Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
| Date | Time (est) | 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. | ||||||||||||||||
| 09 | 11:56 | SE 9 | 10.00 | Overcast | OVC008 | 61 | 61 | 100% | 29.73 | 1007.9 | |||||||
| 09 | 10:56 | SE 6 | 10.00 | Overcast | OVC006 | 57 | 57 | 100% | 29.75 | 1008.8 | |||||||
| 09 | 09:56 | SE 6 | 10.00 | Overcast | OVC008 | 55 | 55 | 100% | 29.78 | 1009.8 | 0.02 | ||||||
| 09 | 08:56 | SE 3 | 10.00 | Overcast | OVC010 | 53.6 | 0 | 0% | 29.8 | 1010.5 | |||||||
| 09 | 07:56 | Calm | 9.00 | Overcast | BKN014 OVC043 | 53.6 | 0 | 0% | 29.81 | 1010.8 | 0.02 | ||||||
| 09 | 06:56 | SE 6 | 10.00 | Rain | OVC060 | 50 | 0 | 50 | 44.1 | 0% | 48 | 29.83 | 1011.5 | ||||
| 09 | 05:56 | Calm | 9.00 | Overcast | OVC065 | 46.4 | 0 | 0% | 29.82 | 1011.3 | |||||||
| 09 | 04:56 | Calm | 10.00 | Partly Cloudy | SCT070 | 46.4 | 0 | 0% | 29.82 | 1011.1 | |||||||
| 09 | 03:56 | Calm | 10.00 | A Few Clouds | FEW080 | 46.4 | 0 | 0% | 29.84 | 1011.6 | |||||||
| 09 | 02:56 | Calm | 10.00 | Fair | CLR | 44.6 | 0 | 0% | 29.84 | 1011.9 | |||||||
| 09 | 01:56 | Calm | 10.00 | Fair | CLR | 48 | 48 | 100% | 29.85 | 1012.1 | |||||||
| 09 | 00:56 | Calm | 10.00 | Fair | CLR | 48.9 | 48.9 | 57 | 48.9 | 100% | 29.86 | 1012.4 | |||||
| 08 | 23:56 | SE 5 | 10.00 | Fair | CLR | 53.1 | 50 | 89% | 29.86 | 1012.4 | |||||||
| 08 | 22:56 | SE 6 | 10.00 | Fair | CLR | 54 | 48 | 80% | 29.87 | 1012.7 | |||||||
| 08 | 21:56 | SE 6 | 10.00 | Fair | CLR | 55 | 45 | 69% | 29.86 | 1012.4 | |||||||
| 08 | 20:56 | SE 7 | 10.00 | Mostly Cloudy | BKN085 | 55 | 44.1 | 67% | 29.86 | 1012.3 | |||||||
| 08 | 19:56 | SE 6 | 10.00 | Fair | CLR | 55.9 | 44.1 | 65% | 29.85 | 1012.3 | |||||||
| 08 | 18:56 | SE 3 | 10.00 | Fair | CLR | 57 | 43 | 69.1 | 57 | 60% | 29.86 | 1012.5 | |||||
| 08 | 17:56 | SE 6 | 10.00 | Fair | CLR | 61 | 43 | 52% | 29.85 | 1012.0 | |||||||
| 08 | 16:56 | S 3 | 10.00 | Fair | CLR | 63 | 43 | 48% | 29.83 | 1011.1 | |||||||
| 08 | 15:56 | Calm | 10.00 | Fair | CLR | 66 | 44.1 | 45% | 29.82 | 1011.2 | |||||||
| 08 | 14:56 | Vrbl 5 | 10.00 | Fair | CLR | 68 | 43 | 40% | 29.81 | 1010.5 | |||||||
| 08 | 13:56 | Vrbl 6 | 10.00 | Fair | CLR | 68 | 43 | 40% | 29.81 | 1010.7 | |||||||
| 08 | 12:56 | SW 7 | 10.00 | Fair | CLR | 66.9 | 44.1 | 68 | 48.9 | 44% | 29.82 | 1011.0 | |||||
| 08 | 11:56 | W 6 | 10.00 | Fair | CLR | 66 | 45 | 47% | 29.83 | 1011.4 | |||||||
| 08 | 10:56 | W 8 | 10.00 | Fair | CLR | 64.9 | 48.9 | 56% | 29.84 | 1011.7 | |||||||
| 08 | 09:56 | W 8 | 10.00 | Fair | CLR | 62.1 | 51.1 | 67% | 29.84 | 1011.6 | |||||||
| 08 | 08:56 | W 6 | 10.00 | Fair | CLR | 57.2 | 0 | 0% | 29.83 | 1011.2 | |||||||
| 08 | 07:56 | NW 3 | 2.00 | Fog/Mist | CLR | 51.8 | 0 | 0% | 29.81 | 1010.7 | |||||||
| 08 | 06:56 | NW 3 | 0.15 | Fog | OVC002 | 50 | 0 | 55 | 50 | 0% | 29.78 | 1009.7 | 0.02 | ||||
| 08 | 05:53 | Calm | 0.50 | Fog | CLR | 51.8 | 0 | 0% | 29.75 | 1008.6 | |||||||
| 08 | 04:56 | W 3 | 9.00 | Overcast | BKN065 OVC090 | 53.6 | 0 | 0% | 29.72 | 1007.5 | |||||||
| 08 | 03:56 | SW 5 | 10.00 | Overcast | OVC040 | 55.4 | 0 | 0% | 29.71 | 1007.1 | 0.02 | ||||||
| 08 | 02:56 | W 6 | 10.00 | Mostly Cloudy | FEW043 SCT065 BKN120 | 55.4 | 0 | 0% | 29.69 | 1006.7 | |||||||
| 08 | 01:56 | S 5 | 10.00 | Light Rain | BKN090 OVC100 | 55.4 | 0 | 0% | 29.69 | 1006.5 | 0.02 | ||||||
| 08 | 00:56 | S 3 | 10.00 | Light Rain | FEW075 OVC095 | 55.4 | 0 | 61 | 54 | 0% | 29.71 | 1007.2 | 0.04 | 0.18 | |||
| 07 | 23:56 | S 7 | 10.00 | Rain | OVC090 | 55.4 | 0 | 0% | 29.7 | 1007.1 | 0.11 | ||||||
| 07 | 22:56 | SW 3 | 8.00 | Rain | OVC085 | 55 | 55 | 100% | 29.72 | 1007.7 | 0.03 | ||||||
| 07 | 21:56 | S 6 | 10.00 | Light Rain | FEW080 BKN100 BKN120 | 59 | 48 | 67% | 29.72 | 1007.8 | |||||||
| 07 | 20:56 | S 6 | 10.00 | Mostly Cloudy | BKN080 BKN090 | 60.1 | 45 | 58% | 29.72 | 1007.8 | |||||||
| 07 | 19:56 | S 6 | 10.00 | Overcast | OVC080 | 60.1 | 44.1 | 56% | 29.73 | 1008.2 | |||||||
| 07 | 18:56 | S 9 | 10.00 | Partly Cloudy | SCT085 | 61 | 44.1 | 62.1 | 59 | 54% | 29.74 | 1008.5 | |||||
| 07 | 17:56 | S 9 | 10.00 | Fair | CLR | 61 | 42.1 | 50% | 29.73 | 1008.3 | |||||||
| 07 | 16:56 | S 9 | 10.00 | Fair | CLR | 61 | 41 | 48% | 29.75 | 1008.9 | |||||||
| 07 | 15:56 | S 12 G 18 | 10.00 | Fair | CLR | 61 | 39.9 | 46% | 29.76 | 1009.3 | |||||||
| 07 | 14:56 | S 13 G 20 | 10.00 | Fair | CLR | 61 | 39 | 44% | 29.8 | 1010.5 | |||||||
| 07 | 13:56 | S 13 G 20 | 10.00 | Fair | CLR | 60.1 | 37 | 42% | 29.83 | 1011.7 | |||||||
| 07 | 12:56 | S 15 G 22 | 10.00 | Mostly Cloudy | BKN075 | 59 | 35.1 | 60.1 | 39 | 41% | 29.88 | 1013.3 | |||||
| 07 | 11:56 | S 15 G 25 | 10.00 | Partly Cloudy | SCT075 | 59 | 34 | 39% | 29.93 | 1015.0 | |||||||
| 07 | 10:56 | S 16 | 10.00 | Fair | CLR | 59 | 30.9 | 35% | 29.98 | 1016.7 | |||||||
| 07 | 09:56 | S 12 | 10.00 | A Few Clouds | FEW031 | 55 | 28.9 | 37% | 30.01 | 1017.8 | |||||||
| 07 | 08:56 | S 12 G 17 | 10.00 | A Few Clouds | FEW035 | 51.1 | 28.9 | 43% | 30.04 | 1019.0 | |||||||
| 07 | 07:56 | S 7 | 10.00 | Fair | CLR | 44.1 | 32 | 63% | 41 | 30.06 | 1019.6 | ||||||
| 07 | 06:56 | SE 6 | 10.00 | Fair | CLR | 39 | 30 | 39 | 30 | 70% | 35 | 30.07 | 1019.9 | ||||
| 07 | 05:56 | SE 6 | 10.00 | Fair | CLR | 39 | 30.9 | 73% | 35 | 30.08 | 1020.1 | ||||||
| 07 | 04:56 | SE 7 | 10.00 | Fair | CLR | 37 | 30.9 | 79% | 32 | 30.09 | 1020.6 | ||||||
| 07 | 03:56 | SE 5 | 10.00 | Fair | CLR | 33.1 | 28.9 | 85% | 29 | 30.1 | 1021.1 | ||||||
| 07 | 02:56 | Calm | 10.00 | Fair | CLR | 32 | 28 | 85% | 30.12 | 1021.6 | |||||||
| 07 | 01:56 | Calm | 10.00 | Fair | CLR | 30 | 27 | 88% | 30.14 | 1022.2 | |||||||
| 07 | 00:56 | Calm | 10.00 | Fair | CLR | 30.9 | 28.9 | 44.1 | 30.9 | 92% | 30.15 | 1022.8 | |||||
| 06 | 23:56 | Calm | 10.00 | Fair | CLR | 35.1 | 28 | 76% | 30.17 | 1023.2 | |||||||
| 06 | 22:56 | Calm | 10.00 | Fair | CLR | 36 | 30 | 79% | 30.18 | 1023.6 | |||||||
| 06 | 21:56 | Calm | 10.00 | Fair | CLR | 37.9 | 28 | 68% | 30.19 | 1023.8 | |||||||
| 06 | 20:56 | Calm | 10.00 | Fair | CLR | 37.9 | 28.9 | 70% | 30.18 | 1023.8 | |||||||
| 06 | 19:56 | Calm | 10.00 | Fair | CLR | 39.9 | 28.9 | 65% | 30.18 | 1023.6 | |||||||
| 06 | 18:56 | Calm | 10.00 | Fair | CLR | 44.1 | 25 | 57 | 44.1 | 47% | 30.17 | 1023.3 | |||||
| 06 | 17:56 | NW 3 | 10.00 | Fair | CLR | 48 | 24.1 | 39% | 30.16 | 1022.7 | |||||||
| 06 | 16:56 | Vrbl 3 | 10.00 | Fair | CLR | 53.1 | 23 | 31% | 30.15 | 1022.6 | |||||||
| 06 | 15:56 | W 9 | 10.00 | Fair | CLR | 55.9 | 24.1 | 29% | 30.15 | 1022.4 | |||||||
| 06 | 14:56 | NW 16 G 24 | 10.00 | Fair | CLR | 55.9 | 23 | 28% | 30.14 | 1022.1 | |||||||
| 06 | 13:56 | W 18 G 24 | 10.00 | Fair | CLR | 57 | 24.1 | 28% | 30.14 | 1022.2 | |||||||
| 06 | 12:56 | NW 13 G 21 | 10.00 | Fair | CLR | 55.9 | 25 | 57 | 41 | 30% | 30.16 | 1022.6 | |||||
| Date | Time (est) | 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) | |||||||||||||||