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. | ||||||||||||||||
| 19 | 03:56 | Calm | 6.44 | Fair with Haze | CLR | 18 | 0 | 0% | 76.07 | 1015.3 | |||||||
| 19 | 02:56 | Calm | 8.05 | Fair with Haze | CLR | 18 | 0 | 0% | 76.1 | 1015.3 | |||||||
| 19 | 01:56 | Calm | 14.48 | Fair | CLR | 18 | 0 | 24.4 | 18.3 | 0% | 76.1 | 1015.5 | |||||
| 19 | 00:56 | Calm | 16.09 | Fair | CLR | 19 | 0 | 0% | 76.1 | 1015.5 | |||||||
| 18 | 23:56 | Calm | 16.09 | Fair | CLR | 19 | 0 | 0% | 76.1 | 1015.5 | |||||||
| 18 | 22:56 | Calm | 16.09 | Fair | CLR | 20 | 20 | 100% | 76.1 | 1015.5 | |||||||
| 18 | 19:56 | Calm | 16.09 | Fair | CLR | 25 | 20 | 29.4 | 25 | 74% | 26 | 76.05 | 1014.6 | ||||
| 18 | 18:56 | Calm | 16.09 | Fair | CLR | 27.8 | 18.9 | 58% | 29 | 76.02 | 1014.4 | ||||||
| 18 | 17:56 | NW 9 | 16.09 | Partly Cloudy | SCT080 | 28.3 | 18.9 | 57% | 30 | 76.02 | 1014.3 | ||||||
| 18 | 16:56 | NW 13 | 16.09 | A Few Clouds | FEW080 | 28.9 | 19.4 | 57% | 30 | 76.02 | 1014.3 | ||||||
| 18 | 15:56 | NW 13 | 16.09 | Overcast | SCT036 SCT065 OVC090 | 27.8 | 20 | 63% | 29 | 76.02 | 1014.3 | ||||||
| 18 | 14:56 | NW 15 | 16.09 | Overcast | BKN060 OVC080 | 28.3 | 21.7 | 67% | 31 | 76.05 | 1014.7 | ||||||
| 18 | 13:56 | NW 11 | 16.09 | Overcast | FEW032 BKN050 OVC080 | 27.8 | 22.8 | 29.4 | 22.2 | 74% | 31 | 76.02 | 1014.4 | ||||
| 18 | 12:56 | Vrbl 7 | 16.09 | Mostly Cloudy | BKN065 BKN080 | 27.8 | 23.3 | 77% | 31 | 76.05 | 1014.6 | ||||||
| 18 | 11:56 | Vrbl 6 | 16.09 | Overcast | FEW019 OVC065 | 26.1 | 24.4 | 90% | 28 | 76.1 | 1015.2 | ||||||
| 18 | 10:56 | NW 7 | 16.09 | Overcast | SCT017 BKN024 OVC033 | 26.1 | 23.9 | 88% | 28 | 76.07 | 1015.1 | ||||||
| 18 | 09:56 | Vrbl 6 | 16.09 | Mostly Cloudy | FEW013 BKN095 | 25.6 | 23.9 | 90% | 27 | 76.05 | 1014.7 | ||||||
| 18 | 08:56 | Calm | 16.09 | Fair | CLR | 24.4 | 24.4 | 100% | 24 | 76.02 | 1014.4 | ||||||
| 18 | 07:56 | Calm | 16.09 | Fair | CLR | 22 | 0 | 22.2 | 20.6 | 0% | 76 | 1014.2 | |||||
| 18 | 06:56 | Calm | 14.48 | Fair | CLR | 21 | 0 | 0% | 75.97 | 1013.8 | |||||||
| 18 | 05:56 | Calm | 12.87 | Fair | CLR | 21 | 0 | 0% | 75.92 | 1013.1 | |||||||
| 18 | 04:56 | Calm | 16.09 | Fair | CLR | 21 | 0 | 0% | 75.9 | 1012.6 | |||||||
| 18 | 03:56 | Calm | 14.48 | Fair | CLR | 21 | 0 | 0% | 75.87 | 1012.3 | |||||||
| 18 | 02:56 | Calm | 12.87 | Fair | CLR | 22 | 0 | 0% | 75.87 | 1012.4 | |||||||
| 18 | 01:56 | Calm | 16.09 | Fair | CLR | 22 | 0 | 23.9 | 21.7 | 0% | 75.92 | 1012.8 | |||||
| 18 | 00:56 | Calm | 16.09 | Fair | CLR | 22 | 0 | 0% | 75.92 | 1013.0 | |||||||
| 17 | 23:56 | Calm | 16.09 | Fair | CLR | 22 | 0 | 0% | 75.92 | 1013.0 | |||||||
| 17 | 22:56 | Calm | 16.09 | Mostly Cloudy | BKN100 | 22 | 0 | 0% | 75.92 | 1013.0 | |||||||
| 17 | 21:56 | Calm | 16.09 | Fair | CLR | 23 | 0 | 0% | 75.92 | 1013.1 | |||||||
| 17 | 20:56 | W 11 | 16.09 | Fair | CLR | 23.3 | 23.3 | 100% | 75.87 | 1012.2 | |||||||
| 17 | 19:56 | W 9 | 16.09 | A Few Clouds | FEW120 | 24 | 0 | 32.8 | 23.9 | 0% | 75.82 | 1011.6 | 0.08 | ||||
| 17 | 18:56 | Calm | 16.09 | Fair | CLR | 24.4 | 24.4 | 100% | 24 | 75.84 | 1011.9 | 0.03 | |||||
| 17 | 17:56 | Vrbl 7 | 16.09 | Thunderstorm | BKN045 BKN055 OVC070 | 24.4 | 24.4 | 100% | 24 | 75.87 | 1012.5 | 0.05 | |||||
| 17 | 16:56 | W 11 | 16.09 | A Few Clouds | FEW048 | 30.6 | 23.3 | 65% | 35 | 75.82 | 1011.5 | ||||||
| 17 | 15:56 | Calm | 11.27 | Overcast | BKN044 BKN060 OVC085 | 31.1 | 23.9 | 66% | 37 | 75.82 | 1011.7 | ||||||
| 17 | 14:56 | Vrbl 11 | 16.09 | Mostly Cloudy | BKN040 BKN075 | 31.1 | 23.3 | 63% | 36 | 75.87 | 1012.2 | ||||||
| 17 | 13:56 | W 15 | 16.09 | Overcast | BKN039 OVC049 | 30.6 | 23.3 | 31.1 | 23.3 | 65% | 35 | 75.9 | 1012.7 | ||||
| 17 | 12:56 | W 15 | 16.09 | Mostly Cloudy | SCT034 BKN042 | 30.6 | 23.9 | 67% | 36 | 75.95 | 1013.3 | ||||||
| 17 | 11:56 | NW 13 | 16.09 | Mostly Cloudy | SCT028 BKN034 | 29.4 | 23.3 | 70% | 34 | 75.97 | 1013.8 | ||||||
| 17 | 10:56 | NW 13 | 16.09 | Partly Cloudy | SCT022 | 28.3 | 24.4 | 79% | 33 | 76 | 1013.9 | ||||||
| 17 | 09:56 | NW 13 | 16.09 | Partly Cloudy | FEW016 SCT065 | 26.7 | 25 | 90% | 30 | 75.97 | 1013.7 | ||||||
| 17 | 08:56 | W 11 | 16.09 | Fair | CLR | 25 | 25 | 100% | 25 | 75.97 | 1013.6 | ||||||
| 17 | 07:56 | W 11 | 16.09 | Mostly Cloudy | BKN100 | 23 | 0 | 23.9 | 22.2 | 0% | 75.97 | 1013.7 | |||||
| 17 | 06:56 | W 9 | 16.09 | Overcast | OVC047 | 23 | 0 | 0% | 75.92 | 1013.0 | |||||||
| 17 | 05:56 | Calm | 12.87 | A Few Clouds | FEW047 | 22 | 0 | 0% | 75.87 | 1012.2 | |||||||
| 17 | 04:56 | W 9 | 16.09 | Mostly Cloudy | SCT039 BKN065 | 23 | 0 | 0% | 75.87 | 1012.3 | |||||||
| 17 | 03:56 | Vrbl 6 | 16.09 | Overcast | SCT005 OVC034 | 23 | 0 | 0% | 75.87 | 1012.4 | |||||||
| 17 | 02:56 | Calm | 14.48 | Mostly Cloudy | FEW005 BKN048 BKN070 | 23 | 0 | 0% | 75.87 | 1012.3 | |||||||
| 17 | 01:56 | SW 7 | 11.27 | Overcast | OVC003 | 24 | 0 | 23.9 | 22.8 | 0% | 75.9 | 1012.8 | 0.28 | ||||
| 17 | 00:56 | SW 6 | 16.09 | Mostly Cloudy | FEW009 BKN070 | 24 | 0 | 0% | 75.95 | 1013.4 | |||||||
| 16 | 23:56 | Calm | 16.09 | A Few Clouds | FEW110 | 23 | 0 | 0% | 75.97 | 1013.7 | |||||||
| 16 | 22:56 | Calm | 16.09 | A Few Clouds | FEW070 | 23 | 0 | 0% | 75.97 | 1013.9 | 0.28 | ||||||
| 16 | 21:56 | Calm | 11.27 | A Few Clouds | FEW005 | 23 | 0 | 0% | 76.02 | 1014.3 | |||||||
| 16 | 20:56 | S 9 | 16.09 | Mostly Cloudy | FEW007 SCT037 BKN100 | 24 | 0 | 0% | 76.02 | 1014.3 | 0.28 | ||||||
| 16 | 19:56 | SE 11 | 16.09 | Thunderstorm in Vicinity Light Rain | FEW016 BKN110 | 23 | 0 | 25 | 21.7 | 0% | 76.02 | 1014.5 | 0.08 | 0.13 | |||
| 16 | 18:56 | SE 13 | 16.09 | Overcast | FEW016 BKN030 OVC110 | 24.4 | 23.9 | 97% | 24 | 76.05 | 1014.9 | ||||||
| 16 | 17:56 | S 13 | 16.09 | Mostly Cloudy | FEW015 BKN044 BKN080 | 25 | 22.8 | 88% | 26 | 76.12 | 1015.6 | ||||||
| 16 | 16:56 | SE 15 | 16.09 | Overcast | OVC015 | 24.4 | 22.8 | 91% | 24 | 76.15 | 1016.1 | 0.05 | |||||
| 16 | 15:56 | S 17 | 16.09 | Overcast | OVC013 | 23.3 | 23.3 | 100% | 76.2 | 1016.6 | |||||||
| 16 | 14:56 | S 15 | 16.09 | Overcast | OVC013 | 22.2 | 22.2 | 100% | 76.25 | 1017.6 | 0.05 | ||||||
| 16 | 13:56 | Vrbl 9 | 14.48 | Light Rain | BKN009 OVC017 | 22 | 0 | 23.9 | 21.7 | 0% | 76.33 | 1018.6 | 0.03 | 0.33 | |||
| 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 | |||||||
| 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) | |||||||||||||||