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. | ||||||||||||||||
| 16 | 12:56 | S 13 | 14.48 | Light Rain | BKN013 OVC018 | 22.2 | 22.2 | 100% | 76.38 | 1019.1 | 0.08 | ||||||
| 16 | 11:56 | Calm | 8.05 | Light Rain | FEW022 BKN029 OVC036 | 22 | 0 | 0% | 76.43 | 1019.9 | 0.1 | ||||||
| 16 | 09:56 | S 11 | 9.66 | Heavy Rain Fog/Mist | FEW013 SCT019 OVC046 | 23.9 | 23.9 | 100% | 22 | 76.48 | 1020.5 | 0.08 | |||||
| 16 | 08:56 | SE 11 | 16.09 | Overcast | OVC048 | 23 | 0 | 0% | 76.48 | 1020.6 | |||||||
| 16 | 07:56 | SE 13 | 16.09 | Overcast | OVC050 | 23 | 0 | 23.9 | 21.1 | 0% | 76.5 | 1020.8 | 0.05 | 0.05 | |||
| 16 | 06:56 | S 13 | 16.09 | Overcast | FEW011 BKN090 OVC120 | 23.9 | 23.9 | 100% | 22 | 76.5 | 1020.8 | ||||||
| 16 | 05:56 | SE 7 | 16.09 | Overcast | BKN060 OVC090 | 23.3 | 23.3 | 100% | 76.48 | 1020.5 | |||||||
| 16 | 04:56 | SE 7 | 16.09 | Overcast | OVC090 | 23.3 | 22.8 | 97% | 76.48 | 1020.4 | |||||||
| 16 | 03:56 | SE 7 | 16.09 | Overcast | OVC080 | 23.9 | 21.7 | 88% | 24 | 76.5 | 1020.9 | ||||||
| 16 | 02:56 | SE 7 | 16.09 | Overcast | OVC044 | 23.3 | 21.1 | 88% | 76.53 | 1021.1 | |||||||
| 16 | 01:56 | SE 7 | 16.09 | Overcast | OVC040 | 23.9 | 20.6 | 25.6 | 23.3 | 82% | 24 | 76.56 | 1021.6 | ||||
| 16 | 00:56 | SE 7 | 16.09 | Mostly Cloudy | BKN040 BKN110 | 23.3 | 20.6 | 85% | 76.61 | 1022.1 | |||||||
| 15 | 23:56 | Calm | 16.09 | Mostly Cloudy | BKN110 | 23.3 | 20.6 | 85% | 76.61 | 1022.2 | |||||||
| 15 | 22:56 | SE 7 | 16.09 | A Few Clouds | FEW043 | 23.9 | 20 | 79% | 24 | 76.61 | 1022.2 | ||||||
| 15 | 21:56 | SE 7 | 16.09 | Fair | CLR | 25 | 20 | 74% | 26 | 76.63 | 1022.3 | ||||||
| 15 | 20:56 | Calm | 16.09 | Fair | CLR | 25 | 20.6 | 77% | 26 | 76.61 | 1022.2 | ||||||
| 15 | 19:56 | Calm | 16.09 | Fair | CLR | 26.1 | 18.9 | 30.6 | 26.1 | 65% | 27 | 76.56 | 1021.6 | ||||
| 15 | 18:56 | Calm | 16.09 | Fair | CLR | 28.3 | 19.4 | 59% | 30 | 76.56 | 1021.5 | ||||||
| 15 | 17:56 | Calm | 16.09 | Fair | CLR | 29.4 | 19.4 | 55% | 31 | 76.56 | 1021.5 | ||||||
| 15 | 16:56 | Calm | 16.09 | Mostly Cloudy | BKN048 | 30 | 19.4 | 53% | 32 | 76.58 | 1021.6 | ||||||
| 15 | 15:56 | Vrbl 6 | 12.87 | Fair | CLR | 30 | 19.4 | 53% | 32 | 76.61 | 1022.0 | ||||||
| 15 | 14:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN047 | 29.4 | 19.4 | 55% | 31 | 76.66 | 1022.7 | ||||||
| 15 | 13:56 | Calm | 16.09 | Mostly Cloudy | BKN044 | 30 | 20 | 31.1 | 21.7 | 55% | 32 | 76.68 | 1023.2 | ||||
| 15 | 12:56 | Vrbl 6 | 16.09 | Partly Cloudy | SCT040 | 29.4 | 20 | 57% | 31 | 76.71 | 1023.4 | ||||||
| 15 | 11:56 | Vrbl 6 | 16.09 | Fair | CLR | 28.9 | 19.4 | 57% | 30 | 76.73 | 1023.6 | ||||||
| 15 | 10:56 | Vrbl 6 | 16.09 | Fair | CLR | 27.2 | 18.9 | 61% | 28 | 76.68 | 1023.2 | ||||||
| 15 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 25.6 | 20 | 71% | 27 | 76.68 | 1023.1 | ||||||
| 15 | 08:56 | Vrbl 6 | 16.09 | Fair | CLR | 23.3 | 19.4 | 79% | 76.66 | 1022.9 | |||||||
| 15 | 07:56 | Vrbl 6 | 16.09 | Fair | CLR | 21.7 | 20 | 22.2 | 19.4 | 90% | 76.63 | 1022.6 | |||||
| 15 | 06:56 | Calm | 16.09 | Fair | CLR | 20.6 | 20 | 96% | 76.61 | 1022.2 | |||||||
| 15 | 05:56 | Calm | 16.09 | Fair | CLR | 20.6 | 20.6 | 100% | 76.56 | 1021.4 | |||||||
| 15 | 04:56 | Calm | 16.09 | Fair | CLR | 20.6 | 20.6 | 100% | 76.5 | 1021.0 | |||||||
| 15 | 03:56 | Calm | 16.09 | Fair | CLR | 20.6 | 20.6 | 100% | 76.53 | 1021.2 | |||||||
| 15 | 01:56 | Calm | 16.09 | Overcast | OVC110 | 22.2 | 22.2 | 24.4 | 22.2 | 100% | 76.53 | 1021.2 | |||||
| 15 | 00:56 | Calm | 16.09 | Overcast | OVC110 | 22.8 | 22.8 | 100% | 76.53 | 1021.4 | |||||||
| 14 | 23:56 | Calm | 16.09 | Overcast | OVC095 | 22.8 | 22.8 | 100% | 76.5 | 1020.8 | |||||||
| 14 | 22:56 | Calm | 16.09 | Overcast | FEW075 OVC100 | 23.3 | 23.3 | 100% | 76.48 | 1020.4 | |||||||
| 14 | 21:56 | Calm | 16.09 | Overcast | BKN049 OVC065 | 23.3 | 23.3 | 100% | 76.48 | 1020.4 | |||||||
| 14 | 20:56 | Calm | 16.09 | Overcast | BKN049 BKN060 OVC075 | 23.9 | 23.9 | 100% | 22 | 76.43 | 1019.8 | ||||||
| 14 | 19:56 | Calm | 16.09 | Overcast | BKN050 OVC060 | 24.4 | 23.9 | 27.2 | 23.9 | 97% | 24 | 76.4 | 1019.4 | ||||
| 14 | 18:56 | Calm | 16.09 | Overcast | OVC050 | 25.6 | 22.8 | 85% | 27 | 76.38 | 1019.0 | ||||||
| 14 | 17:56 | Calm | 16.09 | Overcast | FEW016 OVC050 | 26.1 | 24.4 | 90% | 28 | 76.35 | 1018.7 | ||||||
| 14 | 16:56 | Calm | 16.09 | Overcast | OVC070 | 26.1 | 23.9 | 88% | 28 | 76.35 | 1018.8 | ||||||
| 14 | 15:56 | Calm | 16.09 | Mostly Cloudy | FEW075 BKN100 | 26.7 | 22.8 | 79% | 29 | 76.35 | 1018.8 | ||||||
| 14 | 14:56 | NW 6 | 16.09 | Mostly Cloudy | BKN080 BKN090 | 25.6 | 22.8 | 85% | 27 | 76.38 | 1019.1 | ||||||
| 14 | 13:56 | Calm | 16.09 | Overcast | OVC075 | 23.9 | 22.8 | 26.7 | 22.8 | 94% | 23 | 76.43 | 1019.7 | 0.03 | |||
| 14 | 12:56 | Vrbl 6 | 14.48 | Light Rain | OVC075 | 22.8 | 22.8 | 100% | 76.48 | 1020.5 | 0.03 | ||||||
| 14 | 11:56 | Calm | 14.48 | Overcast | OVC080 | 25 | 22.8 | 88% | 26 | 76.48 | 1020.4 | ||||||
| 14 | 10:56 | Calm | 16.09 | Overcast | OVC090 | 25 | 21.7 | 82% | 26 | 76.45 | 1020.1 | ||||||
| 14 | 09:56 | Calm | 16.09 | Overcast | OVC110 | 25.6 | 20.6 | 74% | 27 | 76.4 | 1019.5 | ||||||
| 14 | 08:56 | Calm | 16.09 | Overcast | OVC110 | 25 | 21.1 | 79% | 26 | 76.38 | 1019.2 | ||||||
| 14 | 07:56 | Calm | 16.09 | Partly Cloudy | FEW055 SCT120 | 23.9 | 21.7 | 23.9 | 22.2 | 88% | 24 | 76.4 | 1019.5 | ||||
| 14 | 06:56 | Calm | 16.09 | Overcast | OVC046 | 22.8 | 22.8 | 100% | 76.4 | 1019.5 | |||||||
| 14 | 05:56 | Calm | 16.09 | Overcast | OVC044 | 22 | 0 | 0% | 76.35 | 1018.6 | |||||||
| 14 | 04:56 | Calm | 16.09 | Overcast | OVC046 | 22 | 0 | 0% | 76.28 | 1017.5 | |||||||
| 14 | 03:56 | Calm | 16.09 | A Few Clouds | FEW070 | 22.8 | 22.8 | 100% | 76.25 | 1017.5 | |||||||
| 14 | 02:56 | Calm | 16.09 | Overcast | OVC048 | 23.9 | 23.3 | 96% | 23 | 76.25 | 1017.3 | ||||||
| 14 | 00:56 | Calm | 16.09 | Overcast | BKN048 OVC055 | 23.9 | 23.3 | 96% | 23 | 76.3 | 1018.1 | ||||||
| 13 | 23:56 | Calm | 16.09 | Overcast | OVC048 | 23.9 | 23.3 | 96% | 23 | 76.28 | 1017.8 | ||||||
| 13 | 22:56 | Calm | 16.09 | Overcast | BKN050 OVC060 | 23.9 | 23.9 | 100% | 22 | 76.28 | 1017.5 | ||||||
| 13 | 21:56 | Calm | 16.09 | A Few Clouds | FEW055 | 23.9 | 23.9 | 100% | 22 | 76.2 | 1016.9 | ||||||
| 13 | 20:56 | Calm | 16.09 | Overcast | OVC055 | 25 | 23.3 | 90% | 26 | 76.15 | 1016.1 | ||||||
| 13 | 19:56 | Calm | 16.09 | Fair | CLR | 26.1 | 21.7 | 31.1 | 26.1 | 77% | 28 | 76.1 | 1015.3 | ||||
| 13 | 18:56 | Calm | 16.09 | Mostly Cloudy | BKN055 | 28.9 | 20.6 | 61% | 31 | 76.07 | 1014.8 | ||||||
| 13 | 17:56 | Calm | 16.09 | Overcast | OVC070 | 28.3 | 21.1 | 65% | 31 | 76.07 | 1015.0 | ||||||
| 13 | 16:56 | Calm | 16.09 | Overcast | OVC060 | 28.9 | 21.7 | 65% | 32 | 76.07 | 1015.0 | ||||||
| 13 | 15:56 | W 13 | 16.09 | Partly Cloudy | SCT045 SCT055 | 30.6 | 21.1 | 57% | 33 | 76.07 | 1015.0 | ||||||
| 13 | 14:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN044 | 30 | 21.1 | 59% | 33 | 76.07 | 1015.0 | ||||||
| 13 | 13:56 | W 17 | 16.09 | Fair | CLR | 29.4 | 21.1 | 30 | 23.3 | 61% | 32 | 76.1 | 1015.1 | ||||
| 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) | |||||||||||||||