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.
21 15:56 Vrbl 11 16.09 Light Rain FEW009 OVC041 13.3 13.3 100% 76.76 1024.7 0.03
21 14:56 Vrbl 7 16.09 Light Rain OVC011 13.3 13.3 100% 76.84 1025.7
21 13:56 Vrbl 7 16.09 Overcast BKN011 OVC023 13.3 13.3 16.7 13.3 100% 76.81 1025.2
21 12:56 Calm 16.09 Overcast OVC011 14.4 14.4 100% 76.76 1024.7
21 11:56 Vrbl 7 16.09 Overcast OVC013 15 15 100% 76.76 1024.6
21 10:56 Vrbl 9 16.09 Overcast BKN017 OVC032 16.1 15 93% 76.73 1024.2
21 09:56 Vrbl 7 16.09 Overcast BKN012 OVC030 16 0 0% 76.68 1023.4
21 08:56 Calm 16.09 Overcast OVC022 17 0 0% 76.63 1022.9
21 07:56 Calm 16.09 Overcast OVC022 16 0 20 16.1 0% 76.61 1022.4 0.03
21 06:56 Calm 16.09 Overcast OVC022 17 0 0% 76.58 1022.1
21 05:56 Calm 16.09 Overcast OVC020 17 0 0% 76.53 1021.4
21 04:56 Calm 16.09 Overcast FEW007 OVC018 18 0 0% 76.45 1020.2 0.03
21 03:56 Calm 11.27 Mostly Cloudy FEW017 SCT022 BKN075 19 0 0% 76.43 1019.8
21 02:56 Calm 9.66 Overcast with Haze FEW003 BKN011 OVC014 20 0 0% 76.43 1019.8 0.03
21 01:56 Calm 6.44 Mostly Cloudy with Haze BKN110 20 0 20.6 20 0% 76.43 1019.9 0.1 0.64
21 00:56 NW 6 12.87 Light Rain SCT085 BKN110 20 0 0% 76.45 1020.3 0.03
20 23:56 Calm 11.27 Mostly Cloudy BKN095 BKN110 20 0 0% 76.45 1019.9 0.03
20 22:56 S 13 16.09 Thunderstorm in Vicinity OVC090 21 0 0% 76.48 1020.4 0.08 0.48
20 21:56 NE 6 6.44 Thunderstorm in Vicinity Rain OVC110 21 0 0% 76.43 1019.7 0.38
20 20:56 W 13 16.09 Thunderstorm in Vicinity Light Rain BKN085 OVC110 21 0 0% 76.4 1019.4 0.03
20 19:56 Calm 11.27 Mostly Cloudy SCT080 BKN110 21 0 35 20 0% 76.28 1018.0 0.79
20 18:56 Calm 11.27 Light Rain OVC100 21 0 0% 76.25 1017.5 0.13
20 17:56 Calm 14.48 Light Rain FEW080 BKN110 21 0 0% 76.28 1017.7 0.15
20 15:56 NW 20 G 31 16.09 Mostly Cloudy BKN070 BKN080 31.7 17.8 43% 32 76.2 1016.6
20 14:56 W 15 G 26 16.09 A Few Clouds FEW075 33.9 18.9 41% 36 76.17 1016.4
20 13:56 W 17 16.09 Mostly Cloudy SCT060 BKN070 32.8 19.4 33.3 25 45% 35 76.28 1017.7
20 12:56 NW 17 16.09 Fair CLR 32.8 19.4 45% 35 76.3 1018.0
20 11:56 W 15 16.09 Fair CLR 31.7 19.4 48% 33 76.35 1018.8
20 10:56 NW 15 16.09 Fair CLR 30.6 19.4 51% 32 76.38 1019.2
20 09:56 W 15 16.09 Fair CLR 29.4 18.3 51% 30 76.4 1019.3
20 08:56 W 11 16.09 Fair CLR 27.8 18.3 56% 29 76.38 1019.2
20 07:56 W 6 16.09 Fair CLR 25 19.4 25 18.9 71% 26 76.38 1019.0
20 05:56 Calm 16.09 Fair CLR 19.4 19.4 100% 76.35 1018.6
20 04:56 Calm 16.09 Fair CLR 20 20 100% 76.33 1018.5
20 03:56 NW 6 16.09 Fair CLR 20 0 0% 76.33 1018.5
20 02:56 Calm 16.09 Fair CLR 21.1 21.1 100% 76.33 1018.5
20 01:56 Calm 16.09 Fair CLR 20.6 20.6 28.3 20.6 100% 76.35 1018.7
20 00:56 Calm 16.09 A Few Clouds FEW100 21.1 21.1 100% 76.4 1019.4
19 23:56 Calm 16.09 Fair CLR 21.7 21.7 100% 76.4 1019.3
19 22:56 Calm 16.09 Fair CLR 22.2 21.1 94% 76.4 1019.4
19 21:56 Calm 16.09 Fair CLR 25 18.9 69% 26 76.38 1019.2
19 20:56 Calm 16.09 Fair CLR 25 18.3 66% 26 76.38 1019.0
19 19:56 Calm 16.09 Fair CLR 28.3 18.3 35.6 28.3 55% 29 76.4 1019.5
19 18:56 NW 11 16.09 Fair CLR 30.6 17.2 45% 31 76.43 1019.6
19 17:56 SW 11 16.09 A Few Clouds FEW110 32.8 17.2 39% 33 76.4 1019.4
19 16:56 NW 13 16.09 Mostly Cloudy BKN080 BKN100 33.9 17.8 38% 35 76.4 1019.2
19 15:56 W 11 16.09 Partly Cloudy SCT080 SCT110 32.8 17.8 41% 34 76.43 1019.6
19 14:56 SW 9 16.09 A Few Clouds FEW110 34.4 17.8 37% 35 76.45 1020.1
19 12:56 W 13 16.09 Fair CLR 33.9 18.9 41% 36 76.53 1020.9
19 11:56 W 15 G 30 16.09 Fair CLR 32.2 18.3 44% 33 76.56 1021.5
19 10:56 W 15 G 26 16.09 Fair CLR 31.1 18.9 48% 32 76.61 1021.9
19 09:56 SW 11 16.09 Fair CLR 28.3 17.2 51% 29 76.61 1022.0
19 08:56 W 9 16.09 Fair CLR 27.2 17.2 54% 28 76.61 1022.0
19 07:56 NW 6 16.09 Fair CLR 23.3 18.3 25 19.4 74% 76.61 1022.2
19 06:56 Calm 16.09 Fair CLR 20 19.4 96% 76.58 1021.7
19 05:56 Calm 16.09 Fair CLR 20 18.9 93% 76.56 1021.4
19 04:56 S 6 16.09 Fair CLR 23.3 16.7 67% 76.53 1021.0
19 03:56 SE 7 16.09 Fair CLR 22.2 17.8 76% 76.53 1020.9
19 02:56 SE 6 16.09 Fair CLR 23.9 17.2 66% 25 76.53 1021.1
19 01:56 Calm 16.09 Fair CLR 25 17.2 30 23.9 62% 26 76.58 1021.6
19 00:56 S 7 16.09 Fair CLR 25.6 17.2 60% 27 76.58 1021.6
18 23:56 SE 7 16.09 Fair CLR 25.6 17.8 62% 27 76.58 1021.8
18 22:56 SE 7 16.09 Fair CLR 26.1 17.8 60% 27 76.58 1021.6
18 21:56 SE 9 16.09 Fair CLR 28.3 17.8 53% 29 76.56 1021.4
18 20:56 SE 9 16.09 Fair CLR 28.9 17.2 49% 29 76.5 1020.8
18 19:56 SE 11 16.09 Fair CLR 30 17.2 36.1 30 46% 30 76.5 1020.5
18 18:56 S 11 16.09 Fair CLR 32.2 16.1 38% 32 76.53 1021.0
18 17:56 S 17 G 28 16.09 Fair CLR 33.9 17.2 37% 35 76.5 1020.6
18 16:56 S 11 16.09 A Few Clouds FEW070 35 17.8 36% 36 76.5 1020.8
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)