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. | ||||||||||||||||
| 26 | 15:56 | Calm | 16.09 | Light Rain | SCT035 BKN043 OVC055 | 5.6 | 4.4 | 92% | 75.87 | 1013.4 | |||||||
| 26 | 14:56 | Vrbl 6 | 16.09 | Overcast | FEW045 OVC065 | 7.2 | 0.6 | 63% | 75.87 | 1013.3 | |||||||
| 26 | 13:56 | Vrbl 6 | 16.09 | Overcast | BKN055 BKN070 OVC085 | 9.4 | -2.2 | 44% | 75.87 | 1013.1 | |||||||
| 26 | 12:56 | Vrbl 7 | 16.09 | Partly Cloudy | FEW090 SCT100 | 10.6 | -1.1 | 11.1 | 1.7 | 45% | 75.9 | 1013.4 | |||||
| 26 | 10:56 | Calm | 16.09 | Mostly Cloudy | BKN100 | 9.4 | -1.7 | 46% | 75.97 | 1014.4 | |||||||
| 26 | 09:56 | Vrbl 6 | 16.09 | Fair | CLR | 8.3 | -2.2 | 48% | 75.92 | 1013.9 | |||||||
| 26 | 08:56 | E 6 | 16.09 | Fair | CLR | 6.1 | 0 | 65% | 75.95 | 1014.2 | |||||||
| 26 | 07:56 | SE 6 | 16.09 | Fair | CLR | 3.9 | -2.2 | 65% | 75.9 | 1013.6 | |||||||
| 26 | 06:56 | Calm | 16.09 | Fair | CLR | 2.8 | -2.2 | 3.3 | 1.1 | 70% | 75.84 | 1012.7 | |||||
| 26 | 05:56 | Calm | 16.09 | Fair | CLR | 2.8 | -1.1 | 76% | 75.79 | 1012.1 | |||||||
| 26 | 04:56 | Calm | 16.09 | Fair | CLR | 2.8 | -0.6 | 79% | 75.77 | 1011.6 | |||||||
| 26 | 03:56 | Calm | 16.09 | Fair | CLR | 1.7 | 0.6 | 93% | 75.69 | 1010.8 | |||||||
| 26 | 02:56 | Calm | 16.09 | Fair | CLR | 1.1 | 0.6 | 97% | 75.67 | 1010.5 | |||||||
| 26 | 01:56 | Calm | 16.09 | Fair | CLR | 2.2 | 0.6 | 89% | 75.67 | 1010.5 | |||||||
| 26 | 00:56 | Calm | 16.09 | Fair | CLR | 3.3 | 0 | 10 | 2.8 | 79% | 75.62 | 1009.8 | |||||
| 25 | 23:56 | SW 9 | 16.09 | A Few Clouds | FEW070 | 6.7 | 0 | 63% | 5 | 75.59 | 1009.3 | ||||||
| 25 | 22:56 | SW 6 | 16.09 | A Few Clouds | FEW085 | 6.1 | -0.6 | 63% | 75.57 | 1009.1 | |||||||
| 25 | 21:56 | SW 11 | 16.09 | Mostly Cloudy | BKN090 | 4.4 | 0.6 | 77% | 2 | 75.57 | 1009.1 | ||||||
| 25 | 20:56 | Calm | 16.09 | Partly Cloudy | SCT080 | 4.4 | -0.6 | 70% | 75.51 | 1008.4 | |||||||
| 25 | 19:56 | Calm | 16.09 | Fair | CLR | 6.7 | -0.6 | 60% | 75.46 | 1007.9 | |||||||
| 25 | 18:56 | W 13 | 16.09 | Fair | CLR | 10 | -0.6 | 11.1 | 8.9 | 48% | 8 | 75.44 | 1007.5 | ||||
| 25 | 17:56 | Vrbl 6 | 16.09 | Fair | CLR | 10.6 | 0 | 48% | 75.34 | 1006.1 | |||||||
| 25 | 16:56 | SW 7 | 16.09 | Mostly Cloudy | BKN060 BKN080 | 10.6 | 0 | 48% | 75.29 | 1005.4 | |||||||
| 25 | 15:56 | SW 15 | 16.09 | Overcast | OVC060 | 10 | -0.6 | 48% | 8 | 75.26 | 1005.0 | ||||||
| 25 | 14:56 | S 11 | 16.09 | Overcast | OVC055 | 10.6 | -1.1 | 45% | 75.26 | 1005.0 | |||||||
| 25 | 13:56 | SW 13 | 16.09 | Overcast | OVC055 | 10 | -1.7 | 44% | 8 | 75.26 | 1005.0 | ||||||
| 25 | 12:56 | S 19 | 16.09 | Fair | CLR | 10 | -3.3 | 10 | 1.7 | 39% | 8 | 75.34 | 1005.9 | ||||
| 25 | 11:56 | S 13 | 16.09 | Mostly Cloudy | FEW075 BKN100 BKN110 | 7.8 | -3.9 | 44% | 6 | 75.41 | 1007.0 | ||||||
| 25 | 10:56 | SW 13 | 16.09 | Overcast | OVC060 | 7.2 | -5 | 42% | 5 | 75.44 | 1007.5 | ||||||
| 25 | 09:56 | SW 13 | 16.09 | Overcast | OVC060 | 5 | -6.1 | 45% | 2 | 75.49 | 1008.1 | ||||||
| 25 | 08:56 | SW 9 | 16.09 | Overcast | OVC065 | 3.3 | -6.1 | 51% | 1 | 75.46 | 1007.8 | ||||||
| 25 | 07:56 | SW 7 | 16.09 | Overcast | OVC065 | 2.2 | -6.7 | 52% | 0 | 75.46 | 1007.9 | ||||||
| 25 | 06:56 | S 9 | 16.09 | Overcast | BKN070 OVC090 | 2.2 | -7.2 | 2.2 | 0 | 50% | -0 | 75.46 | 1007.9 | ||||
| 25 | 05:56 | SW 7 | 16.09 | Mostly Cloudy | BKN070 | 1.7 | -7.2 | 52% | -0 | 75.46 | 1007.9 | ||||||
| 25 | 04:56 | Calm | 16.09 | Overcast | OVC110 | 1.1 | -7.8 | 52% | 75.46 | 1008.0 | |||||||
| 25 | 03:56 | SW 7 | 16.09 | Overcast | BKN080 OVC095 | 1.1 | -7.8 | 52% | -1 | 75.49 | 1008.2 | ||||||
| 25 | 02:56 | S 13 | 16.09 | Overcast | BKN075 OVC100 | 1.1 | -8.3 | 50% | -2 | 75.49 | 1008.3 | ||||||
| 25 | 01:56 | S 15 | 16.09 | Overcast | FEW060 OVC080 | 0.6 | -8.3 | 52% | -3 | 75.59 | 1009.7 | ||||||
| 25 | 00:56 | SW 11 | 16.09 | Overcast | SCT075 OVC090 | 0.6 | -8.3 | 0.6 | -0.6 | 52% | -2 | 75.77 | 1011.9 | ||||
| 24 | 23:56 | S 9 | 16.09 | Mostly Cloudy | BKN110 | 0 | -7.8 | 56% | -3 | 75.74 | 1012.0 | ||||||
| 24 | 22:56 | S 9 | 16.09 | Fair | CLR | -0.6 | -8.9 | 54% | -3 | 75.87 | 1013.4 | ||||||
| 24 | 21:56 | S 11 | 16.09 | Fair | CLR | 0 | -8.9 | 52% | -3 | 75.92 | 1014.0 | ||||||
| 24 | 20:56 | S 11 | 16.09 | Fair | CLR | 0 | -8.9 | 52% | -3 | 75.95 | 1014.6 | ||||||
| 24 | 19:56 | S 11 | 16.09 | Partly Cloudy | SCT110 | 0.6 | -10 | 45% | -2 | 76 | 1015.2 | ||||||
| 24 | 18:56 | S 6 | 16.09 | Fair | CLR | -0.6 | -8.3 | 2.2 | -0.6 | 56% | 76.02 | 1015.7 | |||||
| 24 | 17:56 | SW 6 | 16.09 | Fair | CLR | 1.7 | -11.1 | 38% | 76 | 1015.1 | |||||||
| 24 | 16:56 | SW 15 | 16.09 | Fair | CLR | 2.2 | -10.6 | 39% | -1 | 76.02 | 1015.6 | ||||||
| 24 | 14:56 | W 20 | 16.09 | Fair | CLR | 0.6 | -10.6 | 43% | -4 | 76.1 | 1016.6 | ||||||
| 24 | 13:56 | W 15 | 16.09 | Fair | CLR | 0.6 | -10.6 | 43% | -3 | 76.17 | 1017.5 | ||||||
| 24 | 12:56 | W 22 G 31 | 16.09 | Fair | CLR | 0 | -9.4 | 0 | -5.6 | 50% | -5 | 76.23 | 1018.4 | ||||
| 24 | 11:56 | W 15 | 16.09 | A Few Clouds | FEW045 | -1.1 | -10 | 51% | -5 | 76.3 | 1019.4 | ||||||
| 24 | 10:56 | NW 26 G 39 | 16.09 | A Few Clouds | FEW043 | -2.2 | -10.6 | 53% | -8 | 76.3 | 1019.3 | ||||||
| 24 | 09:56 | NW 17 G 37 | 16.09 | Fair | CLR | -3.3 | -10.6 | 57% | -8 | 76.33 | 1019.6 | ||||||
| 24 | 08:56 | NW 31 G 43 | 16.09 | A Few Clouds | FEW036 | -3.9 | -10.6 | 60% | -11 | 76.35 | 1019.8 | ||||||
| 24 | 07:56 | W 20 G 37 | 16.09 | Fair | CLR | -4.4 | -10.6 | 62% | -10 | 76.35 | 1019.9 | ||||||
| 24 | 06:56 | W 19 G 33 | 16.09 | Fair | CLR | -5 | -10.6 | -2.2 | -5 | 65% | -11 | 76.3 | 1019.4 | ||||
| 24 | 05:56 | NW 15 G 28 | 16.09 | Fair | CLR | -5 | -10.6 | 65% | -10 | 76.28 | 1019.1 | ||||||
| 24 | 04:56 | NW 17 | 16.09 | Fair | CLR | -4.4 | -10 | 65% | -10 | 76.23 | 1018.4 | ||||||
| 24 | 03:56 | NW 28 G 37 | 16.09 | Fair | CLR | -3.9 | -9.4 | 66% | -11 | 76.17 | 1017.6 | ||||||
| 24 | 02:56 | NW 24 G 33 | 16.09 | Fair | CLR | -3.3 | -9.4 | 63% | -10 | 76.17 | 1017.6 | ||||||
| 24 | 01:56 | NW 30 G 41 | 16.09 | Partly Cloudy | SCT038 | -2.8 | -8.9 | 63% | -10 | 76.17 | 1017.4 | ||||||
| 24 | 00:56 | NW 22 G 35 | 16.09 | Partly Cloudy | SCT040 | -2.2 | -8.3 | 1.1 | -2.2 | 63% | -8 | 76.15 | 1017.4 | ||||
| 23 | 23:56 | NW 33 G 43 | 16.09 | Overcast and Breezy | OVC038 | -1.1 | -7.2 | 64% | -8 | 76.12 | 1016.9 | ||||||
| 23 | 22:56 | NW 26 G 44 | 16.09 | Overcast | OVC044 | -1.1 | -6.7 | 66% | -7 | 76.12 | 1016.7 | ||||||
| 23 | 21:56 | NW 22 G 39 | 16.09 | Overcast | OVC042 | -0.6 | -6.1 | 67% | -6 | 76.1 | 1016.5 | ||||||
| 23 | 20:56 | NW 22 G 37 | 16.09 | Overcast | OVC043 | 0.6 | -6.1 | 61% | -4 | 76.07 | 1016.1 | ||||||
| 23 | 19:56 | NW 22 G 33 | 16.09 | Overcast | BKN043 OVC050 | 0.6 | -5.6 | 64% | -4 | 76.02 | 1015.5 | ||||||
| 23 | 18:56 | NW 26 G 41 | 16.09 | Overcast | OVC050 | 1.1 | -5 | 3.9 | 1.1 | 64% | -4 | 75.97 | 1014.9 | ||||
| 23 | 17:56 | NW 22 G 48 | 16.09 | Overcast | OVC045 | 2.2 | -5 | 59% | -2 | 75.92 | 1013.9 | ||||||
| 23 | 16:56 | NW 20 G 37 | 16.09 | Mostly Cloudy | BKN041 | 2.2 | -5 | 59% | -2 | 75.84 | 1013.0 | ||||||
| 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) | |||||||||||||||