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 10:56 S 6 16.09 Fair CLR 23.3 18.9 76% 76.53 1021.4
01 09:56 SW 6 16.09 Fair CLR 20 19.4 96% 76.53 1021.3
01 08:56 Calm 16.09 Fair CLR 18 0 0% 76.5 1021.1
01 07:56 Calm 14.48 Fair CLR 17.2 17.2 17.8 16.1 100% 76.5 1021.0
01 06:56 Calm 4.02 Fog/Mist CLR 16.1 16.1 100% 76.48 1020.6
01 05:56 Calm 2.41 Fog/Mist CLR 16 0 0% 76.45 1020.4
01 04:56 Calm 9.66 Fair with Haze CLR 17 0 0% 76.45 1020.2
01 03:56 SE 7 16.09 Fair CLR 17 0 0% 76.43 1020.2
01 02:56 Calm 11.27 Fair CLR 17.2 17.2 100% 76.45 1020.5
01 01:56 SE 6 16.09 Fair CLR 17 0 19.4 16.7 0% 76.48 1020.8
01 00:56 Calm 16.09 Fair CLR 17 0 0% 76.5 1021.1
30 23:56 Calm 16.09 Fair CLR 17 0 0% 76.5 1021.2
30 22:56 Calm 16.09 Fair CLR 17 0 0% 76.53 1021.1
30 21:56 SE 6 16.09 Fair CLR 17.8 17.8 100% 76.5 1021.1
30 20:56 SE 6 16.09 Fair CLR 18.3 18.3 100% 76.48 1020.9
30 19:56 Calm 16.09 Fair CLR 18.9 18.9 26.7 18.9 100% 76.45 1020.6
30 18:56 Calm 16.09 Fair CLR 20.6 18.9 90% 76.45 1020.6
30 17:56 S 6 16.09 Fair CLR 25 16.7 60% 26 76.43 1020.1
30 16:56 S 6 16.09 Partly Cloudy SCT045 25.6 16.7 58% 26 76.43 1020.0
30 15:56 Vrbl 7 16.09 Partly Cloudy SCT047 26.1 16.1 54% 27 76.45 1020.1
30 14:56 S 9 16.09 Mostly Cloudy BKN047 25.6 15 52% 26 76.45 1020.2
30 13:56 Vrbl 7 16.09 Mostly Cloudy BKN047 25.6 15.6 26.1 13.9 54% 26 76.5 1020.9
30 12:56 SW 9 16.09 Mostly Cloudy BKN044 24.4 15.6 58% 26 76.56 1021.6
30 11:56 SW 11 16.09 Fair CLR 24.4 15.6 58% 26 76.58 1022.0
30 10:56 S 13 16.09 Fair CLR 23.9 15.6 60% 25 76.63 1022.5
30 09:56 Vrbl 6 16.09 Mostly Cloudy BKN055 20.6 16.7 78% 76.63 1022.9
30 08:56 W 6 16.09 Fair CLR 17 0 0% 76.63 1022.9
30 07:56 Calm 16.09 Fair CLR 13.9 13.9 14.4 13.3 100% 76.58 1022.4
30 06:56 Calm 8.05 Fog/Mist CLR 13.3 13.3 100% 76.53 1021.7
30 05:56 Calm 6.44 Fog/Mist CLR 13.9 13.9 100% 76.5 1021.1
30 04:56 Calm 9.66 Fog/Mist BKN050 13.3 13.3 100% 76.5 1021.1
30 03:56 Calm 9.66 Fog/Mist SCT048 13.9 13.9 100% 76.48 1020.7
30 02:56 Calm 2.41 Fog/Mist CLR 14.4 14.4 100% 76.5 1020.9
30 01:56 Calm 2.82 Fog/Mist CLR 14.4 14.4 18.9 14.4 100% 76.48 1020.6
30 00:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.48 1020.7
29 23:56 Calm 16.09 Fair CLR 16 0 0% 76.48 1020.8
29 22:56 Calm 16.09 Partly Cloudy SCT055 17 0 0% 76.48 1020.7
29 21:56 Calm 16.09 Overcast OVC055 17.8 17.8 100% 76.48 1020.6
29 20:56 Calm 16.09 Overcast FEW036 OVC060 17.8 17.8 100% 76.43 1020.1
29 19:56 Calm 16.09 Overcast OVC060 18.9 18.3 23.3 18.9 96% 76.4 1019.8
29 18:56 Calm 16.09 Overcast OVC060 19.4 17.8 91% 76.38 1019.4
29 17:56 W 9 16.09 A Few Clouds FEW060 21.1 16.7 76% 76.35 1018.9
29 16:56 Vrbl 6 16.09 Partly Cloudy SCT060 22.2 16.1 68% 76.3 1018.3
29 15:56 NW 9 16.09 Overcast SCT034 OVC060 22.2 16.1 68% 76.33 1018.7
29 14:56 Calm 16.09 Overcast FEW026 BKN037 OVC060 22.2 15.6 66% 76.35 1019.0
29 13:56 Calm 16.09 Overcast FEW022 BKN034 OVC060 21.7 16.7 21.7 15.6 73% 76.38 1019.4
29 11:56 Vrbl 7 16.09 Overcast FEW021 SCT031 OVC060 20.6 16.1 76% 76.45 1020.2
29 10:56 NW 7 16.09 Overcast BKN017 OVC045 20 17.2 84% 76.45 1020.2
29 09:56 NW 11 16.09 Overcast SCT041 OVC050 19.4 16.7 84% 76.43 1019.9
29 08:56 NW 9 16.09 Overcast OVC050 17.8 16.7 93% 76.38 1019.6
29 07:56 Calm 16.09 Overcast OVC049 16 0 16.1 13.9 0% 76.35 1019.1
29 06:56 Calm 16.09 Overcast OVC055 15 0 0% 76.3 1018.7
29 05:56 Calm 16.09 Overcast OVC060 14.4 14.4 100% 76.25 1018.0
29 04:56 Calm 16.09 Mostly Cloudy FEW034 BKN065 13.9 13.9 100% 76.25 1017.8
29 03:56 Calm 16.09 Mostly Cloudy BKN060 15 15 100% 76.23 1017.5
29 02:56 Calm 16.09 Overcast OVC070 15.6 15.6 100% 76.23 1017.5
29 01:56 Calm 16.09 Overcast OVC070 16.1 16.1 18.3 16.1 100% 76.23 1017.6
29 00:56 Calm 16.09 Overcast BKN032 OVC070 16.7 16.7 100% 76.25 1017.7
28 23:56 W 6 16.09 Overcast OVC034 17.2 16.1 93% 76.25 1017.7
28 22:56 W 6 16.09 Overcast OVC038 17.2 16.1 93% 76.23 1017.5
28 21:56 W 6 16.09 Overcast OVC032 17.2 16.7 97% 76.2 1017.2
28 20:56 Calm 16.09 Overcast OVC032 17.8 16.1 90% 76.17 1016.8
28 19:56 NW 7 16.09 Overcast OVC028 17.8 15.6 20.6 17.8 87% 76.12 1016.2
28 18:56 W 7 16.09 Overcast OVC030 18.3 15.6 84% 76.1 1015.7
28 17:56 NW 9 16.09 Overcast OVC032 18.9 15.6 81% 76.05 1015.1
28 16:56 NW 11 16.09 Overcast OVC032 19.4 15 76% 76.02 1014.5
28 15:56 Vrbl 9 16.09 Overcast OVC030 20 15 73% 76 1014.3
28 14:56 Vrbl 6 16.09 Overcast SCT023 OVC031 19.4 16.1 81% 76 1014.3
28 13:56 W 13 16.09 Overcast OVC021 17.8 15.6 18.3 15 87% 76.02 1014.9
28 12:56 NW 13 16.09 Overcast OVC022 18.3 15 81% 76.02 1014.8
28 11:56 W 13 16.09 Overcast OVC015 17.2 16.7 97% 76.05 1015.0
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)