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.
26 04:56 Calm 16.09 Overcast OVC080 18.9 16.7 87% 76.12 1015.9
26 03:56 Calm 16.09 Overcast BKN060 OVC085 17.8 17.8 100% 76.1 1015.8
26 02:56 Calm 16.09 Mostly Cloudy SCT060 BKN090 17.8 17.8 100% 76.15 1016.2
26 01:56 Calm 16.09 Partly Cloudy SCT060 18.3 17.2 25 18.3 93% 76.17 1016.6
26 00:56 SE 7 16.09 Mostly Cloudy BKN090 19.4 16.1 81% 76.2 1016.8
25 23:56 S 6 16.09 Fair CLR 21.1 15 68% 76.23 1017.2
25 22:56 SE 9 16.09 Mostly Cloudy BKN100 21.1 15.6 71% 76.25 1017.4
25 21:56 Vrbl 6 16.09 Overcast OVC046 22.2 16.1 68% 76.25 1017.8
25 20:56 Calm 16.09 Overcast OVC042 23.3 15.6 62% 76.23 1017.3
25 19:56 Calm 16.09 Mostly Cloudy BKN037 BKN050 25 17.2 27.8 24.4 62% 26 76.23 1017.3
25 18:56 W 6 16.09 Mostly Cloudy SCT042 BKN050 27.2 17.8 57% 28 76.25 1017.4
25 17:56 NW 6 16.09 A Few Clouds FEW048 25.6 17.8 62% 27 76.28 1017.8
25 16:56 SW 7 16.09 Overcast BKN035 OVC045 25 17.8 64% 26 76.3 1018.1
25 15:56 Calm 16.09 Overcast OVC046 26.7 17.2 56% 27 76.33 1018.7
25 14:56 Calm 16.09 Overcast OVC044 26.1 16.1 54% 27 76.35 1018.9
25 13:56 Calm 16.09 Overcast OVC044 26.1 17.2 27.8 19.4 58% 27 76.4 1019.6
25 12:56 SE 11 16.09 Mostly Cloudy BKN039 26.1 16.7 56% 27 76.45 1020.2
25 11:56 Calm 16.09 Fair CLR 25 16.7 60% 26 76.48 1020.7
25 10:56 SE 11 16.09 Mostly Cloudy BKN032 23.9 16.1 62% 25 76.5 1020.9
25 09:56 Calm 16.09 Overcast SCT023 BKN029 OVC070 21.7 17.2 76% 76.56 1021.8
25 08:56 Calm 16.09 A Few Clouds FEW025 21.1 18.3 84% 76.58 1022.1
25 07:56 Calm 16.09 Overcast OVC060 19.4 18.9 20 18.3 97% 76.61 1022.2
25 06:56 NW 7 16.09 Overcast OVC060 18.9 18.9 100% 76.58 1022.2
25 05:56 Calm 16.09 Overcast FEW018 SCT050 OVC085 18.9 18.9 100% 76.56 1021.7
25 04:56 W 7 16.09 Overcast BKN027 OVC080 20 17.2 84% 76.56 1021.5
25 03:56 Calm 16.09 Overcast SCT041 BKN060 OVC090 19.4 16.7 84% 76.53 1021.4
25 02:56 Calm 16.09 Overcast BKN037 BKN048 OVC060 19.4 17.2 87% 76.56 1021.8
25 01:56 Calm 16.09 Overcast FEW060 OVC095 19.4 15.6 22.2 18.9 79% 76.61 1022.2
25 00:56 Calm 16.09 Overcast FEW075 OVC095 19.4 15.6 79% 76.66 1022.9
24 23:56 Calm 16.09 Mostly Cloudy BKN070 BKN100 18.9 15 78% 76.66 1022.9
24 22:56 Calm 16.09 Mostly Cloudy BKN100 19.4 14.4 73% 76.66 1022.9
24 21:56 Calm 16.09 Fair CLR 20 14.4 70% 76.66 1022.9
24 20:56 Calm 16.09 Mostly Cloudy BKN090 20.6 15 70% 76.63 1022.8
24 19:56 E 6 16.09 A Few Clouds FEW090 21.7 14.4 27.2 21.7 63% 76.63 1022.6
24 18:56 Vrbl 6 16.09 Fair CLR 23.9 15.6 60% 25 76.61 1022.3
24 17:56 Calm 16.09 Fair CLR 24.4 16.1 60% 26 76.66 1022.9
24 16:56 Calm 16.09 Fair CLR 26.1 15.6 52% 27 76.63 1022.6
24 15:56 Calm 16.09 Fair CLR 26.7 15.6 51% 27 76.66 1022.8
24 14:56 Vrbl 7 16.09 Fair CLR 26.7 14.4 47% 27 76.68 1023.2
24 13:56 Calm 16.09 Fair CLR 25.6 15 26.7 18.9 52% 26 76.71 1023.8
24 12:56 Vrbl 6 16.09 Mostly Cloudy BKN049 25 16.1 58% 26 76.76 1024.3
24 11:56 Vrbl 7 16.09 Mostly Cloudy BKN046 26.1 16.1 54% 27 76.78 1024.9
24 10:56 Vrbl 6 16.09 A Few Clouds FEW043 24.4 15.6 58% 26 76.81 1025.1
24 09:56 Vrbl 7 16.09 Fair CLR 23.9 17.8 69% 25 76.84 1025.3
24 08:56 Vrbl 6 16.09 Fair CLR 21.1 16.7 76% 76.81 1025.1
24 07:56 Calm 16.09 Fair CLR 18.9 16.1 18.9 12.8 84% 76.81 1025.2
24 06:56 Calm 16.09 Fair CLR 14 0 0% 76.78 1024.8
24 05:56 Calm 16.09 Fair CLR 13 0 0% 76.76 1024.2
24 04:56 Calm 16.09 Fair CLR 13.3 13.3 100% 76.73 1024.2
24 03:56 Calm 16.09 Fair CLR 13.9 13.9 100% 76.73 1024.0
24 02:56 Calm 16.09 Fair CLR 14 0 0% 76.71 1023.9
24 01:56 Calm 16.09 Fair CLR 15 15 22.8 15 100% 76.73 1023.9
24 00:56 Calm 16.09 Fair CLR 15.6 13.9 90% 76.73 1023.9
23 23:56 Calm 16.09 Fair CLR 16.1 16.1 100% 76.73 1024.0
23 22:56 Calm 16.09 Fair CLR 17.2 13.9 81% 76.73 1023.8
23 21:56 Calm 16.09 Fair CLR 18.9 12.8 68% 76.71 1023.5
23 20:56 Calm 16.09 Fair CLR 19.4 12.8 66% 76.66 1023.1
23 19:56 Calm 16.09 Fair CLR 22.8 14.4 27.8 22.8 59% 76.63 1022.7
23 18:56 Calm 16.09 Fair CLR 25.6 12.2 43% 26 76.63 1022.7
23 17:56 Calm 16.09 Fair CLR 26.7 12.2 41% 27 76.63 1022.7
23 16:56 Vrbl 6 16.09 Fair CLR 26.7 11.1 38% 27 76.63 1022.7
23 15:56 Vrbl 7 16.09 Fair CLR 26.1 11.1 39% 26 76.63 1022.6
23 14:56 Calm 16.09 Fair CLR 26.1 11.1 39% 26 76.63 1022.7
23 13:56 NW 7 16.09 Fair CLR 25.6 12.2 25.6 17.8 43% 26 76.66 1022.9
23 12:56 Vrbl 6 16.09 Fair CLR 25 12.8 47% 26 76.68 1023.3
23 11:56 Calm 16.09 Fair CLR 23.9 11.7 46% 25 76.71 1023.5
23 10:56 Calm 16.09 A Few Clouds FEW042 23.3 13.3 54% 76.71 1023.5
23 09:56 Vrbl 6 16.09 Fair CLR 21.7 13.3 59% 76.68 1023.4
23 08:56 Vrbl 6 16.09 Fair CLR 19.4 13.3 68% 76.66 1023.0
23 07:56 Calm 16.09 Fair CLR 17.8 13.9 20 15 78% 76.63 1022.7
23 06:56 Calm 16.09 Fair CLR 15.6 14.4 93% 76.56 1021.7
23 05:56 Calm 16.09 Fair CLR 15 13.9 93% 76.48 1020.7
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)