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. | ||||||||||||||||
| 08 | 13:56 | NW 9 | 10.00 | Fair | CLR | 84 | 73 | 88 | 73 | 70% | 90 | 30.08 | 1019.3 | ||||
| 08 | 12:56 | Vrbl 5 | 10.00 | Mostly Cloudy | BKN049 BKN070 | 82.9 | 73 | 72% | 89 | 30.11 | 1020.2 | ||||||
| 08 | 11:56 | W 10 | 10.00 | Mostly Cloudy | SCT065 BKN090 | 86 | 71.1 | 61% | 92 | 30.11 | 1020.5 | ||||||
| 08 | 10:56 | Vrbl 5 | 10.00 | Fair | CLR | 84.9 | 72 | 65% | 91 | 30.1 | 1020.3 | ||||||
| 08 | 09:56 | Vrbl 3 | 10.00 | Fair | CLR | 81 | 71.1 | 72% | 85 | 30.1 | 1020.0 | ||||||
| 08 | 08:56 | Calm | 10.00 | Fair | CLR | 78.1 | 73.9 | 87% | 81 | 30.11 | 1020.3 | ||||||
| 08 | 07:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 73 | 70 | 0% | 30.1 | 1020.3 | |||||
| 08 | 06:56 | Calm | 6.00 | Fair with Haze | CLR | 69.8 | 0 | 0% | 30.1 | 1020.2 | |||||||
| 08 | 05:56 | Calm | 2.50 | Fog/Mist | CLR | 69.8 | 0 | 0% | 30.09 | 1019.7 | |||||||
| 08 | 04:56 | Calm | 6.00 | Fair with Haze | CLR | 71.6 | 0 | 0% | 30.08 | 1019.4 | |||||||
| 08 | 03:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 30.07 | 1019.1 | |||||||
| 08 | 02:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 30.06 | 1018.8 | |||||||
| 08 | 01:56 | Calm | 10.00 | Fair | CLR | 73 | 73 | 77 | 72 | 100% | 30.07 | 1019.2 | |||||
| 08 | 00:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 0% | 30.09 | 1019.9 | |||||||
| 07 | 23:56 | NW 3 | 8.00 | Fair | CLR | 75 | 75 | 100% | 72 | 30.1 | 1020.0 | ||||||
| 07 | 22:56 | SW 5 | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.12 | 1020.8 | ||||||
| 07 | 21:56 | S 5 | 10.00 | Fair | CLR | 77 | 77 | 100% | 78 | 30.13 | 1020.9 | ||||||
| 07 | 20:56 | Calm | 10.00 | Fair | CLR | 75.2 | 0 | 0% | 30.11 | 1020.5 | |||||||
| 07 | 19:56 | Calm | 10.00 | A Few Clouds | FEW033 | 75.2 | 0 | 91.9 | 73.9 | 0% | 30.1 | 1020.3 | 0.02 | ||||
| 07 | 18:56 | Calm | 10.00 | Thunderstorm in Vicinity Rain | FEW033 SCT055 BKN110 | 77 | 75.9 | 96% | 78 | 30.12 | 1020.8 | ||||||
| 07 | 16:56 | W 9 | 10.00 | Thunderstorm in Vicinity | BKN046 BKN060 | 87.1 | 73.9 | 65% | 95 | 30.08 | 1019.4 | ||||||
| 07 | 15:56 | NW 6 | 10.00 | Partly Cloudy | SCT042 | 88 | 73 | 61% | 96 | 30.09 | 1019.7 | ||||||
| 07 | 14:56 | SW 8 | 8.00 | Mostly Cloudy | BKN044 | 91 | 73.9 | 57% | 101 | 30.11 | 1020.3 | ||||||
| 07 | 13:56 | Vrbl 7 | 10.00 | Fair | CLR | 90 | 73.9 | 90 | 73 | 59% | 99 | 30.13 | 1021.1 | ||||
| 07 | 12:56 | S 6 | 8.00 | Fair | CLR | 90 | 73 | 58% | 98 | 30.15 | 1021.9 | ||||||
| 07 | 11:56 | W 5 | 10.00 | Fair | CLR | 86 | 75 | 70% | 95 | 30.16 | 1022.3 | ||||||
| 07 | 10:56 | Calm | 10.00 | A Few Clouds | FEW020 | 84 | 73.9 | 72% | 91 | 30.17 | 1022.5 | ||||||
| 07 | 09:56 | Vrbl 5 | 10.00 | Fair | CLR | 81 | 73 | 77% | 86 | 30.18 | 1022.6 | ||||||
| 07 | 08:56 | W 3 | 10.00 | Fair | CLR | 77 | 75.9 | 96% | 78 | 30.19 | 1023.1 | ||||||
| 07 | 07:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 73 | 69.1 | 0% | 30.18 | 1022.8 | |||||
| 07 | 06:56 | Calm | 7.00 | Fair | CLR | 69.8 | 0 | 0% | 30.17 | 1022.6 | |||||||
| 07 | 05:56 | Calm | 6.00 | Fair with Haze | CLR | 69.8 | 0 | 0% | 30.16 | 1022.2 | |||||||
| 07 | 04:56 | Calm | 6.00 | Fair with Haze | CLR | 69.8 | 0 | 0% | 30.16 | 1022.1 | |||||||
| 07 | 03:56 | Calm | 6.00 | Fair with Haze | CLR | 69.8 | 0 | 0% | 30.16 | 1022.1 | |||||||
| 07 | 02:56 | Calm | 8.00 | Fair | CLR | 71.6 | 0 | 0% | 30.16 | 1022.2 | |||||||
| 07 | 01:56 | Calm | 6.00 | Fair with Haze | CLR | 71.6 | 0 | 77 | 71.1 | 0% | 30.16 | 1022.3 | |||||
| 07 | 00:56 | Calm | 9.00 | Fair | CLR | 71.6 | 0 | 0% | 30.18 | 1022.9 | |||||||
| 06 | 23:56 | Calm | 9.00 | Partly Cloudy | SCT085 | 73.4 | 0 | 0% | 30.19 | 1023.1 | |||||||
| 06 | 22:56 | Calm | 8.00 | Fair | CLR | 73.4 | 0 | 0% | 30.19 | 1023.0 | |||||||
| 06 | 21:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 0% | 30.17 | 1022.4 | |||||||
| 06 | 20:56 | W 9 | 10.00 | Partly Cloudy | SCT008 SCT050 SCT100 | 75.2 | 0 | 0% | 30.16 | 1022.1 | |||||||
| 06 | 19:56 | NW 6 | 10.00 | Light Rain | FEW050 SCT070 BKN110 | 75.2 | 0 | 91.9 | 75.9 | 0% | 30.15 | 1021.7 | 0.19 | ||||
| 06 | 18:56 | Calm | 10.00 | A Few Clouds | FEW080 | 78.1 | 78.1 | 100% | 81 | 30.13 | 1021.3 | ||||||
| 06 | 17:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW100 | 79 | 79 | 100% | 84 | 30.14 | 1021.5 | 0.05 | |||||
| 06 | 16:56 | Vrbl 5 | 10.00 | Thunderstorm in Vicinity Light Rain | FEW046 SCT060 BKN085 | 79 | 79 | 100% | 84 | 30.12 | 1020.8 | 0.13 | 0.14 | ||||
| 06 | 15:56 | W 10 | 8.00 | Thunderstorm Rain | FEW065 SCT080 OVC100 | 80.1 | 79 | 97% | 87 | 30.14 | 1021.5 | 0.01 | |||||
| 06 | 14:56 | SE 7 | 10.00 | Partly Cloudy | SCT042 | 91.9 | 73.9 | 56% | 102 | 30.13 | 1021.1 | ||||||
| 06 | 13:56 | Calm | 8.00 | Mostly Cloudy | BKN041 | 88 | 73 | 91 | 77 | 61% | 96 | 30.15 | 1021.5 | ||||
| 06 | 12:56 | W 7 | 3.00 | A Few Clouds with Haze | FEW035 | 88 | 75.9 | 68% | 99 | 30.16 | 1022.1 | ||||||
| 06 | 11:56 | W 7 | 9.00 | Partly Cloudy | SCT027 | 87.1 | 75.9 | 70% | 98 | 30.17 | 1022.5 | ||||||
| 06 | 10:56 | NW 6 | 10.00 | Partly Cloudy | SCT022 | 84.9 | 77 | 77% | 95 | 30.17 | 1022.3 | ||||||
| 06 | 09:56 | W 5 | 10.00 | Mostly Cloudy | BKN015 | 82 | 78.1 | 88% | 91 | 30.16 | 1022.3 | ||||||
| 06 | 08:56 | S 5 | 10.00 | Partly Cloudy | SCT009 | 80.1 | 79 | 97% | 87 | 30.15 | 1021.8 | ||||||
| 06 | 07:56 | SW 3 | 10.00 | Overcast | OVC007 | 77 | 77 | 78.1 | 75 | 100% | 78 | 30.16 | 1021.9 | ||||
| 06 | 06:56 | S 3 | 9.00 | Partly Cloudy | SCT009 | 75.2 | 0 | 0% | 30.14 | 1021.3 | |||||||
| 06 | 05:56 | S 5 | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.13 | 1021.1 | ||||||
| 06 | 04:56 | S 3 | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.12 | 1020.7 | ||||||
| 06 | 03:56 | Vrbl 5 | 10.00 | Fair | CLR | 75.9 | 75.9 | 100% | 75 | 30.12 | 1020.8 | ||||||
| 06 | 02:56 | S 7 | 10.00 | Fair | CLR | 77 | 77 | 100% | 78 | 30.11 | 1020.4 | ||||||
| 06 | 01:56 | S 5 | 10.00 | A Few Clouds | FEW035 | 78.1 | 77 | 80.1 | 75.9 | 97% | 81 | 30.13 | 1020.9 | ||||
| 06 | 00:56 | S 5 | 10.00 | Overcast | SCT040 OVC047 | 79 | 75.9 | 90% | 83 | 30.14 | 1021.5 | ||||||
| 05 | 23:56 | Calm | 10.00 | Fair | CLR | 78.1 | 75 | 90% | 81 | 30.13 | 1021.2 | ||||||
| 05 | 22:56 | Calm | 10.00 | Fair | CLR | 78.1 | 75.9 | 93% | 81 | 30.13 | 1021.1 | ||||||
| 05 | 21:56 | Vrbl 3 | 10.00 | Fair | CLR | 80.1 | 75.9 | 87% | 85 | 30.12 | 1020.6 | ||||||
| 05 | 20:56 | SE 3 | 10.00 | Mostly Cloudy | BKN047 | 78.8 | 0 | 0% | 30.11 | 1020.3 | |||||||
| 05 | 19:56 | Calm | 10.00 | Mostly Cloudy | SCT034 BKN065 | 80.1 | 78.1 | 86 | 78.1 | 94% | 86 | 30.1 | 1020.0 | 0.06 | |||
| 05 | 18:56 | Calm | 10.00 | Fair | CLR | 84 | 75.9 | 77% | 93 | 30.08 | 1019.5 | ||||||
| 05 | 17:56 | Vrbl 3 | 10.00 | Fair | CLR | 84.9 | 75.9 | 75% | 94 | 30.09 | 1019.6 | ||||||
| 05 | 16:56 | Calm | 10.00 | Overcast | FEW017 BKN039 OVC070 | 81 | 79 | 94% | 89 | 30.09 | 1019.9 | 0.06 | |||||
| 05 | 15:56 | SW 5 | 10.00 | Overcast | FEW015 BKN034 OVC050 | 82.9 | 79 | 88% | 94 | 30.1 | 1020.1 | 0.01 | |||||
| 05 | 14:56 | S 7 | 8.00 | Rain | FEW012 BKN024 OVC036 | 79 | 79 | 100% | 84 | 30.12 | 1020.7 | 0.05 | |||||
| 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) | |||||||||||||||