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.
22 16:56 S 20 G 31 16.09 Fair CLR 28.3 10.6 33% 27 75.29 1004.7
22 15:56 S 19 16.09 Fair CLR 28.3 10.6 33% 27 75.36 1005.7
22 14:56 S 15 16.09 Fair CLR 27.8 10.6 34% 27 75.46 1007.0
22 13:56 S 11 16.09 Fair CLR 25 10 25.6 7.8 39% 26 75.59 1008.6
22 12:56 S 17 16.09 Fair CLR 22.8 10.6 46% 75.64 1009.4
22 11:56 SE 11 16.09 Fair CLR 20.6 10.6 53% 75.72 1010.6
22 10:56 Vrbl 9 16.09 Fair CLR 17.2 10 63% 75.77 1011.4
22 09:56 S 13 16.09 Fair CLR 14.4 9.4 72% 75.82 1012.0
22 08:56 SE 13 16.09 Fair CLR 10.6 10 96% 75.84 1012.5
22 07:56 Calm 16.09 Fair CLR 8 0 11.7 7.2 0% 75.9 1013.1
22 06:56 Calm 16.09 Fair CLR 7.8 7.8 100% 75.87 1012.9
22 05:56 E 6 16.09 Fair CLR 8.3 8.3 100% 75.87 1012.6
22 04:56 SE 15 16.09 Fair CLR 9.4 9.4 100% 7 75.84 1012.3
22 03:56 SE 7 16.09 Fair CLR 10 9.4 96% 9 75.92 1013.2
22 02:56 S 11 16.09 Fair CLR 11.1 9.4 89% 75.95 1013.6
22 01:56 S 15 16.09 Fair CLR 11.7 9.4 16.1 11.7 86% 76.02 1014.8
22 00:56 SE 15 16.09 Overcast OVC120 12.2 10 87% 76.05 1015.2
21 23:56 SE 13 16.09 Fair CLR 12.8 5.6 62% 76.02 1014.8
21 22:56 E 7 16.09 Fair CLR 12.8 4.4 57% 76.05 1015.0
21 21:56 E 7 16.09 Fair CLR 12.8 4.4 57% 76.05 1015.1
21 20:56 E 9 16.09 Fair CLR 14.4 5 53% 76.02 1014.7
21 19:56 E 7 16.09 Fair CLR 16.7 5 21.1 16.7 46% 75.95 1013.9
21 18:56 NE 6 16.09 Fair CLR 17.8 5 43% 75.92 1013.5
21 17:56 SE 9 16.09 Fair CLR 20 5 38% 75.9 1013.1
21 16:56 Calm 16.09 Fair CLR 20 5.6 39% 75.9 1013.1
21 15:56 Vrbl 6 16.09 Fair CLR 19.4 6.1 42% 75.95 1013.7
21 14:56 Vrbl 6 16.09 Fair CLR 18.9 6.7 45% 76 1014.4
21 13:56 Vrbl 7 16.09 Fair CLR 19.4 7.2 19.4 7.2 45% 76.02 1014.9
21 12:56 Vrbl 9 16.09 Fair CLR 18.9 8.9 52% 76.07 1015.4
21 11:56 Vrbl 6 16.09 Fair CLR 16.7 8.9 60% 76.02 1014.6
21 10:56 N 7 16.09 Mostly Cloudy BKN023 16.1 11.1 72% 76 1014.4
21 09:56 Vrbl 9 16.09 Fair CLR 14.4 12.8 90% 75.95 1013.8
21 08:56 NW 6 16.09 Fair CLR 12 0 0% 75.9 1013.2
21 07:56 NW 6 0.40 Fog VV002 7 0 12.2 7.2 0% 75.82 1012.4
21 06:56 Calm 1.61 Fog/Mist VV002 8 0 0% 75.77 1011.6
21 05:56 Calm 16.09 Mostly Cloudy BKN065 9 0 0% 75.72 1010.8
21 04:56 W 7 3.22 Fog/Mist BKN075 8 0 0% 7 75.67 1009.9
21 03:56 Calm 16.09 Overcast FEW060 BKN075 OVC090 10 0 0% 75.64 1009.7
21 02:56 Calm 16.09 Overcast BKN065 OVC100 11 0 0% 75.64 1009.8
21 01:56 SW 7 16.09 Light Rain FEW070 BKN080 OVC100 12.2 12.2 14.4 11.7 100% 75.64 1009.8 0.2 0.48
21 00:56 Vrbl 11 16.09 Light Rain FEW065 OVC085 12 0 0% 75.69 1010.3
20 23:56 Vrbl 6 16.09 Light Rain SCT070 BKN095 OVC110 12.8 12.2 96% 75.69 1010.5 0.23
20 22:56 Calm 16.09 Overcast OVC085 13.9 9.4 74% 75.69 1010.2 0.03 0.05
20 21:56 S 11 16.09 Light Rain OVC075 13.9 10.6 81% 75.69 1010.6
20 20:56 S 9 16.09 Light Rain OVC080 13.3 11.7 90% 75.72 1011.0 0.03
20 19:56 S 7 16.09 Light Rain OVC070 13.3 13.3 22.2 13.3 100% 75.79 1012.0 0.1 0.18
20 18:56 W 6 14.48 Light Rain OVC070 13.9 12.2 90% 75.82 1012.2 0.08
20 17:56 W 28 G 44 16.09 Light Rain OVC075 18.3 6.7 47% 75.74 1011.2
20 16:56 S 13 16.09 Overcast FEW070 BKN090 OVC110 21.1 3.3 31% 75.67 1010.2
20 15:56 SW 26 G 35 16.09 Fair CLR 21.1 3.3 31% 75.79 1011.8
20 14:56 S 20 16.09 Fair CLR 20.6 3.9 33% 75.9 1013.3
20 13:56 S 20 G 28 16.09 Fair CLR 20 4.4 20.6 3.9 36% 76.05 1015.1
20 12:56 SW 15 16.09 Fair CLR 19.4 3.3 35% 76.17 1016.7
20 11:56 SW 15 16.09 Fair CLR 17.8 2.8 37% 76.28 1018.1
20 10:56 S 11 16.09 Fair CLR 14.4 2.2 44% 76.33 1019.2
20 09:56 SW 13 16.09 Fair CLR 11.1 1.7 53% 76.43 1020.3
20 08:56 S 9 16.09 Fair CLR 7.2 2.2 71% 6 76.48 1021.2
20 07:56 SE 7 16.09 Fair CLR 3.9 2.2 6.1 2.8 89% 2 76.5 1021.5
20 06:56 SE 6 16.09 Fair CLR 3.3 1.1 86% 76.48 1021.3
20 05:56 S 7 16.09 Fair CLR 4.4 1.1 79% 3 76.5 1021.3
20 04:56 S 6 16.09 Fair CLR 4.4 1.1 79% 76.5 1021.3
20 03:56 S 7 16.09 Fair CLR 5 1.1 76% 4 76.5 1021.5
20 02:56 SE 6 16.09 Fair CLR 5 0.6 73% 76.58 1022.5
20 01:56 S 7 16.09 Fair CLR 6.1 0 10 6.1 65% 5 76.63 1023.3
20 00:56 S 9 16.09 A Few Clouds FEW065 6.7 0 63% 5 76.66 1023.5
19 23:56 Calm 16.09 Fair CLR 7.2 -0.6 58% 76.66 1023.7
19 22:56 SE 7 16.09 Fair CLR 7.2 0 61% 6 76.63 1023.3
19 21:56 SE 6 16.09 Fair CLR 7.8 -0.6 56% 76.66 1023.6
19 20:56 SE 9 16.09 Fair CLR 9.4 -1.1 48% 8 76.61 1023.0
19 19:56 SE 11 16.09 A Few Clouds FEW100 10 -1.1 14.4 10 46% 9 76.58 1022.7
19 18:56 SW 6 16.09 Fair CLR 12.8 -0.6 40% 76.58 1022.6
19 17:56 Calm 16.09 Fair CLR 14.4 -0.6 36% 76.58 1022.3
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)