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.
17 20:56 W 16 G 26 10.00 Fair CLR 30 10 43% 19 30.19 1024.4
17 19:56 W 15 G 23 10.00 Fair CLR 30.9 12 39.9 30.9 45% 21 30.14 1022.7
17 18:56 W 24 G 31 10.00 Partly Cloudy and Breezy FEW060 SCT090 34 10.9 38% 22 30.09 1021.1
17 17:56 W 12 10.00 Mostly Cloudy BKN065 35.1 12 38% 28 30.04 1019.4
17 16:56 NW 14 G 25 10.00 Partly Cloudy FEW065 SCT085 37 10.9 34% 29 30.01 1018.2
17 15:56 NW 15 G 24 10.00 Mostly Cloudy BKN065 37.9 12.9 36% 30 30 1017.7
17 14:56 W 14 G 23 10.00 Mostly Cloudy BKN070 39 16 39% 32 29.98 1017.2
17 13:56 W 12 G 21 10.00 Overcast OVC060 36 15.1 37.9 28 42% 29 29.99 1017.4
17 12:56 W 10 G 24 10.00 Mostly Cloudy BKN060 36 16 44% 29 30 1017.6
17 11:56 NW 14 G 18 10.00 Mostly Cloudy BKN047 35.1 19 52% 27 29.99 1017.6
17 10:56 NW 13 G 20 10.00 Mostly Cloudy BKN047 34 19 54% 26 30 1017.9
17 09:56 NW 16 G 30 10.00 Fair CLR 32 18 56% 22 29.98 1017.2
17 08:56 W 14 10.00 Mostly Cloudy BKN055 30.9 17.1 56% 21 29.96 1016.5
17 07:56 W 8 10.00 Fair CLR 28 17.1 33.1 27 63% 21 29.92 1014.8
17 06:56 W 9 10.00 Partly Cloudy SCT049 28 18 66% 20 29.88 1013.6
17 05:56 W 20 G 26 10.00 Partly Cloudy SCT048 28.9 17.1 61% 17 29.84 1012.1
17 04:56 W 21 G 25 10.00 Partly Cloudy and Breezy SCT049 30 17.1 58% 18 29.79 1010.4
17 03:56 W 25 G 31 10.00 Fair and Breezy CLR 30.9 18 59% 18 29.76 1009.3
17 02:56 W 22 G 30 10.00 A Few Clouds and Breezy FEW049 32 19.9 61% 20 29.74 1008.6
17 01:56 W 17 G 30 10.00 Fair CLR 33.1 21 63 33.1 61% 23 29.69 1006.8 0.46
17 00:56 W 17 G 24 10.00 A Few Clouds FEW039 34 26.1 73% 24 29.63 1004.9
16 23:56 W 15 G 24 10.00 Mostly Cloudy BKN022 34 34 100% 25 29.58 1003.2
16 22:56 W 16 G 21 8.00 Light Snow OVC008 33.8 0 0% 24 29.52 1001.2 0.14 0.46
16 21:56 NW 22 G 32 9.00 Rain and Breezy BKN016 OVC055 39 39 100% 29 29.47 999.2 0.12
16 20:56 NW 20 G 36 4.00 Light Rain Fog/Mist BKN011 BKN017 OVC027 43 43 100% 35 29.37 996.0 0.2
16 19:56 S 13 G 24 10.00 Overcast BKN023 OVC036 63 62.1 63 60.1 97% 29.28 992.5 0.13
16 18:56 S 14 G 25 10.00 Overcast FEW009 BKN013 OVC020 62.6 0 0% 29.3 993.5
16 17:56 SE 14 10.00 Light Rain OVC007 62.6 0 0% 29.34 994.6
16 16:56 SE 15 10.00 Light Rain BKN013 BKN040 OVC110 60.8 0 0% 29.39 996.4 0.13
16 15:56 S 12 G 21 10.00 Mostly Cloudy FEW016 SCT080 BKN110 60.1 60.1 100% 29.43 997.8
16 14:56 S 8 10.00 Overcast FEW011 OVC075 60.8 0 0% 29.47 999.0 0.13
16 13:56 S 12 G 20 6.00 Rain FEW015 SCT050 OVC065 62.6 0 68 62.1 0% 29.49 999.8 0.33 0.39
16 12:56 S 14 G 20 10.00 Light Rain FEW018 BKN027 OVC075 66 64.9 96% 29.55 1001.8 0.05
16 11:56 S 14 G 25 10.00 Overcast OVC015 66 66 100% 29.55 1001.9
16 10:56 S 14 G 21 10.00 Overcast OVC017 66.9 66.9 100% 29.59 1003.2 0.01
16 09:56 S 8 G 21 10.00 Overcast OVC011 64.4 0 0% 29.62 1004.0 0.01
16 08:56 S 13 10.00 Overcast OVC011 64.4 0 0% 29.63 1004.4
16 07:56 S 14 G 21 10.00 Overcast OVC007 62.6 0 63 55.9 0% 29.64 1005.0 0.01
16 06:56 SE 14 10.00 Overcast OVC005 60.8 0 0% 29.65 1005.4 0.01
16 05:56 SE 13 8.00 Overcast OVC003 60.8 0 0% 29.68 1006.5
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
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)