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. | ||||||||||||||||
| 09 | 16:56 | SW 7 | 10.00 | Fair | CLR | 75 | 41 | 29% | 77 | 29.98 | 1016.5 | ||||||
| 09 | 15:56 | SW 10 G 16 | 10.00 | Fair | CLR | 75 | 41 | 29% | 77 | 29.99 | 1017.0 | ||||||
| 09 | 14:56 | SW 9 | 10.00 | Fair | CLR | 75 | 42.1 | 31% | 77 | 30 | 1017.1 | ||||||
| 09 | 13:56 | S 9 G 17 | 10.00 | Fair | CLR | 73.9 | 39 | 73.9 | 39.9 | 28% | 30.02 | 1017.7 | |||||
| 09 | 12:56 | S 12 | 10.00 | Fair | CLR | 73 | 39 | 29% | 30.06 | 1019.2 | |||||||
| 09 | 11:56 | Vrbl 5 | 10.00 | Fair | CLR | 70 | 39 | 32% | 30.09 | 1020.0 | |||||||
| 09 | 10:56 | Vrbl 3 | 10.00 | Fair | CLR | 66 | 39 | 37% | 30.1 | 1020.5 | |||||||
| 09 | 09:56 | W 3 | 10.00 | Fair | CLR | 57.9 | 39 | 50% | 30.12 | 1021.3 | |||||||
| 09 | 07:56 | Calm | 10.00 | Fair | CLR | 39.9 | 37.9 | 51.1 | 39.9 | 93% | 30.07 | 1019.7 | |||||
| 09 | 06:56 | Calm | 10.00 | Fair | CLR | 41 | 37 | 86% | 30.04 | 1018.7 | |||||||
| 09 | 05:56 | SE 3 | 10.00 | Fair | CLR | 43 | 36 | 76% | 30.02 | 1017.8 | |||||||
| 09 | 04:56 | Calm | 10.00 | Fair | CLR | 43 | 35.1 | 74% | 30 | 1017.2 | |||||||
| 09 | 03:56 | Calm | 10.00 | Fair | CLR | 46 | 35.1 | 66% | 29.99 | 1016.8 | |||||||
| 09 | 02:56 | Calm | 10.00 | Fair | CLR | 46 | 36 | 68% | 30 | 1017.1 | |||||||
| 09 | 01:56 | Calm | 10.00 | Fair | CLR | 48 | 34 | 63 | 45 | 58% | 30.01 | 1017.4 | |||||
| 09 | 00:56 | Calm | 10.00 | Fair | CLR | 48.9 | 34 | 56% | 30 | 1017.2 | |||||||
| 08 | 23:56 | Calm | 10.00 | Fair | CLR | 48 | 37.9 | 68% | 30 | 1017.1 | |||||||
| 08 | 22:56 | Calm | 10.00 | Fair | CLR | 50 | 37.9 | 63% | 29.99 | 1016.8 | |||||||
| 08 | 21:56 | SE 6 | 10.00 | Fair | CLR | 52 | 39.9 | 64% | 29.97 | 1016.1 | |||||||
| 08 | 20:56 | Calm | 10.00 | Fair | CLR | 54 | 44.1 | 69% | 29.94 | 1015.2 | |||||||
| 08 | 19:56 | NW 6 | 10.00 | Fair | CLR | 62.1 | 41 | 72 | 62.1 | 46% | 29.93 | 1014.7 | |||||
| 08 | 18:56 | NW 7 | 10.00 | Fair | CLR | 66.9 | 45 | 45% | 29.91 | 1014.0 | |||||||
| 08 | 17:56 | W 10 | 10.00 | Fair | CLR | 69.1 | 45 | 42% | 29.88 | 1013.1 | |||||||
| 08 | 16:56 | W 12 | 10.00 | A Few Clouds | FEW060 | 71.1 | 46 | 41% | 29.87 | 1012.9 | |||||||
| 08 | 15:56 | W 16 | 10.00 | Fair | CLR | 71.1 | 48.9 | 46% | 29.86 | 1012.5 | |||||||
| 08 | 14:56 | W 15 | 10.00 | A Few Clouds | FEW060 | 71.1 | 54 | 55% | 29.85 | 1012.1 | |||||||
| 08 | 13:56 | W 7 | 10.00 | Mostly Cloudy | SCT045 BKN055 | 70 | 55 | 70 | 55.9 | 59% | 29.85 | 1012.2 | |||||
| 08 | 12:56 | W 8 | 10.00 | Mostly Cloudy | BKN037 | 70 | 55.9 | 61% | 29.87 | 1012.6 | |||||||
| 08 | 11:56 | SW 6 | 10.00 | A Few Clouds | FEW047 | 70 | 57.9 | 66% | 29.88 | 1013.2 | |||||||
| 08 | 10:56 | W 6 | 10.00 | A Few Clouds | FEW044 | 66.9 | 59 | 76% | 29.89 | 1013.3 | |||||||
| 08 | 09:56 | Calm | 10.00 | Fair | CLR | 62.6 | 0 | 0% | 29.88 | 1012.9 | |||||||
| 08 | 08:56 | Calm | 9.00 | Overcast | SCT060 OVC095 | 57.2 | 0 | 0% | 29.88 | 1012.9 | |||||||
| 08 | 07:56 | Calm | 1.75 | Fog/Mist | OVC100 | 55.4 | 0 | 59 | 51.1 | 0% | 29.86 | 1012.4 | |||||
| 08 | 06:56 | Calm | 6.00 | Overcast with Haze | BKN090 OVC100 | 55.4 | 0 | 0% | 29.85 | 1011.9 | |||||||
| 08 | 05:56 | SW 3 | 6.00 | Overcast with Haze | OVC080 | 55.4 | 0 | 0% | 29.85 | 1012.2 | |||||||
| 08 | 04:56 | Calm | 3.00 | Fog/Mist | SCT095 | 53.6 | 0 | 0% | 29.83 | 1011.5 | |||||||
| 08 | 03:56 | Calm | 1.50 | Fog/Mist | CLR | 53.6 | 0 | 0% | 29.82 | 1011.3 | |||||||
| 08 | 01:56 | SE 3 | 2.00 | Fog/Mist | CLR | 53.6 | 0 | 0% | 29.84 | 1011.9 | |||||||
| 08 | 00:56 | SE 5 | 7.00 | Partly Cloudy | SCT080 | 53.6 | 0 | 59 | 53.1 | 0% | 29.86 | 1012.5 | 0.02 | ||||
| 07 | 23:56 | SE 3 | 6.00 | Light Rain | BKN110 | 53.6 | 0 | 0% | 29.88 | 1013.4 | 0.02 | ||||||
| 07 | 22:56 | E 3 | 8.00 | Mostly Cloudy | SCT032 SCT045 BKN055 | 53.6 | 0 | 0% | 29.92 | 1014.6 | |||||||
| 07 | 21:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 29.91 | 1014.4 | |||||||
| 07 | 20:56 | SE 6 | 10.00 | Fair | CLR | 59 | 59 | 100% | 29.88 | 1013.4 | |||||||
| 07 | 19:56 | SE 7 | 10.00 | Fair | CLR | 57.9 | 57.9 | 100% | 29.9 | 1013.8 | |||||||
| 07 | 18:56 | SE 7 | 10.00 | Fair | CLR | 57.9 | 57.9 | 59 | 48.9 | 100% | 29.93 | 1014.8 | |||||
| 07 | 17:56 | SE 7 | 10.00 | Fair | CLR | 57.9 | 55 | 90% | 29.95 | 1015.4 | |||||||
| 07 | 16:56 | SE 7 | 10.00 | Fair | CLR | 57 | 54 | 90% | 29.96 | 1016.0 | |||||||
| 07 | 15:56 | SE 8 | 9.00 | Overcast | OVC008 | 53.1 | 53.1 | 100% | 29.98 | 1016.8 | |||||||
| 07 | 14:56 | SE 9 | 7.00 | Overcast | OVC006 | 52 | 52 | 100% | 30.03 | 1018.4 | |||||||
| 07 | 13:56 | SE 6 | 7.00 | Overcast | OVC006 | 50 | 50 | 100% | 48 | 30.07 | 1019.7 | ||||||
| 07 | 12:56 | SE 7 | 5.00 | Overcast with Haze | OVC004 | 48.2 | 0 | 48.9 | 39.9 | 0% | 46 | 30.11 | 1021.3 | ||||
| 07 | 11:56 | SE 6 | 5.00 | Overcast with Haze | OVC004 | 46.4 | 0 | 0% | 44 | 30.15 | 1022.7 | ||||||
| 07 | 10:56 | S 8 | 6.00 | Overcast with Haze | OVC004 | 44.6 | 0 | 0% | 41 | 30.18 | 1023.5 | ||||||
| 07 | 09:56 | S 8 | 0.75 | Fog/Mist | OVC002 | 44.6 | 0 | 0% | 41 | 30.19 | 1024.1 | ||||||
| 07 | 08:56 | SE 7 | 0.25 | Fog | OVC002 | 42.8 | 0 | 0% | 39 | 30.23 | 1025.3 | ||||||
| 07 | 07:56 | SE 7 | 0.50 | Fog | OVC002 | 39.2 | 0 | 0% | 35 | 30.24 | 1025.9 | ||||||
| 07 | 06:56 | SE 7 | 0.50 | Fog | OVC002 | 39.2 | 0 | 41 | 39 | 0% | 35 | 30.25 | 1026.1 | ||||
| 07 | 05:56 | SE 7 | 1.00 | Fog/Mist | OVC002 | 39.2 | 0 | 0% | 35 | 30.26 | 1026.4 | ||||||
| 07 | 04:56 | SE 8 | 1.50 | Fog/Mist | OVC002 | 39.2 | 0 | 0% | 34 | 30.26 | 1026.3 | ||||||
| 07 | 03:56 | E 5 | 1.75 | Fog/Mist | OVC002 | 39.2 | 0 | 0% | 36 | 30.29 | 1027.2 | ||||||
| 07 | 02:56 | SE 7 | 1.75 | Fog/Mist | OVC002 | 39.2 | 0 | 0% | 35 | 30.3 | 1027.6 | ||||||
| 07 | 01:56 | SE 7 | 2.50 | Fog/Mist | OVC002 | 41 | 0 | 0% | 37 | 30.31 | 1028.2 | ||||||
| 07 | 00:56 | SE 6 | 3.00 | Fog/Mist | OVC004 | 42.8 | 0 | 44.1 | 42.1 | 0% | 40 | 30.33 | 1028.9 | ||||
| 06 | 23:56 | SE 6 | 5.00 | Overcast with Haze | OVC004 | 42.8 | 0 | 0% | 40 | 30.34 | 1029.1 | ||||||
| 06 | 22:56 | SE 8 | 5.00 | Overcast with Haze | OVC004 | 42.8 | 0 | 0% | 39 | 30.35 | 1029.4 | ||||||
| 06 | 21:56 | E 5 | 2.50 | Fog/Mist | OVC002 | 42.8 | 0 | 0% | 41 | 30.37 | 1030.1 | ||||||
| 06 | 20:56 | E 5 | 1.50 | Fog/Mist | OVC002 | 42.8 | 0 | 0% | 41 | 30.36 | 1029.9 | ||||||
| 06 | 19:56 | E 5 | 1.00 | Fog/Mist | OVC002 | 42.8 | 0 | 0% | 41 | 30.35 | 1029.5 | ||||||
| 06 | 18:56 | E 5 | 1.75 | Fog/Mist | OVC004 | 44.6 | 0 | 48 | 44.1 | 0% | 43 | 30.34 | 1029.1 | ||||
| 06 | 17:56 | E 7 | 3.00 | Fog/Mist | OVC004 | 44.6 | 0 | 0% | 41 | 30.33 | 1028.8 | ||||||
| 06 | 16:56 | E 6 | 5.00 | Overcast with Haze | OVC006 | 46.4 | 0 | 0% | 44 | 30.31 | 1028.1 | ||||||
| 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) | |||||||||||||||