Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 07 | 10:56 | Vrbl 11 G 35 | 16.09 | Fair | CLR | 12.8 | 2.8 | 51% | 76.15 | 1016.6 | |||||||
| 07 | 09:56 | NW 19 G 43 | 16.09 | Fair | CLR | 11.1 | 1.7 | 53% | 76.17 | 1017.0 | |||||||
| 07 | 08:56 | NW 22 G 39 | 16.09 | Fair | CLR | 10 | 2.2 | 59% | 7 | 76.17 | 1017.0 | ||||||
| 07 | 06:56 | NW 9 | 16.09 | Fair | CLR | 7.2 | 1.1 | 13.3 | 6.7 | 66% | 6 | 76.15 | 1016.6 | ||||
| 07 | 05:56 | NW 15 | 16.09 | Fair | CLR | 7.2 | 1.1 | 66% | 5 | 76.1 | 1016.1 | ||||||
| 07 | 04:56 | NW 13 | 16.09 | Fair | CLR | 7.8 | 0.6 | 61% | 6 | 76.1 | 1016.0 | ||||||
| 07 | 03:56 | NW 17 | 16.09 | Mostly Cloudy | BKN070 | 8.9 | 1.1 | 58% | 7 | 76.05 | 1015.3 | ||||||
| 07 | 02:56 | NW 22 G 31 | 16.09 | Overcast | OVC080 | 10 | 2.8 | 61% | 7 | 76.05 | 1015.2 | ||||||
| 07 | 01:56 | NW 19 G 30 | 16.09 | Overcast | OVC080 | 12.2 | 6.7 | 69% | 76.05 | 1015.2 | |||||||
| 07 | 00:56 | NW 15 | 16.09 | Overcast | BKN070 OVC080 | 13.3 | 7.8 | 15.6 | 12.8 | 70% | 76 | 1014.3 | |||||
| 06 | 22:56 | NW 11 | 16.09 | Overcast | OVC070 | 14.4 | 11.1 | 81% | 75.95 | 1013.9 | |||||||
| 06 | 21:56 | Calm | 16.09 | Mostly Cloudy | BKN065 | 12.8 | 12.8 | 100% | 75.97 | 1013.9 | |||||||
| 06 | 20:56 | W 7 | 16.09 | Mostly Cloudy | FEW039 BKN060 BKN090 | 13.3 | 13.3 | 100% | 75.97 | 1014.0 | |||||||
| 06 | 19:56 | Calm | 16.09 | Overcast | OVC065 | 15 | 14.4 | 96% | 75.95 | 1013.7 | |||||||
| 06 | 18:56 | Calm | 16.09 | Overcast | BKN070 OVC085 | 15.6 | 14.4 | 20.6 | 15 | 93% | 75.95 | 1013.7 | |||||
| 06 | 17:56 | S 7 | 16.09 | Fair | CLR | 15 | 14.4 | 96% | 75.92 | 1013.4 | |||||||
| 06 | 16:56 | S 9 | 16.09 | A Few Clouds | FEW014 | 16.1 | 15.6 | 97% | 75.87 | 1012.7 | |||||||
| 06 | 15:56 | SE 17 | 16.09 | Fair | CLR | 18.3 | 14.4 | 78% | 75.79 | 1011.6 | |||||||
| 06 | 14:56 | SE 7 | 16.09 | Partly Cloudy | SCT110 | 19.4 | 11.7 | 61% | 75.82 | 1011.9 | |||||||
| 06 | 13:56 | Calm | 16.09 | Fair | CLR | 20 | 8.9 | 49% | 75.84 | 1012.1 | |||||||
| 06 | 12:56 | Vrbl 9 | 16.09 | Fair | CLR | 20.6 | 8.3 | 22.2 | 16.1 | 45% | 75.9 | 1012.7 | |||||
| 06 | 11:56 | W 11 | 16.09 | Fair | CLR | 21.1 | 10 | 49% | 75.9 | 1012.9 | |||||||
| 06 | 10:56 | Calm | 16.09 | Overcast | FEW050 OVC095 | 18.3 | 12.2 | 68% | 75.92 | 1013.3 | |||||||
| 06 | 09:56 | Calm | 16.09 | Light Rain | BKN050 BKN060 OVC090 | 17.2 | 12.2 | 73% | 75.95 | 1013.7 | |||||||
| 06 | 08:56 | NW 7 | 16.09 | Overcast | BKN048 OVC075 | 17.2 | 11.7 | 70% | 75.95 | 1013.6 | |||||||
| 06 | 07:56 | NW 9 | 16.09 | Overcast | SCT050 OVC100 | 16.7 | 15 | 90% | 75.95 | 1013.7 | |||||||
| 06 | 06:56 | NW 6 | 16.09 | Overcast | OVC050 | 16.1 | 16.1 | 20 | 16.1 | 100% | 75.92 | 1013.1 | 0.13 | ||||
| 06 | 05:56 | NW 9 | 16.09 | Overcast | SCT033 OVC046 | 17.8 | 17.2 | 96% | 75.9 | 1013.0 | 0.1 | ||||||
| 06 | 04:56 | Calm | 4.83 | Fog/Mist | OVC004 | 18.9 | 18.9 | 100% | 75.87 | 1012.5 | 0.03 | ||||||
| 06 | 03:56 | Calm | 11.27 | Thunderstorm in Vicinity Light Rain | OVC006 | 19 | 0 | 0% | 75.82 | 1012.0 | |||||||
| 06 | 02:56 | Calm | 6.44 | Light Rain | OVC004 | 19 | 0 | 0% | 75.84 | 1012.0 | |||||||
| 06 | 01:56 | Calm | 14.48 | Overcast | OVC004 | 20 | 0 | 0% | 75.9 | 1012.8 | |||||||
| 06 | 00:56 | SW 6 | 16.09 | Overcast | OVC006 | 20 | 0 | 21.7 | 20 | 0% | 75.92 | 1013.3 | 0.36 | ||||
| 05 | 23:56 | W 11 | 16.09 | Overcast | OVC006 | 20 | 0 | 0% | 75.92 | 1013.1 | |||||||
| 05 | 22:56 | Calm | 16.09 | Overcast | OVC006 | 20 | 0 | 0% | 75.92 | 1013.3 | |||||||
| 05 | 21:56 | S 7 | 16.09 | Overcast | SCT008 BKN019 OVC075 | 20 | 0 | 0% | 75.92 | 1013.2 | 0.1 | 0.36 | |||||
| 05 | 20:54 | SW 11 | 16.09 | Light Rain | SCT010 BKN014 OVC047 | 20 | 0 | 0% | 75.95 | 1013.3 | 0.25 | ||||||
| 05 | 19:56 | S 13 | 14.48 | Light Rain | BKN015 OVC021 | 21.1 | 21.1 | 100% | 75.95 | 1013.3 | |||||||
| 05 | 18:56 | S 11 | 16.09 | Overcast | BKN014 OVC049 | 21.1 | 20.6 | 23.9 | 21.1 | 97% | 75.92 | 1013.2 | |||||
| 05 | 17:56 | S 15 | 16.09 | Overcast | BKN014 OVC032 | 21.1 | 20.6 | 97% | 75.92 | 1013.1 | |||||||
| 05 | 16:56 | S 15 | 16.09 | Overcast | BKN014 BKN019 OVC048 | 21.1 | 20.6 | 97% | 75.87 | 1012.5 | |||||||
| 05 | 15:56 | S 17 | 16.09 | Overcast | BKN018 BKN023 OVC034 | 22.2 | 20 | 87% | 75.87 | 1012.4 | |||||||
| 05 | 14:56 | S 19 G 26 | 16.09 | Overcast | BKN021 OVC026 | 22.8 | 19.4 | 81% | 75.87 | 1012.4 | |||||||
| 05 | 13:56 | S 19 | 16.09 | Overcast | BKN025 OVC036 | 23.3 | 18.9 | 76% | 75.87 | 1012.5 | |||||||
| 05 | 12:56 | S 13 | 16.09 | Overcast | BKN021 OVC028 | 23.3 | 18.9 | 76% | 75.92 | 1013.1 | |||||||
| 05 | 11:56 | S 15 | 16.09 | Overcast | OVC020 | 21.7 | 19.4 | 87% | 75.97 | 1013.9 | |||||||
| 05 | 10:56 | S 15 | 16.09 | Overcast | OVC018 | 21.7 | 20 | 90% | 76.02 | 1014.6 | |||||||
| 05 | 09:56 | S 9 | 16.09 | Overcast | OVC012 | 20 | 20 | 100% | 76.05 | 1014.9 | |||||||
| 05 | 08:56 | S 7 | 16.09 | Overcast | OVC008 | 19.4 | 19.4 | 100% | 76.07 | 1015.3 | |||||||
| 05 | 07:56 | S 17 | 16.09 | NULL | NULL | 18.9 | 18.9 | 100% | 76.05 | 1014.8 | |||||||
| 05 | 05:56 | S 11 | 16.09 | Light Rain | OVC013 | 18 | 0 | 0% | 76.02 | 1014.5 | |||||||
| 05 | 04:56 | S 11 | 16.09 | Light Rain | OVC011 | 18.3 | 18.3 | 100% | 76.02 | 1014.7 | |||||||
| 05 | 03:56 | SE 11 | 16.09 | Overcast | OVC013 | 18 | 0 | 0% | 76.05 | 1014.7 | 0.03 | 0.05 | |||||
| 05 | 02:56 | S 13 | 16.09 | Light Rain | BKN031 OVC047 | 17.8 | 17.8 | 100% | 76.1 | 1015.4 | |||||||
| 05 | 01:56 | SE 11 | 16.09 | Light Rain | FEW028 BKN037 OVC049 | 17.8 | 17.8 | 100% | 76.12 | 1015.8 | 0.03 | ||||||
| 05 | 00:56 | S 13 | 16.09 | Rain | BKN029 OVC043 | 17.8 | 17.8 | 19.4 | 17.2 | 100% | 76.12 | 1016.1 | 0.05 | 0.05 | |||
| 04 | 23:56 | SE 11 | 16.09 | Overcast | BKN037 OVC110 | 17.8 | 17.8 | 100% | 76.17 | 1016.7 | |||||||
| 04 | 22:56 | S 9 | 16.09 | Mostly Cloudy | FEW025 BKN120 | 17.8 | 17.2 | 96% | 76.2 | 1016.9 | |||||||
| 04 | 21:56 | SE 15 | 16.09 | Partly Cloudy | SCT019 | 17.8 | 16.1 | 90% | 76.23 | 1017.3 | |||||||
| 04 | 20:56 | SE 15 | 16.09 | Fair | CLR | 17.8 | 16.7 | 93% | 76.25 | 1017.7 | |||||||
| 04 | 19:56 | SE 11 | 16.09 | Fair | CLR | 18.3 | 16.7 | 90% | 76.28 | 1018.2 | |||||||
| 04 | 18:56 | S 11 | 16.09 | Fair | CLR | 19.4 | 16.1 | 24.4 | 18.3 | 81% | 76.33 | 1018.7 | |||||
| 04 | 17:56 | S 11 | 16.09 | Fair | CLR | 18.9 | 15 | 78% | 76.35 | 1019.2 | |||||||
| 04 | 16:56 | SE 13 | 16.09 | Fair | CLR | 20 | 13.9 | 68% | 76.33 | 1018.8 | |||||||
| 04 | 15:56 | SE 17 | 16.09 | Fair | CLR | 22.2 | 12.8 | 55% | 76.33 | 1018.9 | |||||||
| 04 | 14:56 | S 20 | 16.09 | Fair | CLR | 23.3 | 11.1 | 46% | 76.38 | 1019.3 | |||||||
| 04 | 13:56 | S 20 G 31 | 16.09 | Fair | CLR | 23.9 | 10 | 42% | 25 | 76.4 | 1019.8 | ||||||
| 04 | 12:56 | S 15 | 16.09 | Fair | CLR | 23.9 | 12.8 | 23.9 | 11.1 | 50% | 25 | 76.45 | 1020.4 | ||||
| 04 | 11:56 | S 17 | 16.09 | Fair | CLR | 23.9 | 14.4 | 55% | 25 | 76.53 | 1021.2 | ||||||
| Date | Time (est) | 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) | |||||||||||||||