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.
29 12:56 NW 11 16.09 Fair CLR 22.8 8.9 41% 76.28 1018.0
29 11:56 Vrbl 11 16.09 Fair CLR 22.2 8.9 43% 76.38 1019.2
29 10:56 Calm 16.09 Fair CLR 21.1 8.9 46% 76.43 1019.9
29 09:56 Calm 16.09 Fair CLR 20.6 9.4 49% 76.45 1020.3
29 08:56 Vrbl 7 16.09 Fair CLR 18.3 10 59% 76.48 1020.6
29 07:56 Calm 16.09 Fair CLR 15.6 9.4 15.6 8.9 67% 76.48 1020.6
29 05:56 Calm 16.09 Fair CLR 9 0 0% 76.43 1020.4
29 04:56 Calm 16.09 Fair CLR 9.4 9.4 100% 76.4 1019.8
29 03:56 Calm 16.09 Fair CLR 10 10 100% 76.38 1019.5
29 02:56 Calm 16.09 Fair CLR 10.6 10 96% 76.4 1019.7
29 01:56 Calm 16.09 Fair CLR 11.7 10 22.2 11.7 89% 76.43 1019.9
29 00:56 Calm 16.09 Fair CLR 13.3 8.9 75% 76.4 1019.7
28 23:56 Calm 16.09 Fair CLR 15 8.3 64% 76.4 1019.7
28 22:56 Vrbl 6 16.09 Fair CLR 16.7 7.8 56% 76.4 1019.5
28 21:56 Vrbl 6 16.09 Fair CLR 17.8 8.9 56% 76.33 1018.5
28 20:56 Vrbl 6 16.09 Fair CLR 19.4 10 55% 76.23 1017.1
28 19:56 Vrbl 6 16.09 Fair CLR 22.2 8.9 26.1 22.2 43% 76.15 1016.2
28 18:56 Vrbl 9 16.09 Fair CLR 22.8 8.9 41% 76.12 1015.7
28 17:56 NW 13 16.09 Mostly Cloudy SCT080 BKN095 24.4 9.4 39% 25 76.1 1015.5
28 16:56 NW 13 G 26 16.09 Mostly Cloudy BKN080 25.6 9.4 36% 26 76.07 1015.3
28 15:56 Vrbl 9 12.87 A Few Clouds FEW090 26.1 10 36% 26 76.07 1015.2
28 14:56 NW 17 G 33 16.09 Fair CLR 26.1 9.4 35% 26 76.1 1015.4
28 13:56 NW 19 G 33 16.09 Partly Cloudy SCT075 25 9.4 25.6 20 37% 26 76.15 1016.0
28 12:56 Vrbl 11 G 26 16.09 Mostly Cloudy BKN065 23.9 11.7 46% 25 76.15 1016.4
28 11:56 NW 15 16.09 A Few Clouds FEW055 23.9 10.6 43% 25 76.15 1016.2
28 10:56 NW 15 16.09 Fair CLR 23.3 12.8 52% 76.12 1016.0
28 09:56 NW 15 G 26 16.09 Fair CLR 22.2 11.7 52% 76.12 1015.8
28 08:56 NW 11 G 26 16.09 Partly Cloudy SCT110 21.1 14.4 66% 76.1 1015.5
28 07:56 NW 9 16.09 Fair CLR 20.6 18.9 20.6 17.2 90% 76.07 1015.2
28 06:56 Vrbl 7 16.09 Mostly Cloudy BKN095 18 0 0% 76.02 1014.7
28 05:56 Calm 16.09 Partly Cloudy SCT085 18 0 0% 75.97 1013.7
28 04:56 NW 7 16.09 Fair CLR 19 0 0% 75.92 1013.0
28 03:56 NW 7 16.09 Fair CLR 19 0 0% 75.87 1012.6
28 02:56 W 6 16.09 Overcast OVC110 19 0 0% 75.87 1012.5
28 01:56 W 7 16.09 Overcast OVC110 20 0 23.9 20 0% 75.87 1012.5 0.03 0.08
28 00:56 W 9 16.09 Overcast OVC110 21 0 0% 75.9 1013.0
27 23:56 W 9 16.09 Overcast OVC110 21 0 0% 75.92 1013.3
27 22:56 W 6 16.09 A Few Clouds FEW120 21 0 0% 75.92 1013.3 0.05
27 21:56 W 7 16.09 Mostly Cloudy BKN120 22 0 0% 75.92 1013.2
27 20:56 Calm 16.09 A Few Clouds FEW110 21.7 21.7 100% 75.87 1012.6 0.05
27 19:56 SW 6 16.09 Mostly Cloudy BKN110 23.3 22.2 26.7 23.3 94% 75.95 1013.3
27 18:56 W 6 16.09 Fair CLR 24.4 21.7 85% 25 75.9 1012.8
27 17:56 NW 6 16.09 Fair CLR 25.6 21.1 76% 27 75.9 1012.6
27 16:56 W 9 16.09 A Few Clouds FEW022 26.1 21.7 77% 28 75.95 1013.2
27 15:56 NW 9 16.09 Partly Cloudy SCT037 25.6 23.3 87% 27 75.97 1013.9
27 14:56 NW 13 16.09 Overcast BKN014 BKN019 OVC029 25 23.9 94% 26 76 1014.1
27 13:56 NW 11 16.09 Mostly Cloudy SCT008 BKN013 22.8 22.8 23.3 21.1 100% 76.02 1014.7 0.03 0.79
27 12:56 W 7 16.09 Light Rain BKN010 BKN032 OVC070 22 0 0% 76.1 1015.7 0.08
27 11:56 W 13 16.09 Overcast SCT014 BKN032 OVC070 22.8 22.8 100% 76.2 1016.8
27 10:56 Vrbl 7 16.09 A Few Clouds FEW009 23.3 23.3 100% 76.15 1016.4 0.03 0.69
27 09:56 W 6 1.61 Heavy Rain BKN006 OVC009 21 0 0% 76.2 1016.7 0.66
27 08:56 W 7 14.48 Overcast OVC004 22 0 0% 76.15 1016.2
27 07:56 Calm 8.05 Overcast with Haze OVC004 22 0 21.7 19.4 0% 76.17 1016.5
27 06:56 Calm 4.83 Fog/Mist OVC004 21 0 0% 76.17 1016.5
27 05:56 Calm 8.05 Overcast with Haze OVC006 21 0 0% 76.17 1016.5
27 04:56 Calm 14.48 Overcast OVC008 21 0 0% 76.2 1016.8
27 03:56 Calm 16.09 Overcast OVC006 21 0 0% 76.2 1016.7
27 02:56 SE 6 16.09 Overcast OVC010 21 0 0% 76.2 1017.0
27 01:56 Calm 16.09 Overcast OVC012 20 0 21.1 19.4 0% 76.25 1017.5
27 00:56 Calm 16.09 Overcast BKN016 OVC100 21 0 0% 76.3 1018.4
26 23:56 Calm 16.09 Partly Cloudy FEW090 SCT110 19 0 0% 76.33 1018.6
26 22:56 Calm 16.09 A Few Clouds FEW018 20.6 20.6 100% 76.38 1019.4
26 21:56 SE 6 16.09 Mostly Cloudy BKN022 20 20 100% 76.4 1019.6
26 20:56 Calm 16.09 Partly Cloudy SCT022 20 20 100% 76.4 1019.5
26 19:56 Calm 16.09 Mostly Cloudy BKN037 21.1 20.6 24.4 21.1 97% 76.4 1019.5
26 18:56 Calm 16.09 Mostly Cloudy BKN043 BKN100 21.7 21.1 96% 76.4 1019.6
26 17:56 SE 9 16.09 Mostly Cloudy FEW047 SCT055 BKN100 23.3 18.9 76% 76.43 1019.8
26 16:56 SE 7 16.09 Overcast OVC044 22.2 18.9 82% 76.45 1020.3
26 15:56 Vrbl 6 16.09 Overcast BKN050 OVC065 24.4 17.2 64% 25 76.45 1020.5
26 14:56 Calm 16.09 Overcast OVC050 22.8 18.3 76% 76.53 1021.4
26 13:56 S 6 16.09 Overcast BKN050 OVC070 22.8 18.9 23.3 19.4 79% 76.58 1022.1
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)