| 14:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1001 mb (29.56 in) | ESE 24 kph (ESE 15 mph) | - | 10SM |
| | KGRR 251953Z 11013KT 10SM OVC013 04/01 A2955 RMK AO2 PK WND 12028/1934 SLP012 T00440011 $ |
| 13:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1001 mb (29.56 in) | SE 30 kph (SE 18.4 mph) | - | 10SM |
| | KGRR 251853Z 12016KT 10SM OVC013 04/01 A2956 RMK AO2 SLP017 T00440011 $ |
| 12:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1002 mb (29.59 in) | SE 24 kph (SE 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRR 251753Z 12013KT 10SM OVC013 04/01 A2959 RMK AO2 PK WND 12026/1655 RAB24E34 SLP025 4/003 P0000 60022 T00440011 10044 20011 58020 $ |
| 11:53 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1003 mb (29.62 in) | SE 28 kph (SE 17.3 mph) | - | 10SM |
| | KGRR 251653Z 12015G24KT 10SM OVC011 04/02 A2962 RMK AO2 PK WND 12027/1604 SLP037 T00440017 $ |
| 11:08 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1004 mb (29.65 in) | ESE 33 kph (ESE 20.7 mph) | - | 10SM |
| | KGRR 251608Z 11018G27KT 10SM OVC011 04/02 A2964 RMK AO2 PK WND 12027/1604 $ |
| 10:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1004 mb (29.65 in) | ESE 30 kph (ESE 18.4 mph) | 0.25 mm (0.01 in) | 10SM |
| | KGRR 251553Z 11016KT 10SM OVC009 04/01 A2965 RMK AO2 RAE22 CIG 008V012 SLP046 P0001 T00390011 $ |
| 09:53 EST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1004 mb (29.65 in) | E 30 kph (E 18.4 mph) | 2.03 mm (0.08 in) | 6SM |
| | KGRR 251453Z 10016G23KT 6SM -RA OVC009 03/01 A2965 RMK AO2 PK WND 10026/1402 CIG 007V014 SLP047 P0008 60021 T00330006 55017 $ |
| 09:33 EST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1004 mb (29.65 in) | ESE 33 kph (ESE 20.7 mph) | 1.27 mm (0.05 in) | 7SM |
| | KGRR 251433Z 11018G24KT 7SM -RA OVC009 03/01 A2965 RMK AO2 PK WND 10026/1402 CIG 008V013 P0005 $ |
| 08:53 EST |  Overcast Rain | 3°C / 37°F | 0°C / 32°F | 81% | 1004 mb (29.65 in) | E 37 kph (E 23 mph) | 1.52 mm (0.06 in) | 4SM |
| | KGRR 251353Z 10020G26KT 4SM RA OVC011 03/00 A2964 RMK AO2 PK WND 11028/1307 SLP045 P0006 T00280000 $ |
| 08:18 EST |  Overcast Light Rain | 2°C / 36°F | -1°C / 30°F | 81% | 1004 mb (29.65 in) | E 37 kph (E 23 mph) | 0.25 mm (0.01 in) | 9SM |
| | KGRR 251318Z 10020G27KT 9SM -RA OVC013 02/M01 A2966 RMK AO2 PK WND 11028/1307 P0001 $ |
| 07:53 EST |  Overcast Light Rain | 2°C / 36°F | -1°C / 30°F | 81% | 1004 mb (29.65 in) | E 37 kph (E 23 mph) | 1.78 mm (0.07 in) | 7SM |
| | KGRR 251253Z 09020KT 7SM -RA OVC015 02/M01 A2965 RMK AO2 PK WND 07027/1216 RAB15FZRAE15 SLP048 P0007 T00221006 $ |
| 07:31 EST |  Overcast Light Rain | 2°C / 36°F | -1°C / 30°F | 81% | 1004 mb (29.65 in) | E 33 kph (E 20.7 mph) | 1.52 mm (0.06 in) | 7SM |
| | KGRR 251231Z 08018G24KT 7SM -RA SCT019 BKN025 OVC060 02/M01 A2966 RMK AO2 PK WND 07027/1216 RAB15FZRAE15 CIG 019 RWY 8R P0006 $ |
| 07:19 EST |  Overcast Light Rain | 2°C / 36°F | -1°C / 30°F | 81% | 1005 mb (29.68 in) | E 33 kph (E 20.7 mph) | 1.52 mm (0.06 in) | 5SM |
| | KGRR 251219Z 08018G27KT 5SM -RA SCT024 BKN032 OVC055 02/M01 A2967 RMK AO2 PK WND 07027/1216 RAB15FZRAE15 PRESFR P0006 $ |
| 07:10 EST |  Overcast Freezing Rain | 2°C / 36°F | -1°C / 30°F | 81% | 1005 mb (29.68 in) | E 37 kph (E 23 mph) | 1.27 mm (0.05 in) | 4SM |
| | KGRR 251210Z 08020G24KT 4SM FZRA BKN026 BKN045 OVC060 02/M01 A2968 RMK AO2 P0005 $ |
| 06:53 EST |  Overcast Freezing Rain | 1°C / 34°F | -1°C / 30°F | 87% | 1006 mb (29.71 in) | E 33 kph (E 20.7 mph) | 0.51 mm (0.02 in) | 4SM |
| | KGRR 251153Z 08018KT 4SM FZRA BR BKN030 OVC044 01/M01 A2970 RMK AO2 SLP065 4/004 P0002 6//// 7//// T00111011 10011 21006 58030 $ |
| 05:53 EST |  Overcast Light Freezing Rain | 1°C / 34°F | -2°C / 28°F | 81% | 1007 mb (29.74 in) | E 35 kph (E 21.9 mph) | - | 8SM |
| | KGRR 251053Z 08019G24KT 8SM -FZRA FEW044 OVC070 01/M02 A2973 RMK AO2 RAB13E31FZRAB31 SLP075 T00111022 PNO $ |
| 05:37 EST |  Overcast Light Freezing Rain | 1°C / 34°F | -2°C / 28°F | 81% | 1007 mb (29.74 in) | E 30 kph (E 18.4 mph) | - | 8SM |
| | KGRR 251037Z 09016G23KT 8SM -FZRA OVC070 01/M02 A2975 RMK AO2 RAB13E31FZRAB31 PNO $ |
| 04:53 EST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1008 mb (29.77 in) | E 33 kph (E 20.7 mph) | - | 10SM |
| | KGRR 250953Z AUTO 10018G26KT 10SM OVC085 01/M03 A2977 RMK AO2 PK WND 10026/0949 SLP091 T00061028 PNO $ |
| 03:53 EST |  Mostly Cloudy | 0°C / 32°F | -3°C / 27°F | 80% | 1009 mb (29.8 in) | E 33 kph (E 20.7 mph) | - | 9SM |
| | KGRR 250853Z AUTO 08018G23KT 9SM BKN100 00/M03 A2979 RMK AO2 PRESFR SLP097 6//// T00001028 58032 PNO $ |
| 02:53 EST |  Overcast | 0°C / 32°F | -3°C / 27°F | 80% | 1011 mb (29.85 in) | E 32 kph (E 19.6 mph) | - | 8SM |
| | KGRR 250753Z AUTO 09017KT 8SM OVC065 00/M03 A2986 RMK AO2 UPB25E42 SLP119 T00001033 PNO $ |
| 01:53 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1012 mb (29.88 in) | E 30 kph (E 18.4 mph) | - | 8SM |
| | KGRR 250653Z AUTO 09016KT 8SM OVC060 M01/M03 A2988 RMK AO2 SLP128 T10061033 PNO $ |
| 00:53 EST |  Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1012 mb (29.88 in) | E 33 kph (E 20.7 mph) | - | 7SM |
| | KGRR 250553Z AUTO 09018KT 7SM BKN120 M01/M03 A2989 RMK AO2 SLP131 6//// T10061033 11006 21011 56039 PNO $ |