3022 RMK AO2 SLP236 T00281044 10033 21061 55002 $ |
| 11:51 EST |  Partly Cloudy | 3°C / 37°F | -5°C / 23°F | 56% | 1023 mb (30.21 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KPWM 081651Z 25010KT 10SM FEW030 03/M05 A3022 RMK AO2 SLP235 T00281050 $ |
| 10:51 EST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KPWM 081551Z 00000KT 10SM CLR 02/M04 A3022 RMK AO2 SLP236 T00171039 $ |
| 09:51 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KPWM 081451Z 00000KT 10SM CLR 00/M04 A3023 RMK AO2 SLP238 T00001039 51019 $ |
| 08:51 EST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1023 mb (30.21 in) | W 6 kph (W 3.5 mph) | - | 8SM |
| | KPWM 081351Z 27003KT 8SM CLR M03/M05 A3022 RMK AO2 SLP233 T10281050 |
| 07:51 EST |  Partly Cloudy | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | W 9 kph (W 5.8 mph) | - | 7SM |
| | KPWM 081251Z 27005KT 7SM FEW080 M04/M06 A3020 RMK AO2 SLP229 T10441056 |
| 06:51 EST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1022 mb (30.18 in) | W 7 kph (W 4.6 mph) | - | 7SM |
| | KPWM 081151Z 28004KT 7SM CLR M04/M06 A3018 RMK AO2 SLP219 T10441061 11022 21056 51025 |
| 05:51 EST |  Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | W 9 kph (W 5.8 mph) | - | 7SM |
| | KPWM 081051Z 28005KT 7SM CLR M05/M06 A3016 RMK AO2 SLP213 T10501061 |
| 04:51 EST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1020 mb (30.12 in) | SSW 6 kph (SSW 3.5 mph) | - | 7SM |
| | KPWM 080951Z 26003KT 7SM CLR M04/M05 A3013 RMK AO2 SLP205 T10391050 |
| 03:51 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | NW 6 kph (NW 3.5 mph) | - | 4SM |
| | KPWM 080851Z AUTO 30003KT 4SM BR CLR M03/M04 A3010 RMK AO2 VIS 1/2 W SLP194 T10331044 53009 |
| 03:41 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KPWM 080841Z AUTO 00000KT 3SM BR CLR M03/M04 A3010 RMK AO2 |
| 03:39 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | Calm | - | 1 1/2SM |
| | KPWM 080839Z AUTO 00000KT 1 1/2SM BR CLR M03/M04 A3010 RMK AO2 |
| 03:31 EST |  Clear Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1019 mb (30.09 in) | Calm | - | 3/4SM |
| | KPWM 080831Z AUTO 00000KT 3/4SM BR CLR M04/M05 A3010 RMK AO2 |
| 03:23 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | Calm | - | 1 3/4SM |
| | KPWM 080823Z AUTO 00000KT 1 3/4SM BR CLR M03/M04 A3009 RMK AO2 VIS 3/4 W |
| 03:15 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KPWM 080815Z AUTO 00000KT 3SM BR CLR M03/M04 A3009 RMK AO2 |
| 03:06 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | Calm | - | 2 1/2SM |
| | KPWM 080806Z AUTO 00000KT 2 1/2SM BR CLR M03/M04 A3009 RMK AO2 |
| 02:51 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KPWM 080751Z AUTO 00000KT 3SM BR CLR M03/M04 A3009 RMK AO2 SLP189 T10331039 |
| 01:51 EST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1019 mb (30.09 in) | NW 6 kph (NW 3.5 mph) | - | 5SM |
| | KPWM 080651Z AUTO 31003KT 5SM BR OVC100 M02/M03 A3008 RMK AO2 SLP186 T10221033 |
| 00:51 EST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1018 mb (30.06 in) | WNW 6 kph (WNW 3.5 mph) | - | 5SM |
| | KPWM 080551Z AUTO 29003KT 5SM BR BKN085 OVC110 M02/M03 A3007 RMK AO2 SLP185 T10221033 10000 21028 56007 |