| 10:55 EST |  Overcast Showers | 8°C / 46°F | 6°C / 43°F | 87% | 999 mb (29.5 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KPSM 301555Z 00000KT 10SM -SHRA FEW050 OVC080 08/06 A2951 RMK AO2A SLP995 P0000 T00770062 |
| 09:55 EST |  Overcast Showers | 6°C / 43°F | 5°C / 41°F | 93% | 1000 mb (29.53 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KPSM 301455Z 00000KT 10SM -SHRA FEW050 OVC080 06/05 A2953 RMK AO2A SLP002 P0000 60000 T00610048 58004 |
| 09:20 EST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1001 mb (29.56 in) | SSW 6 kph (SSW 3.5 mph) | - | 6SM |
| | KPSM 301420Z 24003KT 6SM -RA BR OVC065 06/04 A2955 RMK AO2A |
| 08:55 EST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1000 mb (29.53 in) | Calm | - | 10SM |
| | KPSM 301355Z 00000KT 10SM OVC075 06/04 A2954 RMK AO2A SLP006 T00640043 |
| 07:55 EST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1000 mb (29.53 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KPSM 301255Z 33003KT 10SM OVC075 05/03 A2954 RMK AO2A SLP005 T00480030 |
| 06:55 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1000 mb (29.53 in) | Calm | 0.00 mm (0.00 in) | 8SM |
| | KPSM 301155Z 00000KT 8SM OVC100 04/02 A2954 RMK AO2A SLP006 P0000 60000 T00350021 10051 20033 56021 |
| 06:23 EST |  Overcast Light Rain | 4°C / 39°F | 2°C / 36°F | 87% | 1001 mb (29.56 in) | NNW 6 kph (NNW 3.5 mph) | - | 8SM |
| | KPSM 301123Z 33003KT 8SM -RA FEW050 BKN110 OVC200 04/02 A2955 RMK AO2A |
| 05:55 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1001 mb (29.56 in) | Calm | - | 10SM |
| | KPSM 301055Z 00000KT 10SM FEW050 OVC110 04/02 A2956 RMK AO2A SLP014 T00360019 |
| 04:55 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1001 mb (29.56 in) | Calm | - | 10SM |
| | KPSM 300955Z 00000KT 10SM FEW050 OVC090 04/02 A2957 RMK AO2A SLP017 T00370021 |
| 03:55 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1002 mb (29.59 in) | Calm | - | 10SM |
| | KPSM 300855Z 00000KT 10SM FEW060 OVC090 04/02 A2960 RMK AO2A SLP026 T00370019 58023 |
| 02:55 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1003 mb (29.62 in) | Calm | - | 10SM |
| | KPSM 300755Z 00000KT 10SM OVC075 04/02 A2963 RMK AO2A SLP036 T00440023 |
| 01:55 EST |  Mostly Cloudy | 5°C / 41°F | 2°C / 36°F | 81% | 1004 mb (29.65 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KPSM 300655Z 17003KT 10SM BKN090 BKN250 05/02 A2965 RMK AO2A SLP044 T00470017 |
| 00:55 EST |  Mostly Cloudy | 4°C / 39°F | 1°C / 34°F | 81% | 1005 mb (29.68 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KPSM 300555Z 16004KT 10SM BKN250 04/01 A2967 RMK AO2A SLP049 T00400005 10072 20029 58025 |