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. | ||||||||||||||||
| 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 | ||||||
| 29 | 16:56 | Calm | 10.00 | Fair | CLR | 82 | 61 | 49% | 83 | 30.21 | 1024.1 | ||||||
| 29 | 15:56 | Calm | 10.00 | Fair | CLR | 82 | 60.1 | 47% | 82 | 30.24 | 1025.1 | ||||||
| 29 | 14:56 | Calm | 10.00 | Fair | CLR | 81 | 59 | 47% | 81 | 30.26 | 1025.5 | ||||||
| 29 | 13:56 | Calm | 10.00 | Fair | CLR | 80.1 | 57.9 | 82 | 64 | 47% | 81 | 30.27 | 1025.9 | ||||
| 29 | 12:56 | Calm | 10.00 | Fair | CLR | 78.1 | 55.9 | 47% | 79 | 30.29 | 1026.6 | ||||||
| 29 | 11:56 | Calm | 10.00 | Fair | CLR | 75.9 | 57 | 52% | 78 | 30.29 | 1026.9 | ||||||
| 29 | 10:56 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN047 | 73.9 | 55.9 | 54% | 30.29 | 1026.7 | |||||||
| 29 | 09:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW047 | 70 | 55.9 | 61% | 30.28 | 1026.3 | |||||||
| 29 | 08:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW044 | 66.9 | 55.9 | 68% | 30.26 | 1025.9 | |||||||
| 29 | 07:56 | Calm | 10.00 | Mostly Cloudy | BKN043 | 64 | 61 | 66.9 | 61 | 90% | 30.26 | 1025.7 | |||||
| 29 | 06:56 | Calm | 10.00 | Fair | CLR | 62.1 | 62.1 | 100% | 30.25 | 1025.3 | |||||||
| 29 | 05:56 | Calm | 10.00 | Fair | CLR | 63 | 63 | 100% | 30.22 | 1024.3 | |||||||
| 29 | 04:56 | Calm | 10.00 | Fair | CLR | 64 | 64 | 100% | 30.2 | 1023.7 | |||||||
| 29 | 03:56 | Vrbl 3 | 10.00 | Fair | CLR | 66 | 64 | 93% | 30.18 | 1022.9 | |||||||
| 29 | 02:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66 | 97% | 30.16 | 1022.1 | |||||||
| 29 | 01:56 | Calm | 10.00 | Fair | CLR | 66 | 66 | 77 | 66 | 100% | 30.15 | 1021.8 | |||||
| 29 | 00:56 | Calm | 10.00 | Fair | CLR | 66.2 | 0 | 0% | 30.15 | 1021.8 | |||||||
| 28 | 23:56 | Calm | 10.00 | Fair | CLR | 66.2 | 0 | 0% | 30.13 | 1021.3 | |||||||
| 28 | 22:56 | Calm | 10.00 | Fair | CLR | 68 | 0 | 0% | 30.13 | 1021.1 | |||||||
| 28 | 21:56 | Calm | 10.00 | Fair | CLR | 69.1 | 69.1 | 100% | 30.12 | 1020.8 | |||||||
| 28 | 20:56 | Calm | 10.00 | Fair | CLR | 72 | 71.1 | 97% | 30.1 | 1020.2 | |||||||
| 28 | 19:56 | Calm | 10.00 | Partly Cloudy | SCT085 | 77 | 68 | 86 | 77 | 74% | 79 | 30.07 | 1019.3 | ||||
| 28 | 18:56 | Calm | 10.00 | Fair | CLR | 80.1 | 68 | 67% | 83 | 30.06 | 1018.9 | ||||||
| 28 | 17:56 | Vrbl 3 | 10.00 | Fair | CLR | 82.9 | 68 | 61% | 86 | 30.06 | 1018.8 | ||||||
| 28 | 16:56 | Calm | 10.00 | A Few Clouds | FEW065 | 81 | 69.1 | 67% | 84 | 30.05 | 1018.5 | ||||||
| 28 | 15:56 | Vrbl 5 | 10.00 | Mostly Cloudy | SCT047 BKN055 BKN100 | 82 | 69.1 | 65% | 85 | 30.05 | 1018.3 | ||||||
| 28 | 14:56 | Vrbl 6 | 10.00 | Partly Cloudy | FEW043 SCT050 | 86 | 69.1 | 57% | 90 | 30.04 | 1018.2 | ||||||
| 28 | 13:56 | Vrbl 3 | 8.00 | Partly Cloudy | SCT034 | 84.9 | 71.1 | 84.9 | 70 | 63% | 90 | 30.06 | 1018.6 | ||||
| 28 | 12:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW120 | 82 | 71.1 | 69% | 86 | 30.06 | 1018.8 | ||||||
| 28 | 11:56 | Vrbl 5 | 10.00 | A Few Clouds | FEW120 | 82.9 | 71.1 | 67% | 88 | 30.07 | 1019.1 | ||||||
| 28 | 10:56 | NW 3 | 10.00 | Fair | CLR | 79 | 72 | 79% | 82 | 30.07 | 1019.3 | ||||||
| 28 | 09:56 | NW 6 | 10.00 | Partly Cloudy | SCT100 | 75.9 | 73 | 91% | 76 | 30.06 | 1018.7 | ||||||
| 28 | 08:56 | NW 6 | 10.00 | Mostly Cloudy | BKN009 | 71.1 | 71.1 | 100% | 30.04 | 1018.2 | |||||||
| 28 | 07:56 | W 3 | 10.00 | Overcast | SCT009 BKN013 OVC090 | 69.8 | 0 | 70 | 68 | 0% | 30.02 | 1017.6 | |||||
| 28 | 06:56 | Calm | 9.00 | Mostly Cloudy | FEW007 BKN090 | 68 | 0 | 0% | 30 | 1016.6 | |||||||
| 28 | 05:56 | Calm | 9.00 | Fair | CLR | 68 | 0 | 0% | 29.98 | 1016.1 | |||||||
| 28 | 04:56 | NW 3 | 9.00 | Partly Cloudy | SCT016 | 69.8 | 0 | 0% | 29.98 | 1016.1 | |||||||
| 28 | 03:56 | Calm | 10.00 | Overcast | OVC016 | 69.8 | 0 | 0% | 29.98 | 1015.9 | |||||||
| 28 | 02:56 | Calm | 10.00 | Overcast | OVC018 | 68 | 0 | 0% | 29.98 | 1016.1 | |||||||
| 28 | 01:56 | Calm | 10.00 | Fair | CLR | 68 | 0 | 75.9 | 66.9 | 0% | 29.98 | 1016.1 | 0.53 | ||||
| 28 | 00:56 | Calm | 10.00 | A Few Clouds | FEW016 | 68 | 0 | 0% | 29.99 | 1016.5 | |||||||
| 27 | 23:56 | Calm | 7.00 | Fair | CLR | 68 | 0 | 0% | 29.98 | 1016.1 | |||||||
| 27 | 22:56 | Calm | 9.00 | Fair | CLR | 69.8 | 0 | 0% | 29.97 | 1015.9 | 0.53 | ||||||
| 27 | 21:56 | SE 9 | 10.00 | Thunderstorm in Vicinity | CLR | 71.1 | 71.1 | 100% | 29.98 | 1016.1 | |||||||
| 27 | 20:56 | Vrbl 3 | 10.00 | Thunderstorm in Vicinity Light Rain | FEW110 | 69.1 | 68 | 96% | 29.96 | 1015.7 | 0.53 | ||||||
| 27 | 19:56 | NW 12 | 10.00 | Thunderstorm Light Rain | FEW027 BKN035 BKN048 | 75.9 | 69.1 | 89.1 | 75.9 | 79% | 77 | 29.99 | 1016.3 | 0.01 | 0.01 | ||
| 27 | 18:56 | S 10 G 16 | 9.00 | Fair | CLR | 82 | 70 | 67% | 86 | 29.95 | 1014.9 | ||||||
| 27 | 17:56 | S 9 | 10.00 | A Few Clouds | FEW044 | 82.9 | 69.1 | 63% | 87 | 29.94 | 1014.6 | ||||||
| 27 | 16:56 | S 12 G 17 | 10.00 | A Few Clouds | FEW039 | 84.9 | 70 | 61% | 89 | 29.93 | 1014.3 | ||||||
| 27 | 15:56 | S 12 | 10.00 | Mostly Cloudy | BKN037 BKN046 BKN055 | 86 | 72 | 63% | 92 | 29.95 | 1015.0 | ||||||
| 27 | 14:56 | S 9 | 10.00 | Partly Cloudy | SCT037 SCT050 | 88 | 71.1 | 57% | 94 | 29.97 | 1015.6 | ||||||
| 27 | 13:56 | Vrbl 7 | 10.00 | Partly Cloudy | SCT033 | 87.1 | 72 | 87.1 | 73.9 | 61% | 94 | 29.98 | 1016.1 | ||||
| 27 | 12:56 | S 7 | 10.00 | A Few Clouds | FEW065 | 84.9 | 72 | 65% | 91 | 30 | 1016.7 | ||||||
| 27 | 11:56 | S 7 | 10.00 | Fair | CLR | 82.9 | 72 | 70% | 88 | 30.01 | 1017.0 | ||||||
| 27 | 10:56 | SW 3 | 10.00 | A Few Clouds | FEW055 | 77 | 73 | 88% | 78 | 30.03 | 1017.6 | ||||||
| 27 | 09:56 | S 3 | 10.00 | Light Rain | OVC055 | 75 | 72 | 90% | 74 | 30.02 | 1017.5 | ||||||
| 27 | 08:56 | W 7 | 10.00 | Mostly Cloudy | BKN050 BKN070 | 75 | 71.1 | 88% | 75 | 30.02 | 1017.4 | ||||||
| 27 | 07:56 | S 7 | 10.00 | Overcast | BKN060 OVC070 | 73.9 | 71.1 | 73.9 | 71.1 | 91% | 30.02 | 1017.4 | |||||
| 27 | 06:56 | S 5 | 10.00 | A Few Clouds | FEW100 | 72 | 72 | 100% | 30.01 | 1017.0 | |||||||
| 27 | 05:56 | Calm | 10.00 | Mostly Cloudy | FEW065 BKN100 | 72 | 71.1 | 97% | 30.01 | 1016.9 | |||||||
| 27 | 04:56 | S 6 | 10.00 | Overcast | BKN085 OVC110 | 73 | 70 | 90% | 30.01 | 1017.0 | |||||||
| 27 | 03:56 | SE 7 | 10.00 | Overcast | OVC095 | 73 | 69.1 | 87% | 30.01 | 1017.1 | |||||||
| 27 | 02:56 | S 7 | 10.00 | Overcast | OVC090 | 73 | 69.1 | 87% | 30.02 | 1017.4 | |||||||
| 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) | |||||||||||||||