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. | ||||||||||||||||
| 14 | 18:56 | Calm | 10.00 | Fair | CLR | 71.1 | 51.1 | 49% | 30.2 | 1023.7 | |||||||
| 14 | 17:56 | NW 7 | 10.00 | Fair | CLR | 75 | 51.1 | 43% | 78 | 30.18 | 1022.9 | ||||||
| 14 | 16:56 | NW 6 G 17 | 10.00 | Fair | CLR | 75 | 50 | 42% | 78 | 30.16 | 1022.4 | ||||||
| 14 | 15:56 | W 12 G 16 | 10.00 | Fair | CLR | 75.9 | 51.1 | 42% | 78 | 30.16 | 1022.4 | ||||||
| 14 | 14:56 | NW 9 | 10.00 | Fair | CLR | 77 | 52 | 42% | 78 | 30.15 | 1021.9 | ||||||
| 14 | 13:56 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN055 | 75.9 | 54 | 78.1 | 68 | 47% | 78 | 30.15 | 1022.1 | ||||
| 14 | 12:56 | NW 7 | 10.00 | Mostly Cloudy | BKN049 | 75 | 55.9 | 52% | 78 | 30.16 | 1022.1 | ||||||
| 14 | 11:56 | Vrbl 3 G 16 | 10.00 | Mostly Cloudy | BKN042 | 75 | 59 | 58% | 77 | 30.16 | 1022.2 | ||||||
| 14 | 10:56 | Vrbl 5 | 10.00 | Partly Cloudy | SCT040 | 75 | 59 | 58% | 77 | 30.15 | 1022.0 | ||||||
| 14 | 09:56 | Vrbl 5 | 10.00 | Fair | CLR | 73 | 60.1 | 64% | 30.13 | 1021.4 | |||||||
| 14 | 08:56 | Calm | 10.00 | Fair | CLR | 71.1 | 63 | 76% | 30.11 | 1020.4 | |||||||
| 14 | 07:56 | Calm | 10.00 | A Few Clouds | FEW055 | 68 | 68 | 73 | 66.9 | 100% | 30.08 | 1019.6 | |||||
| 14 | 06:56 | Calm | 10.00 | Fair | CLR | 68 | 68 | 100% | 30.04 | 1018.2 | |||||||
| 14 | 05:56 | Calm | 10.00 | Partly Cloudy | SCT055 | 69.1 | 69.1 | 100% | 30.01 | 1017.2 | |||||||
| 14 | 04:56 | Vrbl 7 | 10.00 | Mostly Cloudy | BKN060 | 72 | 71.1 | 97% | 29.98 | 1016.0 | |||||||
| 14 | 03:56 | Vrbl 3 | 10.00 | Fair | CLR | 72 | 72 | 100% | 29.96 | 1015.4 | |||||||
| 14 | 02:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 29.95 | 1014.9 | |||||||
| 14 | 01:56 | W 3 | 10.00 | Fair | CLR | 71.6 | 0 | 75.9 | 71.1 | 0% | 29.95 | 1014.8 | |||||
| 14 | 00:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 0% | 29.94 | 1014.6 | |||||||
| 13 | 23:56 | Calm | 10.00 | Fair | CLR | 71.6 | 0 | 0% | 29.95 | 1015.1 | |||||||
| 13 | 22:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 0% | 29.97 | 1015.7 | |||||||
| 13 | 21:56 | Calm | 10.00 | Mostly Cloudy | BKN060 BKN070 | 73.4 | 0 | 0% | 29.97 | 1015.6 | |||||||
| 13 | 20:56 | Calm | 10.00 | Fair | CLR | 73.4 | 0 | 0% | 29.94 | 1014.8 | |||||||
| 13 | 19:56 | Calm | 10.00 | Fair | CLR | 75.9 | 75.9 | 88 | 75.9 | 100% | 75 | 29.92 | 1014.2 | 0.2 | |||
| 13 | 18:56 | Calm | 10.00 | Fair | CLR | 79 | 75.9 | 90% | 83 | 29.91 | 1013.7 | ||||||
| 13 | 17:56 | Calm | 10.00 | Partly Cloudy | SCT037 SCT049 | 80.1 | 77 | 90% | 86 | 29.9 | 1013.3 | ||||||
| 13 | 16:56 | Calm | 10.00 | Fair | CLR | 84 | 73.9 | 72% | 91 | 29.9 | 1013.1 | 0.2 | 0.2 | ||||
| 13 | 15:56 | Vrbl 5 | 10.00 | Mostly Cloudy | BKN035 | 84.9 | 73 | 68% | 92 | 29.9 | 1013.1 | ||||||
| 13 | 14:56 | NW 6 | 10.00 | Partly Cloudy | SCT033 | 86 | 72 | 63% | 92 | 29.9 | 1013.3 | ||||||
| 13 | 13:56 | W 10 G 16 | 10.00 | Mostly Cloudy | SCT032 SCT048 BKN085 | 84 | 72 | 86 | 71.1 | 67% | 90 | 29.93 | 1014.1 | ||||
| 13 | 12:56 | W 7 | 10.00 | A Few Clouds | FEW021 | 82.9 | 73 | 72% | 89 | 29.94 | 1014.7 | ||||||
| 13 | 11:56 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN017 | 81 | 73.9 | 79% | 86 | 29.97 | 1015.5 | ||||||
| 13 | 10:56 | Vrbl 6 | 10.00 | Overcast | OVC012 | 78.1 | 75 | 90% | 81 | 29.98 | 1015.9 | ||||||
| 13 | 09:56 | NW 5 | 10.00 | Overcast | OVC006 | 75.9 | 75 | 97% | 75 | 29.97 | 1015.6 | ||||||
| 13 | 08:56 | Calm | 6.00 | Overcast with Haze | OVC004 | 71.6 | 0 | 0% | 29.96 | 1015.6 | |||||||
| 13 | 07:56 | Calm | 7.00 | Overcast | OVC006 | 71.6 | 0 | 73 | 71.1 | 0% | 29.96 | 1015.5 | 0.01 | ||||
| 13 | 06:56 | Calm | 5.00 | Light Rain | OVC006 | 71.6 | 0 | 0% | 29.95 | 1015.2 | 0.01 | ||||||
| 13 | 05:56 | Calm | 9.00 | Light Rain | OVC010 | 71.6 | 0 | 0% | 29.92 | 1014.2 | |||||||
| 13 | 04:56 | Calm | 10.00 | Overcast | OVC006 | 71.6 | 0 | 0% | 29.94 | 1014.9 | |||||||
| 13 | 03:56 | Calm | 10.00 | Overcast | OVC006 | 71.6 | 0 | 0% | 29.96 | 1015.3 | |||||||
| 13 | 02:56 | Calm | 10.00 | Overcast | OVC008 | 72 | 72 | 100% | 29.98 | 1016.0 | |||||||
| 13 | 01:56 | Calm | 10.00 | Overcast | OVC010 | 73 | 73 | 75 | 73 | 100% | 30 | 1016.9 | |||||
| 13 | 00:56 | Calm | 10.00 | Overcast | OVC012 | 73 | 73 | 100% | 30 | 1016.9 | |||||||
| 12 | 23:56 | Vrbl 3 | 10.00 | Overcast | OVC016 | 73.9 | 73.9 | 100% | 30.01 | 1017.0 | |||||||
| 12 | 22:56 | Vrbl 3 | 10.00 | Overcast | BKN018 OVC023 | 73 | 73 | 100% | 30.02 | 1017.5 | |||||||
| 12 | 21:56 | SE 5 | 10.00 | A Few Clouds | FEW018 | 73 | 73 | 100% | 30.04 | 1018.1 | |||||||
| 12 | 20:56 | Calm | 10.00 | Overcast | OVC020 | 73.9 | 73.9 | 100% | 30.04 | 1018.3 | |||||||
| 12 | 19:56 | Calm | 10.00 | Overcast | BKN021 OVC065 | 73.9 | 73.9 | 80.1 | 73.9 | 100% | 30.04 | 1018.1 | |||||
| 12 | 18:56 | Vrbl 3 | 10.00 | Overcast | BKN030 BKN036 OVC060 | 75.9 | 73.9 | 94% | 75 | 30.04 | 1018.4 | ||||||
| 12 | 17:56 | Calm | 10.00 | Overcast | BKN021 OVC030 | 77 | 75 | 94% | 78 | 30.03 | 1018.0 | ||||||
| 12 | 16:56 | Vrbl 5 | 10.00 | Overcast | BKN023 OVC032 | 77 | 73.9 | 90% | 78 | 30.02 | 1017.6 | ||||||
| 12 | 15:56 | SE 9 | 10.00 | Overcast | BKN023 BKN028 OVC037 | 78.1 | 72 | 82% | 80 | 30.04 | 1018.4 | ||||||
| 12 | 14:56 | SE 9 | 10.00 | Overcast | OVC023 | 77 | 71.1 | 82% | 79 | 30.07 | 1019.4 | ||||||
| 12 | 13:56 | S 9 | 10.00 | Overcast | OVC027 | 79 | 69.1 | 80.1 | 68 | 72% | 82 | 30.08 | 1019.7 | ||||
| 12 | 12:56 | Calm | 10.00 | Overcast | BKN025 OVC039 | 80.1 | 69.1 | 69% | 83 | 30.09 | 1020.1 | ||||||
| 12 | 11:56 | Vrbl 6 | 10.00 | Overcast | OVC035 | 77 | 66.9 | 71% | 79 | 30.11 | 1020.6 | ||||||
| 12 | 10:56 | SE 14 | 10.00 | Overcast | BKN037 BKN044 OVC070 | 75 | 64.9 | 71% | 77 | 30.12 | 1020.9 | ||||||
| 12 | 09:56 | Vrbl 6 | 10.00 | Overcast | FEW038 OVC060 | 72 | 71.1 | 97% | 30.11 | 1020.7 | |||||||
| 12 | 08:56 | Calm | 10.00 | Overcast | OVC040 | 69.1 | 69.1 | 100% | 30.12 | 1020.8 | |||||||
| 12 | 07:56 | Calm | 10.00 | Overcast | OVC040 | 68 | 0 | 68 | 63 | 0% | 30.1 | 1020.5 | |||||
| 12 | 06:56 | Calm | 10.00 | Overcast | OVC044 | 66.2 | 0 | 0% | 30.09 | 1019.9 | |||||||
| 12 | 05:56 | Calm | 10.00 | Overcast | OVC050 | 66.2 | 0 | 0% | 30.08 | 1019.6 | |||||||
| 12 | 04:56 | Calm | 10.00 | Overcast | OVC050 | 66.2 | 0 | 0% | 30.07 | 1019.4 | |||||||
| 12 | 03:56 | Calm | 10.00 | A Few Clouds | FEW055 | 64.4 | 0 | 0% | 30.07 | 1019.5 | |||||||
| 12 | 02:56 | Calm | 10.00 | Fair | CLR | 62.6 | 0 | 0% | 30.07 | 1019.4 | |||||||
| 12 | 01:56 | Calm | 9.00 | Fair | CLR | 62.6 | 0 | 71.1 | 63 | 0% | 30.06 | 1019.0 | |||||
| 12 | 00:56 | Calm | 10.00 | Fair | CLR | 64.4 | 0 | 0% | 30.08 | 1019.5 | |||||||
| 11 | 23:56 | Calm | 10.00 | Fair | CLR | 64.9 | 64.9 | 100% | 30.07 | 1019.5 | |||||||
| 11 | 22:56 | Calm | 10.00 | Fair | CLR | 66 | 66 | 100% | 30.08 | 1019.6 | |||||||
| 11 | 21:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 30.07 | 1019.4 | |||||||
| 11 | 20:56 | Calm | 10.00 | Fair | CLR | 69.1 | 69.1 | 100% | 30.06 | 1018.8 | |||||||
| 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) | |||||||||||||||