Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 21 | 15:56 | S 3 | 10.00 | Partly Cloudy | SCT070 | 55.9 | 48.9 | 77% | 29.99 | 1017.0 | |||||||
| 21 | 14:56 | SE 5 | 10.00 | Fair | CLR | 57 | 48.9 | 74% | 29.99 | 1017.1 | |||||||
| 21 | 13:56 | Calm | 10.00 | A Few Clouds | FEW090 | 55 | 48 | 77% | 30.01 | 1017.8 | |||||||
| 21 | 12:56 | Calm | 9.00 | Overcast | OVC085 | 53.1 | 48.9 | 53.1 | 42.1 | 86% | 30.03 | 1018.2 | |||||
| 21 | 11:56 | SW 5 | 8.00 | Overcast | OVC011 | 52 | 50 | 93% | 30.05 | 1019.2 | |||||||
| 21 | 10:56 | Vrbl 3 | 7.00 | Overcast | OVC007 | 50 | 50 | 100% | 30.08 | 1020.0 | |||||||
| 21 | 09:56 | S 6 | 6.00 | Fog/Mist | OVC005 | 48 | 48 | 100% | 46 | 30.08 | 1020.1 | ||||||
| 21 | 08:56 | W 3 | 5.00 | Fog/Mist | OVC005 | 46.9 | 46.9 | 100% | 30.09 | 1020.5 | |||||||
| 21 | 07:56 | Calm | 6.00 | Overcast with Haze | OVC007 | 44.6 | 0 | 0% | 30.1 | 1020.9 | |||||||
| 21 | 06:56 | Calm | 6.00 | Overcast with Haze | OVC011 | 42.8 | 0 | 45 | 39 | 0% | 30.09 | 1020.7 | |||||
| 21 | 05:56 | Calm | 5.00 | Fair with Haze | CLR | 39.2 | 0 | 0% | 30.09 | 1020.8 | |||||||
| 21 | 04:56 | SE 3 | 9.00 | Mostly Cloudy | BKN016 | 41 | 41 | 100% | 30.08 | 1020.5 | |||||||
| 21 | 03:56 | Calm | 10.00 | Overcast | OVC016 | 44.1 | 44.1 | 100% | 30.1 | 1020.9 | |||||||
| 21 | 02:56 | Calm | 10.00 | Overcast | BKN018 OVC028 | 44.1 | 44.1 | 100% | 30.11 | 1021.3 | |||||||
| 21 | 00:56 | SE 3 | 10.00 | Overcast | FEW017 OVC024 | 44.1 | 44.1 | 45 | 43 | 100% | 30.13 | 1022.1 | |||||
| 20 | 23:56 | Calm | 9.00 | Overcast | OVC026 | 44.1 | 44.1 | 100% | 30.14 | 1022.3 | |||||||
| 20 | 22:56 | Calm | 9.00 | Overcast | SCT017 OVC021 | 44.1 | 44.1 | 100% | 30.15 | 1022.7 | |||||||
| 20 | 21:56 | Calm | 9.00 | Overcast | OVC019 | 44.1 | 44.1 | 100% | 30.17 | 1023.4 | |||||||
| 20 | 20:56 | Calm | 9.00 | Overcast | OVC019 | 44.1 | 43 | 96% | 30.16 | 1023.1 | |||||||
| 20 | 19:56 | Calm | 9.00 | Overcast | OVC021 | 44.1 | 43 | 96% | 30.17 | 1023.5 | |||||||
| 20 | 18:56 | Calm | 9.00 | Overcast | OVC021 | 44.1 | 42.1 | 45 | 43 | 93% | 30.17 | 1023.5 | |||||
| 20 | 17:56 | Calm | 10.00 | Overcast | BKN021 OVC027 | 44.1 | 42.1 | 93% | 30.17 | 1023.5 | |||||||
| 20 | 16:56 | Calm | 9.00 | Overcast | OVC031 | 44.1 | 42.1 | 93% | 30.16 | 1023.0 | |||||||
| 20 | 15:56 | NE 5 | 10.00 | Overcast | BKN029 OVC049 | 44.1 | 42.1 | 93% | 42 | 30.17 | 1023.5 | ||||||
| 20 | 14:56 | Calm | 10.00 | Overcast | OVC024 | 45 | 41 | 86% | 30.17 | 1023.3 | |||||||
| 20 | 13:56 | Calm | 10.00 | Overcast | BKN024 BKN032 OVC055 | 45 | 39.9 | 83% | 30.17 | 1023.6 | |||||||
| 20 | 12:56 | Vrbl 3 | 10.00 | Overcast | BKN016 OVC028 | 44.1 | 39.9 | 44.1 | 37 | 85% | 30.18 | 1023.7 | |||||
| 20 | 11:56 | SE 3 | 9.00 | Overcast | BKN016 OVC028 | 43 | 39.9 | 89% | 30.21 | 1024.7 | |||||||
| 20 | 10:56 | Calm | 9.00 | Overcast | SCT018 OVC026 | 42.1 | 39 | 89% | 30.24 | 1025.8 | |||||||
| 20 | 09:56 | Calm | 10.00 | Overcast | OVC014 | 42.1 | 37.9 | 85% | 30.24 | 1025.8 | |||||||
| 20 | 08:56 | Calm | 9.00 | Overcast | OVC014 | 39.2 | 0 | 0% | 30.26 | 1026.5 | |||||||
| 20 | 06:56 | Calm | 9.00 | Overcast | OVC020 | 37.4 | 0 | 37 | 33.1 | 0% | 30.24 | 1026.0 | |||||
| 20 | 05:56 | Calm | 6.00 | Overcast with Haze | OVC017 | 35.6 | 0 | 0% | 30.23 | 1025.6 | |||||||
| 20 | 04:56 | Calm | 5.00 | Overcast with Haze | OVC027 | 33.8 | 0 | 0% | 30.24 | 1025.9 | |||||||
| 20 | 03:56 | Calm | 4.00 | A Few Clouds with Haze | FEW015 | 35.6 | 0 | 0% | 30.23 | 1025.7 | |||||||
| 20 | 02:56 | Calm | 5.00 | Overcast with Haze | OVC015 | 37.4 | 0 | 0% | 30.24 | 1025.9 | |||||||
| 20 | 01:56 | Calm | 6.00 | Overcast with Haze | OVC015 | 35.6 | 0 | 0% | 30.24 | 1025.8 | |||||||
| 20 | 00:56 | Calm | 5.00 | Partly Cloudy with Haze | SCT017 | 35.6 | 0 | 41 | 35.1 | 0% | 30.24 | 1025.8 | |||||
| 19 | 23:56 | Calm | 10.00 | Fair | CLR | 37 | 37 | 100% | 30.24 | 1025.9 | |||||||
| 19 | 22:56 | Calm | 10.00 | Overcast | OVC019 | 39.9 | 39.9 | 100% | 30.26 | 1026.6 | |||||||
| 19 | 21:56 | Calm | 10.00 | Overcast | OVC019 | 39 | 39 | 100% | 30.27 | 1027.0 | |||||||
| 19 | 20:56 | Calm | 10.00 | Mostly Cloudy | SCT018 BKN023 | 39 | 39 | 100% | 30.27 | 1026.9 | |||||||
| 19 | 19:56 | Calm | 10.00 | Partly Cloudy | SCT016 | 39.9 | 39 | 97% | 30.25 | 1026.2 | |||||||
| 19 | 18:56 | Calm | 10.00 | Overcast | OVC016 | 42.1 | 41 | 45 | 42.1 | 96% | 30.23 | 1025.6 | |||||
| 19 | 17:56 | Calm | 10.00 | Overcast | OVC014 | 42.1 | 41 | 96% | 30.23 | 1025.6 | |||||||
| 19 | 16:56 | NW 3 | 10.00 | Overcast | OVC016 | 43 | 42.1 | 97% | 30.22 | 1025.2 | |||||||
| 19 | 15:56 | N 3 | 10.00 | Overcast | BKN015 OVC021 | 44.1 | 42.1 | 93% | 30.21 | 1024.8 | |||||||
| 19 | 14:56 | N 6 | 10.00 | Overcast | OVC021 | 45 | 42.1 | 90% | 42 | 30.19 | 1024.1 | ||||||
| 19 | 13:56 | Vrbl 5 | 10.00 | Overcast | OVC019 | 44.1 | 41 | 89% | 42 | 30.18 | 1023.9 | ||||||
| 19 | 12:56 | Vrbl 5 | 10.00 | Overcast | OVC016 | 44.1 | 43 | 44.1 | 41 | 96% | 42 | 30.18 | 1023.8 | ||||
| 19 | 11:56 | N 5 | 10.00 | Overcast | OVC014 | 44.1 | 44.1 | 100% | 42 | 30.18 | 1023.6 | ||||||
| 19 | 10:56 | Vrbl 5 | 10.00 | Overcast | OVC010 | 42.8 | 0 | 0% | 41 | 30.18 | 1023.8 | ||||||
| 19 | 09:56 | Calm | 6.00 | Overcast with Haze | OVC006 | 42.8 | 0 | 0% | 30.17 | 1023.4 | |||||||
| 19 | 07:56 | Calm | 2.00 | Fog/Mist | OVC004 | 41 | 0 | 0% | 30.12 | 1021.7 | |||||||
| 19 | 06:56 | Vrbl 3 | 4.00 | Overcast with Haze | OVC004 | 42.8 | 0 | 42.1 | 39.9 | 0% | 30.09 | 1020.6 | 0.12 | ||||
| 19 | 05:56 | N 3 | 2.50 | Fog/Mist | OVC004 | 42.8 | 0 | 0% | 30.05 | 1019.5 | 0.01 | ||||||
| 19 | 04:56 | Calm | 3.00 | Fog/Mist | OVC004 | 42.8 | 0 | 0% | 30.04 | 1019.0 | |||||||
| 19 | 03:56 | Calm | 5.00 | Overcast with Haze | OVC004 | 42.8 | 0 | 0% | 30.04 | 1018.7 | 0.03 | 0.11 | |||||
| 19 | 02:56 | E 5 | 5.00 | Light Rain | OVC004 | 41 | 0 | 0% | 38 | 30.04 | 1018.9 | 0.02 | |||||
| 19 | 01:56 | E 5 | 5.00 | Rain | OVC004 | 41 | 0 | 0% | 38 | 30.05 | 1019.1 | 0.06 | |||||
| 19 | 00:56 | E 5 | 6.00 | Light Rain | SCT006 BKN060 OVC100 | 39.2 | 0 | 42.1 | 39 | 0% | 36 | 30.08 | 1020.1 | 0.02 | 0.3 | ||
| 18 | 23:56 | Calm | 6.00 | Light Rain | BKN005 BKN060 OVC090 | 39.2 | 0 | 0% | 30.11 | 1021.5 | 0.09 | ||||||
| 18 | 22:56 | Calm | 3.00 | Rain | FEW004 OVC049 | 39.2 | 0 | 0% | 30.14 | 1022.2 | 0.11 | ||||||
| 18 | 21:56 | Calm | 7.00 | Light Rain | OVC040 | 39.2 | 0 | 0% | 30.13 | 1022.3 | 0.01 | 0.08 | |||||
| 18 | 20:56 | SE 3 | 10.00 | Light Rain | OVC046 | 39.2 | 0 | 0% | 30.15 | 1022.9 | 0.01 | ||||||
| 18 | 19:56 | SE 6 | 10.00 | Light Rain | BKN044 BKN065 OVC075 | 39.9 | 39.9 | 100% | 36 | 30.14 | 1022.5 | 0.06 | |||||
| 18 | 18:56 | Calm | 10.00 | Light Rain | SCT046 BKN060 OVC095 | 42.1 | 37 | 48.9 | 42.1 | 82% | 30.14 | 1022.7 | |||||
| 18 | 17:56 | S 6 | 10.00 | Light Rain | OVC050 | 44.1 | 30.9 | 60% | 41 | 30.16 | 1023.3 | ||||||
| 18 | 16:56 | SE 6 | 10.00 | Overcast | OVC055 | 46.9 | 25 | 42% | 45 | 30.15 | 1022.7 | ||||||
| Date | Time (est) | 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) | |||||||||||||||