Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Metric (Imperial)
Date Time (est) 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.
05 17:56 S 15 16.09 Overcast BKN014 OVC032 21.1 20.6 97% 75.92 1013.1
05 16:56 S 15 16.09 Overcast BKN014 BKN019 OVC048 21.1 20.6 97% 75.87 1012.5
05 15:56 S 17 16.09 Overcast BKN018 BKN023 OVC034 22.2 20 87% 75.87 1012.4
05 14:56 S 19 G 26 16.09 Overcast BKN021 OVC026 22.8 19.4 81% 75.87 1012.4
05 13:56 S 19 16.09 Overcast BKN025 OVC036 23.3 18.9 76% 75.87 1012.5
05 12:56 S 13 16.09 Overcast BKN021 OVC028 23.3 18.9 76% 75.92 1013.1
05 11:56 S 15 16.09 Overcast OVC020 21.7 19.4 87% 75.97 1013.9
05 10:56 S 15 16.09 Overcast OVC018 21.7 20 90% 76.02 1014.6
05 09:56 S 9 16.09 Overcast OVC012 20 20 100% 76.05 1014.9
05 08:56 S 7 16.09 Overcast OVC008 19.4 19.4 100% 76.07 1015.3
05 07:56 S 17 16.09 NULL NULL 18.9 18.9 100% 76.05 1014.8
05 05:56 S 11 16.09 Light Rain OVC013 18 0 0% 76.02 1014.5
05 04:56 S 11 16.09 Light Rain OVC011 18.3 18.3 100% 76.02 1014.7
05 03:56 SE 11 16.09 Overcast OVC013 18 0 0% 76.05 1014.7 0.03 0.05
05 02:56 S 13 16.09 Light Rain BKN031 OVC047 17.8 17.8 100% 76.1 1015.4
05 01:56 SE 11 16.09 Light Rain FEW028 BKN037 OVC049 17.8 17.8 100% 76.12 1015.8 0.03
05 00:56 S 13 16.09 Rain BKN029 OVC043 17.8 17.8 19.4 17.2 100% 76.12 1016.1 0.05 0.05
04 23:56 SE 11 16.09 Overcast BKN037 OVC110 17.8 17.8 100% 76.17 1016.7
04 22:56 S 9 16.09 Mostly Cloudy FEW025 BKN120 17.8 17.2 96% 76.2 1016.9
04 21:56 SE 15 16.09 Partly Cloudy SCT019 17.8 16.1 90% 76.23 1017.3
04 20:56 SE 15 16.09 Fair CLR 17.8 16.7 93% 76.25 1017.7
04 19:56 SE 11 16.09 Fair CLR 18.3 16.7 90% 76.28 1018.2
04 18:56 S 11 16.09 Fair CLR 19.4 16.1 24.4 18.3 81% 76.33 1018.7
04 17:56 S 11 16.09 Fair CLR 18.9 15 78% 76.35 1019.2
04 16:56 SE 13 16.09 Fair CLR 20 13.9 68% 76.33 1018.8
04 15:56 SE 17 16.09 Fair CLR 22.2 12.8 55% 76.33 1018.9
04 14:56 S 20 16.09 Fair CLR 23.3 11.1 46% 76.38 1019.3
04 13:56 S 20 G 31 16.09 Fair CLR 23.9 10 42% 25 76.4 1019.8
04 12:56 S 15 16.09 Fair CLR 23.9 12.8 23.9 11.1 50% 25 76.45 1020.4
04 11:56 S 17 16.09 Fair CLR 23.9 14.4 55% 25 76.53 1021.2
04 10:56 S 11 16.09 Fair CLR 22.2 14.4 61% 76.58 1022.2
04 09:56 S 15 G 26 16.09 Fair CLR 19.4 14.4 73% 76.63 1022.8
04 08:56 S 13 16.09 Fair CLR 17.8 13.9 78% 76.66 1023.2
04 07:56 S 7 16.09 Fair CLR 14.4 13.9 97% 76.66 1023.4
04 06:56 SE 6 16.09 Fair CLR 11.7 11.7 13.3 11.1 100% 76.66 1023.2
04 05:56 SE 6 16.09 Fair CLR 12.2 12.2 100% 76.63 1023.0
04 04:56 S 7 16.09 Fair CLR 12.8 12.8 100% 76.66 1023.2
04 03:56 Calm 16.09 Fair CLR 11.7 11.7 100% 76.63 1023.1
04 02:56 SE 7 16.09 Fair CLR 12.8 12.8 100% 76.68 1023.5
04 01:56 SE 11 16.09 Fair CLR 13.3 12.2 93% 76.73 1024.0
04 00:56 SE 7 16.09 Fair CLR 13.3 12.8 16.1 13.3 97% 76.78 1024.8
03 23:56 SE 11 16.09 Fair CLR 13.9 13.3 96% 76.78 1025.0
03 22:56 SE 9 16.09 Fair CLR 14.4 13.3 93% 76.81 1025.3
03 21:56 SE 9 16.09 Fair CLR 13.3 12.2 93% 76.84 1025.5
03 20:56 SE 6 16.09 Fair CLR 15 12.8 87% 76.84 1025.6
03 19:56 SE 7 16.09 Fair CLR 16.1 12.2 78% 76.81 1025.3
03 18:56 Calm 16.09 Fair CLR 16.1 12.2 22.8 16.1 78% 76.81 1025.3
03 17:56 SE 7 16.09 Fair CLR 16.7 11.7 73% 76.78 1025.0
03 16:56 SE 7 16.09 Fair CLR 19.4 12.2 63% 76.76 1024.7
03 15:56 SE 11 16.09 Fair CLR 21.1 12.2 57% 76.78 1024.9
03 14:56 SE 11 16.09 Fair CLR 22.8 12.2 51% 76.78 1025.0
03 13:56 Vrbl 6 16.09 Fair CLR 22.8 11.7 50% 76.81 1025.4
03 12:56 SW 9 16.09 Fair CLR 22.2 11.1 22.2 7.2 50% 76.89 1026.1
03 11:56 S 13 16.09 Fair CLR 21.7 11.7 53% 76.94 1027.0
03 10:56 SW 11 16.09 Fair CLR 18.9 11.1 61% 77.01 1028.0
03 09:56 Vrbl 9 16.09 Fair CLR 16.7 10.6 67% 77.04 1028.4
03 08:56 Vrbl 11 16.09 Fair CLR 14.4 10 75% 77.06 1028.7
03 07:56 SE 9 16.09 Fair CLR 10.6 9.4 92% 77.04 1028.7
03 06:56 Calm 14.48 Fair CLR 7.2 7.2 8.9 6.1 100% 77.04 1028.4
03 05:56 SE 7 16.09 Fair CLR 6.7 6.7 100% 6 76.99 1028.1
03 04:56 Calm 16.09 Fair CLR 6.7 6.7 100% 76.99 1027.9
03 03:56 Calm 16.09 Fair CLR 6.1 6.1 100% 76.96 1027.6
03 02:56 Calm 16.09 Fair CLR 7.2 7.2 100% 76.96 1027.6
03 01:56 SE 7 16.09 Fair CLR 8.9 8.9 100% 8 76.99 1027.9
03 00:56 SE 7 16.09 Fair CLR 7.8 7.8 12.8 7.2 100% 7 77.01 1028.3
02 23:56 Calm 16.09 Fair CLR 7.2 7.2 100% 77.06 1028.9
02 22:56 SE 6 16.09 Fair CLR 10 7.8 86% 77.09 1029.1
02 21:56 S 6 16.09 Fair CLR 10.6 6.7 77% 77.14 1029.8
02 20:56 Calm 16.09 Fair CLR 8.9 7.2 89% 77.14 1029.9
02 19:56 SE 7 16.09 Fair CLR 11.1 6.7 75% 77.11 1029.8
02 18:56 SE 7 16.09 Fair CLR 11.7 7.8 17.2 11.7 77% 77.11 1029.7
Date Time (est) 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)