| 17:09 EST |  Mostly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1027 mb (30.33 in) | NE 19 kph (NE 11.5 mph) | - | 10SM |
| | KNTU 242209Z 04010KT 10SM BKN021 02/M02 A3034 RMK AO2 CHINO RWY 05R VISNO RWY 5R $ |
| 16:56 EST |  Mostly Cloudy | 2°C / 36°F | -3°C / 27°F | 70% | 1027 mb (30.33 in) | ENE 13 kph (ENE 8.1 mph) | - | 10SM |
| | KNTU 242156Z 06007KT 10SM BKN030 BKN200 02/M03 A3034 RMK AO2 SLP276 T00221028 VISNO RWY 5R $ |
| 15:56 EST |  Clear | 3°C / 37°F | -3°C / 27°F | 65% | 1027 mb (30.33 in) | ENE 15 kph (ENE 9.2 mph) | - | 10SM |
| | KNTU 242056Z AUTO 06008KT 10SM CLR 03/M03 A3034 RMK AO2 SLP278 T00281033 56004 CHINO RWY 05R VISNO RWY 5R $ |
| 14:56 EST |  Clear | 3°C / 37°F | -3°C / 27°F | 65% | 1028 mb (30.36 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KNTU 241956Z 05005KT 10SM CLR 03/M03 A3035 RMK AO2 SLP278 T00331033 CHINO RWY 05R VISNO RWY 5R $ |
| 13:56 EST |  Partly Cloudy | 4°C / 39°F | -4°C / 25°F | 56% | 1028 mb (30.36 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KNTU 241856Z 04008KT 10SM FEW030 04/M04 A3035 RMK AO2 SLP278 T00441039 VISNO RWY 5R $ |
| 12:56 EST |  Partly Cloudy | 4°C / 39°F | -4°C / 25°F | 56% | 1028 mb (30.36 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KNTU 241756Z 36007KT 10SM FEW030 04/M04 A3036 RMK AO2 SLP282 T00391039 10044 21011 58015 VISNO RWY 5R $ |
| 11:56 EST |  Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1029 mb (30.39 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KNTU 241656Z 02008KT 10SM CLR 03/M04 A3038 RMK AO2 SLP288 T00331039 CHINO RWY 05R VISNO RWY 5R $ |
| 10:56 EST |  Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1029 mb (30.39 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KNTU 241556Z 02008KT 10SM CLR 03/M04 A3039 RMK AO2 SLP294 T00281044 CHINO RWY 05R VISNO RWY 5R $ |
| 09:56 EST |  Partly Cloudy | 2°C / 36°F | -4°C / 25°F | 65% | 1029 mb (30.39 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KNTU 241456Z 02009KT 10SM FEW030 SCT200 02/M04 A3040 RMK AO2 SLP297 T00171044 53018 VISNO RWY 5R $ |
| 08:56 EST |  Partly Cloudy | 1°C / 34°F | -5°C / 23°F | 65% | 1029 mb (30.39 in) | NE 19 kph (NE 11.5 mph) | - | 10SM |
| | KNTU 241356Z 03010KT 10SM FEW030 SCT200 01/M05 A3038 RMK AO2 SLP291 T00111050 VISNO RWY 5R $ |
| 07:56 EST |  Partly Cloudy | 0°C / 32°F | -6°C / 21°F | 64% | 1028 mb (30.36 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KNTU 241256Z 01008KT 10SM FEW200 00/M06 A3036 RMK AO2 SLP282 T00001056 VISNO RWY 5R $ |
| 06:56 EST |  Partly Cloudy | -1°C / 30°F | -7°C / 19°F | 64% | 1028 mb (30.36 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KNTU 241156Z 02008KT 10SM FEW200 M01/M07 A3035 RMK AO2 SLP279 T10111067 10006 21022 51022 VISNO RWY 5R $ |
| 05:56 EST |  Partly Cloudy | -1°C / 30°F | -6°C / 21°F | 69% | 1027 mb (30.33 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KNTU 241056Z 01007KT 10SM FEW200 M01/M06 A3033 RMK AO2 SLP273 T10061061 VISNO RWY 5R $ |
| 04:56 EST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1026 mb (30.3 in) | NNE 20 kph (NNE 12.7 mph) | - | 10SM |
| | KNTU 240956Z 02011KT 10SM CLR 00/M06 A3030 RMK AO2 SLP263 T00001056 CHINO RWY 05R VISNO RWY 5R $ |
| 03:56 EST |  Clear | 1°C / 34°F | -4°C / 25°F | 70% | 1025 mb (30.27 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KNTU 240856Z 03008KT 10SM CLR 01/M04 A3028 RMK AO2 SLP257 T00061039 50005 CHINO RWY 05R VISNO RWY 5R $ |
| 02:56 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1026 mb (30.3 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KNTU 240756Z 03006KT 10SM CLR M01/M03 A3029 RMK AO2 SLP258 T10061028 CHINO RWY 05R VISNO RWY 5R $ |
| 01:56 EST |  Partly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1025 mb (30.27 in) | Calm | - | 8SM |
| | KNTU 240656Z 00000KT 8SM FEW200 M01/M04 A3028 RMK AO2 SLP255 T10111039 VISNO RWY 5R $ |
| 00:56 EST |  Partly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KNTU 240556Z 00000KT 10SM FEW200 M02/M04 A3027 RMK AO2 SLP252 T10171039 10022 21022 58005 VISNO RWY 5R $ |