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. | ||||||||||||||||
| 16 | 13:56 | NW 15 G 26 | 10.00 | Fair | CLR | 55 | 19.9 | 25% | 29.5 | 1000.2 | |||||||
| 16 | 12:56 | NW 18 G 37 | 10.00 | Fair | CLR | 55 | 23 | 57.9 | 55 | 29% | 29.49 | 999.7 | |||||
| 16 | 11:56 | NW 21 G 32 | 10.00 | Fair and Breezy | CLR | 57.9 | 28 | 32% | 29.47 | 999.3 | |||||||
| 16 | 10:56 | NW 18 G 32 | 10.00 | A Few Clouds | FEW065 | 57 | 30 | 36% | 29.48 | 999.4 | |||||||
| 16 | 09:56 | NW 16 G 33 | 10.00 | Fair | CLR | 55.9 | 28.9 | 36% | 29.46 | 998.6 | |||||||
| 16 | 08:56 | NW 26 G 36 | 10.00 | Fair and Windy | CLR | 55.9 | 33.1 | 42% | 29.45 | 998.4 | |||||||
| 16 | 06:56 | NW 14 G 23 | 10.00 | Fair | CLR | 57 | 46 | 63 | 52 | 67% | 29.39 | 996.5 | 0.28 | ||||
| 16 | 05:56 | W 3 | 10.00 | Overcast | OVC060 | 53.6 | 0 | 0% | 29.37 | 995.9 | |||||||
| 16 | 04:56 | W 5 | 10.00 | Partly Cloudy | FEW050 SCT065 | 57 | 55.9 | 96% | 29.36 | 995.6 | |||||||
| 16 | 03:56 | SW 8 | 10.00 | Fair | CLR | 57 | 57 | 100% | 29.35 | 994.9 | 0.28 | ||||||
| 16 | 02:56 | SW 7 | 10.00 | Light Rain | FEW039 BKN080 OVC100 | 57.9 | 57.9 | 100% | 29.34 | 994.7 | 0.11 | ||||||
| 16 | 01:56 | SW 9 | 3.00 | Heavy Rain Fog/Mist | SCT050 BKN070 OVC090 | 57.9 | 57.9 | 100% | 29.35 | 995.0 | 0.17 | ||||||
| 16 | 00:56 | W 10 | 10.00 | Mostly Cloudy | BKN055 BKN075 | 63 | 51.1 | 64 | 50 | 65% | 29.36 | 995.3 | |||||
| 15 | 23:56 | SW 9 G 16 | 10.00 | Mostly Cloudy | SCT060 BKN120 | 63 | 48.9 | 60% | 29.38 | 995.9 | |||||||
| 15 | 22:56 | SW 10 | 10.00 | Light Rain | SCT100 BKN120 | 63 | 48.9 | 60% | 29.41 | 996.9 | |||||||
| 15 | 21:56 | Vrbl 6 | 10.00 | Fair | CLR | 61 | 48 | 63% | 29.43 | 997.8 | |||||||
| 15 | 20:56 | W 3 | 10.00 | Fair | CLR | 55 | 46 | 72% | 29.48 | 999.7 | |||||||
| 15 | 19:56 | Calm | 10.00 | Partly Cloudy | SCT065 | 50 | 42.1 | 74% | 29.5 | 1000.5 | |||||||
| 15 | 18:56 | Calm | 10.00 | Fair | CLR | 52 | 41 | 55 | 51.1 | 66% | 29.53 | 1001.2 | |||||
| 15 | 17:56 | Calm | 10.00 | Fair | CLR | 52 | 39.9 | 64% | 29.56 | 1002.4 | |||||||
| 15 | 16:56 | SE 5 | 10.00 | Fair | CLR | 53.1 | 39.9 | 61% | 29.58 | 1003.1 | |||||||
| 15 | 15:56 | SE 5 | 10.00 | Fair | CLR | 54 | 39 | 57% | 29.63 | 1004.7 | |||||||
| 15 | 14:56 | SE 6 | 10.00 | Fair | CLR | 55 | 37.9 | 53% | 29.66 | 1006.0 | |||||||
| 15 | 13:56 | SE 7 | 10.00 | Fair | CLR | 54 | 39 | 57% | 29.69 | 1006.9 | |||||||
| 15 | 12:56 | SE 7 | 10.00 | Fair | CLR | 54 | 39 | 54 | 45 | 57% | 29.73 | 1008.3 | |||||
| 15 | 11:56 | Vrbl 5 | 10.00 | Overcast | OVC035 | 53.1 | 37.9 | 57% | 29.78 | 1010.0 | |||||||
| 15 | 10:56 | E 3 | 10.00 | Light Rain | OVC040 | 51.1 | 37.9 | 61% | 29.83 | 1011.7 | |||||||
| 15 | 09:56 | SE 3 | 10.00 | Overcast | OVC042 | 50 | 37 | 61% | 29.85 | 1012.1 | |||||||
| 15 | 08:56 | E 3 | 10.00 | Overcast | OVC042 | 48 | 36 | 63% | 29.87 | 1013.0 | |||||||
| 15 | 07:56 | Calm | 10.00 | Overcast | OVC040 | 48.9 | 37.9 | 66% | 29.89 | 1013.6 | |||||||
| 15 | 06:56 | Calm | 10.00 | Overcast | OVC042 | 45 | 39 | 48 | 42.1 | 80% | 29.89 | 1013.7 | |||||
| 15 | 04:56 | Calm | 10.00 | Overcast | OVC046 | 42.1 | 36 | 79% | 29.91 | 1014.4 | |||||||
| 15 | 03:56 | Calm | 10.00 | Partly Cloudy | SCT050 | 42.1 | 35.1 | 76% | 29.91 | 1014.2 | |||||||
| 15 | 02:56 | Calm | 10.00 | Overcast | OVC070 | 44.1 | 33.1 | 65% | 29.9 | 1014.0 | |||||||
| 15 | 01:56 | Calm | 10.00 | Overcast | OVC070 | 45 | 33.1 | 63% | 29.92 | 1014.6 | |||||||
| 15 | 00:56 | Calm | 10.00 | Overcast | OVC050 | 48 | 32 | 48.9 | 46.9 | 54% | 29.92 | 1014.8 | |||||
| 14 | 23:56 | Calm | 10.00 | Overcast | OVC055 | 48 | 32 | 54% | 29.95 | 1015.7 | |||||||
| 14 | 22:56 | Calm | 10.00 | Overcast | OVC055 | 48 | 30.9 | 52% | 29.96 | 1016.2 | |||||||
| 14 | 21:56 | E 5 | 10.00 | Overcast | OVC060 | 48 | 30.9 | 52% | 47 | 29.99 | 1016.9 | ||||||
| 14 | 20:56 | Calm | 10.00 | Overcast | OVC065 | 48 | 32 | 54% | 30.01 | 1017.9 | |||||||
| 14 | 19:56 | E 3 | 10.00 | Overcast | OVC065 | 48 | 32 | 54% | 30 | 1017.8 | |||||||
| 14 | 18:56 | Calm | 10.00 | Overcast | OVC085 | 48 | 30.9 | 54 | 48 | 52% | 30.02 | 1018.4 | |||||
| 14 | 17:56 | Calm | 10.00 | Overcast | OVC095 | 48.9 | 30 | 48% | 30.02 | 1018.4 | |||||||
| 14 | 16:56 | Calm | 10.00 | Overcast | SCT100 OVC120 | 50 | 28.9 | 44% | 30.04 | 1018.8 | |||||||
| 14 | 15:56 | NW 5 | 10.00 | Overcast | BKN095 OVC120 | 51.1 | 30.9 | 46% | 30.07 | 1020.1 | |||||||
| 14 | 13:56 | W 8 | 10.00 | Overcast | OVC090 | 52 | 28.9 | 41% | 30.09 | 1020.7 | |||||||
| 14 | 12:56 | W 7 | 10.00 | Overcast | OVC100 | 51.1 | 28 | 54 | 26.1 | 41% | 30.13 | 1022.0 | |||||
| 14 | 11:56 | NW 12 | 10.00 | Mostly Cloudy | BKN100 | 52 | 28.9 | 41% | 30.16 | 1022.9 | |||||||
| 14 | 10:56 | W 12 | 10.00 | Partly Cloudy | SCT110 | 52 | 28.9 | 41% | 30.19 | 1024.1 | |||||||
| 14 | 09:56 | W 6 | 10.00 | Fair | CLR | 50 | 30.9 | 48% | 48 | 30.21 | 1024.5 | ||||||
| 14 | 08:56 | W 5 | 10.00 | Fair | CLR | 44.1 | 30.9 | 60% | 42 | 30.21 | 1024.9 | ||||||
| 14 | 07:56 | Calm | 10.00 | Fair | CLR | 36 | 32 | 86% | 30.21 | 1024.9 | |||||||
| 14 | 06:56 | Calm | 10.00 | Fair | CLR | 26.1 | 23 | 34 | 26.1 | 88% | 30.19 | 1024.3 | |||||
| 14 | 05:56 | Calm | 10.00 | Fair | CLR | 26.1 | 21.9 | 84% | 30.18 | 1023.8 | |||||||
| 14 | 04:56 | Calm | 10.00 | Fair | CLR | 27 | 24.1 | 89% | 30.17 | 1023.5 | |||||||
| 14 | 03:56 | Calm | 10.00 | Fair | CLR | 30 | 27 | 88% | 30.15 | 1022.9 | |||||||
| 14 | 02:56 | Calm | 10.00 | Fair | CLR | 30.9 | 25 | 79% | 30.15 | 1022.5 | |||||||
| 14 | 01:56 | Calm | 10.00 | Fair | CLR | 33.1 | 23 | 66% | 30.14 | 1022.2 | |||||||
| 14 | 00:56 | Calm | 10.00 | Fair | CLR | 34 | 23 | 43 | 34 | 64% | 30.13 | 1021.9 | |||||
| 13 | 23:56 | Calm | 10.00 | Fair | CLR | 36 | 23 | 59% | 30.12 | 1021.6 | |||||||
| 13 | 22:56 | Calm | 10.00 | Fair | CLR | 39 | 23 | 53% | 30.11 | 1021.2 | |||||||
| 13 | 21:56 | Calm | 10.00 | Fair | CLR | 39.9 | 23 | 51% | 30.11 | 1021.2 | |||||||
| 13 | 20:56 | NW 5 | 10.00 | Fair | CLR | 35.1 | 24.1 | 64% | 32 | 30.09 | 1020.7 | ||||||
| 13 | 19:56 | Calm | 10.00 | Fair | CLR | 39 | 23 | 53% | 30.08 | 1020.3 | |||||||
| 13 | 18:56 | Calm | 10.00 | Fair | CLR | 44.1 | 21.9 | 57 | 44.1 | 41% | 30.07 | 1020.1 | |||||
| 13 | 17:56 | NW 6 | 10.00 | Fair | CLR | 48.9 | 21 | 33% | 47 | 30.07 | 1019.9 | ||||||
| 13 | 16:56 | NW 10 | 10.00 | Fair | CLR | 52 | 19.9 | 28% | 30.06 | 1019.3 | |||||||
| 13 | 15:56 | NW 13 G 23 | 10.00 | Fair | CLR | 55 | 19.9 | 25% | 30.04 | 1018.8 | |||||||
| 13 | 14:56 | NW 16 G 20 | 10.00 | Fair | CLR | 55.9 | 21.9 | 27% | 30.02 | 1018.1 | |||||||
| 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) | |||||||||||||||