| 13:53 PST |  Mostly Cloudy | 6°C / 43°F | 2°C / 36°F | 76% | 1031 mb (30.45 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KBFI 232153Z 14004KT 10SM FEW015 SCT050 BKN120 06/02 A3045 RMK AO2 SLP309 T00610022 |
| 12:53 PST |  Clear | 6°C / 43°F | 2°C / 36°F | 76% | 1032 mb (30.48 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KBFI 232053Z VRB03KT 10SM CLR 06/02 A3047 RMK AO2 SLP318 T00610022 55004 |
| 11:53 PST |  Mostly Cloudy | 5°C / 41°F | 2°C / 36°F | 81% | 1031 mb (30.45 in) | Calm | - | 9SM |
| | KBFI 231953Z 00000KT 9SM FEW020 BKN130 BKN250 05/02 A3046 RMK AO2 SLP315 T00500022 |
| 10:53 PST |  Mostly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1032 mb (30.48 in) | SSE 6 kph (SSE 3.5 mph) | - | 8SM |
| | KBFI 231853Z 15003KT 8SM SCT040 BKN100 04/02 A3048 RMK AO2 SLP320 T00440022 |
| 09:53 PST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1032 mb (30.48 in) | SSE 6 kph (SSE 3.5 mph) | - | 8SM |
| | KBFI 231753Z 15003KT 8SM FEW020 OVC120 03/02 A3048 RMK AO2 SLP322 T00330017 10039 20022 53014 |
| 08:53 PST |  Mostly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1032 mb (30.48 in) | SE 6 kph (SE 3.5 mph) | - | 7SM |
| | KBFI 231653Z 14003KT 7SM SCT030 BKN100 02/01 A3047 RMK AO2 SLP318 T00220006 |
| 07:53 PST |  Mostly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1031 mb (30.45 in) | SE 7 kph (SE 4.6 mph) | - | 8SM |
| | KBFI 231553Z 14004KT 8SM BKN050 02/01 A3045 RMK AO2 SLP311 T00220006 |
| 06:53 PST |  Mostly Cloudy | 3°C / 37°F | 1°C / 34°F | 87% | 1031 mb (30.45 in) | SE 6 kph (SE 3.5 mph) | - | 9SM |
| | KBFI 231453Z 13003KT 9SM BKN050 03/01 A3044 RMK AO2 SLP308 T00280011 51012 |
| 05:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1031 mb (30.45 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KBFI 231353Z 13003KT 10SM OVC050 03/01 A3044 RMK AO2 SLP306 T00330011 |
| 04:53 PST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1030 mb (30.42 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KBFI 231253Z 13004KT 10SM OVC055 03/02 A3042 RMK AO2 SLP301 T00330017 |
| 03:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1030 mb (30.42 in) | SE 9 kph (SE 5.8 mph) | - | 9SM |
| | KBFI 231153Z 13005KT 9SM OVC055 03/01 A3041 RMK AO2 SLP296 70003 T00280011 10050 20028 50006 |
| 02:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1030 mb (30.42 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KBFI 231053Z 15003KT 10SM OVC050 04/02 A3041 RMK AO2 SLP297 T00390017 |
| 02:18 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1030 mb (30.42 in) | SE 9 kph (SE 5.8 mph) | - | 9SM |
| | KBFI 231018Z 14005KT 9SM SCT013 BKN031 OVC050 04/02 A3041 RMK AO2 |
| 02:11 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1029 mb (30.39 in) | SE 9 kph (SE 5.8 mph) | - | 9SM |
| | KBFI 231011Z 13005KT 9SM BKN013 BKN029 OVC050 04/02 A3040 RMK AO2 |
| 01:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1029 mb (30.39 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KBFI 230953Z 13005KT 10SM SCT013 BKN018 OVC031 04/02 A3040 RMK AO2 SLP294 T00440017 |
| 00:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1029 mb (30.39 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KBFI 230853Z 12003KT 10SM FEW021 OVC039 04/02 A3039 RMK AO2 SLP290 T00440017 51008 |