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.
01 17:56 Calm 16.09 Fair CLR 21.1 5.6 37% 76.68 1023.6
01 16:56 Vrbl 6 16.09 Fair CLR 22.8 5.6 33% 76.66 1023.0
01 15:56 Vrbl 11 16.09 Fair CLR 22.8 6.7 35% 76.66 1022.9
01 14:56 Vrbl 7 16.09 Fair CLR 23.3 7.8 37% 76.66 1023.0
01 13:56 Vrbl 6 16.09 Fair CLR 22.2 7.2 22.8 13.9 38% 76.68 1023.4
01 12:56 Vrbl 6 16.09 Fair CLR 22.2 8.3 41% 76.73 1024.0
01 11:56 Vrbl 6 16.09 Fair CLR 20.6 8.3 45% 76.73 1024.1
01 10:56 Vrbl 9 11.27 Fair CLR 20 8.3 47% 76.73 1024.1
01 09:56 Vrbl 6 16.09 Fair CLR 18.3 8.9 54% 76.68 1023.6
01 08:56 Vrbl 9 16.09 Fair CLR 16.1 7.8 58% 76.63 1022.9
01 07:56 Vrbl 6 16.09 Fair CLR 13.9 8.3 17.2 13.3 69% 76.61 1022.7
01 06:56 Calm 16.09 Fair CLR 14.4 8.9 70% 76.56 1021.9
01 05:56 Vrbl 6 16.09 Fair CLR 14.4 9.4 72% 76.5 1021.0
01 04:56 Calm 16.09 Fair CLR 15 10 72% 76.45 1020.4
01 03:56 Calm 16.09 Fair CLR 16.1 12.2 78% 76.43 1019.9
01 02:56 Calm 16.09 Fair CLR 17.2 12.2 73% 76.38 1019.4
01 01:56 Calm 16.09 Fair CLR 17.2 13.9 18.3 16.1 81% 76.38 1019.1
01 00:56 Calm 16.09 Fair CLR 16.7 15 90% 76.33 0.0
30 23:56 Calm 16.09 Fair CLR 16.7 16.1 96% 76.33 0.0
30 21:56 Calm 16.09 Fair CLR 17.8 15 84% 76.35 0.0
30 20:56 Calm 16.09 Fair CLR 18.3 14.4 78% 76.38 0.0
30 19:56 Calm 16.09 Fair CLR 18.3 14.4 23.3 18.3 78% 76.35 0.0
30 18:56 Calm 16.09 Fair CLR 18.9 13.9 73% 76.35 0.0
30 17:56 Calm 16.09 Fair CLR 20 15.6 76% 76.33 0.0
30 16:56 Calm 16.09 Fair CLR 21.1 15 68% 76.33 0.0
30 15:56 Vrbl 6 16.09 Fair CLR 22.2 14.4 61% 76.35 0.0
30 14:56 Calm 16.09 Fair CLR 23.3 16.1 64% 76.4 0.0
30 13:56 Vrbl 7 16.09 Fair CLR 23.3 17.2 69% 76.43 0.0
30 12:56 NW 7 16.09 Fair CLR 22.2 17.2 73% 76.5 0.0
30 11:56 Calm 16.09 NULL NULL 21.7 17.8 79% 76.56 0.0
30 08:56 SE 7 16.09 Overcast FEW090 OVC120 18.9 18.9 100% 76.58 1022.0
30 07:56 Calm 16.09 A Few Clouds FEW120 18.3 18.3 18.9 17.8 100% 76.53 1021.4
30 06:56 Calm 16.09 Partly Cloudy SCT120 18 0 0% 76.5 1020.8
30 05:56 Calm 16.09 Overcast OVC120 18 0 0% 76.5 1021.0
30 04:56 Calm 16.09 Mostly Cloudy BKN120 18 0 0% 76.53 1021.3
30 03:56 Calm 16.09 A Few Clouds FEW110 18 0 0% 76.56 1021.6
30 02:56 Calm 16.09 A Few Clouds FEW120 18 0 0% 76.61 1022.4
30 01:56 Calm 16.09 Light Rain BKN120 19 0 21.7 18.9 0% 76.63 1022.6
30 00:56 Calm 16.09 Mostly Cloudy BKN110 20 20 100% 76.63 1022.8
29 23:56 Calm 16.09 Fair CLR 19 0 0% 76.66 1023.2
29 22:56 Calm 16.09 Fair CLR 19.4 19.4 100% 76.68 1023.5
29 21:56 Calm 16.09 Fair CLR 20 20 100% 76.68 1023.4
29 20:56 Calm 16.09 Fair CLR 21.1 20 93% 76.68 1023.3
29 19:56 Vrbl 6 16.09 Mostly Cloudy FEW070 BKN110 21.7 20 26.1 21.1 90% 76.71 1023.6
29 18:56 Calm 16.09 Fair CLR 21.7 20.6 94% 76.71 1023.8
29 17:56 Calm 16.09 Fair CLR 22.8 21.7 94% 76.71 1023.7
29 16:56 Calm 16.09 Fair CLR 24.4 18.3 69% 25 76.73 1023.8
29 15:56 Calm 16.09 Fair CLR 24.4 17.2 64% 25 76.73 1023.8
29 14:56 Vrbl 6 16.09 Fair CLR 25.6 17.8 62% 27 76.73 1024.1
29 13:56 Calm 16.09 Fair CLR 24.4 17.8 25 18.3 67% 25 76.76 1024.4
29 12:56 Calm 16.09 Fair CLR 23.9 17.8 69% 25 76.78 1024.8
29 11:56 Vrbl 6 16.09 Fair CLR 22.8 17.2 71% 76.81 1025.0
29 10:56 Vrbl 7 16.09 Fair CLR 22.8 18.3 76% 76.81 1025.1
29 09:56 Vrbl 6 16.09 Fair CLR 21.1 17.2 79% 76.78 1024.8
29 08:56 Calm 16.09 Fair CLR 19.4 18.9 97% 76.78 1024.7
29 07:56 Calm 16.09 Fair CLR 18.3 18.3 18.3 16.1 100% 76.76 1024.5
29 06:56 Calm 16.09 Fair CLR 17 0 0% 76.68 1023.4
29 05:56 Calm 16.09 Fair CLR 17 0 0% 76.63 1022.9
29 04:56 Calm 16.09 Fair CLR 17 0 0% 76.61 1022.6
29 03:56 Calm 16.09 Fair CLR 16 0 0% 76.61 1022.5
29 02:56 Calm 16.09 Fair CLR 17 0 0% 76.63 1022.7
29 01:56 Calm 16.09 Fair CLR 17 0 20 16.7 0% 76.63 1022.8
29 00:56 Calm 16.09 Fair CLR 17 0 0% 76.63 1022.8
28 23:56 SE 9 16.09 Fair CLR 17 0 0% 76.63 1022.7
28 22:56 Calm 16.09 Fair CLR 18 0 0% 76.63 1022.8
28 21:56 Calm 16.09 Fair CLR 18 0 0% 76.61 1022.2
28 20:56 Calm 16.09 Fair CLR 19.4 19.4 100% 76.61 1022.4
28 19:56 Calm 16.09 Fair CLR 20 20 28.9 20 100% 76.56 1021.7
28 18:56 Calm 16.09 Fair CLR 22.8 18.9 79% 76.53 1021.1
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)