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.
07 07:56 Calm 16.09 Overcast OVC055 10.6 10.6 12.8 10.6 100% 76 1014.4 0.08
07 06:56 Calm 16.09 Overcast OVC050 11 0 0% 75.97 1014.2
07 05:56 Calm 16.09 Overcast OVC048 11 0 0% 75.92 1013.5
07 04:56 Calm 16.09 Overcast OVC046 12 0 0% 75.92 1013.5 0.08
07 03:56 Calm 16.09 Overcast OVC042 12 0 0% 75.87 1012.6 0.03
07 02:56 Vrbl 6 14.48 Light Rain OVC040 12 0 0% 75.84 1012.5 0.05
07 01:56 Calm 16.09 Overcast OVC036 13 0 20 12.8 0% 75.87 1012.7 0.03 0.1
07 00:56 Calm 16.09 Light Rain OVC036 13 0 0% 75.84 1012.4 0.05
06 23:56 Vrbl 9 16.09 Light Rain OVC036 14.4 14.4 100% 75.84 1012.5 0.03
06 22:56 Vrbl 7 16.09 Overcast OVC032 16.1 14.4 90% 75.79 1011.9
06 21:56 NW 15 16.09 Overcast OVC028 16.7 14.4 86% 75.77 1011.5
06 20:56 Vrbl 9 16.09 Overcast OVC024 17.8 17.8 100% 75.79 1011.7
06 19:56 W 6 16.09 Overcast OVC022 20 17.8 22.2 18.9 87% 75.72 1010.5
06 18:56 Vrbl 6 16.09 Overcast OVC024 20.6 17.8 84% 75.67 1009.9
06 17:56 SW 11 16.09 Overcast OVC022 20.6 17.2 81% 75.67 1009.8
06 16:56 SW 13 16.09 Mostly Cloudy BKN024 BKN028 BKN090 21.7 16.7 73% 75.64 1009.2
06 15:56 SW 15 16.09 Mostly Cloudy BKN022 BKN085 21.1 16.1 73% 75.64 1009.3
06 14:56 SW 15 16.09 Mostly Cloudy BKN018 20.6 16.1 76% 75.67 1009.6
06 13:56 SW 20 G 28 16.09 Overcast OVC016 19.4 16.7 19.4 15.6 84% 75.69 1010.0 0.41
06 12:56 SW 17 G 28 16.09 Overcast OVC012 17.8 17.8 100% 75.72 1010.4
06 11:56 SW 13 G 26 16.09 Overcast OVC010 16.7 16.7 100% 75.74 1010.7
06 10:56 S 13 G 30 16.09 Light Rain OVC010 16 0 0% 75.74 1011.0 0.1 0.41
06 09:56 S 17 G 26 16.09 Rain BKN012 OVC065 16 0 0% 75.77 1011.1 0.18
06 08:56 S 11 16.09 Light Rain FEW055 SCT070 OVC095 16 0 0% 75.79 1011.4 0.13
06 07:56 SW 11 14.48 Light Rain FEW070 OVC100 16.7 16.1 21.7 16.7 96% 75.82 1011.8 0.03 0.03
06 06:56 S 15 G 26 16.09 Light Rain BKN110 18.3 12.8 70% 75.74 1010.8
06 05:56 S 17 G 28 16.09 Light Rain BKN100 BKN120 18.9 12.2 65% 75.74 1010.6
06 04:56 S 20 G 28 16.09 Fair CLR 18.9 11.7 63% 75.74 1010.7
06 03:56 S 17 G 30 16.09 A Few Clouds FEW100 20 11.1 57% 75.74 1010.8
06 02:56 Vrbl 11 G 28 16.09 Partly Cloudy SCT100 20.6 11.1 55% 75.77 1011.0
06 01:56 SW 22 G 28 16.09 Fair CLR 21.7 10.6 25 21.1 49% 75.79 1011.4
06 00:56 S 15 G 37 16.09 Fair CLR 21.7 10.6 49% 75.84 1011.9
05 23:56 S 20 G 31 16.09 Fair CLR 22.2 9.4 44% 75.84 1011.8
05 22:56 S 13 G 30 16.09 Fair CLR 22.8 8.3 40% 75.82 1011.8
05 21:56 S 11 16.09 Fair CLR 23.3 7.2 36% 75.82 1011.8
05 20:56 S 11 16.09 Fair CLR 23.9 5.6 31% 25 75.79 1011.4
05 19:56 S 15 G 26 16.09 Fair CLR 25 5.6 29.4 25 29% 25 75.74 1010.8
05 18:56 SW 13 16.09 Fair CLR 26.7 5.6 26% 26 75.74 1010.7
05 17:56 S 20 G 33 16.09 Fair CLR 27.2 6.1 26% 26 75.74 1010.7
05 16:56 SW 20 G 37 16.09 Fair CLR 28.3 6.1 24% 27 75.72 1010.4
05 15:56 S 24 G 39 16.09 Fair CLR 28.9 6.1 24% 27 75.74 1010.7
05 14:56 S 30 G 50 16.09 Fair CLR 28.3 6.1 24% 27 75.79 1011.4
05 13:56 S 20 G 37 16.09 Fair CLR 28.3 7.8 28.3 17.8 27% 27 75.84 1012.0
05 12:56 SW 20 G 28 16.09 Fair CLR 27.2 7.8 29% 27 75.9 1012.8
05 11:56 S 15 16.09 Fair CLR 26.1 10 36% 26 75.95 1013.5
05 10:56 S 13 16.09 Fair CLR 25 10.6 40% 26 75.95 1013.4
05 09:56 SW 13 16.09 Fair CLR 23.3 9.4 41% 75.95 1013.6
05 08:56 SW 9 16.09 Fair CLR 20 8.3 47% 75.97 1013.8
05 07:56 SW 7 16.09 Fair CLR 17.8 7.8 17.8 15 52% 75.97 1013.8
05 06:56 S 6 16.09 Fair CLR 15.6 7.2 58% 75.92 1013.2
05 05:56 S 9 16.09 Fair CLR 15 7.2 60% 75.9 1012.7
05 04:56 Vrbl 7 16.09 Fair CLR 15 7.8 62% 75.87 1012.6
05 03:56 S 7 16.09 Fair CLR 15.6 8.3 62% 75.87 1012.4
05 02:56 S 7 16.09 A Few Clouds FEW100 16.1 8.3 60% 75.84 1012.1
05 01:56 S 7 16.09 Fair CLR 16.7 8.3 22.2 16.7 58% 75.84 1012.3
05 00:56 S 6 16.09 Fair CLR 17.2 8.3 56% 75.87 1012.4
04 23:56 S 7 16.09 A Few Clouds FEW100 18.3 7.8 51% 75.87 1012.4
04 22:56 Vrbl 6 16.09 Fair CLR 18.9 7.2 47% 75.84 1012.3
04 21:56 S 9 16.09 Fair CLR 19.4 6.7 44% 75.84 1012.1
04 20:56 S 7 16.09 Partly Cloudy SCT100 21.1 6.7 39% 75.79 1011.7
04 19:56 Vrbl 9 G 30 16.09 Overcast OVC090 22.2 6.1 25.6 22.2 35% 75.79 1011.5
04 18:56 SW 19 16.09 Mostly Cloudy BKN090 23.9 5.6 31% 25 75.77 1011.3
04 17:56 S 19 G 28 16.09 Mostly Cloudy BKN100 24.4 5.6 30% 25 75.74 1011.0
04 16:56 S 20 G 28 16.09 A Few Clouds FEW085 25 5.6 29% 25 75.74 1011.0
04 15:56 SW 13 G 26 16.09 A Few Clouds FEW080 25 5.6 29% 25 75.82 1011.9
04 14:56 SW 20 G 26 16.09 Fair CLR 23.9 5 29% 25 75.9 1013.0
04 13:56 SW 9 16.09 Fair CLR 22.2 5 22.8 12.2 33% 75.95 1013.8
04 12:56 SW 15 16.09 Fair CLR 22.2 4.4 31% 76 1014.6
04 11:56 S 13 16.09 Fair CLR 20.6 3.3 32% 76.05 1015.2
04 10:56 SW 13 16.09 Fair CLR 19.4 2.2 32% 76.1 1015.9
04 09:56 SE 11 16.09 Fair CLR 17.8 3.3 38% 76.1 1015.9
04 08:56 Vrbl 7 16.09 Fair CLR 14.4 3.3 48% 76.15 1016.5
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)