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.
10 02:56 W 7 16.09 Fair CLR 21 0 0% 75.87 1012.5
10 01:56 Calm 6.44 Fair with Haze CLR 21 0 24.4 21.1 0% 75.87 1012.4
10 00:56 W 6 12.87 Fair CLR 22 0 0% 75.92 1012.8
09 23:56 W 6 16.09 Fair CLR 22 0 0% 75.92 1013.1
09 22:56 Calm 16.09 Fair CLR 22 0 0% 75.95 1013.5
09 21:56 W 7 16.09 Fair CLR 22 0 0% 75.92 1013.2
09 20:56 W 6 16.09 A Few Clouds FEW100 23 0 0% 75.9 1012.8
09 19:56 Calm 16.09 Fair CLR 24 0 31.1 22.2 0% 75.87 1012.4 1.45
09 18:56 W 6 16.09 Fair CLR 23 0 0% 75.82 1011.6 0.13
09 17:56 W 11 8.05 Light Rain SCT011 BKN075 OVC090 23 0 0% 75.92 1013.2 0.13
09 16:56 SW 7 16.09 Thunderstorm in Vicinity Light Rain BKN100 BKN110 23 0 0% 75.87 1012.5 0.25 1.19
09 15:56 Calm 9.66 Thunderstorm in Vicinity Light Rain FEW031 BKN080 OVC100 23 0 0% 75.92 1013.0 0.94
09 14:56 NW 30 G 46 6.44 Thunderstorm Haze SCT028 BKN038 OVC110 26.1 22.2 79% 28 76 1013.9
09 13:56 Vrbl 9 16.09 Thunderstorm in Vicinity SCT025 30.6 23.9 31.1 24.4 67% 36 75.97 1013.6
09 12:56 S 7 16.09 Overcast OVC017 28.9 25.6 82% 35 76.02 1014.2
09 11:56 S 17 16.09 Overcast BKN011 OVC031 26.7 26.1 97% 30 76.07 1015.1
09 10:56 S 9 16.09 Overcast OVC011 26.1 25.6 97% 29 76.12 1015.5
09 09:56 S 11 16.09 Overcast OVC009 26.1 26.1 100% 29 76.12 1015.6
09 08:56 SW 7 16.09 Overcast OVC007 25 25 100% 25 76.15 1015.9
09 07:56 SW 9 16.09 Overcast OVC007 24 0 24.4 23.3 0% 76.15 1015.9
09 06:56 S 6 16.09 Overcast OVC007 24 0 0% 76.12 1015.8
09 05:56 S 9 16.09 Overcast OVC007 24 0 0% 76.12 1015.7
09 04:56 S 7 16.09 Overcast BKN009 OVC014 24 0 0% 76.15 1015.9
09 03:56 S 6 11.27 Mostly Cloudy SCT009 BKN019 23 0 0% 76.15 1016.1
09 02:56 S 9 16.09 Mostly Cloudy SCT032 BKN100 23.3 23.3 100% 76.17 1016.1
09 01:56 S 7 16.09 Overcast OVC026 23.9 23.9 25 22.8 100% 22 76.17 1016.5
09 00:56 S 7 16.09 Fair CLR 23.3 23.3 100% 76.23 1016.9
08 23:56 S 7 16.09 A Few Clouds FEW095 23.9 23.9 100% 22 76.23 1017.1
08 22:56 S 6 16.09 Fair CLR 24.4 23.9 97% 24 76.25 1017.2
08 21:56 Calm 16.09 Fair CLR 23.9 23.9 100% 22 76.23 1017.2
08 20:56 Calm 12.87 Fair CLR 23.9 23.9 100% 22 76.25 1017.4
08 19:56 Calm 16.09 Fair CLR 25 23.9 28.9 25 94% 26 76.23 1017.1
08 18:56 SW 7 16.09 Overcast OVC028 27.2 22.2 74% 30 76.25 1017.5
08 17:56 Calm 16.09 Overcast SCT030 OVC041 27.2 22.8 77% 30 76.23 1017.1
08 16:56 S 9 16.09 Overcast SCT028 OVC034 28.3 21.7 67% 31 76.25 1017.5
08 15:56 SE 11 16.09 Overcast OVC028 26.7 22.2 76% 29 76.3 1018.0
08 14:56 SE 6 16.09 Overcast BKN024 OVC035 27.2 21.7 72% 29 76.38 1018.9
08 13:56 Calm 16.09 Overcast BKN016 OVC022 25.6 22.8 25.6 20.6 85% 27 76.43 1019.9
08 12:56 Calm 16.09 Overcast FEW015 OVC023 24.4 22.2 88% 25 76.48 1020.4
08 11:56 Calm 16.09 Overcast OVC014 23.9 22.2 90% 23 76.48 1020.7
08 10:56 Vrbl 7 12.87 Overcast OVC009 23.3 22.8 97% 76.45 1020.2
08 09:56 E 7 16.09 Overcast OVC007 22 0 0% 76.43 1020.0
08 08:56 Calm 16.09 Overcast OVC007 21 0 0% 76.43 1019.9
08 07:56 Calm 16.09 Overcast OVC007 21 0 21.7 20.6 0% 76.43 1019.7 0.28
08 06:56 Calm 8.05 Overcast with Haze OVC005 21 0 0% 76.38 1019.3
08 05:56 Calm 9.66 Overcast with Haze BKN005 OVC009 21 0 0% 76.38 1019.0 0.03
08 04:56 Calm 4.02 Rain BKN005 OVC026 21 0 0% 76.33 1018.6 0.23 0.25
08 03:56 Calm 11.27 Light Rain OVC022 22 0 0% 76.33 1018.5 0.03
08 02:56 Vrbl 6 9.66 Overcast with Haze BKN017 OVC024 22 0 0% 76.33 1018.6
08 01:56 Vrbl 6 8.05 Overcast with Haze OVC022 22 0 26.1 21.7 0% 76.33 1018.4 0.97
08 00:56 Vrbl 6 8.05 Overcast with Haze OVC020 22 0 0% 76.33 1018.4
07 23:56 Vrbl 6 6.44 Mostly Cloudy with Haze BKN007 BKN047 BKN070 23 0 0% 76.33 1018.4 0.03
07 22:56 Vrbl 6 4.83 Light Rain SCT022 BKN041 OVC110 23 0 0% 76.33 1018.6 0.94 0.94
07 21:56 E 7 16.09 Overcast BKN014 BKN024 OVC035 24.4 24.4 100% 24 76.3 1018.1
07 20:56 SE 6 16.09 Overcast FEW019 OVC026 26.1 25 94% 28 76.25 1017.3
07 19:56 Calm 16.09 A Few Clouds FEW100 26.7 24.4 27.8 25 87% 30 76.2 1016.7
07 18:56 NW 6 16.09 Fair CLR 27.2 23.3 79% 30 76.23 1016.9
07 17:56 Calm 16.09 Fair CLR 26.1 24.4 90% 28 76.2 1016.8
07 16:56 Calm 16.09 Mostly Cloudy BKN026 27.2 23.9 82% 30 76.23 1017.0
07 15:56 Calm 16.09 Overcast OVC018 26.7 23.9 85% 29 76.25 1017.4
07 14:56 Calm 16.09 Overcast OVC018 25 24.4 96% 25 76.28 1017.8
07 13:56 Vrbl 6 16.09 Overcast OVC011 25.6 23.9 25.6 21.7 90% 27 76.3 1018.0 0.03
07 12:56 Calm 16.09 Overcast OVC009 23.9 23.9 100% 22 76.33 1018.6
07 11:56 Calm 16.09 Overcast OVC007 23.3 23.3 100% 76.35 1018.8
07 10:56 Calm 11.27 Overcast OVC005 23 0 0% 76.35 1018.9 0.03 0.03
07 09:56 Calm 4.83 Fog/Mist OVC003 22 0 0% 76.33 1018.5
07 08:56 Calm 2.82 Fog/Mist OVC003 22 0 0% 76.33 1018.6
07 07:56 Vrbl 6 2.82 Fog/Mist OVC003 22 0 22.8 21.7 0% 76.3 1018.1
07 06:56 Calm 2.01 Fog/Mist OVC003 22 0 0% 76.28 1017.6
07 05:56 Calm 1.21 Fog/Mist OVC003 22 0 0% 76.23 1016.9
07 04:56 Vrbl 6 2.01 Fog/Mist OVC003 22 0 0% 76.17 1016.5
07 03:56 Vrbl 6 4.02 Fog/Mist OVC003 22 0 0% 76.17 1016.3
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)