| 17:55 EST | 
Partly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1020 mb
(30.12 in) | SSE 7 kph
(SSE 4.6 mph) | - | 10SM |
| | KCEF 072255Z AUTO 20004KT 10SM SCT060 SCT080 01/M04 A3013
RMK AO2 SLP208 T00101040 CHINO RWY05 $ |
| 16:55 EST | 
Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1020 mb
(30.12 in) | SSE 13 kph
(SSE 8.1 mph) | - | 10SM |
| | KCEF 072155Z AUTO 20007KT 10SM OVC080 01/M04 A3013
RMK AO2 SLP210 T00141040 CHINO RWY05 $ |
| 15:55 EST | 
Mostly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1021 mb
(30.15 in) | S 6 kph
(S 3.5 mph) | - | 10SM |
| | KCEF 072055Z AUTO 19003KT 10SM BKN080 01/M03 A3016
RMK AO2 SLP217 T00111028 55018 CHINO RWY05 $ |
| 14:55 EST |
Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KCEF 071955Z AUTO 00000KT 10SM FEW060 OVC090 02/M04 A3014
RMK AO2 SLP213 T00161035 CHINO RWY05 $ |
| 13:55 EST |
Mostly Cloudy | 2°C / 36°F | -4°C / 25°F | 65% | 1022 mb
(30.18 in) | SSE 11 kph
(SSE 6.9 mph) | - | 10SM |
| | KCEF 071855Z AUTO 16006KT 10SM BKN049 02/M04 A3018
RMK AO2 SLP224 T00151036 CHINO RWY05 $ |
| 12:55 EST |
Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1023 mb
(30.21 in) | S 7 kph
(S 4.6 mph) | - | 10SM |
| | KCEF 071755Z AUTO 17004KT 10SM BKN090 01/M04 A3021
RMK AO2 SLP234 T00151038 10015 21068 58034 CHINO RWY05 $ |
| 11:55 EST |
Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1024 mb
(30.24 in) | S 6 kph
(S 3.5 mph) | - | 10SM |
| | KCEF 071655Z AUTO 18003KT 10SM OVC110 01/M04 A3025
RMK AO2 SLP250 T00101038 CHINO RWY05 $ |
| 10:55 EST | 
Partly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1025 mb
(30.27 in) | Calm | - | 10SM |
| | KCEF 071555Z AUTO 00000KT 10SM SCT140 01/M04 A3027
RMK AO2 SLP257 T00051037 CHINO RWY05 $ |
| 09:55 EST |
Partly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1026 mb
(30.3 in) | Calm | - | 10SM |
| | KCEF 071455Z AUTO 00000KT 10SM FEW150 M02/M04 A3031
RMK AO2 SLP269 T10231043 56003 CHINO RWY05 $ |
| 08:55 EST |
Partly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1026 mb
(30.3 in) | Calm | - | 10SM |
| | KCEF 071355Z AUTO 00000KT 10SM FEW130 M04/M05 A3031
RMK AO2 SLP270 T10431052 CHINO RWY05 $ |
| 07:55 EST | 
Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1026 mb
(30.3 in) | Calm | - | 10SM |
| | KCEF 071255Z AUTO 00000KT 10SM CLR M06/M07 A3031
RMK AO2 SLP269 T10571067 CHINO RWY05 $ |
| 06:55 EST | 
Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1027 mb
(30.33 in) | Calm | - | 9SM |
| | KCEF 071155Z AUTO 00000KT 9SM CLR M06/M07 A3032
RMK AO2 SLP272 T10641073 11038 21075 55000 CHINO RWY05 $ |
| 05:55 EST |
Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1026 mb
(30.3 in) | Calm | - | 10SM |
| | KCEF 071055Z AUTO 00000KT 10SM CLR M07/M08 A3031
RMK AO2 SLP270 T10671077 $ |
| 04:55 EST |
Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1026 mb
(30.3 in) | Calm | - | 10SM |
| | KCEF 070955Z AUTO 00000KT 10SM CLR M06/M07 A3031
RMK AO2 SLP270 T10601069 $ |
| 03:55 EST |
Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1027 mb
(30.33 in) | Calm | - | 10SM |
| | KCEF 070855Z AUTO 00000KT 10SM CLR M06/M07 A3032
RMK AO2 SLP272 T10581068 58002 $ |
| 02:55 EST |
Partly Cloudy | -5°C / 23°F | -6°C / 21°F | 93% | 1027 mb
(30.33 in) | Calm | - | 10SM |
| | KCEF 070755Z AUTO 00000KT 10SM FEW150 M05/M06 A3033
RMK AO2 SLP277 T10521058 $ |
| 01:55 EST | 
Mostly Cloudy | -6°C / 21°F | -7°C / 19°F | 93% | 1027 mb
(30.33 in) | Calm | - | 10SM |
| | KCEF 070655Z AUTO 00000KT 10SM BKN150 M06/M07 A3033
RMK AO2 SLP276 T10581068 $ |
| 00:55 EST |
Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1027 mb
(30.33 in) | Calm | - | 10SM |
| | KCEF 070555Z AUTO 00000KT 10SM CLR M05/M06 A3032
RMK AO2 SLP274 T10471063 11009 21050 53008 $ |
