| 11:53 PST |  Mostly Cloudy | 2°C / 36°F | -7°C / 19°F | 52% | 1022 mb (30.18 in) | SE 28 kph (SE 17.3 mph) | - | 10SM |
| | KBFI 061953Z 13015KT 10SM FEW020 BKN110 02/M07 A3017 RMK AO2 SLP216 T00171067 |
| 10:53 PST |  Mostly Cloudy | 2°C / 36°F | -5°C / 23°F | 60% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KBFI 061853Z 18003KT 10SM SCT100 BKN150 02/M05 A3018 RMK AO2 SLP219 T00171050 |
| 09:53 PST |  Clear | 1°C / 34°F | -4°C / 25°F | 70% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KBFI 061753Z 17003KT 10SM CLR 01/M04 A3019 RMK AO2 SLP221 T00111039 10028 20006 53008 |
| 08:53 PST |  Clear | 1°C / 34°F | -6°C / 21°F | 60% | 1022 mb (30.18 in) | SE 13 kph (SE 8.1 mph) | - | 10SM |
| | KBFI 061653Z 14007KT 10SM CLR 01/M06 A3018 RMK AO2 SLP218 T00111056 |
| 07:53 PST |  Clear | 2°C / 36°F | -7°C / 19°F | 52% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KBFI 061553Z 00000KT 10SM CLR 02/M07 A3017 RMK AO2 SLP215 T00221072 |
| 06:53 PST |  Mostly Cloudy | 2°C / 36°F | -7°C / 19°F | 52% | 1021 mb (30.15 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KBFI 061453Z 02004KT 10SM FEW015 BKN150 02/M07 A3016 RMK AO2 SLP213 T00221067 56006 |
| 05:53 PST |  Clear | 3°C / 37°F | -6°C / 21°F | 52% | 1022 mb (30.18 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KBFI 061353Z 03003KT 10SM CLR 03/M06 A3017 RMK AO2 SLP214 T00281061 |
| 04:53 PST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1022 mb (30.18 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KBFI 061253Z 32003KT 10SM CLR 02/M04 A3017 RMK AO2 SLP216 T00221044 |
| 03:53 PST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1022 mb (30.18 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBFI 061153Z 36005KT 10SM CLR 02/M04 A3018 RMK AO2 SLP219 T00221039 10039 20006 50002 |
| 02:53 PST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1022 mb (30.18 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KBFI 061053Z 12003KT 10SM CLR 01/M03 A3018 RMK AO2 SLP219 T00111033 |
| 01:53 PST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KBFI 060953Z 00000KT 10SM CLR 02/M04 A3018 RMK AO2 SLP219 T00221039 |
| 00:53 PST |  Partly Cloudy | 3°C / 37°F | -4°C / 25°F | 60% | 1022 mb (30.18 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBFI 060853Z AUTO 36005KT 10SM SCT080 03/M04 A3017 RMK AO2 SLP217 T00331039 58003 TSNO |