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. | ||||||||||||||||
| 22 | 17:56 | Vrbl 7 | 8.05 | Light Rain | BKN012 OVC023 | 12 | 0 | 0% | 77.04 | 1028.4 | 0.1 | ||||||
| 22 | 16:56 | Vrbl 9 | 16.09 | Light Rain | OVC008 | 13 | 0 | 0% | 76.99 | 1027.9 | 0.05 | 0.48 | |||||
| 22 | 15:56 | Vrbl 11 | 16.09 | Light Rain | BKN008 OVC015 | 13 | 0 | 0% | 76.99 | 1027.8 | 0.25 | ||||||
| 22 | 14:56 | Vrbl 7 | 9.66 | Light Rain | BKN008 OVC014 | 14 | 0 | 0% | 77.01 | 1028.0 | 0.18 | ||||||
| 22 | 13:56 | E 7 | 16.09 | Light Rain | BKN012 BKN017 OVC034 | 14 | 0 | 14.4 | 13.3 | 0% | 77.01 | 1027.9 | 0.03 | 0.2 | |||
| 22 | 12:56 | Calm | 6.44 | Light Rain | OVC008 | 14 | 0 | 0% | 77.04 | 1028.3 | 0.05 | ||||||
| 22 | 11:56 | Vrbl 7 | 4.02 | Light Rain | BKN008 OVC020 | 13 | 0 | 0% | 77.06 | 1028.7 | 0.13 | ||||||
| 22 | 10:56 | Calm | 9.66 | Light Rain | BKN012 BKN017 OVC025 | 14 | 0 | 0% | 77.01 | 1028.2 | |||||||
| 22 | 09:56 | Calm | 16.09 | Overcast | BKN013 OVC021 | 14 | 0 | 0% | 77.04 | 1028.2 | |||||||
| 22 | 08:56 | Calm | 14.48 | Light Rain | OVC036 | 14 | 0 | 0% | 76.99 | 1027.8 | |||||||
| 22 | 07:56 | Vrbl 6 | 9.66 | Light Rain | SCT007 BKN024 OVC036 | 13 | 0 | 13.3 | 12.2 | 0% | 76.96 | 1027.5 | 0.03 | 0.18 | |||
| 22 | 06:56 | NE 6 | 8.05 | Overcast with Haze | FEW009 BKN016 OVC036 | 13 | 0 | 0% | 76.94 | 1027.0 | |||||||
| 22 | 05:56 | Calm | 16.09 | Light Rain | FEW012 BKN036 OVC050 | 13 | 0 | 0% | 76.91 | 1026.6 | |||||||
| 22 | 04:56 | Calm | 16.09 | Overcast | OVC036 | 12 | 0 | 0% | 76.86 | 1026.1 | 0.15 | ||||||
| 22 | 03:56 | Vrbl 7 | 16.09 | Light Rain | OVC032 | 12 | 0 | 0% | 76.81 | 1025.5 | 0.05 | ||||||
| 22 | 02:56 | Vrbl 11 | 9.66 | Light Rain | BKN007 OVC019 | 12 | 0 | 0% | 76.84 | 1026.0 | 0.1 | ||||||
| 22 | 01:56 | Calm | 6.44 | Light Rain | OVC007 | 13 | 0 | 12.8 | 12.2 | 0% | 76.86 | 1026.1 | 0.08 | 0.18 | |||
| 22 | 00:56 | Calm | 8.05 | Light Rain | SCT009 BKN031 OVC110 | 13 | 0 | 0% | 76.89 | 1026.4 | 0.05 | ||||||
| 21 | 23:56 | Calm | 16.09 | Light Rain | SCT013 BKN055 BKN120 | 13 | 0 | 0% | 76.89 | 1026.5 | 0.03 | ||||||
| 21 | 22:56 | Calm | 16.09 | Overcast | OVC007 | 13 | 0 | 0% | 76.91 | 1026.5 | 0.03 | ||||||
| 21 | 21:56 | Calm | 16.09 | Light Rain | FEW015 BKN120 | 13 | 0 | 0% | 76.86 | 1025.9 | 0.03 | ||||||
| 21 | 20:56 | Calm | 16.09 | Light Rain | OVC006 | 13 | 0 | 0% | 76.86 | 1025.8 | |||||||
| 21 | 19:56 | Calm | 16.09 | Light Rain | OVC010 | 13 | 0 | 13.9 | 12.8 | 0% | 76.81 | 1025.3 | 0.05 | 0.08 | |||
| 21 | 18:56 | Calm | 16.09 | Light Rain | BKN010 OVC095 | 13 | 0 | 0% | 76.78 | 1024.9 | |||||||
| 21 | 17:56 | Calm | 16.09 | Light Rain | BKN010 OVC060 | 13.3 | 13.3 | 100% | 76.78 | 1025.2 | |||||||
| 21 | 16:56 | Calm | 16.09 | Light Rain | OVC049 | 13 | 0 | 0% | 76.76 | 1024.5 | 0.03 | ||||||
| 21 | 15:56 | Vrbl 11 | 16.09 | Light Rain | FEW009 OVC041 | 13.3 | 13.3 | 100% | 76.76 | 1024.7 | 0.03 | ||||||
| 21 | 14:56 | Vrbl 7 | 16.09 | Light Rain | OVC011 | 13.3 | 13.3 | 100% | 76.84 | 1025.7 | |||||||
| 21 | 13:56 | Vrbl 7 | 16.09 | Overcast | BKN011 OVC023 | 13.3 | 13.3 | 16.7 | 13.3 | 100% | 76.81 | 1025.2 | |||||
| 21 | 12:56 | Calm | 16.09 | Overcast | OVC011 | 14.4 | 14.4 | 100% | 76.76 | 1024.7 | |||||||
| 21 | 11:56 | Vrbl 7 | 16.09 | Overcast | OVC013 | 15 | 15 | 100% | 76.76 | 1024.6 | |||||||
| 21 | 10:56 | Vrbl 9 | 16.09 | Overcast | BKN017 OVC032 | 16.1 | 15 | 93% | 76.73 | 1024.2 | |||||||
| 21 | 09:56 | Vrbl 7 | 16.09 | Overcast | BKN012 OVC030 | 16 | 0 | 0% | 76.68 | 1023.4 | |||||||
| 21 | 08:56 | Calm | 16.09 | Overcast | OVC022 | 17 | 0 | 0% | 76.63 | 1022.9 | |||||||
| 21 | 07:56 | Calm | 16.09 | Overcast | OVC022 | 16 | 0 | 20 | 16.1 | 0% | 76.61 | 1022.4 | 0.03 | ||||
| 21 | 06:56 | Calm | 16.09 | Overcast | OVC022 | 17 | 0 | 0% | 76.58 | 1022.1 | |||||||
| 21 | 05:56 | Calm | 16.09 | Overcast | OVC020 | 17 | 0 | 0% | 76.53 | 1021.4 | |||||||
| 21 | 04:56 | Calm | 16.09 | Overcast | FEW007 OVC018 | 18 | 0 | 0% | 76.45 | 1020.2 | 0.03 | ||||||
| 21 | 03:56 | Calm | 11.27 | Mostly Cloudy | FEW017 SCT022 BKN075 | 19 | 0 | 0% | 76.43 | 1019.8 | |||||||
| 21 | 02:56 | Calm | 9.66 | Overcast with Haze | FEW003 BKN011 OVC014 | 20 | 0 | 0% | 76.43 | 1019.8 | 0.03 | ||||||
| 21 | 01:56 | Calm | 6.44 | Mostly Cloudy with Haze | BKN110 | 20 | 0 | 20.6 | 20 | 0% | 76.43 | 1019.9 | 0.1 | 0.64 | |||
| 21 | 00:56 | NW 6 | 12.87 | Light Rain | SCT085 BKN110 | 20 | 0 | 0% | 76.45 | 1020.3 | 0.03 | ||||||
| 20 | 23:56 | Calm | 11.27 | Mostly Cloudy | BKN095 BKN110 | 20 | 0 | 0% | 76.45 | 1019.9 | 0.03 | ||||||
| 20 | 22:56 | S 13 | 16.09 | Thunderstorm in Vicinity | OVC090 | 21 | 0 | 0% | 76.48 | 1020.4 | 0.08 | 0.48 | |||||
| 20 | 21:56 | NE 6 | 6.44 | Thunderstorm in Vicinity Rain | OVC110 | 21 | 0 | 0% | 76.43 | 1019.7 | 0.38 | ||||||
| 20 | 20:56 | W 13 | 16.09 | Thunderstorm in Vicinity Light Rain | BKN085 OVC110 | 21 | 0 | 0% | 76.4 | 1019.4 | 0.03 | ||||||
| 20 | 19:56 | Calm | 11.27 | Mostly Cloudy | SCT080 BKN110 | 21 | 0 | 35 | 20 | 0% | 76.28 | 1018.0 | 0.79 | ||||
| 20 | 18:56 | Calm | 11.27 | Light Rain | OVC100 | 21 | 0 | 0% | 76.25 | 1017.5 | 0.13 | ||||||
| 20 | 17:56 | Calm | 14.48 | Light Rain | FEW080 BKN110 | 21 | 0 | 0% | 76.28 | 1017.7 | 0.15 | ||||||
| 20 | 15:56 | NW 20 G 31 | 16.09 | Mostly Cloudy | BKN070 BKN080 | 31.7 | 17.8 | 43% | 32 | 76.2 | 1016.6 | ||||||
| 20 | 14:56 | W 15 G 26 | 16.09 | A Few Clouds | FEW075 | 33.9 | 18.9 | 41% | 36 | 76.17 | 1016.4 | ||||||
| 20 | 13:56 | W 17 | 16.09 | Mostly Cloudy | SCT060 BKN070 | 32.8 | 19.4 | 33.3 | 25 | 45% | 35 | 76.28 | 1017.7 | ||||
| 20 | 12:56 | NW 17 | 16.09 | Fair | CLR | 32.8 | 19.4 | 45% | 35 | 76.3 | 1018.0 | ||||||
| 20 | 11:56 | W 15 | 16.09 | Fair | CLR | 31.7 | 19.4 | 48% | 33 | 76.35 | 1018.8 | ||||||
| 20 | 10:56 | NW 15 | 16.09 | Fair | CLR | 30.6 | 19.4 | 51% | 32 | 76.38 | 1019.2 | ||||||
| 20 | 09:56 | W 15 | 16.09 | Fair | CLR | 29.4 | 18.3 | 51% | 30 | 76.4 | 1019.3 | ||||||
| 20 | 08:56 | W 11 | 16.09 | Fair | CLR | 27.8 | 18.3 | 56% | 29 | 76.38 | 1019.2 | ||||||
| 20 | 07:56 | W 6 | 16.09 | Fair | CLR | 25 | 19.4 | 25 | 18.9 | 71% | 26 | 76.38 | 1019.0 | ||||
| 20 | 05:56 | Calm | 16.09 | Fair | CLR | 19.4 | 19.4 | 100% | 76.35 | 1018.6 | |||||||
| 20 | 04:56 | Calm | 16.09 | Fair | CLR | 20 | 20 | 100% | 76.33 | 1018.5 | |||||||
| 20 | 03:56 | NW 6 | 16.09 | Fair | CLR | 20 | 0 | 0% | 76.33 | 1018.5 | |||||||
| 20 | 02:56 | Calm | 16.09 | Fair | CLR | 21.1 | 21.1 | 100% | 76.33 | 1018.5 | |||||||
| 20 | 01:56 | Calm | 16.09 | Fair | CLR | 20.6 | 20.6 | 28.3 | 20.6 | 100% | 76.35 | 1018.7 | |||||
| 20 | 00:56 | Calm | 16.09 | A Few Clouds | FEW100 | 21.1 | 21.1 | 100% | 76.4 | 1019.4 | |||||||
| 19 | 23:56 | Calm | 16.09 | Fair | CLR | 21.7 | 21.7 | 100% | 76.4 | 1019.3 | |||||||
| 19 | 22:56 | Calm | 16.09 | Fair | CLR | 22.2 | 21.1 | 94% | 76.4 | 1019.4 | |||||||
| 19 | 21:56 | Calm | 16.09 | Fair | CLR | 25 | 18.9 | 69% | 26 | 76.38 | 1019.2 | ||||||
| 19 | 20:56 | Calm | 16.09 | Fair | CLR | 25 | 18.3 | 66% | 26 | 76.38 | 1019.0 | ||||||
| 19 | 19:56 | Calm | 16.09 | Fair | CLR | 28.3 | 18.3 | 35.6 | 28.3 | 55% | 29 | 76.4 | 1019.5 | ||||
| 19 | 18:56 | NW 11 | 16.09 | Fair | CLR | 30.6 | 17.2 | 45% | 31 | 76.43 | 1019.6 | ||||||
| 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) | |||||||||||||||