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. | ||||||||||||||||
| 24 | 15:56 | W 7 | 10.00 | Fair | CLR | 80.1 | 55 | 42% | 80 | 30.04 | 1018.1 | ||||||
| 24 | 14:56 | W 5 | 10.00 | Fair | CLR | 79 | 54 | 42% | 79 | 30.05 | 1018.4 | ||||||
| 24 | 13:56 | NW 7 | 10.00 | Fair | CLR | 79 | 55 | 80.1 | 64 | 44% | 80 | 30.06 | 1019.0 | ||||
| 24 | 12:56 | Vrbl 5 | 10.00 | Fair | CLR | 78.1 | 54 | 43% | 79 | 30.08 | 1019.6 | ||||||
| 24 | 11:56 | NW 7 | 10.00 | Fair | CLR | 75.9 | 55.9 | 50% | 78 | 30.09 | 1019.8 | ||||||
| 24 | 10:56 | Calm | 10.00 | A Few Clouds | FEW044 | 73.9 | 57.9 | 57% | 30.09 | 1019.9 | |||||||
| 24 | 09:56 | Vrbl 6 | 10.00 | Fair | CLR | 72 | 57 | 59% | 30.1 | 1020.2 | |||||||
| 24 | 08:56 | NW 3 | 10.00 | Fair | CLR | 69.1 | 55.9 | 63% | 30.09 | 1020.0 | |||||||
| 24 | 07:56 | NW 5 | 10.00 | Fair | CLR | 64 | 55.9 | 64 | 54 | 75% | 30.09 | 1019.9 | 0.01 | 0.01 | |||
| 24 | 06:56 | Calm | 10.00 | Fair | CLR | 57.9 | 57.9 | 100% | 30.07 | 1019.5 | |||||||
| 24 | 05:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 30.05 | 1018.8 | |||||||
| 24 | 04:56 | Calm | 10.00 | Fair | CLR | 55.4 | 0 | 0% | 30.04 | 1018.6 | |||||||
| 24 | 03:56 | Calm | 10.00 | Fair | CLR | 57.2 | 0 | 0% | 30.03 | 1018.2 | |||||||
| 24 | 02:56 | Calm | 10.00 | Partly Cloudy | SCT070 | 57.2 | 0 | 0% | 30.02 | 1017.8 | |||||||
| 24 | 01:56 | NW 3 | 10.00 | Partly Cloudy | SCT060 | 59 | 0 | 72 | 59 | 0% | 30.02 | 1017.8 | |||||
| 24 | 00:56 | Calm | 7.00 | A Few Clouds | FEW060 | 60.8 | 0 | 0% | 30 | 1017.1 | |||||||
| 23 | 23:56 | Calm | 10.00 | Fair | CLR | 60.8 | 0 | 0% | 30 | 1016.9 | |||||||
| 23 | 22:56 | Calm | 10.00 | Fair | CLR | 60.8 | 0 | 0% | 29.99 | 1016.6 | |||||||
| 23 | 21:56 | Calm | 10.00 | Fair | CLR | 62.6 | 0 | 0% | 29.98 | 1016.3 | |||||||
| 23 | 20:56 | Calm | 10.00 | Fair | CLR | 64.9 | 64.9 | 100% | 29.98 | 1016.2 | |||||||
| 23 | 19:56 | Calm | 10.00 | Fair | CLR | 72 | 61 | 73.9 | 64.9 | 68% | 29.98 | 1016.3 | |||||
| 23 | 18:56 | Calm | 10.00 | Fair | CLR | 73.9 | 62.1 | 67% | 29.96 | 1015.7 | |||||||
| 23 | 17:56 | Vrbl 3 | 10.00 | Partly Cloudy | SCT040 | 71.1 | 62.1 | 73% | 29.94 | 1014.9 | |||||||
| 23 | 16:56 | Vrbl 5 | 10.00 | Mostly Cloudy | FEW024 BKN036 | 70 | 64 | 82% | 29.94 | 1014.8 | |||||||
| 23 | 15:56 | Vrbl 5 | 10.00 | Mostly Cloudy | SCT016 SCT022 BKN027 | 66.9 | 66 | 97% | 29.95 | 1015.2 | |||||||
| 23 | 14:56 | Vrbl 3 | 10.00 | Light Rain | BKN014 BKN035 BKN045 | 66 | 66 | 100% | 29.95 | 1015.3 | |||||||
| 23 | 13:56 | Vrbl 3 | 10.00 | Light Rain | SCT010 SCT050 OVC065 | 64.4 | 0 | 70 | 64 | 0% | 29.95 | 1015.1 | 0.08 | 0.58 | |||
| 23 | 12:56 | Calm | 4.00 | Light Rain | SCT009 BKN055 OVC070 | 64.4 | 0 | 0% | 29.96 | 1015.6 | 0.1 | ||||||
| 23 | 11:56 | Vrbl 3 | 5.00 | Rain | BKN007 OVC011 | 66.2 | 0 | 0% | 29.95 | 1015.0 | 0.22 | ||||||
| 23 | 10:56 | Calm | 4.00 | Rain | BKN008 OVC026 | 68 | 0 | 0% | 29.93 | 1014.5 | 0.13 | 0.18 | |||||
| 23 | 09:56 | Vrbl 3 | 4.00 | Light Rain | OVC007 | 69.8 | 0 | 0% | 29.9 | 1013.7 | 0.05 | ||||||
| 23 | 08:56 | Calm | 10.00 | Light Rain | BKN011 OVC018 | 69.8 | 0 | 0% | 29.91 | 1013.9 | |||||||
| 23 | 07:56 | Calm | 10.00 | Overcast | OVC016 | 69.8 | 0 | 70 | 68 | 0% | 29.91 | 1013.8 | |||||
| 23 | 06:56 | W 3 | 10.00 | Mostly Cloudy | BKN090 | 69.8 | 0 | 0% | 29.89 | 1013.2 | |||||||
| 23 | 05:56 | Calm | 10.00 | A Few Clouds | FEW090 | 68 | 0 | 0% | 29.87 | 1012.4 | |||||||
| 23 | 04:56 | Calm | 9.00 | A Few Clouds | FEW090 | 68 | 0 | 0% | 29.87 | 1012.2 | |||||||
| 23 | 03:56 | Calm | 10.00 | Fair | CLR | 68 | 0 | 0% | 29.87 | 1012.1 | |||||||
| 23 | 02:56 | W 3 | 10.00 | A Few Clouds | FEW017 | 69.8 | 0 | 0% | 29.89 | 1012.8 | |||||||
| 23 | 01:56 | W 5 | 10.00 | A Few Clouds | FEW065 | 69.8 | 0 | 73.9 | 70 | 0% | 29.89 | 1012.8 | 0.01 | ||||
| 23 | 00:56 | SW 3 | 10.00 | Fair | CLR | 69.8 | 0 | 0% | 29.88 | 1012.7 | |||||||
| 22 | 23:56 | S 7 | 10.00 | Mostly Cloudy | BKN005 | 71.6 | 0 | 0% | 29.89 | 1013.0 | |||||||
| 22 | 22:56 | SW 6 | 10.00 | A Few Clouds | FEW075 | 71.6 | 0 | 0% | 29.91 | 1013.7 | 0.01 | ||||||
| 22 | 21:56 | Calm | 10.00 | Partly Cloudy | SCT110 | 73.4 | 0 | 0% | 29.89 | 1012.9 | 0.01 | ||||||
| 22 | 20:56 | W 3 | 10.00 | Mostly Cloudy | BKN110 | 73.4 | 0 | 0% | 29.87 | 1012.4 | |||||||
| 22 | 19:56 | SE 5 | 10.00 | Light Rain | BKN110 | 73.4 | 0 | 89.1 | 73 | 0% | 29.85 | 1012.0 | 0.01 | 0.05 | |||
| 22 | 18:56 | Calm | 10.00 | Light Rain | BKN110 | 75 | 75 | 100% | 72 | 29.88 | 1012.8 | 0.03 | |||||
| 22 | 17:56 | SW 6 | 10.00 | Light Rain | SCT032 BKN045 OVC065 | 81 | 73.9 | 79% | 86 | 29.86 | 1012.0 | 0.01 | |||||
| 22 | 16:56 | S 7 | 10.00 | Light Rain | FEW055 BKN090 OVC110 | 84.9 | 72 | 65% | 91 | 29.87 | 1012.2 | ||||||
| 22 | 15:56 | S 10 G 16 | 10.00 | Partly Cloudy | FEW039 SCT070 | 89.1 | 69.1 | 52% | 94 | 29.88 | 1012.4 | ||||||
| 22 | 14:56 | SW 9 | 10.00 | Mostly Cloudy | SCT049 BKN080 BKN100 | 89.1 | 69.1 | 52% | 94 | 29.89 | 1012.7 | ||||||
| 22 | 13:56 | S 6 G 16 | 10.00 | A Few Clouds | FEW110 | 86 | 68 | 86 | 71.1 | 55% | 89 | 29.91 | 1013.6 | ||||
| 22 | 12:56 | SW 8 | 10.00 | Mostly Cloudy | BKN120 | 84.9 | 66.9 | 55% | 88 | 29.92 | 1013.9 | ||||||
| 22 | 11:56 | S 10 G 16 | 10.00 | Fair | CLR | 86 | 68 | 55% | 89 | 29.92 | 1013.9 | ||||||
| 22 | 10:56 | S 10 | 10.00 | Fair | CLR | 82.9 | 68 | 61% | 86 | 29.93 | 1014.2 | ||||||
| 22 | 09:56 | SE 8 | 10.00 | Partly Cloudy | SCT100 | 80.1 | 69.1 | 69% | 83 | 29.93 | 1014.3 | ||||||
| 22 | 08:56 | SE 9 | 10.00 | Fair | CLR | 75.9 | 66.9 | 74% | 77 | 29.93 | 1014.4 | ||||||
| 22 | 07:56 | Calm | 10.00 | Fair | CLR | 71.1 | 64.9 | 71.1 | 64.9 | 81% | 29.95 | 1014.9 | |||||
| 22 | 06:56 | Vrbl 3 | 10.00 | Fair | CLR | 69.1 | 63 | 81% | 29.95 | 1014.9 | |||||||
| 22 | 05:56 | E 3 | 10.00 | A Few Clouds | FEW080 | 68 | 60.1 | 76% | 29.96 | 1015.3 | |||||||
| 22 | 04:56 | Calm | 10.00 | Partly Cloudy | SCT085 | 68 | 57.9 | 70% | 29.97 | 1015.8 | |||||||
| 22 | 03:56 | Calm | 10.00 | Mostly Cloudy | BKN080 | 68 | 57.9 | 70% | 29.98 | 1016.3 | |||||||
| 22 | 02:56 | Calm | 10.00 | Mostly Cloudy | BKN085 | 66 | 57.9 | 75% | 29.99 | 1016.4 | |||||||
| 22 | 01:56 | Calm | 10.00 | Fair | CLR | 66 | 55.9 | 78.1 | 64 | 70% | 29.99 | 1016.4 | |||||
| 22 | 00:56 | Calm | 10.00 | Fair | CLR | 64.9 | 55.9 | 73% | 30 | 1016.7 | |||||||
| 21 | 23:56 | Calm | 10.00 | Fair | CLR | 64 | 59 | 84% | 30 | 1017.1 | |||||||
| 21 | 22:56 | Calm | 10.00 | Fair | CLR | 66 | 55.9 | 70% | 30 | 1016.9 | |||||||
| 21 | 21:56 | Calm | 10.00 | Fair | CLR | 66.9 | 57.9 | 73% | 29.99 | 1016.7 | |||||||
| 21 | 20:56 | Calm | 10.00 | Fair | CLR | 71.1 | 57 | 61% | 29.98 | 1016.2 | |||||||
| 21 | 19:56 | Calm | 10.00 | Fair | CLR | 78.1 | 55 | 82.9 | 78.1 | 45% | 79 | 29.98 | 1016.0 | ||||
| 21 | 18:56 | Calm | 10.00 | Fair | CLR | 82 | 54 | 38% | 81 | 29.96 | 1015.7 | ||||||
| 21 | 17:56 | NW 8 | 10.00 | A Few Clouds | FEW070 | 81 | 55.9 | 42% | 81 | 29.96 | 1015.6 | ||||||
| 21 | 16:56 | NW 9 | 10.00 | Fair | CLR | 82 | 57.9 | 44% | 82 | 29.95 | 1015.2 | ||||||
| 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) | |||||||||||||||