Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (edt) | 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. | ||||||||||||||||
| 29 | 17:56 | Vrbl 3 | 10.00 | Partly Cloudy | SCT100 | 84.9 | 64.9 | 51% | 87 | 30.13 | 1021.2 | ||||||
| 29 | 16:56 | Vrbl 5 | 10.00 | Fair | CLR | 86 | 68 | 55% | 89 | 30.12 | 1020.7 | ||||||
| 29 | 15:56 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN047 BKN060 | 82.9 | 68 | 61% | 86 | 30.12 | 1020.8 | ||||||
| 29 | 14:56 | SE 7 | 10.00 | A Few Clouds | FEW050 | 86 | 70 | 59% | 91 | 30.12 | 1020.9 | ||||||
| 29 | 13:56 | Vrbl 3 | 10.00 | Mostly Cloudy | BKN060 | 84.9 | 72 | 86 | 71.1 | 65% | 91 | 30.13 | 1021.1 | ||||
| 29 | 12:56 | Vrbl 5 | 10.00 | Mostly Cloudy | FEW031 BKN060 | 84.9 | 71.1 | 63% | 90 | 30.14 | 1021.2 | ||||||
| 29 | 11:56 | Calm | 10.00 | Partly Cloudy | FEW025 SCT060 | 82 | 70 | 67% | 86 | 30.14 | 1021.6 | ||||||
| 29 | 10:56 | Calm | 10.00 | Overcast | SCT016 OVC060 | 79 | 71.1 | 77% | 82 | 30.14 | 1021.5 | ||||||
| 29 | 09:56 | Vrbl 3 | 10.00 | Overcast | OVC055 | 75.9 | 75 | 97% | 75 | 30.14 | 1021.6 | ||||||
| 29 | 08:56 | Calm | 9.00 | Overcast | OVC049 | 71.6 | 0 | 0% | 30.13 | 1021.5 | |||||||
| 29 | 07:56 | Calm | 8.00 | Overcast | OVC045 | 71.6 | 0 | 71.1 | 68 | 0% | 30.12 | 1020.8 | |||||
| 29 | 06:56 | Calm | 7.00 | Overcast | OVC047 | 71.6 | 0 | 0% | 30.08 | 1019.7 | |||||||
| 29 | 05:56 | Calm | 3.00 | Fog/Mist | OVC045 | 69.8 | 0 | 0% | 30.07 | 1019.3 | |||||||
| 29 | 04:56 | Calm | 6.00 | Overcast with Haze | OVC043 | 69.8 | 0 | 0% | 30.04 | 1018.3 | |||||||
| 29 | 03:56 | Calm | 6.00 | Overcast with Haze | FEW018 OVC043 | 69.8 | 0 | 0% | 30.04 | 1018.3 | |||||||
| 29 | 02:56 | Calm | 1.00 | Fog/Mist | CLR | 68 | 0 | 0% | 30.04 | 1018.4 | |||||||
| 29 | 01:56 | Calm | 3.00 | Fog/Mist | BKN021 OVC110 | 69.8 | 0 | 75 | 70 | 0% | 30.04 | 1018.4 | |||||
| 29 | 00:56 | Calm | 4.00 | Overcast with Haze | OVC043 | 71.6 | 0 | 0% | 30.05 | 1018.7 | |||||||
| 28 | 23:56 | Calm | 6.00 | Overcast with Haze | OVC043 | 71.6 | 0 | 0% | 30.04 | 1018.4 | |||||||
| 28 | 22:56 | Calm | 5.00 | Partly Cloudy with Haze | SCT021 SCT043 | 69.8 | 0 | 0% | 30.04 | 1018.3 | |||||||
| 28 | 21:56 | Calm | 6.00 | Mostly Cloudy with Haze | BKN021 | 71.6 | 0 | 0% | 30.04 | 1018.2 | |||||||
| 28 | 20:56 | Calm | 10.00 | Mostly Cloudy | BKN070 | 71.6 | 0 | 0% | 30.02 | 1017.5 | |||||||
| 28 | 19:56 | SE 3 | 10.00 | Overcast | FEW039 SCT046 OVC075 | 73.9 | 73.9 | 79 | 73 | 100% | 30.01 | 1017.3 | |||||
| 28 | 18:56 | Calm | 10.00 | Overcast | SCT030 BKN050 OVC080 | 73.9 | 73.9 | 100% | 30 | 1017.0 | |||||||
| 28 | 17:56 | S 5 | 10.00 | Overcast | FEW018 BKN031 OVC050 | 75.9 | 75 | 97% | 75 | 29.99 | 1016.6 | ||||||
| 28 | 16:56 | SE 7 | 10.00 | Overcast | SCT015 BKN022 OVC060 | 78.1 | 75 | 90% | 81 | 30 | 1016.7 | ||||||
| 28 | 15:56 | Vrbl 3 | 10.00 | Overcast | FEW010 BKN016 OVC075 | 78.1 | 75.9 | 93% | 81 | 30 | 1016.8 | ||||||
| 28 | 14:56 | Vrbl 3 | 7.00 | Overcast | FEW009 OVC016 | 73.4 | 0 | 0% | 30.01 | 1017.1 | |||||||
| 28 | 13:56 | Calm | 6.00 | Overcast with Haze | FEW007 OVC016 | 73.4 | 0 | 73 | 69.1 | 0% | 30.01 | 1017.2 | 0.01 | 0.16 | |||
| 28 | 12:56 | Calm | 4.00 | Overcast with Haze | BKN006 OVC011 | 71.6 | 0 | 0% | 30.02 | 1017.5 | |||||||
| 28 | 11:56 | Calm | 7.00 | Overcast | BKN006 OVC042 | 71.6 | 0 | 0% | 30.01 | 1017.2 | 0.01 | ||||||
| 28 | 10:56 | Vrbl 3 | 1.50 | Light Rain | OVC004 | 69.8 | 0 | 0% | 30 | 1017.0 | 0.05 | 0.14 | |||||
| 28 | 09:56 | Vrbl 3 | 1.75 | Light Rain | OVC004 | 69.8 | 0 | 0% | 30 | 1016.9 | 0.07 | ||||||
| 28 | 08:56 | Calm | 1.50 | Light Rain | OVC006 | 69.8 | 0 | 0% | 30 | 1017.0 | 0.02 | ||||||
| 28 | 07:56 | Calm | 4.00 | Overcast with Haze | BKN004 OVC011 | 69.8 | 0 | 70 | 69.1 | 0% | 29.99 | 1016.7 | 0.01 | 0.07 | |||
| 28 | 06:56 | Calm | 1.25 | Light Rain | OVC004 | 69.8 | 0 | 0% | 29.98 | 1016.4 | 0.06 | ||||||
| 28 | 05:56 | Vrbl 3 | 2.50 | Light Rain | OVC006 | 69.8 | 0 | 0% | 29.98 | 1016.1 | |||||||
| 28 | 04:56 | Calm | 2.50 | Fog/Mist | OVC004 | 69.8 | 0 | 0% | 29.97 | 1015.7 | |||||||
| 28 | 03:56 | Calm | 3.00 | Fog/Mist | OVC004 | 69.8 | 0 | 0% | 29.96 | 1015.5 | |||||||
| 28 | 02:56 | Calm | 3.00 | Fog/Mist | OVC004 | 69.8 | 0 | 0% | 29.98 | 1016.0 | |||||||
| 28 | 01:56 | Calm | 4.00 | Overcast with Haze | BKN004 BKN028 OVC043 | 69.8 | 0 | 71.1 | 69.1 | 0% | 29.97 | 1015.9 | 0.08 | ||||
| 28 | 00:56 | Calm | 3.00 | Fog/Mist | FEW038 OVC055 | 69.8 | 0 | 0% | 29.99 | 1016.4 | |||||||
| 27 | 23:56 | Calm | 3.00 | Fog/Mist | FEW055 OVC110 | 69.8 | 0 | 0% | 30 | 1016.8 | |||||||
| 27 | 22:56 | Calm | 4.00 | Overcast with Haze | BKN047 OVC055 | 69.8 | 0 | 0% | 29.99 | 1016.7 | 0.01 | 0.08 | |||||
| 27 | 21:56 | Calm | 6.00 | Overcast with Haze | OVC041 | 71.6 | 0 | 0% | 30.01 | 1017.1 | |||||||
| 27 | 20:56 | Calm | 2.00 | Light Rain | FEW011 SCT026 OVC037 | 71.6 | 0 | 0% | 29.99 | 1016.8 | 0.07 | ||||||
| 27 | 19:56 | SE 6 | 3.00 | Light Rain | FEW006 BKN026 OVC031 | 71.6 | 0 | 80.1 | 72 | 0% | 30 | 1016.8 | 0.04 | 0.05 | |||
| 27 | 18:56 | Vrbl 3 | 9.00 | Light Rain | FEW019 SCT026 OVC036 | 71.6 | 0 | 0% | 29.98 | 1016.4 | 0.01 | ||||||
| 27 | 17:56 | SE 7 | 10.00 | Overcast | BKN021 BKN027 OVC039 | 75.9 | 73.9 | 94% | 75 | 29.98 | 1016.2 | ||||||
| 27 | 16:56 | Calm | 10.00 | Overcast | FEW026 BKN036 OVC046 | 78.1 | 73 | 85% | 81 | 29.98 | 1016.1 | ||||||
| 27 | 15:56 | Calm | 10.00 | Overcast | FEW024 BKN030 OVC070 | 78.1 | 71.1 | 79% | 80 | 29.99 | 1016.5 | ||||||
| 27 | 14:56 | Vrbl 3 | 10.00 | A Few Clouds | FEW018 | 79 | 73 | 82% | 82 | 30.01 | 1017.1 | ||||||
| 27 | 13:56 | Calm | 10.00 | Overcast | FEW017 SCT075 OVC100 | 77 | 73.9 | 77 | 71.1 | 90% | 78 | 30.03 | 1017.8 | ||||
| 27 | 12:56 | Calm | 10.00 | Overcast | OVC080 | 75 | 75 | 100% | 72 | 30.04 | 1018.1 | ||||||
| 27 | 11:56 | Calm | 10.00 | Overcast | BKN011 OVC120 | 73.9 | 73.9 | 100% | 30.06 | 1018.9 | |||||||
| 27 | 10:56 | Calm | 10.00 | Overcast | OVC080 | 72 | 72 | 100% | 30.06 | 1018.9 | |||||||
| 27 | 09:56 | NW 5 | 10.00 | Overcast | SCT022 OVC026 | 72 | 71.1 | 97% | 30.07 | 1019.3 | |||||||
| 27 | 08:56 | Calm | 10.00 | Overcast | OVC027 | 71.6 | 0 | 0% | 30.07 | 1019.1 | |||||||
| 27 | 07:56 | Calm | 9.00 | Overcast | OVC041 | 71.6 | 0 | 75 | 70 | 0% | 30.06 | 1018.7 | 0.37 | ||||
| 27 | 06:56 | Calm | 6.00 | Light Rain | FEW055 SCT090 | 69.8 | 0 | 0% | 30.05 | 1018.4 | 0.37 | ||||||
| 27 | 05:56 | Calm | 9.00 | Overcast | OVC046 | 71.6 | 0 | 0% | 30.06 | 1018.7 | |||||||
| 27 | 04:56 | Calm | 10.00 | Overcast | SCT043 BKN050 OVC065 | 71.6 | 0 | 0% | 30.05 | 1018.3 | |||||||
| 27 | 03:56 | Calm | 10.00 | Light Rain | BKN065 OVC090 | 71.6 | 0 | 0% | 30.05 | 1018.5 | |||||||
| 27 | 02:56 | Calm | 10.00 | Mostly Cloudy | BKN070 BKN090 | 71.6 | 0 | 0% | 30.05 | 1018.3 | |||||||
| 27 | 01:56 | Calm | 10.00 | Light Rain | SCT120 | 71.6 | 0 | 78.1 | 72 | 0% | 30.07 | 1018.9 | |||||
| 27 | 00:56 | SE 3 | 10.00 | A Few Clouds | FEW120 | 73 | 73 | 100% | 30.09 | 1019.6 | |||||||
| 26 | 23:56 | Calm | 10.00 | Mostly Cloudy | FEW060 BKN075 | 73 | 72 | 96% | 30.1 | 1019.9 | |||||||
| 26 | 22:56 | Calm | 10.00 | Partly Cloudy | SCT120 | 73.9 | 71.1 | 91% | 30.1 | 1020.3 | |||||||
| 26 | 21:56 | Calm | 10.00 | Fair | CLR | 75 | 69.1 | 82% | 75 | 30.1 | 1020.2 | ||||||
| 26 | 20:56 | Calm | 10.00 | A Few Clouds | FEW048 | 75.9 | 68 | 77% | 77 | 30.09 | 1019.7 | ||||||
| 26 | 19:56 | Calm | 10.00 | Partly Cloudy | SCT120 | 78.1 | 68 | 87.1 | 78.1 | 71% | 80 | 30.09 | 1019.6 | ||||
| 26 | 18:56 | Calm | 10.00 | Fair | CLR | 80.1 | 69.1 | 69% | 83 | 30.07 | 1019.2 | ||||||
| Date | Time (edt) | 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) | |||||||||||||||