Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
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.
16 04:56 S 12 G 20 6.00 Overcast with Haze OVC003 60.8 0 0% 29.71 1007.3
16 03:56 SE 14 G 18 7.00 Overcast OVC003 57.2 0 0% 29.74 1008.4
16 02:56 SE 9 10.00 Overcast OVC003 57.2 0 0% 29.79 1010.0
16 01:56 SE 13 4.00 Light Rain OVC003 55.4 0 55.9 48.9 0% 29.82 1011.1 0.04 0.25
16 00:56 E 9 G 16 3.00 Rain OVC005 53.6 0 0% 29.87 1012.8 0.21
15 23:56 Vrbl 6 10.00 Overcast BKN009 OVC013 50 50 100% 48 29.93 1014.9
15 22:56 E 10 10.00 Light Rain OVC017 50 48.9 96% 46 29.98 1016.8
15 21:56 E 6 10.00 Overcast BKN019 OVC027 50 45 83% 48 30.03 1018.5
15 20:56 Vrbl 5 10.00 Overcast OVC023 48.9 43 80% 48 30.07 1019.7
15 19:56 E 6 10.00 Overcast OVC025 48.9 41 54 48.9 74% 47 30.1 1020.8
15 18:56 Vrbl 6 10.00 Overcast OVC029 48.9 39 69% 47 30.12 1021.5
15 17:56 Vrbl 5 10.00 Light Rain OVC031 48.9 37.9 66% 48 30.14 1022.2
15 16:56 E 7 G 16 10.00 Overcast OVC033 52 34 50% 30.17 1023.1
15 15:56 SE 13 G 17 10.00 Overcast OVC037 53.1 34 48% 30.19 1023.7
15 14:56 SE 14 G 20 10.00 Overcast OVC042 53.1 35.1 51% 30.2 1024.3
15 13:56 SE 17 G 23 10.00 Overcast OVC042 53.1 33.1 54 41 47% 30.25 1026.0
15 12:56 SE 17 G 22 10.00 Overcast BKN040 OVC048 52 28.9 41% 30.29 1027.3
15 11:56 SE 13 G 23 10.00 Overcast OVC038 48 25 41% 43 30.31 1028.2
15 10:56 E 12 G 20 10.00 Overcast OVC040 46.9 23 39% 42 30.33 1028.8
15 09:56 SE 14 G 18 10.00 Overcast SCT045 OVC060 46 21.9 38% 40 30.33 1028.6
15 08:56 E 7 10.00 Overcast OVC047 44.1 23 43% 41 30.34 1029.0
15 07:56 Vrbl 6 10.00 A Few Clouds FEW047 41 21.9 43 39 47% 38 30.33 1028.6
15 06:56 E 3 10.00 Overcast OVC050 41 23 49% 30.33 1028.5
15 05:56 E 3 10.00 Mostly Cloudy BKN048 39.9 21 47% 30.31 1027.9
15 04:56 E 6 10.00 Fair CLR 42.1 19 40% 39 30.31 1028.1
15 03:56 E 5 10.00 Fair CLR 43 17.1 35% 41 30.31 1028.1
15 02:56 Calm 10.00 Fair CLR 43 17.1 35% 30.32 1028.3
15 01:56 Calm 10.00 Fair CLR 42.1 16 50 37.9 35% 30.32 1028.3
15 00:56 E 3 10.00 Fair CLR 39 21.9 50% 30.32 1028.3
14 23:56 Calm 10.00 Fair CLR 39.9 21 47% 30.31 1028.2
14 22:56 Calm 10.00 Fair CLR 41 19.9 43% 30.31 1027.9
14 21:56 Calm 10.00 Fair CLR 46.9 15.1 28% 30.28 1027.1
14 20:56 Calm 10.00 Fair CLR 48 14 25% 30.25 1025.8
14 19:56 Calm 10.00 Fair CLR 48.9 14 57.9 48.9 25% 30.21 1024.7
14 18:56 Calm 10.00 Fair CLR 54 12.9 19% 30.21 1024.4
14 17:56 NW 8 10.00 Fair CLR 55.9 12 17% 30.17 1023.1
14 16:56 W 12 G 20 10.00 Fair CLR 57.9 14 18% 30.15 1022.4
14 15:56 NW 17 G 24 10.00 Fair CLR 57 14 18% 30.16 1022.6
14 14:56 W 14 10.00 Fair CLR 55.9 12.9 18% 30.14 1022.2
14 13:56 W 15 G 21 10.00 Fair CLR 55 15.1 55 46.9 21% 30.15 1022.4
14 12:56 W 12 G 18 10.00 Fair CLR 54 16 22% 30.14 1022.2
14 11:56 NW 17 G 22 10.00 Fair CLR 51.1 18 27% 30.13 1021.9
14 10:56 W 13 G 23 10.00 Fair CLR 48 18 30% 43 30.11 1021.4
14 09:56 W 20 G 29 10.00 Fair CLR 46.9 18 31% 40 30.09 1020.5
14 08:56 NW 18 G 28 10.00 Fair CLR 48 16 28% 42 30.04 1018.9
14 07:56 W 15 G 20 10.00 Fair CLR 46.9 16 52 46 29% 41 30.01 1017.6
14 06:56 W 15 G 22 10.00 Fair CLR 48 12.9 24% 43 29.96 1016.1
14 05:56 W 17 G 23 10.00 Fair CLR 50 12 22% 45 29.91 1014.4
14 04:56 W 15 G 24 10.00 Fair CLR 51.1 10.9 20% 29.88 1013.2
14 03:56 W 10 10.00 Fair CLR 48 21.9 36% 44 29.86 1012.6
14 02:56 W 5 10.00 Fair CLR 48 28.9 48% 47 29.84 1012.0
14 01:56 SW 6 10.00 Fair CLR 48.9 28 52 48.9 44% 47 29.83 1011.5
14 00:56 W 9 10.00 Fair CLR 51.1 28.9 43% 29.81 1011.1
13 23:56 Vrbl 5 10.00 Fair CLR 50 28 43% 49 29.8 1010.6
13 22:56 SW 7 10.00 Fair CLR 52 28 40% 29.78 1010.0
13 21:56 SW 8 10.00 Fair CLR 52 28 40% 29.77 1009.5
13 20:56 SW 13 G 22 10.00 Fair CLR 52 28 40% 29.74 1008.8
13 19:56 S 12 G 18 10.00 Fair CLR 51.1 28 55 48 41% 29.73 1008.4
13 18:56 S 15 G 23 10.00 Fair CLR 52 28 40% 29.72 1008.2
13 17:56 S 16 G 23 10.00 Fair CLR 54 26.1 34% 29.74 1008.8
13 16:56 S 15 G 23 10.00 Fair CLR 55 26.1 33% 29.75 1009.2
13 15:56 S 17 G 30 10.00 Fair CLR 52 25 35% 29.79 1010.3
13 14:56 S 21 G 28 10.00 A Few Clouds and Breezy FEW120 48.9 24.1 38% 43 29.86 1013.1
13 13:56 S 16 G 33 10.00 Fair CLR 48 24.1 48.9 27 39% 42 29.96 1016.3
13 12:56 S 16 G 23 10.00 Mostly Cloudy BKN110 48 25 41% 42 30 1017.7
13 11:56 S 17 G 25 10.00 Partly Cloudy SCT120 46 24.1 42% 40 30.09 1020.6
13 10:56 S 13 G 25 10.00 Overcast OVC100 43 25 49% 37 30.12 1021.6
13 09:56 S 13 G 17 10.00 Mostly Cloudy BKN120 41 26.1 55% 34 30.15 1022.7
13 08:56 S 8 10.00 Partly Cloudy SCT120 35.1 27 72% 29 30.16 1023.2
13 07:56 SE 3 10.00 Fair CLR 27 24.1 27 23 89% 30.16 1023.5
13 06:56 SE 5 10.00 Fair CLR 25 23 92% 20 30.16 1023.2
13 05:56 SE 3 10.00 Fair CLR 24.1 21 88% 30.15 1022.9
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)