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. | ||||||||||||||||
| 27 | 17:56 | NW 6 | 16.09 | Fair | CLR | 25.6 | 21.1 | 76% | 27 | 75.9 | 1012.6 | ||||||
| 27 | 16:56 | W 9 | 16.09 | A Few Clouds | FEW022 | 26.1 | 21.7 | 77% | 28 | 75.95 | 1013.2 | ||||||
| 27 | 15:56 | NW 9 | 16.09 | Partly Cloudy | SCT037 | 25.6 | 23.3 | 87% | 27 | 75.97 | 1013.9 | ||||||
| 27 | 14:56 | NW 13 | 16.09 | Overcast | BKN014 BKN019 OVC029 | 25 | 23.9 | 94% | 26 | 76 | 1014.1 | ||||||
| 27 | 13:56 | NW 11 | 16.09 | Mostly Cloudy | SCT008 BKN013 | 22.8 | 22.8 | 23.3 | 21.1 | 100% | 76.02 | 1014.7 | 0.03 | 0.79 | |||
| 27 | 12:56 | W 7 | 16.09 | Light Rain | BKN010 BKN032 OVC070 | 22 | 0 | 0% | 76.1 | 1015.7 | 0.08 | ||||||
| 27 | 11:56 | W 13 | 16.09 | Overcast | SCT014 BKN032 OVC070 | 22.8 | 22.8 | 100% | 76.2 | 1016.8 | |||||||
| 27 | 10:56 | Vrbl 7 | 16.09 | A Few Clouds | FEW009 | 23.3 | 23.3 | 100% | 76.15 | 1016.4 | 0.03 | 0.69 | |||||
| 27 | 09:56 | W 6 | 1.61 | Heavy Rain | BKN006 OVC009 | 21 | 0 | 0% | 76.2 | 1016.7 | 0.66 | ||||||
| 27 | 08:56 | W 7 | 14.48 | Overcast | OVC004 | 22 | 0 | 0% | 76.15 | 1016.2 | |||||||
| 27 | 07:56 | Calm | 8.05 | Overcast with Haze | OVC004 | 22 | 0 | 21.7 | 19.4 | 0% | 76.17 | 1016.5 | |||||
| 27 | 06:56 | Calm | 4.83 | Fog/Mist | OVC004 | 21 | 0 | 0% | 76.17 | 1016.5 | |||||||
| 27 | 05:56 | Calm | 8.05 | Overcast with Haze | OVC006 | 21 | 0 | 0% | 76.17 | 1016.5 | |||||||
| 27 | 04:56 | Calm | 14.48 | Overcast | OVC008 | 21 | 0 | 0% | 76.2 | 1016.8 | |||||||
| 27 | 03:56 | Calm | 16.09 | Overcast | OVC006 | 21 | 0 | 0% | 76.2 | 1016.7 | |||||||
| 27 | 02:56 | SE 6 | 16.09 | Overcast | OVC010 | 21 | 0 | 0% | 76.2 | 1017.0 | |||||||
| 27 | 01:56 | Calm | 16.09 | Overcast | OVC012 | 20 | 0 | 21.1 | 19.4 | 0% | 76.25 | 1017.5 | |||||
| 27 | 00:56 | Calm | 16.09 | Overcast | BKN016 OVC100 | 21 | 0 | 0% | 76.3 | 1018.4 | |||||||
| 26 | 23:56 | Calm | 16.09 | Partly Cloudy | FEW090 SCT110 | 19 | 0 | 0% | 76.33 | 1018.6 | |||||||
| 26 | 22:56 | Calm | 16.09 | A Few Clouds | FEW018 | 20.6 | 20.6 | 100% | 76.38 | 1019.4 | |||||||
| 26 | 21:56 | SE 6 | 16.09 | Mostly Cloudy | BKN022 | 20 | 20 | 100% | 76.4 | 1019.6 | |||||||
| 26 | 20:56 | Calm | 16.09 | Partly Cloudy | SCT022 | 20 | 20 | 100% | 76.4 | 1019.5 | |||||||
| 26 | 19:56 | Calm | 16.09 | Mostly Cloudy | BKN037 | 21.1 | 20.6 | 24.4 | 21.1 | 97% | 76.4 | 1019.5 | |||||
| 26 | 18:56 | Calm | 16.09 | Mostly Cloudy | BKN043 BKN100 | 21.7 | 21.1 | 96% | 76.4 | 1019.6 | |||||||
| 26 | 17:56 | SE 9 | 16.09 | Mostly Cloudy | FEW047 SCT055 BKN100 | 23.3 | 18.9 | 76% | 76.43 | 1019.8 | |||||||
| 26 | 16:56 | SE 7 | 16.09 | Overcast | OVC044 | 22.2 | 18.9 | 82% | 76.45 | 1020.3 | |||||||
| 26 | 15:56 | Vrbl 6 | 16.09 | Overcast | BKN050 OVC065 | 24.4 | 17.2 | 64% | 25 | 76.45 | 1020.5 | ||||||
| 26 | 14:56 | Calm | 16.09 | Overcast | OVC050 | 22.8 | 18.3 | 76% | 76.53 | 1021.4 | |||||||
| 26 | 13:56 | S 6 | 16.09 | Overcast | BKN050 OVC070 | 22.8 | 18.9 | 23.3 | 19.4 | 79% | 76.58 | 1022.1 | |||||
| 26 | 12:56 | Calm | 16.09 | Overcast | BKN060 BKN070 OVC085 | 22.2 | 19.4 | 84% | 76.63 | 1022.5 | |||||||
| 26 | 11:56 | SE 7 | 16.09 | Overcast | BKN080 OVC100 | 20.6 | 20 | 96% | 76.66 | 1023.2 | |||||||
| 26 | 10:56 | SE 11 | 16.09 | Overcast | OVC070 | 20 | 20 | 100% | 76.66 | 1023.0 | |||||||
| 26 | 09:56 | Calm | 11.27 | Light Rain | FEW060 OVC080 | 21 | 0 | 0% | 76.66 | 1023.0 | |||||||
| 26 | 08:56 | Calm | 11.27 | Overcast | FEW037 OVC070 | 20 | 0 | 0% | 76.66 | 1022.8 | |||||||
| 26 | 07:56 | Calm | 9.66 | Light Rain | OVC070 | 19 | 0 | 19.4 | 17.2 | 0% | 76.61 | 1022.4 | 0.03 | 0.03 | |||
| 26 | 06:56 | Calm | 6.44 | Overcast with Haze | OVC085 | 18 | 0 | 0% | 76.56 | 1021.8 | |||||||
| 26 | 05:56 | Calm | 4.83 | Fog/Mist | BKN090 OVC110 | 18 | 0 | 0% | 76.5 | 1020.8 | |||||||
| 26 | 04:56 | Calm | 3.22 | Fog/Mist | OVC100 | 17 | 0 | 0% | 76.45 | 1020.2 | |||||||
| 26 | 03:56 | Calm | 1.21 | Fog/Mist | FEW003 BKN100 | 18 | 0 | 0% | 76.43 | 1019.9 | |||||||
| 26 | 02:56 | Calm | 0.80 | Fog | BKN001 OVC110 | 18 | 0 | 0% | 76.43 | 1019.8 | |||||||
| 26 | 01:56 | Calm | 0.80 | Fog | BKN001 | 18 | 0 | 21.1 | 17.8 | 0% | 76.45 | 1020.1 | |||||
| 26 | 00:56 | Calm | 2.01 | Fog/Mist | BKN003 OVC110 | 18 | 0 | 0% | 76.48 | 1020.5 | |||||||
| 25 | 23:56 | Calm | 3.22 | Fog/Mist | BKN065 | 18 | 0 | 0% | 76.48 | 1020.9 | |||||||
| 25 | 22:56 | Calm | 2.01 | Fog/Mist | CLR | 19 | 0 | 0% | 76.5 | 1020.9 | |||||||
| 25 | 21:56 | Calm | 12.87 | A Few Clouds | FEW065 | 20 | 0 | 0% | 76.5 | 1021.0 | |||||||
| 25 | 20:56 | Calm | 16.09 | Fair | CLR | 21 | 0 | 0% | 76.48 | 1020.7 | |||||||
| 25 | 19:56 | Calm | 16.09 | A Few Clouds | FEW060 | 21.7 | 21.7 | 25 | 21.7 | 100% | 76.43 | 1020.1 | 0.03 | ||||
| 25 | 18:56 | Calm | 16.09 | Fair | CLR | 23.3 | 22.8 | 97% | 76.43 | 1019.8 | |||||||
| 25 | 17:56 | SE 11 | 16.09 | Fair | CLR | 23.3 | 23.3 | 100% | 76.4 | 1019.7 | |||||||
| 25 | 16:56 | Calm | 16.09 | Mostly Cloudy | SCT015 BKN023 BKN110 | 24.4 | 22.8 | 91% | 24 | 76.43 | 1019.8 | 0.03 | |||||
| 25 | 15:56 | NW 6 | 16.09 | Overcast | SCT011 OVC090 | 22.8 | 22.8 | 100% | 76.45 | 1020.2 | |||||||
| 25 | 14:56 | Calm | 16.09 | Light Rain | SCT013 BKN029 OVC065 | 22.2 | 21.7 | 97% | 76.45 | 1020.5 | 0.03 | ||||||
| 25 | 13:56 | NW 7 | 16.09 | Light Rain | BKN012 OVC031 | 22 | 0 | 22.2 | 17.2 | 0% | 76.48 | 1020.8 | 0.05 | ||||
| 25 | 12:56 | SW 7 | 12.87 | Light Rain | OVC007 | 21 | 0 | 0% | 76.56 | 1021.6 | 0.03 | ||||||
| 25 | 11:56 | W 11 | 11.27 | Overcast | OVC003 | 20 | 0 | 0% | 76.56 | 1021.9 | |||||||
| 25 | 10:56 | W 9 | 12.87 | Overcast | OVC003 | 19 | 0 | 0% | 76.56 | 1021.9 | 0.03 | ||||||
| 25 | 09:56 | Calm | 12.87 | Overcast | OVC003 | 19 | 0 | 0% | 76.53 | 1021.4 | 0.03 | ||||||
| 25 | 08:56 | Calm | 0.40 | Light Rain | OVC003 | 18 | 0 | 0% | 76.53 | 1021.4 | |||||||
| 25 | 07:56 | Calm | 0.80 | Light Rain | BKN003 OVC017 | 17 | 0 | 17.2 | 15.6 | 0% | 76.5 | 1021.3 | 0.03 | 0.13 | |||
| 25 | 06:56 | Calm | 0.40 | Fog | OVC003 | 17 | 0 | 0% | 76.5 | 1021.1 | |||||||
| 25 | 05:56 | Calm | 0.40 | Light Rain | OVC003 | 16 | 0 | 0% | 76.45 | 1020.6 | 0.03 | ||||||
| 25 | 04:56 | Calm | 1.21 | Light Rain | OVC001 | 16 | 0 | 0% | 76.48 | 1020.8 | 0.03 | 0.08 | |||||
| 25 | 03:56 | SE 6 | 1.21 | Light Rain | OVC001 | 16 | 0 | 0% | 76.48 | 1020.8 | 0.05 | ||||||
| 25 | 02:56 | SE 6 | 0.80 | Fog | BKN003 OVC017 | 16 | 0 | 0% | 76.48 | 1020.9 | |||||||
| 25 | 01:56 | Calm | 0.80 | Fog | BKN001 OVC019 | 16 | 0 | 16.1 | 15 | 0% | 76.5 | 1021.3 | |||||
| 25 | 00:56 | Vrbl 7 | 3.22 | Fog/Mist | OVC003 | 16 | 0 | 0% | 76.58 | 1022.2 | |||||||
| 24 | 23:56 | Calm | 4.02 | Fog/Mist | OVC003 | 16 | 0 | 0% | 76.58 | 1022.3 | |||||||
| 24 | 22:56 | SE 7 | 2.82 | Fog/Mist | OVC003 | 16 | 0 | 0% | 76.66 | 1023.3 | |||||||
| 24 | 21:56 | SE 6 | 2.41 | Fog/Mist | BKN003 OVC012 | 16 | 0 | 0% | 76.68 | 1023.5 | |||||||
| 24 | 20:56 | Calm | 3.22 | Fog/Mist | OVC003 | 16 | 0 | 0% | 76.66 | 1023.4 | |||||||
| 24 | 19:56 | Vrbl 6 | 4.02 | Fog/Mist | OVC007 | 16 | 0 | 18.3 | 15.6 | 0% | 76.66 | 1023.3 | |||||
| 24 | 18:56 | Vrbl 7 | 16.09 | Overcast | OVC009 | 17 | 0 | 0% | 76.63 | 1023.0 | |||||||
| 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) | |||||||||||||||