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. | ||||||||||||||||
| 29 | 16:56 | Vrbl 7 | 16.09 | Fair | CLR | 30 | 20 | 55% | 32 | 76.5 | 1020.7 | ||||||
| 29 | 15:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN047 BKN060 | 28.3 | 20 | 61% | 30 | 76.5 | 1020.8 | ||||||
| 29 | 14:56 | SE 11 | 16.09 | A Few Clouds | FEW050 | 30 | 21.1 | 59% | 33 | 76.5 | 1020.9 | ||||||
| 29 | 13:56 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN060 | 29.4 | 22.2 | 30 | 21.7 | 65% | 33 | 76.53 | 1021.1 | ||||
| 29 | 12:56 | Vrbl 7 | 16.09 | Mostly Cloudy | FEW031 BKN060 | 29.4 | 21.7 | 63% | 32 | 76.56 | 1021.2 | ||||||
| 29 | 11:56 | Calm | 16.09 | Partly Cloudy | FEW025 SCT060 | 27.8 | 21.1 | 67% | 30 | 76.56 | 1021.6 | ||||||
| 29 | 10:56 | Calm | 16.09 | Overcast | SCT016 OVC060 | 26.1 | 21.7 | 77% | 28 | 76.56 | 1021.5 | ||||||
| 29 | 09:56 | Vrbl 6 | 16.09 | Overcast | OVC055 | 24.4 | 23.9 | 97% | 24 | 76.56 | 1021.6 | ||||||
| 29 | 08:56 | Calm | 14.48 | Overcast | OVC049 | 22 | 0 | 0% | 76.53 | 1021.5 | |||||||
| 29 | 07:56 | Calm | 12.87 | Overcast | OVC045 | 22 | 0 | 21.7 | 20 | 0% | 76.5 | 1020.8 | |||||
| 29 | 06:56 | Calm | 11.27 | Overcast | OVC047 | 22 | 0 | 0% | 76.4 | 1019.7 | |||||||
| 29 | 05:56 | Calm | 4.83 | Fog/Mist | OVC045 | 21 | 0 | 0% | 76.38 | 1019.3 | |||||||
| 29 | 04:56 | Calm | 9.66 | Overcast with Haze | OVC043 | 21 | 0 | 0% | 76.3 | 1018.3 | |||||||
| 29 | 03:56 | Calm | 9.66 | Overcast with Haze | FEW018 OVC043 | 21 | 0 | 0% | 76.3 | 1018.3 | |||||||
| 29 | 02:56 | Calm | 1.61 | Fog/Mist | CLR | 20 | 0 | 0% | 76.3 | 1018.4 | |||||||
| 29 | 01:56 | Calm | 4.83 | Fog/Mist | BKN021 OVC110 | 21 | 0 | 23.9 | 21.1 | 0% | 76.3 | 1018.4 | |||||
| 29 | 00:56 | Calm | 6.44 | Overcast with Haze | OVC043 | 22 | 0 | 0% | 76.33 | 1018.7 | |||||||
| 28 | 23:56 | Calm | 9.66 | Overcast with Haze | OVC043 | 22 | 0 | 0% | 76.3 | 1018.4 | |||||||
| 28 | 22:56 | Calm | 8.05 | Partly Cloudy with Haze | SCT021 SCT043 | 21 | 0 | 0% | 76.3 | 1018.3 | |||||||
| 28 | 21:56 | Calm | 9.66 | Mostly Cloudy with Haze | BKN021 | 22 | 0 | 0% | 76.3 | 1018.2 | |||||||
| 28 | 20:56 | Calm | 16.09 | Mostly Cloudy | BKN070 | 22 | 0 | 0% | 76.25 | 1017.5 | |||||||
| 28 | 19:56 | SE 6 | 16.09 | Overcast | FEW039 SCT046 OVC075 | 23.3 | 23.3 | 26.1 | 22.8 | 100% | 76.23 | 1017.3 | |||||
| 28 | 18:56 | Calm | 16.09 | Overcast | SCT030 BKN050 OVC080 | 23.3 | 23.3 | 100% | 76.2 | 1017.0 | |||||||
| 28 | 17:56 | S 7 | 16.09 | Overcast | FEW018 BKN031 OVC050 | 24.4 | 23.9 | 97% | 24 | 76.17 | 1016.6 | ||||||
| 28 | 16:56 | SE 11 | 16.09 | Overcast | SCT015 BKN022 OVC060 | 25.6 | 23.9 | 90% | 27 | 76.2 | 1016.7 | ||||||
| 28 | 15:56 | Vrbl 6 | 16.09 | Overcast | FEW010 BKN016 OVC075 | 25.6 | 24.4 | 93% | 27 | 76.2 | 1016.8 | ||||||
| 28 | 14:56 | Vrbl 6 | 11.27 | Overcast | FEW009 OVC016 | 23 | 0 | 0% | 76.23 | 1017.1 | |||||||
| 28 | 13:56 | Calm | 9.66 | Overcast with Haze | FEW007 OVC016 | 23 | 0 | 22.8 | 20.6 | 0% | 76.23 | 1017.2 | 0.03 | 0.41 | |||
| 28 | 12:56 | Calm | 6.44 | Overcast with Haze | BKN006 OVC011 | 22 | 0 | 0% | 76.25 | 1017.5 | |||||||
| 28 | 11:56 | Calm | 11.27 | Overcast | BKN006 OVC042 | 22 | 0 | 0% | 76.23 | 1017.2 | 0.03 | ||||||
| 28 | 10:56 | Vrbl 6 | 2.41 | Light Rain | OVC004 | 21 | 0 | 0% | 76.2 | 1017.0 | 0.13 | 0.36 | |||||
| 28 | 09:56 | Vrbl 6 | 2.82 | Light Rain | OVC004 | 21 | 0 | 0% | 76.2 | 1016.9 | 0.18 | ||||||
| 28 | 08:56 | Calm | 2.41 | Light Rain | OVC006 | 21 | 0 | 0% | 76.2 | 1017.0 | 0.05 | ||||||
| 28 | 07:56 | Calm | 6.44 | Overcast with Haze | BKN004 OVC011 | 21 | 0 | 21.1 | 20.6 | 0% | 76.17 | 1016.7 | 0.03 | 0.18 | |||
| 28 | 06:56 | Calm | 2.01 | Light Rain | OVC004 | 21 | 0 | 0% | 76.15 | 1016.4 | 0.15 | ||||||
| 28 | 05:56 | Vrbl 6 | 4.02 | Light Rain | OVC006 | 21 | 0 | 0% | 76.15 | 1016.1 | |||||||
| 28 | 04:56 | Calm | 4.02 | Fog/Mist | OVC004 | 21 | 0 | 0% | 76.12 | 1015.7 | |||||||
| 28 | 03:56 | Calm | 4.83 | Fog/Mist | OVC004 | 21 | 0 | 0% | 76.1 | 1015.5 | |||||||
| 28 | 02:56 | Calm | 4.83 | Fog/Mist | OVC004 | 21 | 0 | 0% | 76.15 | 1016.0 | |||||||
| 28 | 01:56 | Calm | 6.44 | Overcast with Haze | BKN004 BKN028 OVC043 | 21 | 0 | 21.7 | 20.6 | 0% | 76.12 | 1015.9 | 0.2 | ||||
| 28 | 00:56 | Calm | 4.83 | Fog/Mist | FEW038 OVC055 | 21 | 0 | 0% | 76.17 | 1016.4 | |||||||
| 27 | 23:56 | Calm | 4.83 | Fog/Mist | FEW055 OVC110 | 21 | 0 | 0% | 76.2 | 1016.8 | |||||||
| 27 | 22:56 | Calm | 6.44 | Overcast with Haze | BKN047 OVC055 | 21 | 0 | 0% | 76.17 | 1016.7 | 0.03 | 0.2 | |||||
| 27 | 21:56 | Calm | 9.66 | Overcast with Haze | OVC041 | 22 | 0 | 0% | 76.23 | 1017.1 | |||||||
| 27 | 20:56 | Calm | 3.22 | Light Rain | FEW011 SCT026 OVC037 | 22 | 0 | 0% | 76.17 | 1016.8 | 0.18 | ||||||
| 27 | 19:56 | SE 9 | 4.83 | Light Rain | FEW006 BKN026 OVC031 | 22 | 0 | 26.7 | 22.2 | 0% | 76.2 | 1016.8 | 0.1 | 0.13 | |||
| 27 | 18:56 | Vrbl 6 | 14.48 | Light Rain | FEW019 SCT026 OVC036 | 22 | 0 | 0% | 76.15 | 1016.4 | 0.03 | ||||||
| 27 | 17:56 | SE 11 | 16.09 | Overcast | BKN021 BKN027 OVC039 | 24.4 | 23.3 | 94% | 24 | 76.15 | 1016.2 | ||||||
| 27 | 16:56 | Calm | 16.09 | Overcast | FEW026 BKN036 OVC046 | 25.6 | 22.8 | 85% | 27 | 76.15 | 1016.1 | ||||||
| 27 | 15:56 | Calm | 16.09 | Overcast | FEW024 BKN030 OVC070 | 25.6 | 21.7 | 79% | 27 | 76.17 | 1016.5 | ||||||
| 27 | 14:56 | Vrbl 6 | 16.09 | A Few Clouds | FEW018 | 26.1 | 22.8 | 82% | 28 | 76.23 | 1017.1 | ||||||
| 27 | 13:56 | Calm | 16.09 | Overcast | FEW017 SCT075 OVC100 | 25 | 23.3 | 25 | 21.7 | 90% | 26 | 76.28 | 1017.8 | ||||
| 27 | 12:56 | Calm | 16.09 | Overcast | OVC080 | 23.9 | 23.9 | 100% | 22 | 76.3 | 1018.1 | ||||||
| 27 | 11:56 | Calm | 16.09 | Overcast | BKN011 OVC120 | 23.3 | 23.3 | 100% | 76.35 | 1018.9 | |||||||
| 27 | 10:56 | Calm | 16.09 | Overcast | OVC080 | 22.2 | 22.2 | 100% | 76.35 | 1018.9 | |||||||
| 27 | 09:56 | NW 7 | 16.09 | Overcast | SCT022 OVC026 | 22.2 | 21.7 | 97% | 76.38 | 1019.3 | |||||||
| 27 | 08:56 | Calm | 16.09 | Overcast | OVC027 | 22 | 0 | 0% | 76.38 | 1019.1 | |||||||
| 27 | 07:56 | Calm | 14.48 | Overcast | OVC041 | 22 | 0 | 23.9 | 21.1 | 0% | 76.35 | 1018.7 | 0.94 | ||||
| 27 | 06:56 | Calm | 9.66 | Light Rain | FEW055 SCT090 | 21 | 0 | 0% | 76.33 | 1018.4 | 0.94 | ||||||
| 27 | 05:56 | Calm | 14.48 | Overcast | OVC046 | 22 | 0 | 0% | 76.35 | 1018.7 | |||||||
| 27 | 04:56 | Calm | 16.09 | Overcast | SCT043 BKN050 OVC065 | 22 | 0 | 0% | 76.33 | 1018.3 | |||||||
| 27 | 03:56 | Calm | 16.09 | Light Rain | BKN065 OVC090 | 22 | 0 | 0% | 76.33 | 1018.5 | |||||||
| 27 | 02:56 | Calm | 16.09 | Mostly Cloudy | BKN070 BKN090 | 22 | 0 | 0% | 76.33 | 1018.3 | |||||||
| 27 | 01:56 | Calm | 16.09 | Light Rain | SCT120 | 22 | 0 | 25.6 | 22.2 | 0% | 76.38 | 1018.9 | |||||
| 27 | 00:56 | SE 6 | 16.09 | A Few Clouds | FEW120 | 22.8 | 22.8 | 100% | 76.43 | 1019.6 | |||||||
| 26 | 23:56 | Calm | 16.09 | Mostly Cloudy | FEW060 BKN075 | 22.8 | 22.2 | 96% | 76.45 | 1019.9 | |||||||
| 26 | 22:56 | Calm | 16.09 | Partly Cloudy | SCT120 | 23.3 | 21.7 | 91% | 76.45 | 1020.3 | |||||||
| 26 | 21:56 | Calm | 16.09 | Fair | CLR | 23.9 | 20.6 | 82% | 24 | 76.45 | 1020.2 | ||||||
| 26 | 20:56 | Calm | 16.09 | A Few Clouds | FEW048 | 24.4 | 20 | 77% | 25 | 76.43 | 1019.7 | ||||||
| 26 | 19:56 | Calm | 16.09 | Partly Cloudy | SCT120 | 25.6 | 20 | 30.6 | 25.6 | 71% | 27 | 76.43 | 1019.6 | ||||
| 26 | 18:56 | Calm | 16.09 | Fair | CLR | 26.7 | 20.6 | 69% | 28 | 76.38 | 1019.2 | ||||||
| 26 | 17:56 | Calm | 16.09 | Fair | CLR | 27.2 | 20.6 | 67% | 29 | 76.35 | 1018.7 | ||||||
| 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) | |||||||||||||||