Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
17 17:56 W 19 16.09 Mostly Cloudy BKN065 1.7 -11.1 38% -2 76.3 1019.4
17 16:56 NW 22 G 41 16.09 Partly Cloudy FEW065 SCT085 2.8 -11.7 34% -2 76.23 1018.2
17 15:56 NW 24 G 39 16.09 Mostly Cloudy BKN065 3.3 -10.6 36% -1 76.2 1017.7
17 14:56 W 22 G 37 16.09 Mostly Cloudy BKN070 3.9 -8.9 39% -0 76.15 1017.2
17 13:56 W 19 G 33 16.09 Overcast OVC060 2.2 -9.4 3.3 -2.2 42% -2 76.17 1017.4
17 12:56 W 17 G 39 16.09 Mostly Cloudy BKN060 2.2 -8.9 44% -2 76.2 1017.6
17 11:56 NW 22 G 30 16.09 Mostly Cloudy BKN047 1.7 -7.2 52% -3 76.17 1017.6
17 10:56 NW 20 G 31 16.09 Mostly Cloudy BKN047 1.1 -7.2 54% -3 76.2 1017.9
17 09:56 NW 26 G 48 16.09 Fair CLR 0 -7.8 56% -6 76.15 1017.2
17 08:56 W 22 16.09 Mostly Cloudy BKN055 -0.6 -8.3 56% -6 76.1 1016.5
17 07:56 W 13 16.09 Fair CLR -2.2 -8.3 0.6 -2.8 63% -6 76 1014.8
17 06:56 W 15 16.09 Partly Cloudy SCT049 -2.2 -7.8 66% -7 75.9 1013.6
17 05:56 W 31 G 43 16.09 Partly Cloudy SCT048 -1.7 -8.3 61% -8 75.79 1012.1
17 04:56 W 33 G 41 16.09 Partly Cloudy and Breezy SCT049 -1.1 -8.3 58% -8 75.67 1010.4
17 03:56 W 41 G 50 16.09 Fair and Breezy CLR -0.6 -7.8 59% -8 75.59 1009.3
17 02:56 W 35 G 48 16.09 A Few Clouds and Breezy FEW049 0 -6.7 61% -7 75.54 1008.6
17 01:56 W 28 G 48 16.09 Fair CLR 0.6 -6.1 17.2 0.6 61% -5 75.41 1006.8 1.17
17 00:56 W 28 G 39 16.09 A Few Clouds FEW039 1.1 -3.3 73% -4 75.26 1004.9
16 23:56 W 24 G 39 16.09 Mostly Cloudy BKN022 1.1 1.1 100% -4 75.13 1003.2
16 22:56 W 26 G 33 12.87 Light Snow OVC008 1 0 0% -4 74.98 1001.2 0.36 1.17
16 21:56 NW 35 G 52 14.48 Rain and Breezy BKN016 OVC055 3.9 3.9 100% -1 74.85 999.2 0.3
16 20:56 NW 31 G 57 6.44 Light Rain Fog/Mist BKN011 BKN017 OVC027 6.1 6.1 100% 2 74.6 996.0 0.51
16 19:56 S 20 G 39 16.09 Overcast BKN023 OVC036 17.2 16.7 17.2 15.6 97% 74.37 992.5 0.33
16 18:56 S 22 G 41 16.09 Overcast FEW009 BKN013 OVC020 17 0 0% 74.42 993.5
16 17:56 SE 22 16.09 Light Rain OVC007 17 0 0% 74.52 994.6
16 16:56 SE 24 16.09 Light Rain BKN013 BKN040 OVC110 16 0 0% 74.65 996.4 0.33
16 15:56 S 19 G 33 16.09 Mostly Cloudy FEW016 SCT080 BKN110 15.6 15.6 100% 74.75 997.8
16 14:56 S 13 16.09 Overcast FEW011 OVC075 16 0 0% 74.85 999.0 0.33
16 13:56 S 19 G 31 9.66 Rain FEW015 SCT050 OVC065 17 0 20 16.7 0% 74.9 999.8 0.84 0.99
16 12:56 S 22 G 31 16.09 Light Rain FEW018 BKN027 OVC075 18.9 18.3 96% 75.06 1001.8 0.13
16 11:56 S 22 G 41 16.09 Overcast OVC015 18.9 18.9 100% 75.06 1001.9
16 10:56 S 22 G 33 16.09 Overcast OVC017 19.4 19.4 100% 75.16 1003.2 0.03
16 09:56 S 13 G 33 16.09 Overcast OVC011 18 0 0% 75.23 1004.0 0.03
16 08:56 S 20 16.09 Overcast OVC011 18 0 0% 75.26 1004.4
16 07:56 S 22 G 33 16.09 Overcast OVC007 17 0 17.2 13.3 0% 75.29 1005.0 0.03
16 06:56 SE 22 16.09 Overcast OVC005 16 0 0% 75.31 1005.4 0.03
16 05:56 SE 20 12.87 Overcast OVC003 16 0 0% 75.39 1006.5
16 04:56 S 19 G 31 9.66 Overcast with Haze OVC003 16 0 0% 75.46 1007.3
16 03:56 SE 22 G 30 11.27 Overcast OVC003 14 0 0% 75.54 1008.4
16 02:56 SE 15 16.09 Overcast OVC003 14 0 0% 75.67 1010.0
16 01:56 SE 20 6.44 Light Rain OVC003 13 0 13.3 9.4 0% 75.74 1011.1 0.1 0.64
16 00:56 E 15 G 26 4.83 Rain OVC005 12 0 0% 75.87 1012.8 0.53
15 23:56 Vrbl 9 16.09 Overcast BKN009 OVC013 10 10 100% 9 76.02 1014.9
15 22:56 E 17 16.09 Light Rain OVC017 10 9.4 96% 8 76.15 1016.8
15 21:56 E 9 16.09 Overcast BKN019 OVC027 10 7.2 83% 9 76.28 1018.5
15 20:56 Vrbl 7 16.09 Overcast OVC023 9.4 6.1 80% 9 76.38 1019.7
15 19:56 E 9 16.09 Overcast OVC025 9.4 5 12.2 9.4 74% 8 76.45 1020.8
15 18:56 Vrbl 9 16.09 Overcast OVC029 9.4 3.9 69% 8 76.5 1021.5
15 17:56 Vrbl 7 16.09 Light Rain OVC031 9.4 3.3 66% 9 76.56 1022.2
15 16:56 E 11 G 26 16.09 Overcast OVC033 11.1 1.1 50% 76.63 1023.1
15 15:56 SE 20 G 28 16.09 Overcast OVC037 11.7 1.1 48% 76.68 1023.7
15 14:56 SE 22 G 31 16.09 Overcast OVC042 11.7 1.7 51% 76.71 1024.3
15 13:56 SE 28 G 37 16.09 Overcast OVC042 11.7 0.6 12.2 5 47% 76.84 1026.0
15 12:56 SE 28 G 35 16.09 Overcast BKN040 OVC048 11.1 -1.7 41% 76.94 1027.3
15 11:56 SE 20 G 37 16.09 Overcast OVC038 8.9 -3.9 41% 6 76.99 1028.2
15 10:56 E 19 G 31 16.09 Overcast OVC040 8.3 -5 39% 6 77.04 1028.8
15 09:56 SE 22 G 30 16.09 Overcast SCT045 OVC060 7.8 -5.6 38% 5 77.04 1028.6
15 08:56 E 11 16.09 Overcast OVC047 6.7 -5 43% 5 77.06 1029.0
15 07:56 Vrbl 9 16.09 A Few Clouds FEW047 5 -5.6 6.1 3.9 47% 3 77.04 1028.6
15 06:56 E 6 16.09 Overcast OVC050 5 -5 49% 77.04 1028.5
15 05:56 E 6 16.09 Mostly Cloudy BKN048 4.4 -6.1 47% 76.99 1027.9
15 04:56 E 9 16.09 Fair CLR 5.6 -7.2 40% 4 76.99 1028.1
15 03:56 E 7 16.09 Fair CLR 6.1 -8.3 35% 5 76.99 1028.1
15 02:56 Calm 16.09 Fair CLR 6.1 -8.3 35% 77.01 1028.3
15 01:56 Calm 16.09 Fair CLR 5.6 -8.9 10 3.3 35% 77.01 1028.3
15 00:56 E 6 16.09 Fair CLR 3.9 -5.6 50% 77.01 1028.3
14 23:56 Calm 16.09 Fair CLR 4.4 -6.1 47% 76.99 1028.2
14 22:56 Calm 16.09 Fair CLR 5 -6.7 43% 76.99 1027.9
14 21:56 Calm 16.09 Fair CLR 8.3 -9.4 28% 76.91 1027.1
14 20:56 Calm 16.09 Fair CLR 8.9 -10 25% 76.84 1025.8
14 19:56 Calm 16.09 Fair CLR 9.4 -10 14.4 9.4 25% 76.73 1024.7
14 18:56 Calm 16.09 Fair CLR 12.2 -10.6 19% 76.73 1024.4
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)