Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 07 | 07:56 | Calm | 16.09 | Overcast | OVC055 | 10.6 | 10.6 | 12.8 | 10.6 | 100% | 76 | 1014.4 | 0.08 | ||||
| 07 | 06:56 | Calm | 16.09 | Overcast | OVC050 | 11 | 0 | 0% | 75.97 | 1014.2 | |||||||
| 07 | 05:56 | Calm | 16.09 | Overcast | OVC048 | 11 | 0 | 0% | 75.92 | 1013.5 | |||||||
| 07 | 04:56 | Calm | 16.09 | Overcast | OVC046 | 12 | 0 | 0% | 75.92 | 1013.5 | 0.08 | ||||||
| 07 | 03:56 | Calm | 16.09 | Overcast | OVC042 | 12 | 0 | 0% | 75.87 | 1012.6 | 0.03 | ||||||
| 07 | 02:56 | Vrbl 6 | 14.48 | Light Rain | OVC040 | 12 | 0 | 0% | 75.84 | 1012.5 | 0.05 | ||||||
| 07 | 01:56 | Calm | 16.09 | Overcast | OVC036 | 13 | 0 | 20 | 12.8 | 0% | 75.87 | 1012.7 | 0.03 | 0.1 | |||
| 07 | 00:56 | Calm | 16.09 | Light Rain | OVC036 | 13 | 0 | 0% | 75.84 | 1012.4 | 0.05 | ||||||
| 06 | 23:56 | Vrbl 9 | 16.09 | Light Rain | OVC036 | 14.4 | 14.4 | 100% | 75.84 | 1012.5 | 0.03 | ||||||
| 06 | 22:56 | Vrbl 7 | 16.09 | Overcast | OVC032 | 16.1 | 14.4 | 90% | 75.79 | 1011.9 | |||||||
| 06 | 21:56 | NW 15 | 16.09 | Overcast | OVC028 | 16.7 | 14.4 | 86% | 75.77 | 1011.5 | |||||||
| 06 | 20:56 | Vrbl 9 | 16.09 | Overcast | OVC024 | 17.8 | 17.8 | 100% | 75.79 | 1011.7 | |||||||
| 06 | 19:56 | W 6 | 16.09 | Overcast | OVC022 | 20 | 17.8 | 22.2 | 18.9 | 87% | 75.72 | 1010.5 | |||||
| 06 | 18:56 | Vrbl 6 | 16.09 | Overcast | OVC024 | 20.6 | 17.8 | 84% | 75.67 | 1009.9 | |||||||
| 06 | 17:56 | SW 11 | 16.09 | Overcast | OVC022 | 20.6 | 17.2 | 81% | 75.67 | 1009.8 | |||||||
| 06 | 16:56 | SW 13 | 16.09 | Mostly Cloudy | BKN024 BKN028 BKN090 | 21.7 | 16.7 | 73% | 75.64 | 1009.2 | |||||||
| 06 | 15:56 | SW 15 | 16.09 | Mostly Cloudy | BKN022 BKN085 | 21.1 | 16.1 | 73% | 75.64 | 1009.3 | |||||||
| 06 | 14:56 | SW 15 | 16.09 | Mostly Cloudy | BKN018 | 20.6 | 16.1 | 76% | 75.67 | 1009.6 | |||||||
| 06 | 13:56 | SW 20 G 28 | 16.09 | Overcast | OVC016 | 19.4 | 16.7 | 19.4 | 15.6 | 84% | 75.69 | 1010.0 | 0.41 | ||||
| 06 | 12:56 | SW 17 G 28 | 16.09 | Overcast | OVC012 | 17.8 | 17.8 | 100% | 75.72 | 1010.4 | |||||||
| 06 | 11:56 | SW 13 G 26 | 16.09 | Overcast | OVC010 | 16.7 | 16.7 | 100% | 75.74 | 1010.7 | |||||||
| 06 | 10:56 | S 13 G 30 | 16.09 | Light Rain | OVC010 | 16 | 0 | 0% | 75.74 | 1011.0 | 0.1 | 0.41 | |||||
| 06 | 09:56 | S 17 G 26 | 16.09 | Rain | BKN012 OVC065 | 16 | 0 | 0% | 75.77 | 1011.1 | 0.18 | ||||||
| 06 | 08:56 | S 11 | 16.09 | Light Rain | FEW055 SCT070 OVC095 | 16 | 0 | 0% | 75.79 | 1011.4 | 0.13 | ||||||
| 06 | 07:56 | SW 11 | 14.48 | Light Rain | FEW070 OVC100 | 16.7 | 16.1 | 21.7 | 16.7 | 96% | 75.82 | 1011.8 | 0.03 | 0.03 | |||
| 06 | 06:56 | S 15 G 26 | 16.09 | Light Rain | BKN110 | 18.3 | 12.8 | 70% | 75.74 | 1010.8 | |||||||
| 06 | 05:56 | S 17 G 28 | 16.09 | Light Rain | BKN100 BKN120 | 18.9 | 12.2 | 65% | 75.74 | 1010.6 | |||||||
| 06 | 04:56 | S 20 G 28 | 16.09 | Fair | CLR | 18.9 | 11.7 | 63% | 75.74 | 1010.7 | |||||||
| 06 | 03:56 | S 17 G 30 | 16.09 | A Few Clouds | FEW100 | 20 | 11.1 | 57% | 75.74 | 1010.8 | |||||||
| 06 | 02:56 | Vrbl 11 G 28 | 16.09 | Partly Cloudy | SCT100 | 20.6 | 11.1 | 55% | 75.77 | 1011.0 | |||||||
| 06 | 01:56 | SW 22 G 28 | 16.09 | Fair | CLR | 21.7 | 10.6 | 25 | 21.1 | 49% | 75.79 | 1011.4 | |||||
| 06 | 00:56 | S 15 G 37 | 16.09 | Fair | CLR | 21.7 | 10.6 | 49% | 75.84 | 1011.9 | |||||||
| 05 | 23:56 | S 20 G 31 | 16.09 | Fair | CLR | 22.2 | 9.4 | 44% | 75.84 | 1011.8 | |||||||
| 05 | 22:56 | S 13 G 30 | 16.09 | Fair | CLR | 22.8 | 8.3 | 40% | 75.82 | 1011.8 | |||||||
| 05 | 21:56 | S 11 | 16.09 | Fair | CLR | 23.3 | 7.2 | 36% | 75.82 | 1011.8 | |||||||
| 05 | 20:56 | S 11 | 16.09 | Fair | CLR | 23.9 | 5.6 | 31% | 25 | 75.79 | 1011.4 | ||||||
| 05 | 19:56 | S 15 G 26 | 16.09 | Fair | CLR | 25 | 5.6 | 29.4 | 25 | 29% | 25 | 75.74 | 1010.8 | ||||
| 05 | 18:56 | SW 13 | 16.09 | Fair | CLR | 26.7 | 5.6 | 26% | 26 | 75.74 | 1010.7 | ||||||
| 05 | 17:56 | S 20 G 33 | 16.09 | Fair | CLR | 27.2 | 6.1 | 26% | 26 | 75.74 | 1010.7 | ||||||
| 05 | 16:56 | SW 20 G 37 | 16.09 | Fair | CLR | 28.3 | 6.1 | 24% | 27 | 75.72 | 1010.4 | ||||||
| 05 | 15:56 | S 24 G 39 | 16.09 | Fair | CLR | 28.9 | 6.1 | 24% | 27 | 75.74 | 1010.7 | ||||||
| 05 | 14:56 | S 30 G 50 | 16.09 | Fair | CLR | 28.3 | 6.1 | 24% | 27 | 75.79 | 1011.4 | ||||||
| 05 | 13:56 | S 20 G 37 | 16.09 | Fair | CLR | 28.3 | 7.8 | 28.3 | 17.8 | 27% | 27 | 75.84 | 1012.0 | ||||
| 05 | 12:56 | SW 20 G 28 | 16.09 | Fair | CLR | 27.2 | 7.8 | 29% | 27 | 75.9 | 1012.8 | ||||||
| 05 | 11:56 | S 15 | 16.09 | Fair | CLR | 26.1 | 10 | 36% | 26 | 75.95 | 1013.5 | ||||||
| 05 | 10:56 | S 13 | 16.09 | Fair | CLR | 25 | 10.6 | 40% | 26 | 75.95 | 1013.4 | ||||||
| 05 | 09:56 | SW 13 | 16.09 | Fair | CLR | 23.3 | 9.4 | 41% | 75.95 | 1013.6 | |||||||
| 05 | 08:56 | SW 9 | 16.09 | Fair | CLR | 20 | 8.3 | 47% | 75.97 | 1013.8 | |||||||
| 05 | 07:56 | SW 7 | 16.09 | Fair | CLR | 17.8 | 7.8 | 17.8 | 15 | 52% | 75.97 | 1013.8 | |||||
| 05 | 06:56 | S 6 | 16.09 | Fair | CLR | 15.6 | 7.2 | 58% | 75.92 | 1013.2 | |||||||
| 05 | 05:56 | S 9 | 16.09 | Fair | CLR | 15 | 7.2 | 60% | 75.9 | 1012.7 | |||||||
| 05 | 04:56 | Vrbl 7 | 16.09 | Fair | CLR | 15 | 7.8 | 62% | 75.87 | 1012.6 | |||||||
| 05 | 03:56 | S 7 | 16.09 | Fair | CLR | 15.6 | 8.3 | 62% | 75.87 | 1012.4 | |||||||
| 05 | 02:56 | S 7 | 16.09 | A Few Clouds | FEW100 | 16.1 | 8.3 | 60% | 75.84 | 1012.1 | |||||||
| 05 | 01:56 | S 7 | 16.09 | Fair | CLR | 16.7 | 8.3 | 22.2 | 16.7 | 58% | 75.84 | 1012.3 | |||||
| 05 | 00:56 | S 6 | 16.09 | Fair | CLR | 17.2 | 8.3 | 56% | 75.87 | 1012.4 | |||||||
| 04 | 23:56 | S 7 | 16.09 | A Few Clouds | FEW100 | 18.3 | 7.8 | 51% | 75.87 | 1012.4 | |||||||
| 04 | 22:56 | Vrbl 6 | 16.09 | Fair | CLR | 18.9 | 7.2 | 47% | 75.84 | 1012.3 | |||||||
| 04 | 21:56 | S 9 | 16.09 | Fair | CLR | 19.4 | 6.7 | 44% | 75.84 | 1012.1 | |||||||
| 04 | 20:56 | S 7 | 16.09 | Partly Cloudy | SCT100 | 21.1 | 6.7 | 39% | 75.79 | 1011.7 | |||||||
| 04 | 19:56 | Vrbl 9 G 30 | 16.09 | Overcast | OVC090 | 22.2 | 6.1 | 25.6 | 22.2 | 35% | 75.79 | 1011.5 | |||||
| 04 | 18:56 | SW 19 | 16.09 | Mostly Cloudy | BKN090 | 23.9 | 5.6 | 31% | 25 | 75.77 | 1011.3 | ||||||
| 04 | 17:56 | S 19 G 28 | 16.09 | Mostly Cloudy | BKN100 | 24.4 | 5.6 | 30% | 25 | 75.74 | 1011.0 | ||||||
| 04 | 16:56 | S 20 G 28 | 16.09 | A Few Clouds | FEW085 | 25 | 5.6 | 29% | 25 | 75.74 | 1011.0 | ||||||
| 04 | 15:56 | SW 13 G 26 | 16.09 | A Few Clouds | FEW080 | 25 | 5.6 | 29% | 25 | 75.82 | 1011.9 | ||||||
| 04 | 14:56 | SW 20 G 26 | 16.09 | Fair | CLR | 23.9 | 5 | 29% | 25 | 75.9 | 1013.0 | ||||||
| 04 | 13:56 | SW 9 | 16.09 | Fair | CLR | 22.2 | 5 | 22.8 | 12.2 | 33% | 75.95 | 1013.8 | |||||
| 04 | 12:56 | SW 15 | 16.09 | Fair | CLR | 22.2 | 4.4 | 31% | 76 | 1014.6 | |||||||
| 04 | 11:56 | S 13 | 16.09 | Fair | CLR | 20.6 | 3.3 | 32% | 76.05 | 1015.2 | |||||||
| 04 | 10:56 | SW 13 | 16.09 | Fair | CLR | 19.4 | 2.2 | 32% | 76.1 | 1015.9 | |||||||
| 04 | 09:56 | SE 11 | 16.09 | Fair | CLR | 17.8 | 3.3 | 38% | 76.1 | 1015.9 | |||||||
| 04 | 08:56 | Vrbl 7 | 16.09 | Fair | CLR | 14.4 | 3.3 | 48% | 76.15 | 1016.5 | |||||||
| Date | Time (edt) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||