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. | ||||||||||||||||
| 22 | 10:56 | Calm | 6.00 | Light Rain | BKN012 BKN017 OVC025 | 57.2 | 0 | 0% | 30.32 | 1028.2 | |||||||
| 22 | 09:56 | Calm | 10.00 | Overcast | BKN013 OVC021 | 57.2 | 0 | 0% | 30.33 | 1028.2 | |||||||
| 22 | 08:56 | Calm | 9.00 | Light Rain | OVC036 | 57.2 | 0 | 0% | 30.31 | 1027.8 | |||||||
| 22 | 07:56 | Vrbl 3 | 6.00 | Light Rain | SCT007 BKN024 OVC036 | 55.4 | 0 | 55.9 | 54 | 0% | 30.3 | 1027.5 | 0.01 | 0.07 | |||
| 22 | 06:56 | NE 3 | 5.00 | Overcast with Haze | FEW009 BKN016 OVC036 | 55.4 | 0 | 0% | 30.29 | 1027.0 | |||||||
| 22 | 05:56 | Calm | 10.00 | Light Rain | FEW012 BKN036 OVC050 | 55.4 | 0 | 0% | 30.28 | 1026.6 | |||||||
| 22 | 04:56 | Calm | 10.00 | Overcast | OVC036 | 53.6 | 0 | 0% | 30.26 | 1026.1 | 0.06 | ||||||
| 22 | 03:56 | Vrbl 5 | 10.00 | Light Rain | OVC032 | 53.6 | 0 | 0% | 30.24 | 1025.5 | 0.02 | ||||||
| 22 | 02:56 | Vrbl 7 | 6.00 | Light Rain | BKN007 OVC019 | 53.6 | 0 | 0% | 30.25 | 1026.0 | 0.04 | ||||||
| 22 | 01:56 | Calm | 4.00 | Light Rain | OVC007 | 55.4 | 0 | 55 | 54 | 0% | 30.26 | 1026.1 | 0.03 | 0.07 | |||
| 22 | 00:56 | Calm | 5.00 | Light Rain | SCT009 BKN031 OVC110 | 55.4 | 0 | 0% | 30.27 | 1026.4 | 0.02 | ||||||
| 21 | 23:56 | Calm | 10.00 | Light Rain | SCT013 BKN055 BKN120 | 55.4 | 0 | 0% | 30.27 | 1026.5 | 0.01 | ||||||
| 21 | 22:56 | Calm | 10.00 | Overcast | OVC007 | 55.4 | 0 | 0% | 30.28 | 1026.5 | 0.01 | ||||||
| 21 | 21:56 | Calm | 10.00 | Light Rain | FEW015 BKN120 | 55.4 | 0 | 0% | 30.26 | 1025.9 | 0.01 | ||||||
| 21 | 20:56 | Calm | 10.00 | Light Rain | OVC006 | 55.4 | 0 | 0% | 30.26 | 1025.8 | |||||||
| 21 | 19:56 | Calm | 10.00 | Light Rain | OVC010 | 55.4 | 0 | 57 | 55 | 0% | 30.24 | 1025.3 | 0.02 | 0.03 | |||
| 21 | 18:56 | Calm | 10.00 | Light Rain | BKN010 OVC095 | 55.4 | 0 | 0% | 30.23 | 1024.9 | |||||||
| 21 | 17:56 | Calm | 10.00 | Light Rain | BKN010 OVC060 | 55.9 | 55.9 | 100% | 30.23 | 1025.2 | |||||||
| 21 | 16:56 | Calm | 10.00 | Light Rain | OVC049 | 55.4 | 0 | 0% | 30.22 | 1024.5 | 0.01 | ||||||
| 21 | 15:56 | Vrbl 7 | 10.00 | Light Rain | FEW009 OVC041 | 55.9 | 55.9 | 100% | 30.22 | 1024.7 | 0.01 | ||||||
| 21 | 14:56 | Vrbl 5 | 10.00 | Light Rain | OVC011 | 55.9 | 55.9 | 100% | 30.25 | 1025.7 | |||||||
| 21 | 13:56 | Vrbl 5 | 10.00 | Overcast | BKN011 OVC023 | 55.9 | 55.9 | 62.1 | 55.9 | 100% | 30.24 | 1025.2 | |||||
| 21 | 12:56 | Calm | 10.00 | Overcast | OVC011 | 57.9 | 57.9 | 100% | 30.22 | 1024.7 | |||||||
| 21 | 11:56 | Vrbl 5 | 10.00 | Overcast | OVC013 | 59 | 59 | 100% | 30.22 | 1024.6 | |||||||
| 21 | 10:56 | Vrbl 6 | 10.00 | Overcast | BKN017 OVC032 | 61 | 59 | 93% | 30.21 | 1024.2 | |||||||
| 21 | 09:56 | Vrbl 5 | 10.00 | Overcast | BKN012 OVC030 | 60.8 | 0 | 0% | 30.19 | 1023.4 | |||||||
| 21 | 08:56 | Calm | 10.00 | Overcast | OVC022 | 62.6 | 0 | 0% | 30.17 | 1022.9 | |||||||
| 21 | 07:56 | Calm | 10.00 | Overcast | OVC022 | 60.8 | 0 | 68 | 61 | 0% | 30.16 | 1022.4 | 0.01 | ||||
| 21 | 06:56 | Calm | 10.00 | Overcast | OVC022 | 62.6 | 0 | 0% | 30.15 | 1022.1 | |||||||
| 21 | 05:56 | Calm | 10.00 | Overcast | OVC020 | 62.6 | 0 | 0% | 30.13 | 1021.4 | |||||||
| 21 | 04:56 | Calm | 10.00 | Overcast | FEW007 OVC018 | 64.4 | 0 | 0% | 30.1 | 1020.2 | 0.01 | ||||||
| 21 | 03:56 | Calm | 7.00 | Mostly Cloudy | FEW017 SCT022 BKN075 | 66.2 | 0 | 0% | 30.09 | 1019.8 | |||||||
| 21 | 02:56 | Calm | 6.00 | Overcast with Haze | FEW003 BKN011 OVC014 | 68 | 0 | 0% | 30.09 | 1019.8 | 0.01 | ||||||
| 21 | 01:56 | Calm | 4.00 | Mostly Cloudy with Haze | BKN110 | 68 | 0 | 69.1 | 68 | 0% | 30.09 | 1019.9 | 0.04 | 0.25 | |||
| 21 | 00:56 | NW 3 | 8.00 | Light Rain | SCT085 BKN110 | 68 | 0 | 0% | 30.1 | 1020.3 | 0.01 | ||||||
| 20 | 23:56 | Calm | 7.00 | Mostly Cloudy | BKN095 BKN110 | 68 | 0 | 0% | 30.1 | 1019.9 | 0.01 | ||||||
| 20 | 22:56 | S 8 | 10.00 | Thunderstorm in Vicinity | OVC090 | 69.8 | 0 | 0% | 30.11 | 1020.4 | 0.03 | 0.19 | |||||
| 20 | 21:56 | NE 3 | 4.00 | Thunderstorm in Vicinity Rain | OVC110 | 69.8 | 0 | 0% | 30.09 | 1019.7 | 0.15 | ||||||
| 20 | 20:56 | W 8 | 10.00 | Thunderstorm in Vicinity Light Rain | BKN085 OVC110 | 69.8 | 0 | 0% | 30.08 | 1019.4 | 0.01 | ||||||
| 20 | 19:56 | Calm | 7.00 | Mostly Cloudy | SCT080 BKN110 | 69.8 | 0 | 95 | 68 | 0% | 30.03 | 1018.0 | 0.31 | ||||
| 20 | 18:56 | Calm | 7.00 | Light Rain | OVC100 | 69.8 | 0 | 0% | 30.02 | 1017.5 | 0.05 | ||||||
| 20 | 17:56 | Calm | 9.00 | Light Rain | FEW080 BKN110 | 69.8 | 0 | 0% | 30.03 | 1017.7 | 0.06 | ||||||
| 20 | 15:56 | NW 13 G 20 | 10.00 | Mostly Cloudy | BKN070 BKN080 | 89.1 | 64 | 43% | 90 | 30 | 1016.6 | ||||||
| 20 | 14:56 | W 9 G 16 | 10.00 | A Few Clouds | FEW075 | 93 | 66 | 41% | 96 | 29.99 | 1016.4 | ||||||
| 20 | 13:56 | W 10 | 10.00 | Mostly Cloudy | SCT060 BKN070 | 91 | 66.9 | 91.9 | 77 | 45% | 94 | 30.03 | 1017.7 | ||||
| 20 | 12:56 | NW 10 | 10.00 | Fair | CLR | 91 | 66.9 | 45% | 94 | 30.04 | 1018.0 | ||||||
| 20 | 11:56 | W 9 | 10.00 | Fair | CLR | 89.1 | 66.9 | 48% | 92 | 30.06 | 1018.8 | ||||||
| 20 | 10:56 | NW 9 | 10.00 | Fair | CLR | 87.1 | 66.9 | 51% | 90 | 30.07 | 1019.2 | ||||||
| 20 | 09:56 | W 9 | 10.00 | Fair | CLR | 84.9 | 64.9 | 51% | 87 | 30.08 | 1019.3 | ||||||
| 20 | 08:56 | W 7 | 10.00 | Fair | CLR | 82 | 64.9 | 56% | 84 | 30.07 | 1019.2 | ||||||
| 20 | 07:56 | W 3 | 10.00 | Fair | CLR | 77 | 66.9 | 77 | 66 | 71% | 79 | 30.07 | 1019.0 | ||||
| 20 | 05:56 | Calm | 10.00 | Fair | CLR | 66.9 | 66.9 | 100% | 30.06 | 1018.6 | |||||||
| 20 | 04:56 | Calm | 10.00 | Fair | CLR | 68 | 68 | 100% | 30.05 | 1018.5 | |||||||
| 20 | 03:56 | NW 3 | 10.00 | Fair | CLR | 68 | 0 | 0% | 30.05 | 1018.5 | |||||||
| 20 | 02:56 | Calm | 10.00 | Fair | CLR | 70 | 70 | 100% | 30.05 | 1018.5 | |||||||
| 20 | 01:56 | Calm | 10.00 | Fair | CLR | 69.1 | 69.1 | 82.9 | 69.1 | 100% | 30.06 | 1018.7 | |||||
| 20 | 00:56 | Calm | 10.00 | A Few Clouds | FEW100 | 70 | 70 | 100% | 30.08 | 1019.4 | |||||||
| 19 | 23:56 | Calm | 10.00 | Fair | CLR | 71.1 | 71.1 | 100% | 30.08 | 1019.3 | |||||||
| 19 | 22:56 | Calm | 10.00 | Fair | CLR | 72 | 70 | 94% | 30.08 | 1019.4 | |||||||
| 19 | 21:56 | Calm | 10.00 | Fair | CLR | 77 | 66 | 69% | 79 | 30.07 | 1019.2 | ||||||
| 19 | 20:56 | Calm | 10.00 | Fair | CLR | 77 | 64.9 | 66% | 79 | 30.07 | 1019.0 | ||||||
| 19 | 19:56 | Calm | 10.00 | Fair | CLR | 82.9 | 64.9 | 96.1 | 82.9 | 55% | 85 | 30.08 | 1019.5 | ||||
| 19 | 18:56 | NW 7 | 10.00 | Fair | CLR | 87.1 | 63 | 45% | 88 | 30.09 | 1019.6 | ||||||
| 19 | 17:56 | SW 7 | 10.00 | A Few Clouds | FEW110 | 91 | 63 | 39% | 92 | 30.08 | 1019.4 | ||||||
| 19 | 16:56 | NW 8 | 10.00 | Mostly Cloudy | BKN080 BKN100 | 93 | 64 | 38% | 95 | 30.08 | 1019.2 | ||||||
| 19 | 15:56 | W 7 | 10.00 | Partly Cloudy | SCT080 SCT110 | 91 | 64 | 41% | 93 | 30.09 | 1019.6 | ||||||
| 19 | 14:56 | SW 6 | 10.00 | A Few Clouds | FEW110 | 93.9 | 64 | 37% | 96 | 30.1 | 1020.1 | ||||||
| 19 | 12:56 | W 8 | 10.00 | Fair | CLR | 93 | 66 | 41% | 96 | 30.13 | 1020.9 | ||||||
| 19 | 11:56 | W 9 G 18 | 10.00 | Fair | CLR | 90 | 64.9 | 44% | 92 | 30.14 | 1021.5 | ||||||
| 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) | |||||||||||||||