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.
23 10:56 SE 13 16.09 Fair CLR 25 15.6 56% 26 76.45 1020.4
23 09:56 S 7 16.09 Partly Cloudy SCT065 23.3 17.2 69% 76.48 1020.6
23 08:56 S 9 16.09 Fair CLR 20.6 18.3 87% 76.5 1020.8
23 07:56 S 6 16.09 Fair CLR 18 0 17.8 14.4 0% 76.48 1020.7
23 06:56 Calm 16.09 Fair CLR 14 0 0% 76.5 1020.8
23 05:56 Calm 16.09 Fair CLR 15 0 0% 76.48 1020.7
23 04:56 Calm 16.09 Fair CLR 14 0 0% 76.45 1020.5
23 03:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.45 1020.5
23 02:56 Calm 16.09 Fair CLR 15.6 15.6 100% 76.48 1020.6
23 01:56 SE 7 16.09 Fair CLR 16.7 15.6 21.7 16.1 93% 76.48 1020.6
23 00:56 SE 11 16.09 Fair CLR 18.3 13.3 73% 76.48 1020.5
22 23:56 Vrbl 6 16.09 Fair CLR 16.1 16.1 100% 76.5 1020.9
22 22:56 SE 6 16.09 Fair CLR 18.3 14.4 78% 76.45 1020.5
22 21:56 SE 6 16.09 Fair CLR 17.8 15 84% 76.45 1020.2
22 20:56 Calm 16.09 Fair CLR 20 14.4 70% 76.4 1019.7
22 19:56 Calm 16.09 Fair CLR 21.7 13.9 28.9 21.7 61% 76.38 1019.1
22 18:56 Vrbl 6 16.09 A Few Clouds FEW065 26.1 12.8 44% 26 76.35 1018.9
22 17:56 Vrbl 6 16.09 Fair CLR 27.8 11.7 37% 27 76.35 1018.8
22 16:56 Vrbl 7 16.09 Fair CLR 27.8 12.8 40% 27 76.35 1018.8
22 15:56 S 9 16.09 Fair CLR 27.8 12.8 40% 27 76.35 1018.9
22 14:56 Vrbl 7 16.09 Fair CLR 28.3 12.2 37% 28 76.4 1019.4
22 13:56 Vrbl 6 16.09 Fair CLR 27.2 12.2 27.2 19.4 39% 27 76.43 1019.8
22 12:56 Vrbl 6 16.09 Fair CLR 26.7 13.9 45% 27 76.43 1019.9
22 11:56 SE 7 16.09 Fair CLR 26.1 15 50% 27 76.45 1020.1
22 10:56 Vrbl 7 16.09 A Few Clouds FEW026 24.4 15 56% 26 76.45 1020.3
22 09:56 Vrbl 6 16.09 Fair CLR 22.8 19.4 81% 76.43 1019.9
22 08:56 Calm 16.09 Fair CLR 21.1 21.1 100% 76.4 1019.7
22 07:56 Calm 16.09 Overcast OVC049 19 0 19.4 16.7 0% 76.38 1019.2
22 06:56 Calm 16.09 Overcast OVC043 18 0 0% 76.35 1018.8
22 05:56 Calm 16.09 Overcast OVC043 18 0 0% 76.3 1018.3
22 04:56 Calm 16.09 Overcast FEW025 OVC043 17 0 0% 76.25 1017.6
22 03:56 Calm 16.09 Overcast OVC027 17 0 0% 76.23 1017.4
22 02:56 Calm 16.09 Overcast OVC025 18 0 0% 76.23 1017.3
22 01:56 Calm 16.09 Overcast FEW023 OVC080 18 0 20 18.3 0% 76.23 1017.1
22 00:56 Calm 16.09 Overcast BKN039 OVC080 19 0 0% 76.2 1016.8
21 23:56 Calm 16.09 Overcast OVC080 19 0 0% 76.17 1016.7
21 22:56 Calm 16.09 Overcast OVC080 19 0 0% 76.17 1016.5
21 21:56 Calm 16.09 Overcast BKN060 OVC085 19 0 0% 76.15 1016.3
21 20:56 Calm 16.09 Mostly Cloudy FEW050 BKN085 18 0 0% 76.12 1015.9
21 19:56 Calm 16.09 Mostly Cloudy BKN060 20 20 21.7 19.4 100% 76.07 1015.4
21 18:56 Vrbl 6 16.09 A Few Clouds FEW049 21.7 20 90% 76.07 1015.2
21 17:56 Vrbl 6 16.09 Mostly Cloudy SCT020 BKN060 BKN085 20.6 20.6 100% 76.1 1015.5
21 16:56 Vrbl 6 16.09 Overcast OVC018 20 20 100% 76.1 1015.5
21 15:56 Vrbl 6 6.44 Light Rain Fog/Mist OVC016 19.4 19.4 100% 76.1 1015.5
21 14:56 Vrbl 6 11.27 Light Rain BKN014 BKN043 OVC055 19.4 19.4 100% 76.07 1015.0
21 13:56 Vrbl 6 16.09 Overcast OVC014 20 20 20.6 16.7 100% 76.07 1015.1
21 12:56 Vrbl 7 16.09 Overcast OVC014 20.6 20 96% 76.07 1015.2
21 11:56 Vrbl 7 16.09 Overcast OVC012 20.6 19.4 93% 76.07 1015.4
21 10:56 Vrbl 6 16.09 Overcast OVC010 18.9 18.9 100% 76.07 1015.2
21 09:56 Vrbl 6 16.09 Overcast OVC006 18 0 0% 76.07 1015.2
21 08:56 Vrbl 9 6.44 Overcast with Haze OVC006 17 0 0% 76.1 1015.7
21 07:56 Vrbl 6 9.66 Overcast with Haze OVC004 17 0 21.1 16.7 0% 76.1 1015.5
21 06:56 Calm 14.48 Overcast OVC004 17 0 0% 76.07 1015.1
21 05:56 Vrbl 7 14.48 Overcast OVC004 18 0 0% 76.02 1014.4
21 04:56 Vrbl 6 16.09 Overcast OVC004 19 0 0% 76 1014.3
21 03:56 Vrbl 9 14.48 Overcast OVC004 19 0 0% 76 1014.3
21 02:56 Vrbl 6 11.27 Overcast OVC004 21 0 0% 75.97 1013.9
21 01:56 Vrbl 6 14.48 Overcast OVC004 21 0 22.2 21.1 0% 76 1014.2
21 00:56 NE 6 4.02 Fog/Mist OVC004 22 0 0% 76.05 1015.1
20 23:56 Vrbl 6 6.44 Overcast with Haze OVC004 22 0 0% 76.07 1015.3
20 22:56 Calm 11.27 Overcast OVC004 22 0 0% 76.07 1015.3
20 21:56 Vrbl 6 14.48 Overcast BKN006 OVC090 22 0 0% 76.07 1015.3
20 20:56 Calm 12.87 Overcast OVC006 22 0 0% 76.07 1015.0
20 19:56 Calm 12.87 Light Rain SCT006 OVC090 22 0 26.1 22.2 0% 76.05 1014.9
20 18:56 Calm 12.87 Overcast OVC095 23 0 0% 76.02 1014.5
20 17:56 NE 6 16.09 Light Rain FEW014 SCT034 OVC090 23.9 23.9 100% 22 76.05 1014.9
20 16:56 Calm 16.09 Overcast BKN014 OVC035 25 25 100% 25 76.05 1014.9
20 15:56 Calm 16.09 Overcast SCT016 BKN028 OVC035 25.6 25 97% 27 76.07 1015.1
20 14:56 Calm 16.09 Overcast FEW012 BKN020 OVC028 24.4 24.4 100% 24 76.1 1015.7
20 13:56 Calm 16.09 Overcast BKN010 OVC015 23.9 23.9 23.9 19.4 100% 22 76.15 1016.2
20 12:56 Vrbl 7 16.09 Overcast OVC007 23 0 0% 76.17 1016.5
20 11:56 Vrbl 6 16.09 Overcast OVC007 23 0 0% 76.2 1017.0
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)