| 13:53 PST |  Clear | 9°C / 48°F | 1°C / 34°F | 58% | 1024 mb (30.24 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KBFI 272153Z 32005KT 10SM CLR 09/01 A3024 RMK AO2 SLP241 T00940011 $ |
| 12:53 PST |  Partly Cloudy | 9°C / 48°F | 3°C / 37°F | 66% | 1023 mb (30.21 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KBFI 272053Z 29005KT 10SM SCT028 09/03 A3022 RMK AO2 SLP233 T00940028 51011 $ |
| 11:53 PST |  Mostly Cloudy | 9°C / 48°F | 3°C / 37°F | 66% | 1023 mb (30.21 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KBFI 271953Z 30005KT 10SM SCT029 BKN036 09/03 A3022 RMK AO2 SLP233 T00890033 $ |
| 10:53 PST |  Partly Cloudy | 9°C / 48°F | 3°C / 37°F | 66% | 1023 mb (30.21 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBFI 271853Z 36005KT 10SM SCT027 09/03 A3020 RMK AO2 SLP227 T00890028 $ |
| 09:53 PST |  Partly Cloudy | 8°C / 46°F | 3°C / 37°F | 71% | 1022 mb (30.18 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBFI 271753Z 36005KT 10SM SCT025 08/03 A3019 RMK AO2 SLP222 T00830033 10083 20061 51035 $ |
| 08:53 PST |  Partly Cloudy | 8°C / 46°F | 3°C / 37°F | 71% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KBFI 271653Z 35003KT 10SM FEW015 SCT060 08/03 A3016 RMK AO2 SLP212 T00780033 $ |
| 07:53 PST |  Clear | 6°C / 43°F | 3°C / 37°F | 81% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KBFI 271553Z 00000KT 10SM CLR 06/03 A3012 RMK AO2 SLP199 T00610028 $ |
| 06:53 PST |  Partly Cloudy | 7°C / 45°F | 3°C / 37°F | 76% | 1019 mb (30.09 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KBFI 271453Z 36006KT 10SM FEW060 07/03 A3008 RMK AO2 SLP187 T00720033 53024 |
| 05:53 PST |  Partly Cloudy | 7°C / 45°F | 3°C / 37°F | 76% | 1018 mb (30.06 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBFI 271353Z 35005KT 10SM FEW036 07/03 A3005 RMK AO2 SLP176 T00720033 |
| 04:53 PST |  Mostly Cloudy | 8°C / 46°F | 4°C / 39°F | 76% | 1017 mb (30.03 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KBFI 271253Z 34007G17KT 10SM SCT035 BKN050 08/04 A3002 RMK AO2 SLP166 T00780039 |
| 04:33 PST |  Overcast | 8°C / 46°F | 4°C / 39°F | 76% | 1017 mb (30.03 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KBFI 271233Z 34009G16KT 10SM SCT020 BKN035 OVC050 08/04 A3002 RMK AO2 |
| 03:53 PST |  Overcast | 8°C / 46°F | 4°C / 39°F | 76% | 1016 mb (30 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KBFI 271153Z 35008KT 10SM BKN020 BKN033 OVC045 08/04 A3001 RMK AO2 SLP163 70063 T00830039 10089 20083 53018 |
| 02:53 PST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1016 mb (30 in) | Variable 11 kph (Variable 6.9 mph) | - | 10SM |
| | KBFI 271053Z VRB06KT 10SM OVC018 08/05 A3000 RMK AO2 SLP158 T00830050 |
| 01:53 PST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1015 mb (29.97 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KBFI 270953Z 35004KT 10SM BKN016 OVC026 08/06 A2997 RMK AO2 SLP148 T00830056 |
| 00:53 PST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1015 mb (29.97 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KBFI 270853Z 34007KT 10SM OVC016 09/06 A2996 RMK AO2 SLP145 T00890056 53004 |