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. | ||||||||||||||||
| 28 | 10:56 | W 28 G 41 | 16.09 | Overcast | OVC046 | 1.7 | -8.3 | 48% | -4 | 76.58 | 1022.8 | ||||||
| 28 | 08:56 | W 22 G 39 | 16.09 | Fair | CLR | 1.1 | -8.9 | 48% | -4 | 76.48 | 1021.4 | ||||||
| 28 | 07:56 | W 19 G 33 | 16.09 | Fair | CLR | -0.6 | -8.3 | 56% | -5 | 76.45 | 1021.1 | ||||||
| 28 | 06:56 | W 17 | 16.09 | Fair | CLR | -1.1 | -8.9 | 0.6 | -1.7 | 56% | -6 | 76.43 | 1020.8 | ||||
| 28 | 05:56 | W 15 | 16.09 | Fair | CLR | -1.7 | -9.4 | 56% | -6 | 76.38 | 1020.1 | ||||||
| 28 | 04:56 | W 24 | 16.09 | Fair | CLR | -1.1 | -8.9 | 56% | -7 | 76.3 | 1019.3 | ||||||
| 28 | 03:56 | W 17 G 30 | 16.09 | Fair | CLR | -1.1 | -8.9 | 56% | -6 | 76.3 | 1019.1 | ||||||
| 28 | 02:56 | W 22 G 35 | 16.09 | Partly Cloudy | SCT065 | -0.6 | -8.3 | 56% | -6 | 76.3 | 1019.1 | ||||||
| 28 | 01:56 | W 20 | 16.09 | Mostly Cloudy | BKN065 | 0 | -8.3 | 54% | -5 | 76.3 | 1019.1 | ||||||
| 28 | 00:56 | W 15 G 28 | 16.09 | Mostly Cloudy | BKN060 | 0.6 | -9.4 | 2.2 | 0 | 48% | -3 | 76.28 | 1018.9 | ||||
| 27 | 23:56 | W 17 | 16.09 | Overcast | OVC055 | 1.1 | -8.3 | 50% | -3 | 76.3 | 1019.1 | ||||||
| 27 | 22:56 | W 20 G 31 | 16.09 | Overcast | OVC055 | 1.1 | -8.3 | 50% | -3 | 76.3 | 1019.1 | ||||||
| 27 | 21:56 | W 17 G 31 | 16.09 | Overcast | OVC055 | 1.7 | -8.9 | 46% | -2 | 76.33 | 1019.4 | ||||||
| 27 | 20:56 | W 22 G 30 | 16.09 | Overcast | OVC050 | 1.7 | -8.3 | 48% | -3 | 76.33 | 1019.5 | ||||||
| 27 | 19:56 | NW 22 | 16.09 | Overcast | OVC055 | 1.7 | -8.3 | 48% | -3 | 76.33 | 1019.5 | ||||||
| 27 | 18:56 | W 19 G 31 | 16.09 | Overcast | OVC050 | 2.2 | -6.7 | 3.9 | 2.2 | 52% | -2 | 76.35 | 1019.9 | ||||
| 27 | 17:56 | W 15 | 16.09 | Overcast | SCT047 OVC060 | 2.2 | -6.7 | 52% | -1 | 76.35 | 1019.7 | ||||||
| 27 | 16:56 | NW 22 G 31 | 16.09 | Overcast | OVC050 | 2.8 | -7.2 | 48% | -2 | 76.33 | 1019.2 | ||||||
| 27 | 15:56 | W 22 G 33 | 16.09 | Mostly Cloudy | BKN050 | 3.3 | -7.2 | 46% | -1 | 76.3 | 1019.1 | ||||||
| 27 | 14:56 | NW 19 G 33 | 16.09 | Mostly Cloudy | SCT049 BKN110 | 3.9 | -7.2 | 45% | 0 | 76.25 | 1018.3 | ||||||
| 27 | 13:56 | W 20 | 16.09 | Mostly Cloudy | FEW048 BKN110 | 3.9 | -6.7 | 46% | 0 | 76.25 | 1018.5 | ||||||
| 27 | 12:56 | NW 20 G 28 | 16.09 | A Few Clouds | FEW120 | 3.9 | -7.2 | 5.6 | 1.7 | 45% | 0 | 76.28 | 1018.8 | ||||
| 27 | 11:56 | NW 19 G 28 | 16.09 | Partly Cloudy | SCT120 | 4.4 | -6.7 | 45% | 1 | 76.28 | 1018.7 | ||||||
| 27 | 10:56 | NW 22 G 33 | 16.09 | A Few Clouds | FEW120 | 5.6 | -6.7 | 41% | 2 | 76.3 | 1018.8 | ||||||
| 27 | 08:56 | W 17 | 16.09 | Fair | CLR | 5 | -6.1 | 45% | 2 | 76.23 | 1017.9 | ||||||
| 27 | 07:56 | SW 7 | 16.09 | Fair | CLR | 3.9 | -6.1 | 48% | 2 | 76.28 | 1018.3 | ||||||
| 27 | 06:56 | Calm | 16.09 | Fair | CLR | 2.8 | -6.7 | 5.6 | 2.8 | 50% | 76.23 | 1018.0 | |||||
| 27 | 05:56 | W 15 G 28 | 16.09 | Fair | CLR | 3.9 | -7.2 | 45% | 1 | 76.23 | 1017.6 | ||||||
| 27 | 04:56 | W 19 | 16.09 | Fair | CLR | 4.4 | -6.7 | 45% | 1 | 76.17 | 1017.2 | ||||||
| 27 | 03:56 | W 19 G 31 | 16.09 | A Few Clouds | FEW055 | 4.4 | -6.7 | 45% | 1 | 76.15 | 1016.6 | ||||||
| 27 | 02:56 | W 26 G 41 | 16.09 | Fair | CLR | 5 | -7.2 | 41% | 1 | 76.12 | 1016.4 | ||||||
| 27 | 01:56 | W 28 G 50 | 16.09 | Fair | CLR | 5.6 | -6.7 | 41% | 1 | 76.12 | 1016.2 | ||||||
| 27 | 00:56 | W 26 G 37 | 16.09 | Fair | CLR | 5 | -6.1 | 12.8 | 5 | 45% | 1 | 76.1 | 1015.9 | ||||
| 26 | 23:56 | NW 31 G 57 | 16.09 | Fair | CLR | 6.1 | -5.6 | 43% | 2 | 76.07 | 1015.7 | ||||||
| 26 | 22:56 | NW 20 G 44 | 16.09 | Fair | CLR | 7.2 | -3.3 | 48% | 4 | 76 | 1014.8 | ||||||
| 26 | 21:56 | NW 24 G 52 | 16.09 | Fair | CLR | 8.3 | -2.8 | 46% | 5 | 75.95 | 1013.8 | ||||||
| 26 | 20:56 | NW 30 G 44 | 16.09 | Fair | CLR | 9.4 | -1.1 | 48% | 6 | 75.84 | 1012.6 | ||||||
| 26 | 19:56 | NW 26 G 33 | 16.09 | Fair | CLR | 12.2 | 2.2 | 51% | 75.72 | 1010.9 | |||||||
| 26 | 18:56 | NW 20 G 39 | 16.09 | Fair | CLR | 12.8 | 5.6 | 20.6 | 12.8 | 62% | 75.69 | 1010.5 | |||||
| 26 | 17:56 | W 28 G 44 | 16.09 | Mostly Cloudy | SCT070 BKN090 | 14.4 | 8.3 | 67% | 75.64 | 1009.6 | |||||||
| 26 | 16:56 | W 6 | 14.48 | Overcast | OVC070 | 15 | 11.1 | 78% | 75.51 | 1008.2 | |||||||
| 26 | 15:56 | NW 17 | 16.09 | Light Rain | FEW038 BKN050 OVC065 | 16.1 | 11.7 | 75% | 75.51 | 1008.1 | |||||||
| 26 | 14:56 | SW 15 | 16.09 | Mostly Cloudy | SCT049 BKN065 BKN080 | 20 | 11.1 | 57% | 75.46 | 1007.3 | |||||||
| 26 | 13:56 | SW 11 | 16.09 | Mostly Cloudy | FEW026 BKN075 | 20 | 13.3 | 65% | 75.49 | 1007.6 | |||||||
| 26 | 12:56 | S 7 | 16.09 | A Few Clouds | FEW019 | 18.3 | 15.6 | 18.3 | 11.7 | 84% | 75.57 | 1008.7 | |||||
| 26 | 11:56 | S 9 | 16.09 | Mostly Cloudy | BKN007 BKN075 | 15.6 | 15.6 | 100% | 75.64 | 1009.7 | |||||||
| 26 | 10:56 | SW 9 | 11.27 | Overcast | OVC003 | 14 | 0 | 0% | 75.74 | 1011.3 | |||||||
| 26 | 09:56 | Calm | 0.40 | Fog | SCT003 OVC017 | 12 | 0 | 0% | 75.82 | 1012.5 | |||||||
| 26 | 08:56 | NW 9 | 0.80 | Fog | OVC003 | 12 | 0 | 0% | 75.87 | 1012.9 | |||||||
| 26 | 07:56 | Calm | 8.05 | Overcast with Haze | OVC005 | 12 | 0 | 0% | 75.84 | 1012.5 | |||||||
| 26 | 06:56 | Calm | 4.83 | Fog/Mist | OVC005 | 9 | 0 | 10.6 | 7.2 | 0% | 75.84 | 1012.5 | |||||
| 26 | 05:56 | S 7 | 4.02 | Fog/Mist | OVC007 | 10 | 0 | 0% | 9 | 75.82 | 1012.2 | ||||||
| 26 | 04:56 | Calm | 1.21 | Fog/Mist | SCT009 OVC085 | 8 | 0 | 0% | 75.84 | 1012.6 | |||||||
| 26 | 03:56 | Calm | 1.61 | Fog/Mist | SCT070 | 8 | 0 | 0% | 75.87 | 1013.0 | |||||||
| 26 | 02:56 | Calm | 8.05 | Light Rain | OVC055 | 9 | 0 | 0% | 75.92 | 1013.9 | |||||||
| 26 | 01:56 | Calm | 8.05 | Overcast with Haze | FEW050 BKN090 OVC100 | 9 | 0 | 0% | 75.92 | 1013.9 | |||||||
| 26 | 00:56 | SE 6 | 11.27 | Overcast | OVC070 | 8 | 0 | 8.9 | 6.7 | 0% | 76 | 1014.4 | |||||
| 25 | 23:56 | SE 7 | 8.05 | Overcast with Haze | OVC080 | 8 | 0 | 0% | 7 | 76.02 | 1015.0 | ||||||
| 25 | 22:56 | SE 7 | 6.44 | Fair with Haze | CLR | 7 | 0 | 0% | 6 | 76.05 | 1015.5 | ||||||
| 25 | 21:56 | Calm | 4.02 | Fog/Mist | CLR | 7 | 0 | 0% | 76.1 | 1016.0 | |||||||
| 25 | 20:56 | SE 6 | 2.01 | Fog/Mist | CLR | 7 | 0 | 0% | 76.12 | 1016.4 | |||||||
| 25 | 19:56 | SE 6 | 9.66 | Overcast with Haze | OVC030 | 9 | 0 | 0% | 76.15 | 1016.9 | |||||||
| 25 | 18:56 | Calm | 6.44 | Light Rain | BKN010 OVC014 | 9 | 0 | 11.7 | 8.9 | 0% | 76.2 | 1017.6 | 0.08 | 0.64 | |||
| 25 | 17:56 | Calm | 8.05 | Light Rain | BKN020 OVC027 | 9 | 0 | 0% | 76.2 | 1017.5 | 0.25 | ||||||
| 25 | 16:56 | Calm | 6.44 | Rain | OVC028 | 9 | 0 | 0% | 76.23 | 1017.8 | 0.3 | ||||||
| 25 | 15:56 | Calm | 16.09 | Overcast | OVC045 | 11.1 | 7.8 | 80% | 76.25 | 1018.1 | |||||||
| 25 | 14:56 | SE 9 | 16.09 | Overcast | OVC048 | 11.1 | 7.2 | 77% | 76.33 | 1018.9 | |||||||
| 25 | 13:56 | SE 17 | 16.09 | Overcast | OVC050 | 10.6 | 7.8 | 83% | 76.38 | 1019.8 | |||||||
| 25 | 12:56 | SE 15 | 16.09 | Light Rain | FEW023 SCT070 OVC100 | 10 | 7.2 | 11.1 | 7.2 | 83% | 8 | 76.45 | 1020.8 | ||||
| 25 | 11:56 | S 15 | 16.09 | Overcast | BKN025 OVC090 | 11.1 | 3.9 | 61% | 76.56 | 1022.1 | |||||||
| 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) | |||||||||||||||