Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 01 | 16:56 | W 10 | 10.00 | A Few Clouds | FEW050 | 93.9 | 73 | 51% | 103 | 29.99 | 1016.1 | ||||||
| 01 | 15:56 | W 12 | 10.00 | Mostly Cloudy | SCT050 BKN100 | 91.9 | 73.9 | 56% | 102 | 29.99 | 1016.4 | ||||||
| 01 | 14:56 | Vrbl 7 | 10.00 | Mostly Cloudy | BKN100 | 89.1 | 73 | 59% | 97 | 30.02 | 1017.3 | ||||||
| 01 | 13:56 | W 8 | 10.00 | Fair | CLR | 91.9 | 73.9 | 91.9 | 75 | 56% | 102 | 30.02 | 1017.2 | ||||
| 01 | 12:56 | W 6 | 10.00 | Fair | CLR | 88 | 75.9 | 68% | 99 | 30.03 | 1017.7 | ||||||
| 01 | 11:56 | W 8 | 10.00 | Fair | CLR | 87.1 | 73.9 | 65% | 95 | 30.05 | 1018.3 | ||||||
| 01 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 81 | 73 | 77% | 86 | 30.06 | 1018.8 | ||||||
| 01 | 08:56 | W 7 | 10.00 | A Few Clouds | FEW120 | 80.1 | 73.9 | 82% | 85 | 30.07 | 1019.0 | ||||||
| 01 | 07:56 | Calm | 10.00 | Fair | CLR | 75 | 75 | 77 | 73 | 100% | 72 | 30.07 | 1019.1 | ||||
| 01 | 06:56 | Calm | 4.00 | Fair with Haze | CLR | 73.4 | 0 | 0% | 30.06 | 1018.8 | |||||||
| 01 | 05:56 | Calm | 6.00 | Fair with Haze | CLR | 73.4 | 0 | 0% | 30.05 | 1018.5 | |||||||
| 01 | 04:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 0% | 30.06 | 1018.7 | |||||||
| 01 | 03:56 | Calm | 10.00 | Fair | CLR | 75 | 75 | 100% | 72 | 30.06 | 1018.7 | ||||||
| 01 | 02:56 | Calm | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.07 | 1019.0 | ||||||
| 01 | 01:56 | S 3 | 10.00 | Fair | CLR | 77 | 77 | 79 | 73 | 100% | 78 | 30.08 | 1019.4 | ||||
| 01 | 00:56 | SE 5 | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.09 | 1019.7 | ||||||
| 31 | 23:56 | Calm | 10.00 | Partly Cloudy | SCT110 | 73.4 | 0 | 0% | 30.1 | 1020.0 | |||||||
| 31 | 22:56 | Calm | 10.00 | Mostly Cloudy | BKN110 | 73.4 | 0 | 0% | 30.1 | 1020.3 | |||||||
| 31 | 21:56 | SE 5 | 10.00 | Fair | CLR | 75 | 75 | 100% | 72 | 30.1 | 1020.0 | ||||||
| 31 | 20:56 | Calm | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.1 | 1020.0 | ||||||
| 31 | 19:56 | Calm | 10.00 | Partly Cloudy | SCT110 | 78.1 | 75 | 86 | 77 | 90% | 81 | 30.09 | 1019.8 | ||||
| 31 | 18:56 | Calm | 10.00 | Partly Cloudy | SCT120 | 80.1 | 75 | 85% | 85 | 30.09 | 1019.8 | ||||||
| 31 | 17:56 | Calm | 10.00 | Fair | CLR | 82 | 73 | 74% | 87 | 30.11 | 1020.4 | ||||||
| 31 | 16:56 | Calm | 10.00 | Fair | CLR | 82 | 73 | 74% | 87 | 30.11 | 1020.3 | ||||||
| 31 | 15:56 | Calm | 10.00 | A Few Clouds | FEW030 | 84 | 71.1 | 65% | 89 | 30.11 | 1020.5 | ||||||
| 31 | 14:56 | Calm | 10.00 | Partly Cloudy | SCT030 | 82.9 | 72 | 70% | 88 | 30.13 | 1021.1 | ||||||
| 31 | 13:56 | Calm | 10.00 | Fair | CLR | 82 | 72 | 84 | 72 | 72% | 87 | 30.13 | 1021.3 | ||||
| 31 | 12:56 | Vrbl 3 | 10.00 | Fair | CLR | 82.9 | 71.1 | 67% | 88 | 30.15 | 1021.7 | ||||||
| 31 | 11:56 | Vrbl 3 | 10.00 | Partly Cloudy | SCT100 | 82 | 70 | 67% | 86 | 30.15 | 1022.0 | ||||||
| 31 | 10:56 | Calm | 10.00 | Mostly Cloudy | BKN095 | 79 | 72 | 79% | 82 | 30.15 | 1021.9 | ||||||
| 31 | 09:56 | Calm | 10.00 | Overcast | OVC110 | 77 | 73 | 88% | 78 | 30.15 | 1021.8 | ||||||
| 31 | 08:56 | Calm | 10.00 | Mostly Cloudy | BKN010 BKN110 | 73.9 | 73.9 | 100% | 30.15 | 1021.9 | |||||||
| 31 | 07:56 | Calm | 10.00 | Fair | CLR | 72 | 72 | 72 | 68 | 100% | 30.14 | 1021.4 | |||||
| 31 | 06:56 | Calm | 10.00 | Partly Cloudy | SCT120 | 69.8 | 0 | 0% | 30.12 | 1020.7 | |||||||
| 31 | 05:56 | Calm | 10.00 | Partly Cloudy | SCT120 | 68 | 0 | 0% | 30.11 | 1020.3 | |||||||
| 31 | 04:56 | Calm | 10.00 | Fair | CLR | 68 | 0 | 0% | 30.1 | 1020.2 | |||||||
| 31 | 03:56 | Calm | 10.00 | Partly Cloudy | SCT070 | 69.8 | 0 | 0% | 30.1 | 1020.1 | |||||||
| 31 | 02:56 | Calm | 10.00 | Fair | CLR | 69.8 | 0 | 0% | 30.1 | 1020.1 | |||||||
| 31 | 01:56 | Calm | 10.00 | Fair | CLR | 69.8 | 0 | 78.1 | 69.1 | 0% | 30.11 | 1020.4 | |||||
| 31 | 00:56 | Calm | 10.00 | A Few Clouds | FEW110 | 69.8 | 0 | 0% | 30.11 | 1020.6 | |||||||
| 30 | 23:56 | Calm | 10.00 | Mostly Cloudy | BKN100 | 71.6 | 0 | 0% | 30.12 | 1020.9 | |||||||
| 30 | 22:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 30.13 | 1021.0 | |||||||
| 30 | 21:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 30.14 | 1021.5 | |||||||
| 30 | 20:56 | Calm | 10.00 | A Few Clouds | FEW120 | 73.9 | 72 | 94% | 30.13 | 1021.2 | |||||||
| 30 | 19:56 | S 9 G 18 | 10.00 | Thunderstorm in Vicinity | FEW043 BKN110 | 78.1 | 72 | 89.1 | 78.1 | 82% | 80 | 30.12 | 1020.6 | ||||
| 30 | 18:56 | S 3 | 10.00 | A Few Clouds | FEW039 | 84 | 70 | 63% | 88 | 30.11 | 1020.2 | ||||||
| 30 | 17:56 | S 6 | 10.00 | Mostly Cloudy | BKN040 | 86 | 71.1 | 61% | 92 | 30.1 | 1020.0 | ||||||
| 30 | 16:56 | Calm | 10.00 | Mostly Cloudy | FEW055 BKN090 | 86 | 70 | 59% | 91 | 30.1 | 1019.9 | ||||||
| 30 | 15:56 | Vrbl 5 | 10.00 | Mostly Cloudy | BKN036 BKN047 | 88 | 72 | 59% | 95 | 30.11 | 1020.4 | ||||||
| 30 | 14:56 | W 6 | 10.00 | Mostly Cloudy | FEW029 BKN120 | 84 | 71.1 | 65% | 89 | 30.14 | 1021.6 | ||||||
| 30 | 13:56 | Vrbl 6 | 10.00 | A Few Clouds | FEW027 | 82.9 | 71.1 | 84 | 72 | 67% | 88 | 30.16 | 1022.3 | ||||
| 30 | 12:56 | W 5 | 10.00 | Overcast | SCT023 OVC055 | 79 | 71.1 | 77% | 82 | 30.19 | 1023.5 | ||||||
| 30 | 10:56 | SW 10 | 10.00 | Overcast | OVC017 | 78.1 | 72 | 82% | 80 | 30.2 | 1023.7 | ||||||
| 30 | 09:56 | SW 7 | 10.00 | Overcast | OVC013 | 75.9 | 72 | 88% | 76 | 30.21 | 1023.9 | ||||||
| 30 | 08:56 | SW 6 | 10.00 | Overcast | OVC009 | 73.9 | 73 | 97% | 30.22 | 1024.5 | |||||||
| 30 | 07:56 | SW 5 | 10.00 | Overcast | OVC007 | 72 | 72 | 72 | 66 | 100% | 30.22 | 1024.5 | |||||
| 30 | 06:56 | S 6 | 9.00 | Overcast | OVC005 | 71.6 | 0 | 0% | 30.22 | 1024.3 | |||||||
| 30 | 05:56 | S 8 | 10.00 | Overcast | OVC007 | 72 | 72 | 100% | 30.22 | 1024.1 | |||||||
| 30 | 04:56 | Calm | 10.00 | Overcast | OVC009 | 70 | 66.9 | 90% | 30.22 | 1024.1 | |||||||
| 30 | 03:56 | Calm | 10.00 | Overcast | BKN020 BKN027 OVC090 | 66 | 64.9 | 96% | 30.22 | 1024.5 | |||||||
| 30 | 02:56 | SE 3 | 10.00 | Overcast | FEW022 BKN027 OVC031 | 68 | 63 | 84% | 30.23 | 1024.5 | |||||||
| 30 | 01:56 | SE 5 | 10.00 | Overcast | BKN031 OVC046 | 66.9 | 64 | 72 | 64.9 | 91% | 30.24 | 1025.0 | |||||
| 30 | 00:56 | Calm | 10.00 | Partly Cloudy | FEW035 SCT075 | 64.9 | 63 | 93% | 30.24 | 1025.1 | |||||||
| 29 | 23:56 | Calm | 10.00 | Partly Cloudy | SCT075 | 66 | 62.1 | 87% | 30.23 | 1024.7 | |||||||
| 29 | 22:56 | Calm | 10.00 | Mostly Cloudy | BKN080 | 68 | 62.1 | 81% | 30.23 | 1024.9 | |||||||
| 29 | 21:56 | Calm | 10.00 | Partly Cloudy | SCT080 | 68 | 63 | 84% | 30.23 | 1024.7 | |||||||
| 29 | 20:56 | Calm | 10.00 | Fair | CLR | 70 | 63 | 79% | 30.21 | 1024.1 | |||||||
| 29 | 19:56 | Calm | 10.00 | Fair | CLR | 72 | 62.1 | 84 | 72 | 71% | 30.21 | 1023.8 | |||||
| 29 | 18:56 | Calm | 10.00 | A Few Clouds | FEW060 | 78.1 | 62.1 | 58% | 80 | 30.21 | 1024.1 | ||||||
| 29 | 17:56 | Calm | 10.00 | Partly Cloudy | SCT060 | 79 | 62.1 | 56% | 80 | 30.21 | 1024.2 | ||||||
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||