| 12:53 PST |  Clear | 8°C / 46°F | 3°C / 37°F | 71% | 1029 mb (30.39 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KRBG 282053Z AUTO 35003KT 10SM CLR 08/03 A3040 RMK AO2 SLP297 T00830028 58017 |
| 12:08 PST |  Partly Cloudy | 7°C / 45°F | 3°C / 37°F | 76% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KRBG 282008Z AUTO 00000KT 10SM SCT015 07/03 A3042 RMK AO2 |
| 11:53 PST |  Mostly Cloudy | 7°C / 45°F | 3°C / 37°F | 76% | 1030 mb (30.42 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KRBG 281953Z AUTO 01003KT 10SM BKN015 07/03 A3042 RMK AO2 SLP305 T00720028 |
| 11:39 PST |  Mostly Cloudy | 7°C / 45°F | 3°C / 37°F | 76% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KRBG 281939Z AUTO 00000KT 10SM BKN013 07/03 A3043 RMK AO2 |
| 11:04 PST |  Partly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KRBG 281904Z AUTO 00000KT 10SM FEW005 SCT017 05/03 A3044 RMK AO2 |
| 10:53 PST |  Mostly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KRBG 281853Z AUTO 00000KT 10SM SCT005 BKN017 05/03 A3044 RMK AO2 SLP313 T00500028 |
| 10:39 PST |  Overcast | 3°C / 37°F | 3°C / 37°F | 100% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KRBG 281839Z AUTO 00000KT 10SM OVC005 03/03 A3045 RMK AO2 |
| 09:53 PST |  Overcast | 2°C / 36°F | 2°C / 36°F | 100% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KRBG 281753Z AUTO 00000KT 10SM OVC003 02/02 A3045 RMK AO2 SLP315 T00220022 10022 20006 53006 |
| 08:53 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 8SM |
| | KRBG 281653Z AUTO 00000KT 8SM OVC003 01/01 A3043 RMK AO2 SLP310 T00110011 |
| 07:53 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 4SM |
| | KRBG 281553Z AUTO 00000KT 4SM BR OVC003 01/01 A3043 RMK AO2 SLP310 T00110011 |
| 07:00 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 8SM |
| | KRBG 281500Z AUTO 00000KT 8SM OVC003 01/01 A3043 RMK AO2 |
| 06:53 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 7SM |
| | KRBG 281453Z AUTO 00000KT 7SM OVC001 01/01 A3043 RMK AO2 SLP309 T00060006 53005 |
| 06:01 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 7SM |
| | KRBG 281401Z AUTO 00000KT 7SM OVC001 01/01 A3042 RMK AO2 |
| 05:53 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 2 1/2SM |
| | KRBG 281353Z AUTO 00000KT 2 1/2SM BR OVC001 01/01 A3042 RMK AO2 SLP305 T00110011 |
| 05:12 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 1SM |
| | KRBG 281312Z AUTO 00000KT 1SM BR OVC001 01/01 A3041 RMK AO2 |
| 04:53 PST |  Overcast Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 1/2SM |
| | KRBG 281253Z AUTO 00000KT 1/2SM FG OVC001 01/01 A3041 RMK AO2 SLP304 T00060006 |
| 04:45 PST |  Overcast Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 1/4SM |
| | KRBG 281245Z AUTO 00000KT 1/4SM FG OVC001 01/01 A3041 RMK AO2 |
| 04:26 PST |  Obscured Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 1/2SM |
| | KRBG 281226Z AUTO 00000KT 1/2SM FG VV001 01/01 A3042 RMK AO2 |
| 03:53 PST |  Obscured Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1030 mb (30.42 in) | Calm | - | 1/4SM |
| | KRBG 281153Z AUTO 00000KT 1/4SM FG VV001 01/01 A3042 RMK AO2 SLP303 70002 T00110011 10044 20006 53003 |
| 02:53 PST |  Obscured Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KRBG 281053Z AUTO 00000KT 1/4SM FG VV001 01/01 A3040 RMK AO2 SLP299 T00110011 |
| 02:34 PST |  Overcast Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KRBG 281034Z AUTO 00000KT 1/4SM FG BKN001 OVC023 01/01 A3040 RMK AO2 |
| 02:25 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1029 mb (30.39 in) | Calm | - | 1SM |
| | KRBG 281025Z AUTO 00000KT 1SM BR BKN001 BKN006 OVC023 01/01 A3040 RMK AO2 |
| 02:19 PST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1029 mb (30.39 in) | Calm | - | 3/4SM |
| | KRBG 281019Z AUTO 00000KT 3/4SM BR SCT001 BKN006 BKN023 01/01 A3040 RMK AO2 |
| 02:09 PST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1029 mb (30.39 in) | Calm | - | 2 1/2SM |
| | KRBG 281009Z AUTO 00000KT 2 1/2SM BR SCT003 BKN023 01/01 A3040 RMK AO2 |
| 02:03 PST |  Partly Cloudy Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1029 mb (30.39 in) | Calm | - | 4SM |
| | KRBG 281003Z AUTO 00000KT 4SM BR FEW001 SCT023 01/01 A3040 RMK AO2 |
| 01:53 PST |  Partly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1029 mb (30.39 in) | Calm | - | 7SM |
| | KRBG 280953Z AUTO 00000KT 7SM FEW022 02/01 A3040 RMK AO2 SLP299 T00170011 |
| 00:53 PST |  Clear Fog And Mist | 2°C / 36°F | 2°C / 36°F | 100% | 1030 mb (30.42 in) | Calm | - | 5SM |
| | KRBG 280853Z AUTO 00000KT 5SM BR CLR 02/02 A3041 RMK AO2 SLP300 T00220017 51007 |