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. | ||||||||||||||||
| 01 | 06:56 | W 7 | 10.00 | Fair | CLR | 46 | 33.1 | 61% | 43 | 29.97 | 1016.4 | ||||||
| 01 | 05:56 | W 3 | 10.00 | Fair | CLR | 46 | 34 | 63% | 29.95 | 1015.7 | |||||||
| 01 | 04:56 | W 5 | 10.00 | Fair | CLR | 46 | 34 | 63% | 44 | 29.93 | 1015.0 | ||||||
| 01 | 03:56 | W 9 | 10.00 | Fair | CLR | 46.9 | 36 | 66% | 43 | 29.92 | 1014.6 | ||||||
| 01 | 02:56 | W 7 | 10.00 | Fair | CLR | 48.9 | 36 | 61% | 46 | 29.9 | 1013.9 | ||||||
| 01 | 01:56 | W 9 | 10.00 | Mostly Cloudy | BKN050 | 51.1 | 37 | 53.1 | 46.9 | 59% | 29.88 | 1013.1 | |||||
| 01 | 00:56 | W 6 | 10.00 | Overcast | OVC050 | 51.1 | 37 | 59% | 29.88 | 1013.1 | |||||||
| 31 | 23:56 | W 6 | 10.00 | A Few Clouds | FEW055 | 46.9 | 35.1 | 63% | 45 | 29.86 | 1012.8 | ||||||
| 31 | 22:56 | Vrbl 6 | 10.00 | A Few Clouds | FEW060 | 51.1 | 35.1 | 54% | 29.86 | 1012.6 | |||||||
| 31 | 21:56 | W 13 G 20 | 10.00 | A Few Clouds | FEW060 | 50 | 35.1 | 57% | 46 | 29.83 | 1011.7 | ||||||
| 31 | 20:56 | W 10 | 10.00 | A Few Clouds | FEW060 | 52 | 34 | 50% | 29.81 | 1011.0 | |||||||
| 31 | 19:56 | W 22 G 29 | 10.00 | Mostly Cloudy and Breezy | BKN065 | 53.1 | 34 | 60.1 | 53.1 | 48% | 29.78 | 1010.1 | |||||
| 31 | 18:56 | W 24 G 35 | 10.00 | Overcast and Breezy | OVC065 | 54 | 33.1 | 45% | 29.77 | 1009.5 | |||||||
| 31 | 17:56 | W 18 G 26 | 10.00 | Overcast | OVC065 | 55 | 33.1 | 44% | 29.75 | 1008.7 | |||||||
| 31 | 16:56 | W 24 G 36 | 10.00 | Mostly Cloudy and Breezy | BKN060 | 55.9 | 32 | 40% | 29.71 | 1007.3 | |||||||
| 31 | 15:56 | W 16 G 35 | 10.00 | A Few Clouds | FEW060 | 57 | 32 | 39% | 29.68 | 1006.2 | |||||||
| 31 | 14:56 | W 24 G 33 | 10.00 | Fair and Breezy | CLR | 57.9 | 32 | 38% | 29.64 | 1005.1 | |||||||
| 31 | 13:56 | W 24 G 32 | 10.00 | A Few Clouds and Breezy | FEW060 | 60.1 | 34 | 60.1 | 48.9 | 38% | 29.64 | 1005.0 | |||||
| 31 | 12:56 | W 22 G 35 | 10.00 | Mostly Cloudy and Breezy | BKN055 | 55.9 | 34 | 44% | 29.64 | 1005.1 | |||||||
| 31 | 11:56 | W 25 G 35 | 10.00 | Fair and Breezy | CLR | 57 | 35.1 | 44% | 29.63 | 1004.8 | |||||||
| 31 | 10:56 | W 23 G 36 | 10.00 | A Few Clouds and Breezy | FEW049 | 53.1 | 34 | 48% | 29.62 | 1004.6 | |||||||
| 31 | 09:56 | W 15 G 31 | 10.00 | A Few Clouds | FEW047 | 53.1 | 34 | 48% | 29.63 | 1004.9 | |||||||
| 31 | 08:56 | W 16 G 31 | 10.00 | Partly Cloudy | SCT041 | 50 | 35.1 | 57% | 45 | 29.61 | 1004.1 | ||||||
| 31 | 07:56 | W 16 G 25 | 10.00 | Mostly Cloudy | BKN040 | 48.9 | 39 | 52 | 48 | 69% | 44 | 29.59 | 1003.4 | ||||
| 31 | 06:56 | W 10 G 20 | 10.00 | Overcast | OVC040 | 50 | 39 | 66% | 46 | 29.56 | 1002.3 | ||||||
| 31 | 05:56 | NW 14 G 29 | 10.00 | Overcast | OVC042 | 51.1 | 39 | 64% | 29.53 | 1001.1 | |||||||
| 31 | 04:56 | W 16 G 22 | 10.00 | Overcast | OVC038 | 51.1 | 41 | 69% | 29.51 | 1000.5 | |||||||
| 31 | 03:56 | W 9 G 22 | 10.00 | Overcast | OVC044 | 52 | 41 | 66% | 29.51 | 1000.3 | |||||||
| 31 | 02:56 | W 12 | 10.00 | Mostly Cloudy | BKN038 | 51.1 | 43 | 74% | 29.49 | 999.6 | |||||||
| 31 | 01:56 | SW 6 | 10.00 | Mostly Cloudy | BKN042 | 48.9 | 44.1 | 52 | 46 | 83% | 47 | 29.48 | 999.6 | ||||
| 31 | 00:56 | W 6 | 10.00 | Partly Cloudy | SCT044 | 46.9 | 46 | 97% | 45 | 29.49 | 999.9 | ||||||
| 30 | 23:56 | W 5 | 10.00 | A Few Clouds | FEW049 | 46 | 46 | 100% | 44 | 29.49 | 1000.0 | ||||||
| 30 | 22:56 | Calm | 10.00 | Fair | CLR | 48 | 46 | 93% | 29.5 | 1000.3 | |||||||
| 30 | 21:56 | W 5 | 10.00 | Fair | CLR | 48.9 | 45 | 86% | 48 | 29.51 | 1000.5 | ||||||
| 30 | 20:56 | W 6 | 10.00 | Fair | CLR | 51.1 | 44.1 | 77% | 29.51 | 1000.6 | |||||||
| 30 | 19:56 | NW 3 | 10.00 | A Few Clouds | FEW055 | 52 | 48.9 | 64.9 | 52 | 89% | 29.51 | 1000.6 | |||||
| 30 | 18:56 | W 8 | 10.00 | A Few Clouds | FEW085 | 55.9 | 50 | 81% | 29.51 | 1000.6 | |||||||
| 30 | 17:56 | W 7 | 10.00 | Overcast | OVC075 | 60.1 | 52 | 75% | 29.5 | 1000.1 | |||||||
| 30 | 16:56 | W 10 | 10.00 | Overcast | BKN042 BKN050 OVC070 | 62.1 | 51.1 | 67% | 29.49 | 999.6 | |||||||
| 30 | 15:56 | SW 8 | 10.00 | Partly Cloudy | FEW037 SCT065 | 64.9 | 48 | 54% | 29.48 | 999.4 | |||||||
| 30 | 14:56 | SW 10 | 10.00 | Mostly Cloudy | FEW024 SCT030 BKN040 | 64.9 | 53.1 | 66% | 29.5 | 999.9 | |||||||
| 30 | 13:56 | S 7 | 10.00 | Overcast | BKN018 BKN023 OVC045 | 62.1 | 59 | 64 | 57.9 | 90% | 29.51 | 1000.6 | 0.11 | ||||
| 30 | 12:56 | S 10 G 17 | 10.00 | Overcast | OVC014 | 62.1 | 60.1 | 93% | 29.52 | 1000.9 | |||||||
| 30 | 11:56 | Vrbl 6 G 22 | 10.00 | Overcast | BKN012 BKN020 OVC025 | 63 | 63 | 100% | 29.54 | 1001.6 | |||||||
| 30 | 10:56 | S 8 | 10.00 | Overcast | SCT007 OVC015 | 62.6 | 0 | 0% | 29.55 | 1002.0 | 0.11 | ||||||
| 30 | 09:56 | Calm | 5.00 | Light Rain | OVC005 | 59 | 0 | 0% | 29.57 | 1002.7 | 0.01 | ||||||
| 30 | 08:56 | W 3 | 10.00 | Light Rain | BKN005 OVC013 | 59 | 0 | 0% | 29.58 | 1003.0 | 0.1 | ||||||
| 30 | 07:56 | E 9 | 3.00 | Light Rain | OVC005 | 57.2 | 0 | 57.9 | 51.1 | 0% | 29.56 | 1002.4 | 0.02 | 0.36 | |||
| 30 | 06:56 | Vrbl 5 | 10.00 | Light Rain | OVC005 | 55.4 | 0 | 0% | 29.58 | 1002.9 | 0.02 | ||||||
| 30 | 05:56 | Vrbl 6 | 7.00 | Light Rain | OVC005 | 53.6 | 0 | 0% | 29.62 | 1004.5 | 0.01 | ||||||
| 30 | 04:56 | Vrbl 3 | 8.00 | Light Rain | SCT005 BKN032 OVC039 | 53.6 | 0 | 0% | 29.68 | 1006.5 | 0.07 | 0.31 | |||||
| 30 | 03:56 | Calm | 6.00 | Light Rain | OVC007 | 51.8 | 0 | 0% | 29.75 | 1008.7 | 0.14 | ||||||
| 30 | 02:56 | Vrbl 5 | 4.00 | Rain | OVC007 | 51.8 | 0 | 0% | 29.76 | 1009.1 | 0.1 | ||||||
| 30 | 01:56 | Vrbl 7 | 3.00 | Light Rain | OVC007 | 51.8 | 0 | 54 | 50 | 0% | 29.8 | 1010.5 | 0.19 | 0.61 | |||
| 30 | 00:56 | Vrbl 3 | 3.00 | Heavy Rain | BKN007 OVC013 | 51.8 | 0 | 0% | 29.86 | 1012.6 | 0.31 | ||||||
| 29 | 23:56 | Calm | 3.00 | Rain | OVC007 | 50 | 0 | 0% | 29.92 | 1014.4 | 0.07 | ||||||
| 29 | 22:56 | Vrbl 5 | 4.00 | Light Rain | OVC007 | 50 | 0 | 0% | 49 | 29.93 | 1014.9 | 0.04 | 0.04 | ||||
| 29 | 21:56 | Vrbl 5 | 8.00 | Light Rain | OVC009 | 51.8 | 0 | 0% | 29.97 | 1016.5 | |||||||
| 29 | 20:56 | Vrbl 7 | 10.00 | Light Rain | OVC015 | 52 | 52 | 100% | 29.99 | 1017.1 | |||||||
| 29 | 19:56 | Vrbl 5 | 10.00 | Overcast | OVC021 | 53.1 | 48 | 60.1 | 53.1 | 83% | 30 | 1017.2 | |||||
| 29 | 18:56 | Vrbl 7 | 10.00 | Overcast | OVC025 | 54 | 46 | 75% | 30.01 | 1017.8 | |||||||
| 29 | 17:56 | Vrbl 5 | 10.00 | Overcast | BKN029 OVC080 | 55 | 45 | 69% | 30 | 1017.4 | |||||||
| 29 | 16:56 | Calm | 10.00 | Overcast | SCT029 OVC060 | 55.9 | 45 | 67% | 30.02 | 1017.9 | |||||||
| 29 | 15:56 | Vrbl 6 | 10.00 | Overcast | OVC060 | 57 | 44.1 | 62% | 30.02 | 1018.0 | |||||||
| 29 | 14:56 | Vrbl 5 | 10.00 | Overcast | BKN031 BKN065 OVC090 | 60.1 | 44.1 | 56% | 30.03 | 1018.2 | |||||||
| 29 | 13:56 | Vrbl 3 | 10.00 | Mostly Cloudy | FEW031 BKN055 BKN100 | 59 | 43 | 59 | 46 | 56% | 30.05 | 1018.8 | |||||
| 29 | 12:56 | Calm | 10.00 | Overcast | FEW028 OVC055 | 55.9 | 43 | 62% | 30.07 | 1019.8 | |||||||
| 29 | 11:56 | Vrbl 6 | 10.00 | Overcast | OVC050 | 55 | 43 | 64% | 30.1 | 1020.8 | |||||||
| 29 | 10:56 | Vrbl 6 | 10.00 | Overcast | OVC060 | 51.1 | 41 | 69% | 30.11 | 1021.0 | |||||||
| 29 | 09:56 | Vrbl 3 | 10.00 | Overcast | FEW049 OVC065 | 48 | 41 | 77% | 30.11 | 1021.2 | |||||||
| 29 | 08:56 | Vrbl 3 | 10.00 | Overcast | OVC042 | 46.9 | 42.1 | 83% | 30.11 | 1021.2 | |||||||
| 29 | 07:56 | Vrbl 5 | 10.00 | Overcast | BKN034 OVC044 | 45 | 44.1 | 46.9 | 45 | 97% | 43 | 30.1 | 1020.8 | ||||
| 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) | |||||||||||||||