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 | 18:56 | NW 12 G 20 | 10.00 | Partly Cloudy | FEW055 SCT080 | 57.9 | 39 | 50% | 29.86 | 1012.7 | |||||||
| 30 | 17:56 | NW 17 G 23 | 10.00 | A Few Clouds | FEW060 | 63 | 39 | 41% | 29.83 | 1011.4 | |||||||
| 30 | 16:56 | NW 14 G 23 | 10.00 | Overcast | BKN070 OVC085 | 63 | 37 | 38% | 29.81 | 1010.7 | |||||||
| 30 | 15:56 | W 17 G 24 | 10.00 | A Few Clouds | FEW070 | 64 | 36 | 35% | 29.79 | 1010.0 | |||||||
| 30 | 14:56 | W 16 G 21 | 10.00 | Partly Cloudy | SCT070 | 66.9 | 37.9 | 35% | 29.79 | 1009.8 | |||||||
| 30 | 13:56 | W 15 G 26 | 10.00 | A Few Clouds | FEW065 | 64.9 | 37 | 66 | 51.1 | 36% | 29.79 | 1010.0 | |||||
| 30 | 12:56 | W 16 G 24 | 10.00 | A Few Clouds | FEW065 | 64.9 | 39 | 39% | 29.8 | 1010.4 | |||||||
| 30 | 11:56 | W 14 G 23 | 10.00 | Partly Cloudy | SCT050 | 63 | 42.1 | 47% | 29.81 | 1010.7 | |||||||
| 30 | 10:56 | NW 13 G 24 | 10.00 | Partly Cloudy | SCT048 | 62.1 | 43 | 50% | 29.82 | 1011.0 | |||||||
| 30 | 09:56 | NW 10 G 16 | 10.00 | Fair | CLR | 60.1 | 46.9 | 62% | 29.82 | 1011.2 | |||||||
| 30 | 08:56 | NW 10 | 10.00 | Fair | CLR | 55 | 55 | 100% | 29.81 | 1010.9 | |||||||
| 30 | 07:56 | NW 5 | 10.00 | Fair | CLR | 51.8 | 0 | 52 | 46.9 | 0% | 29.81 | 1010.8 | 0.01 | ||||
| 30 | 06:56 | NW 5 | 10.00 | Fair | CLR | 50 | 0 | 0% | 49 | 29.8 | 1010.5 | ||||||
| 30 | 05:56 | NW 3 | 2.50 | Fog/Mist | CLR | 48.2 | 0 | 0% | 29.78 | 1009.8 | 0.01 | ||||||
| 30 | 04:56 | W 5 | 0.75 | Fog/Mist | VV002 | 48.2 | 0 | 0% | 47 | 29.78 | 1009.9 | ||||||
| 30 | 03:56 | Calm | 0.50 | Fog | BKN002 OVC014 | 51.8 | 0 | 0% | 29.76 | 1009.2 | |||||||
| 30 | 02:56 | Calm | 0.50 | Fog | SCT002 BKN009 OVC013 | 51.8 | 0 | 0% | 29.76 | 1008.9 | |||||||
| 30 | 01:56 | SE 5 | 0.50 | Fog | SCT004 BKN040 | 51.8 | 0 | 55 | 51.1 | 0% | 29.75 | 1008.8 | 0.13 | ||||
| 30 | 00:56 | Calm | 4.00 | Mostly Cloudy with Haze | SCT012 BKN023 | 53.6 | 0 | 0% | 29.77 | 1009.5 | |||||||
| 29 | 23:56 | Calm | 10.00 | Overcast | OVC010 | 53.6 | 0 | 0% | 29.77 | 1009.3 | |||||||
| 29 | 22:56 | SE 5 | 10.00 | Overcast | OVC010 | 55.4 | 0 | 0% | 29.78 | 1009.7 | 0.04 | 0.13 | |||||
| 29 | 21:56 | SE 7 | 6.00 | Light Rain | OVC006 | 53.6 | 0 | 0% | 29.77 | 1009.5 | 0.05 | ||||||
| 29 | 20:56 | SE 16 | 8.00 | Rain | BKN006 OVC014 | 55.4 | 0 | 0% | 29.75 | 1008.9 | 0.04 | ||||||
| 29 | 19:56 | SE 10 | 10.00 | Overcast | FEW006 BKN010 OVC014 | 55.4 | 0 | 61 | 55 | 0% | 29.76 | 1009.1 | 0.01 | 0.42 | |||
| 29 | 18:56 | SE 8 | 6.00 | Rain | SCT004 BKN039 OVC060 | 55.4 | 0 | 0% | 29.76 | 1009.2 | 0.32 | ||||||
| 29 | 17:56 | SE 5 | 7.00 | Rain | OVC021 | 55.4 | 0 | 0% | 29.8 | 1010.5 | 0.09 | ||||||
| 29 | 16:56 | SE 10 | 10.00 | Light Rain | SCT015 OVC025 | 57.9 | 57.9 | 100% | 29.79 | 1010.0 | |||||||
| 29 | 15:56 | SE 10 | 10.00 | Overcast | OVC017 | 60.1 | 57 | 90% | 29.81 | 1010.6 | |||||||
| 29 | 14:56 | SE 9 | 10.00 | Overcast | OVC017 | 60.1 | 55.9 | 86% | 29.85 | 1012.0 | |||||||
| 29 | 13:56 | SE 9 | 10.00 | Overcast | OVC017 | 60.1 | 55 | 60.1 | 53.1 | 84% | 29.89 | 1013.4 | |||||
| 29 | 12:56 | S 9 | 10.00 | Overcast | OVC019 | 59 | 53.1 | 81% | 29.91 | 1014.1 | |||||||
| 29 | 11:56 | SE 9 | 10.00 | Overcast | OVC019 | 57.9 | 51.1 | 78% | 29.93 | 1014.9 | |||||||
| 29 | 10:56 | SE 7 | 10.00 | Overcast | OVC019 | 55.9 | 48.9 | 77% | 29.96 | 1015.9 | |||||||
| 29 | 09:56 | SE 9 | 10.00 | Overcast | OVC017 | 55.9 | 46.9 | 72% | 29.97 | 1016.0 | |||||||
| 29 | 08:56 | SE 8 | 10.00 | Overcast | OVC017 | 54 | 46 | 75% | 29.97 | 1016.2 | |||||||
| 29 | 07:56 | SE 6 | 10.00 | Overcast | OVC017 | 53.1 | 45 | 54 | 53.1 | 74% | 29.96 | 1016.1 | |||||
| 29 | 06:56 | SE 6 | 10.00 | Overcast | OVC017 | 53.1 | 45 | 74% | 29.97 | 1016.3 | |||||||
| 29 | 05:56 | SE 9 | 10.00 | Overcast | OVC017 | 53.1 | 44.1 | 72% | 29.97 | 1016.1 | |||||||
| 29 | 04:56 | SE 7 | 10.00 | Overcast | OVC017 | 53.1 | 44.1 | 72% | 29.98 | 1016.5 | |||||||
| 29 | 03:56 | Vrbl 3 | 10.00 | Overcast | OVC019 | 53.1 | 46.9 | 80% | 29.97 | 1016.2 | |||||||
| 29 | 02:56 | SE 5 | 10.00 | Overcast | OVC019 | 54 | 46.9 | 77% | 29.98 | 1016.6 | |||||||
| 29 | 01:56 | E 7 | 10.00 | Overcast | OVC022 | 54 | 46.9 | 57 | 54 | 77% | 30.01 | 1017.6 | |||||
| 29 | 00:56 | SE 7 | 10.00 | Overcast | OVC024 | 55 | 48 | 77% | 30.04 | 1018.8 | |||||||
| 28 | 23:56 | SE 5 | 10.00 | Overcast | OVC024 | 55 | 48 | 77% | 30.04 | 1018.6 | |||||||
| 28 | 22:56 | SE 6 | 10.00 | Overcast | OVC028 | 55.9 | 46.9 | 72% | 30.06 | 1019.3 | |||||||
| 28 | 21:56 | SE 5 | 10.00 | Overcast | OVC026 | 55.9 | 46 | 70% | 30.06 | 1019.2 | |||||||
| 28 | 20:56 | Calm | 10.00 | Overcast | OVC026 | 55.9 | 46.9 | 72% | 30.03 | 1018.3 | |||||||
| 28 | 19:56 | E 3 | 10.00 | Overcast | OVC026 | 57 | 50 | 60.1 | 55 | 78% | 30.03 | 1018.4 | |||||
| 28 | 18:56 | Calm | 10.00 | Overcast | BKN030 OVC044 | 59 | 48.9 | 69% | 30.05 | 1018.9 | |||||||
| 28 | 17:56 | E 6 | 10.00 | Overcast | OVC032 | 59 | 46.9 | 64% | 30.05 | 1018.8 | |||||||
| 28 | 16:56 | SE 9 | 10.00 | Overcast | BKN032 OVC046 | 59 | 46 | 62% | 30.05 | 1019.1 | |||||||
| 28 | 15:56 | SE 12 | 10.00 | Overcast | FEW032 OVC050 | 57.9 | 45 | 62% | 30.06 | 1019.4 | |||||||
| 28 | 14:56 | SE 9 | 10.00 | Overcast | FEW032 OVC050 | 57 | 45 | 64% | 30.08 | 1019.9 | |||||||
| 28 | 13:56 | SE 9 | 10.00 | Overcast | OVC044 | 55 | 44.1 | 55 | 51.1 | 67% | 30.1 | 1020.6 | |||||
| 28 | 12:56 | E 5 | 10.00 | Overcast | OVC050 | 53.1 | 46.9 | 80% | 30.12 | 1021.6 | |||||||
| 28 | 11:56 | SE 7 | 10.00 | Overcast | OVC060 | 52 | 46.9 | 83% | 30.15 | 1022.2 | |||||||
| 28 | 10:56 | SE 7 | 10.00 | Light Rain | OVC065 | 51.1 | 46 | 83% | 30.17 | 1023.1 | |||||||
| 28 | 09:56 | S 5 | 10.00 | Light Rain | SCT080 OVC100 | 53.1 | 44.1 | 72% | 30.17 | 1023.0 | |||||||
| 28 | 08:56 | S 6 | 10.00 | Mostly Cloudy | BKN120 | 53.1 | 41 | 64% | 30.16 | 1022.6 | |||||||
| 28 | 07:56 | S 8 | 10.00 | A Few Clouds | FEW120 | 52 | 41 | 52 | 48.9 | 66% | 30.18 | 1023.4 | |||||
| 28 | 06:56 | S 5 | 10.00 | Fair | CLR | 50 | 43 | 77% | 49 | 30.17 | 1022.9 | ||||||
| 28 | 05:56 | S 3 | 10.00 | Fair | CLR | 50 | 43 | 77% | 30.17 | 1023.1 | |||||||
| 28 | 04:56 | S 5 | 10.00 | Fair | CLR | 50 | 44.1 | 80% | 49 | 30.18 | 1023.3 | ||||||
| 28 | 03:56 | SE 7 | 10.00 | Fair | CLR | 50 | 46 | 86% | 48 | 30.2 | 1024.0 | ||||||
| 28 | 02:56 | SE 6 | 10.00 | Fair | CLR | 48.9 | 45 | 86% | 47 | 30.22 | 1024.6 | ||||||
| 28 | 01:56 | SE 8 | 10.00 | Fair | CLR | 50 | 46 | 62.1 | 50 | 86% | 47 | 30.21 | 1024.2 | ||||
| 28 | 00:56 | SE 8 | 10.00 | Fair | CLR | 51.1 | 46 | 83% | 30.23 | 1024.8 | |||||||
| 27 | 23:56 | E 3 | 10.00 | Fair | CLR | 53.1 | 43 | 69% | 30.24 | 1025.2 | |||||||
| 27 | 22:56 | SE 5 | 10.00 | Fair | CLR | 55.9 | 41 | 57% | 30.23 | 1025.2 | |||||||
| 27 | 21:56 | SE 3 | 10.00 | Fair | CLR | 55 | 42.1 | 62% | 30.24 | 1025.4 | |||||||
| 27 | 20:56 | SE 5 | 10.00 | Fair | CLR | 57.9 | 42.1 | 56% | 30.23 | 1025.1 | |||||||
| 27 | 19:56 | SE 7 | 10.00 | Fair | CLR | 62.1 | 41 | 71.1 | 62.1 | 46% | 30.22 | 1024.9 | |||||
| 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) | |||||||||||||||