Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (edt) 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.
20 16:56 S 8 10.00 Overcast FEW070 BKN090 OVC110 70 37.9 31% 29.79 1010.2
20 15:56 SW 16 G 22 10.00 Fair CLR 70 37.9 31% 29.84 1011.8
20 14:56 S 13 10.00 Fair CLR 69.1 39 33% 29.88 1013.3
20 13:56 S 13 G 17 10.00 Fair CLR 68 39.9 69.1 39 36% 29.94 1015.1
20 12:56 SW 9 10.00 Fair CLR 66.9 37.9 35% 29.99 1016.7
20 11:56 SW 9 10.00 Fair CLR 64 37 37% 30.03 1018.1
20 10:56 S 7 10.00 Fair CLR 57.9 36 44% 30.05 1019.2
20 09:56 SW 8 10.00 Fair CLR 52 35.1 53% 30.09 1020.3
20 08:56 S 6 10.00 Fair CLR 45 36 71% 42 30.11 1021.2
20 07:56 SE 5 10.00 Fair CLR 39 36 43 37 89% 36 30.12 1021.5
20 06:56 SE 3 10.00 Fair CLR 37.9 34 86% 30.11 1021.3
20 05:56 S 5 10.00 Fair CLR 39.9 34 79% 37 30.12 1021.3
20 04:56 S 3 10.00 Fair CLR 39.9 34 79% 30.12 1021.3
20 03:56 S 5 10.00 Fair CLR 41 34 76% 38 30.12 1021.5
20 02:56 SE 3 10.00 Fair CLR 41 33.1 73% 30.15 1022.5
20 01:56 S 5 10.00 Fair CLR 43 32 50 43 65% 41 30.17 1023.3
20 00:56 S 6 10.00 A Few Clouds FEW065 44.1 32 63% 41 30.18 1023.5
19 23:56 Calm 10.00 Fair CLR 45 30.9 58% 30.18 1023.7
19 22:56 SE 5 10.00 Fair CLR 45 32 61% 43 30.17 1023.3
19 21:56 SE 3 10.00 Fair CLR 46 30.9 56% 30.18 1023.6
19 20:56 SE 6 10.00 Fair CLR 48.9 30 48% 47 30.16 1023.0
19 19:56 SE 7 10.00 A Few Clouds FEW100 50 30 57.9 50 46% 48 30.15 1022.7
19 18:56 SW 3 10.00 Fair CLR 55 30.9 40% 30.15 1022.6
19 17:56 Calm 10.00 Fair CLR 57.9 30.9 36% 30.15 1022.3
19 16:56 Vrbl 5 10.00 Fair CLR 57 32 39% 30.15 1022.6
19 15:56 Calm 10.00 Partly Cloudy SCT120 57 30.9 37% 30.17 1023.2
19 14:56 Vrbl 3 10.00 A Few Clouds FEW055 55 28.9 37% 30.19 1024.0
19 13:56 Vrbl 5 10.00 Overcast OVC055 52 27 53.1 36 38% 30.22 1025.1
19 12:56 Vrbl 3 10.00 Overcast OVC055 52 27 38% 30.24 1025.9
19 11:56 SW 7 10.00 Mostly Cloudy BKN060 48.9 27 43% 46 30.26 1026.4
19 10:56 Vrbl 3 10.00 Overcast OVC055 43 27 53% 30.27 1026.9
19 09:56 S 5 10.00 Overcast OVC055 39.9 27 60% 37 30.28 1027.2
19 08:56 S 5 10.00 Overcast OVC055 37 28 70% 34 30.27 1027.1
19 07:56 S 7 10.00 Overcast OVC055 36 27 36 34 70% 31 30.26 1026.5
19 06:56 SE 6 10.00 Overcast OVC060 35.1 26.1 70% 31 30.26 1026.5
19 05:56 SE 6 10.00 Overcast OVC060 35.1 25 67% 31 30.25 1026.1
19 04:56 SE 7 10.00 Overcast SCT055 OVC095 34 24.1 67% 29 30.25 1026.4
19 03:56 SE 7 10.00 Overcast OVC065 34 23 64% 29 30.26 1026.5
19 02:56 SE 7 10.00 Overcast OVC100 34 21.9 61% 29 30.28 1027.3
19 01:56 SE 7 10.00 Overcast BKN065 OVC100 34 21 35.1 33.1 59% 29 30.3 1028.0
19 00:56 SE 6 10.00 Overcast BKN065 OVC100 34 19.9 56% 29 30.31 1028.5
18 23:56 SE 7 10.00 Overcast OVC065 34 19.9 56% 29 30.32 1028.6
18 22:56 SE 7 10.00 Overcast OVC070 33.1 19 56% 28 30.32 1028.8
18 21:56 E 6 10.00 Overcast BKN095 OVC120 33.1 18 54% 28 30.32 1029.0
18 20:56 SE 6 10.00 Mostly Cloudy BKN120 35.1 12.9 40% 31 30.32 1028.9
18 19:56 SE 6 10.00 Fair CLR 35.1 12 41 35.1 38% 31 30.31 1028.4
18 18:56 S 7 10.00 Fair CLR 37.9 10 31% 33 30.32 1028.7
18 17:56 S 10 10.00 Fair CLR 39.9 9 28% 34 30.32 1028.9
18 16:56 SE 7 10.00 Fair CLR 39.9 12 32% 36 30.33 1029.1
18 15:56 S 9 G 17 10.00 Fair CLR 39.9 10.9 30% 34 30.34 1029.5
18 14:56 S 9 10.00 Fair CLR 39 10.9 31% 33 30.36 1030.1
18 13:56 S 13 G 17 10.00 Fair CLR 37.9 12 37.9 24.1 34% 31 30.39 1031.1
18 12:56 S 8 10.00 Fair CLR 36 10 34% 30 30.41 1032.0
18 11:56 Vrbl 3 10.00 Fair CLR 33.1 8.1 35% 30.42 1032.2
18 10:56 SE 6 10.00 A Few Clouds FEW110 32 12 43% 27 30.42 1032.1
18 09:56 Vrbl 3 10.00 A Few Clouds FEW120 27 12.9 55% 30.41 1031.8
18 08:56 N 5 10.00 A Few Clouds FEW120 26.1 14 60% 21 30.38 1031.0
18 07:56 Calm 10.00 Fair CLR 24.1 14 24.1 21 65% 30.39 1031.3
18 06:56 NW 5 10.00 Fair CLR 23 14 68% 18 30.39 1031.3
18 05:56 NW 6 10.00 Fair CLR 23 12.9 65% 17 30.39 1031.2
18 04:56 NW 3 10.00 Fair CLR 21 12.9 71% 30.35 1029.7
18 03:56 NW 6 10.00 Fair CLR 23 12 63% 17 30.33 1029.1
18 02:56 Vrbl 7 10.00 Fair CLR 24.1 12 60% 17 30.31 1028.6
18 01:56 W 3 10.00 Fair CLR 23 10.9 30.9 23 60% 30.31 1028.6
18 00:56 Vrbl 5 10.00 Fair CLR 26.1 10.9 53% 21 30.29 1027.7
17 23:56 NW 7 10.00 Fair CLR 27 10.9 51% 20 30.26 1027.0
17 22:56 NW 10 G 16 10.00 Fair CLR 27 10.9 51% 18 30.24 1026.0
17 21:56 NW 12 10.00 Fair CLR 28.9 9 43% 20 30.23 1025.7
17 20:56 W 16 G 26 10.00 Fair CLR 30 10 43% 19 30.19 1024.4
17 19:56 W 15 G 23 10.00 Fair CLR 30.9 12 39.9 30.9 45% 21 30.14 1022.7
17 18:56 W 24 G 31 10.00 Partly Cloudy and Breezy FEW060 SCT090 34 10.9 38% 22 30.09 1021.1
17 17:56 W 12 10.00 Mostly Cloudy BKN065 35.1 12 38% 28 30.04 1019.4
Date Time (edt) 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)