Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
15 13:56 SE 3 10.00 Light Rain SCT035 BKN044 OVC050 44.1 35.1 71% 30 1017.6
15 12:56 Calm 10.00 Light Rain BKN049 OVC060 46 28.9 46.9 33.1 51% 30.01 1018.1
15 11:56 SE 5 10.00 Overcast OVC060 46 28 50% 44 30.04 1018.9
15 10:56 Calm 10.00 Overcast OVC065 45 27 49% 30.04 1019.1
15 09:56 Calm 10.00 Overcast OVC095 43 28 56% 30.04 1019.2
15 08:56 Calm 10.00 Overcast OVC110 42.1 30 62% 30.04 1019.1
15 07:56 Calm 10.00 A Few Clouds FEW120 36 33.1 89% 30.04 1018.9
15 06:56 Calm 10.00 Fair CLR 33.1 30 36 30.9 89% 30.04 1019.2
15 05:56 Calm 10.00 Fair CLR 32 28.9 88% 30.04 1019.1
15 04:56 Calm 10.00 Fair CLR 32 28.9 88% 30.04 1018.9
15 03:56 Calm 10.00 Fair CLR 33.1 28 82% 30.04 1019.1
15 02:56 Calm 10.00 Fair CLR 34 30 85% 30.05 1019.2
15 01:56 Calm 10.00 Fair CLR 33.1 28.9 85% 30.07 1020.1
15 00:56 Calm 10.00 Fair CLR 36 28.9 42.1 34 76% 30.08 1020.2
14 23:56 Calm 10.00 Fair CLR 35.1 28.9 78% 30.08 1020.6
14 22:56 Calm 10.00 Fair CLR 35.1 30 82% 30.09 1020.6
14 21:56 Calm 10.00 Fair CLR 37.9 28.9 70% 30.08 1020.5
14 20:56 Calm 10.00 Fair CLR 39 30 70% 30.1 1021.1
14 19:56 Calm 10.00 Fair CLR 41 28 60% 30.1 1021.2
14 18:56 Calm 10.00 Fair CLR 41 28 53.1 41 60% 30.1 1021.4
14 17:56 S 3 10.00 Fair CLR 46.9 28 48% 30.09 1020.7
14 16:56 W 6 10.00 Fair CLR 51.1 27 39% 30.08 1020.3
14 15:56 W 8 10.00 Fair CLR 53.1 27 37% 30.07 1019.9
14 14:56 W 10 10.00 Fair CLR 53.1 27 37% 30.07 1019.9
14 13:56 W 12 G 16 10.00 Fair CLR 52 27 38% 30.08 1020.3
14 12:56 W 9 10.00 Fair CLR 51.1 26.1 51.1 19.9 38% 30.1 1021.2
14 11:56 W 8 10.00 Fair CLR 46.9 25 42% 44 30.13 1022.2
14 10:56 W 8 10.00 Fair CLR 43 21.9 43% 39 30.16 1023.2
14 09:56 W 5 10.00 A Few Clouds FEW075 39 19.9 46% 36 30.17 1023.7
14 08:56 W 5 10.00 Overcast OVC085 28.9 19 66% 25 30.18 1024.1
14 07:56 Calm 10.00 Partly Cloudy SCT090 23 16 74% 30.16 1023.6
14 06:56 Calm 10.00 A Few Clouds FEW100 19.9 15.1 26.1 19.9 81% 30.16 1023.7
14 05:56 Calm 10.00 Fair CLR 21 16 81% 30.16 1023.5
14 04:56 Calm 10.00 Fair CLR 21 16 81% 30.16 1023.4
14 03:56 Calm 10.00 Fair CLR 24.1 14 65% 30.17 1023.8
14 02:56 Calm 10.00 Fair CLR 24.1 15.1 68% 30.16 1023.5
14 01:56 W 3 10.00 Fair CLR 21.9 16 78% 30.18 1024.2
14 00:56 Calm 10.00 Fair CLR 19.9 17.1 28 19.9 89% 30.18 1024.3
13 23:56 Calm 10.00 Fair CLR 21.9 17.1 82% 30.19 1024.4
13 22:56 Calm 10.00 Fair CLR 23 17.1 78% 30.2 1024.6
13 21:56 Calm 10.00 Fair CLR 24.1 17.1 75% 30.19 1024.4
13 20:56 Calm 10.00 Fair CLR 25 16 69% 30.19 1024.3
13 19:56 Calm 10.00 Fair CLR 28 16 60% 30.2 1024.7
13 18:56 Calm 10.00 Fair CLR 28.9 15.1 35.1 28.9 56% 30.19 1024.5
13 17:56 Calm 10.00 Fair CLR 33.1 12.9 43% 30.19 1024.5
13 16:56 NW 5 10.00 Fair CLR 35.1 12.9 40% 32 30.19 1024.3
13 15:56 NW 9 10.00 Fair CLR 35.1 14 42% 29 30.18 1024.2
13 14:56 NW 13 10.00 Fair CLR 34 14 44% 26 30.19 1024.3
13 13:56 NW 9 10.00 Fair CLR 33.1 14 45% 26 30.2 1024.7
13 12:56 W 13 G 17 10.00 Fair CLR 32 16 34 23 52% 23 30.22 1025.4
13 11:56 NW 9 10.00 Fair CLR 30.9 16 54% 24 30.24 1026.2
13 10:56 NW 8 G 16 10.00 Fair CLR 28.9 15.1 56% 22 30.26 1026.7
13 09:56 NW 8 10.00 Fair CLR 28 14 56% 21 30.27 1027.0
13 08:56 Vrbl 6 10.00 Fair CLR 26.1 14 60% 20 30.26 1026.7
13 07:56 Vrbl 5 10.00 Fair CLR 24.1 12 60% 19 30.24 1026.3
13 06:56 Vrbl 5 10.00 Fair CLR 23 10.9 27 23 60% 18 30.22 1025.6
13 05:56 NW 8 10.00 Fair CLR 23 12 63% 15 30.21 1025.0
13 04:56 NW 5 10.00 Fair CLR 24.1 12.9 62% 19 30.2 1024.7
13 03:56 NW 7 10.00 Fair CLR 25 14 63% 18 30.18 1024.1
13 02:56 N 3 10.00 Overcast OVC036 26.1 15.1 63% 30.18 1024.3
13 01:56 NW 5 10.00 Overcast OVC038 26.1 15.1 63% 21 30.18 1024.2
13 00:56 NW 5 10.00 A Few Clouds FEW038 27 16 30 27 63% 22 30.18 1024.0
12 23:56 Vrbl 5 10.00 Partly Cloudy SCT038 28 17.1 63% 24 30.17 1023.7
12 22:56 Vrbl 5 10.00 Overcast OVC038 28.9 17.1 61% 25 30.16 1023.4
12 21:56 Vrbl 3 10.00 Overcast OVC040 28.9 17.1 61% 30.16 1023.5
12 20:56 NW 5 10.00 Overcast OVC042 30 17.1 58% 26 30.17 1023.6
12 19:56 NW 7 10.00 Mostly Cloudy BKN044 30 16 56% 24 30.16 1023.5
12 18:56 NW 12 G 18 10.00 Partly Cloudy SCT046 30 17.1 35.1 30 58% 21 30.16 1023.4
12 17:56 NW 16 G 25 10.00 Overcast OVC046 30.9 18 59% 21 30.14 1022.6
12 16:56 NW 16 G 25 10.00 Mostly Cloudy BKN042 32 17.1 54% 22 30.11 1021.6
12 15:56 NW 20 G 28 10.00 Mostly Cloudy BKN042 33.1 17.1 52% 22 30.09 1021.0
12 14:56 NW 20 G 29 10.00 Mostly Cloudy BKN044 33.1 17.1 52% 22 30.09 1021.0
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)