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 11:56 Vrbl 9 16.09 Fair CLR 17.2 0 31% 76.53 1021.6
22 10:56 Calm 16.09 Fair CLR 15.6 0.6 36% 76.53 1021.8
22 09:56 Vrbl 7 16.09 Fair CLR 13.3 1.1 44% 76.56 1022.1
22 08:56 Vrbl 6 16.09 Fair CLR 9.4 2.2 61% 76.53 1021.7
22 07:56 Calm 16.09 Fair CLR 3.9 2.8 7.2 3.9 93% 76.48 1021.2
22 06:56 Calm 16.09 Fair CLR 5.6 1.1 73% 76.45 1020.8
22 05:56 Calm 16.09 Fair CLR 6.7 1.1 68% 76.45 1020.6
22 04:56 Calm 16.09 Fair CLR 6.1 1.7 74% 76.43 1020.3
22 03:56 Calm 16.09 Fair CLR 5.6 2.2 79% 76.4 1020.1
22 02:56 Calm 16.09 Fair CLR 3.9 3.9 100% 76.45 1020.7
22 01:56 Calm 16.09 Fair CLR 4.4 4.4 10 3.9 100% 76.45 1020.9
22 00:56 Calm 16.09 Fair CLR 4.4 4.4 100% 76.48 1021.0
21 23:56 Calm 16.09 Fair CLR 5 5 100% 76.5 1021.6
21 22:56 Calm 16.09 Fair CLR 5.6 5.6 100% 76.56 1022.1
21 21:56 Calm 16.09 Fair CLR 6.1 5.6 97% 76.56 1022.2
21 20:56 Calm 16.09 Fair CLR 7.8 4.4 79% 76.56 1022.3
21 19:56 Calm 16.09 Fair CLR 10 3.9 18.9 10 66% 76.58 1022.5
21 18:56 Calm 16.09 Fair CLR 11.7 5 64% 76.56 1022.1
21 17:56 Calm 16.09 Fair CLR 16.1 4.4 46% 76.58 1022.2
21 16:56 Calm 16.09 Fair CLR 17.8 4.4 41% 76.56 1022.1
21 15:56 Calm 16.09 Fair CLR 18.9 3.3 36% 76.58 1022.4
21 14:56 Vrbl 11 16.09 Fair CLR 18.3 3.9 39% 76.63 1022.8
21 13:56 Vrbl 6 16.09 Fair CLR 18.9 2.8 18.9 7.2 34% 76.68 1023.4
21 12:56 Vrbl 9 16.09 Fair CLR 18.3 3.9 39% 76.76 1024.6
21 11:56 Calm 16.09 Fair CLR 17.2 4.4 43% 76.84 1025.8
21 10:56 NE 9 16.09 Fair CLR 15.6 3.3 44% 76.89 1026.6
21 09:56 Vrbl 6 16.09 Fair CLR 13.3 3.9 53% 76.91 1027.0
21 08:56 Calm 16.09 Fair CLR 10 3.9 66% 76.91 1027.0
21 07:56 Calm 16.09 Fair CLR 7.2 3.3 10 6.1 77% 76.89 1026.8
21 06:56 Calm 16.09 Fair CLR 6.7 3.3 79% 76.89 1026.5
21 05:56 Calm 16.09 Fair CLR 7.2 3.3 77% 76.89 1026.4
21 04:56 Calm 16.09 Fair CLR 7.8 3.9 77% 76.81 1025.5
21 03:56 Vrbl 6 16.09 Fair CLR 8.3 3.3 71% 76.81 1025.3
21 02:56 Calm 16.09 Fair CLR 9.4 3.3 66% 76.84 1025.7
21 01:56 Vrbl 6 16.09 Fair CLR 10 3.3 12.8 7.8 63% 76.84 1025.7
21 00:56 Vrbl 6 16.09 Fair CLR 10.6 3.9 64% 76.84 1025.8
20 23:56 Calm 16.09 Fair CLR 10 5 71% 76.84 1025.6
20 22:56 Calm 16.09 Fair CLR 8.9 7.2 89% 76.86 1025.9
20 21:56 Calm 16.09 Fair CLR 8.9 7.8 93% 76.84 1025.9
20 20:56 Calm 16.09 Fair CLR 10.6 7.2 80% 76.84 1026.0
20 19:56 Calm 16.09 Fair CLR 12.8 7.2 21.1 12.8 69% 76.84 1025.8
20 18:56 Calm 16.09 Fair CLR 14.4 6.7 60% 76.84 1026.0
20 17:56 Calm 16.09 Fair CLR 17.8 7.8 52% 76.81 1025.4
20 16:56 Vrbl 6 16.09 Fair CLR 20 7.2 44% 76.78 1025.1
20 15:56 Vrbl 7 16.09 Fair CLR 20.6 6.7 41% 76.78 1025.1
20 14:56 Calm 16.09 Fair CLR 21.1 6.1 38% 76.78 1025.2
20 13:56 Calm 16.09 Fair CLR 21.1 6.1 21.1 6.1 38% 76.84 1025.8
20 12:56 Calm 16.09 Fair CLR 20.6 6.1 39% 76.89 1026.3
20 11:56 Vrbl 7 16.09 Fair CLR 18.3 6.1 45% 76.94 1027.1
20 10:56 Vrbl 6 16.09 Fair CLR 17.2 6.1 48% 76.94 1027.3
20 09:56 Vrbl 6 16.09 Fair CLR 15.6 5.6 52% 76.96 1027.5
20 08:56 Vrbl 6 16.09 Fair CLR 11.1 3.9 61% 76.94 1027.2
20 07:56 W 9 16.09 Fair CLR 6.1 2.2 7.2 3.9 76% 4 76.89 1026.7
20 06:56 W 6 16.09 Fair CLR 6.1 1.7 74% 76.86 1026.3
20 05:56 W 6 16.09 Fair CLR 6.1 1.1 71% 76.84 1025.8
20 04:56 Calm 16.09 Fair CLR 4.4 3.3 93% 76.81 1025.5
20 03:56 Calm 16.09 Fair CLR 3.9 3.9 100% 76.81 1025.4
20 02:56 Calm 16.09 Fair CLR 4.4 4.4 100% 76.84 1025.8
20 01:56 Calm 16.09 Fair CLR 5.6 2.2 10.6 5.6 79% 76.84 1025.9
20 00:56 Calm 16.09 Fair CLR 6.1 2.2 76% 76.86 1026.1
19 23:56 Calm 16.09 Fair CLR 6.1 4.4 89% 76.86 1026.3
19 22:56 Calm 16.09 Fair CLR 6.7 3.9 83% 76.89 1026.6
19 21:56 Calm 16.09 Fair CLR 7.2 4.4 83% 76.91 1027.0
19 20:56 Calm 16.09 Fair CLR 8.9 3.9 71% 76.94 1027.3
19 19:56 Calm 16.09 Fair CLR 9.4 5 20 9.4 74% 76.96 1027.9
19 18:56 Calm 16.09 Fair CLR 12.8 2.8 51% 76.99 1028.0
19 17:56 Calm 16.09 Fair CLR 17.2 3.9 41% 77.01 1028.3
19 16:56 Calm 16.09 Fair CLR 18.9 3.9 37% 77.04 1028.6
19 15:56 Vrbl 6 16.09 Fair CLR 18.9 2.8 34% 77.09 1029.2
19 14:56 Vrbl 6 16.09 Fair CLR 19.4 2.8 33% 77.11 1029.5
19 13:56 Vrbl 6 14.48 Fair CLR 19.4 3.9 19.4 1.7 36% 77.17 1030.2
19 12:56 Vrbl 6 16.09 Fair CLR 18.9 1.7 32% 77.27 1031.5
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)