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.
31 09:56 SW 12 G 17 10.00 Fair CLR 68 51.1 55% 30.13 1021.4
31 08:56 SW 8 10.00 Fair CLR 64 51.1 63% 30.14 1021.8
31 07:56 SW 7 10.00 Fair CLR 62.1 50 64 60.1 65% 30.14 1022.0
31 06:56 Vrbl 3 10.00 Fair CLR 60.1 50 70% 30.14 1021.7
31 05:56 SW 8 10.00 Fair CLR 61 50 67% 30.12 1021.2
31 04:56 SW 9 G 16 10.00 Fair CLR 61 50 67% 30.1 1020.4
31 03:56 SW 7 10.00 Fair CLR 62.1 50 65% 30.1 1020.5
31 02:56 SW 7 G 17 10.00 Fair CLR 63 50 63% 30.11 1020.6
31 01:56 SW 10 G 18 10.00 Fair CLR 64 50 66 64 60% 30.12 1021.2
31 00:56 SW 14 G 22 10.00 Fair CLR 64 50 60% 30.13 1021.5
30 23:56 SW 7 G 16 10.00 Fair CLR 64.9 51.1 61% 30.14 1022.0
30 22:56 SW 9 10.00 Fair CLR 64.9 51.1 61% 30.16 1022.6
30 21:56 SW 8 G 16 10.00 Fair CLR 64.9 51.1 61% 30.17 1022.8
30 20:56 SW 10 G 17 10.00 A Few Clouds FEW120 64.9 51.1 61% 30.16 1022.4
30 19:56 SW 10 G 21 10.00 Fair CLR 66 51.1 70 63 59% 30.15 1022.3
30 18:56 SW 10 G 20 10.00 Partly Cloudy SCT100 68 51.1 55% 30.15 1022.4
30 17:56 SW 14 G 20 10.00 Partly Cloudy SCT100 68 51.1 55% 30.15 1022.2
30 16:56 SW 13 G 18 10.00 Mostly Cloudy SCT080 BKN110 70 50 49% 30.15 1022.3
30 15:56 SW 12 G 21 10.00 A Few Clouds FEW100 69.1 50 51% 30.17 1023.0
30 14:56 SW 14 G 20 10.00 Fair CLR 66.9 48.9 53% 30.2 1023.9
30 13:56 SW 15 G 22 10.00 Overcast OVC095 63 46.9 64 50 56% 30.23 1024.9 0.04
30 12:56 SW 12 10.00 Partly Cloudy SCT110 61 48 63% 30.25 1025.7
30 11:56 SW 15 G 18 10.00 Mostly Cloudy BKN110 57 48.9 74% 30.28 1026.7
30 10:56 SW 9 10.00 Overcast OVC085 55 48.9 80% 30.29 1027.3 0.04
30 09:56 SW 7 10.00 Overcast BKN070 OVC080 52 48.9 89% 30.3 1027.5 0.01
30 08:56 SW 6 9.00 Rain OVC075 50 46.9 89% 48 30.3 1027.7 0.03
30 07:56 SW 9 G 17 10.00 Light Rain BKN075 OVC100 52 41 55 52 66% 30.3 1027.6
30 06:56 Vrbl 7 10.00 Overcast OVC100 53.1 37 55% 30.28 1026.7
30 05:56 SW 8 10.00 Fair CLR 52 36 55% 30.27 1026.4
30 04:56 S 7 10.00 A Few Clouds FEW110 52 33.1 49% 30.26 1026.2
30 03:56 S 7 10.00 A Few Clouds FEW110 53.1 30 41% 30.26 1026.1
30 02:56 S 8 10.00 A Few Clouds FEW120 55 28 36% 30.29 1026.8
30 01:56 S 10 10.00 Fair CLR 55 21 55.9 53.1 26% 30.29 1026.9
30 00:56 S 8 10.00 Partly Cloudy SCT120 55.9 18 22% 30.3 1027.5
29 23:56 S 9 G 16 10.00 Mostly Cloudy BKN120 55.9 19 24% 30.33 1028.3
29 22:56 S 8 10.00 Fair CLR 55 24.1 30% 30.34 1028.9
29 21:56 S 9 10.00 Fair CLR 54 27 35% 30.35 1029.3
29 20:56 SE 8 10.00 A Few Clouds FEW120 54 27 35% 30.35 1029.2
29 19:56 S 9 10.00 Fair CLR 55 26.1 62.1 55 33% 30.35 1029.6
29 18:56 S 10 10.00 Fair CLR 57.9 26.1 29% 30.36 1029.8
29 17:56 S 12 10.00 Fair CLR 61 26.1 26% 30.36 1029.8
29 16:56 S 15 G 21 10.00 Fair CLR 62.1 27 26% 30.37 1030.0
29 15:56 S 18 G 24 10.00 Fair CLR 62.1 26.1 25% 30.4 1030.9
29 14:56 S 14 G 20 10.00 Fair CLR 60.1 26.1 27% 30.42 1031.9
29 13:56 S 12 G 24 10.00 Fair CLR 57.9 25 59 30.9 28% 30.47 1033.5
29 12:56 SW 12 G 20 10.00 Fair CLR 57 23 27% 30.51 1034.7
29 11:56 S 14 G 23 10.00 Fair CLR 55 23 29% 30.54 1035.8
29 10:56 S 13 G 23 10.00 Fair CLR 52 21.9 31% 30.56 1036.6
29 09:56 SW 14 G 20 10.00 Fair CLR 48 21.9 36% 43 30.58 1037.2
29 08:56 SW 10 10.00 Fair CLR 44.1 21.9 41% 39 30.57 1037.2
29 07:56 SE 5 10.00 Fair CLR 30.9 28 30.9 27 89% 27 30.57 1037.1
29 06:56 Calm 10.00 Fair CLR 28 26.1 92% 30.56 1036.8
29 05:56 Calm 10.00 Fair CLR 28 24.1 85% 30.56 1036.6
29 04:56 Calm 10.00 Fair CLR 28 24.1 85% 30.54 1036.0
29 03:56 Calm 10.00 Fair CLR 28 23 81% 30.54 1036.2
29 02:56 Calm 10.00 Fair CLR 28.9 21.9 75% 30.55 1036.5
29 01:56 Calm 10.00 Fair CLR 28.9 23 43 28.9 78% 30.56 1036.6
29 00:56 Calm 10.00 Fair CLR 30.9 21.9 69% 30.55 1036.5
28 23:56 Calm 10.00 Fair CLR 32 21 64% 30.54 1036.2
28 22:56 Calm 10.00 Fair CLR 34 19 54% 30.54 1036.0
28 21:56 Calm 10.00 Fair CLR 35.1 18 50% 30.54 1036.0
28 20:56 Calm 10.00 Fair CLR 39.9 17.1 40% 30.52 1035.5
28 19:56 NW 5 10.00 Fair CLR 43 12.9 48.9 43 29% 41 30.49 1034.5
28 18:56 NW 8 10.00 Fair CLR 46 12.9 26% 42 30.48 1033.9
28 17:56 W 13 G 17 10.00 Fair CLR 48 14 25% 43 30.46 1033.4
28 16:56 NW 12 G 20 10.00 Fair CLR 46.9 12 24% 42 30.46 1033.4
28 15:56 NW 14 G 21 10.00 Fair CLR 46.9 14 26% 42 30.47 1033.5
28 14:56 NW 13 G 17 10.00 Fair CLR 46.9 16 29% 42 30.49 1034.2
28 13:56 NW 9 G 16 10.00 Fair CLR 46.9 19 46.9 30.9 33% 43 30.5 1034.9
28 12:56 Vrbl 6 G 20 10.00 Fair CLR 44.1 18 35% 41 30.51 1035.1
28 11:56 NW 12 G 21 10.00 Partly Cloudy SCT060 42.1 18 38% 36 30.54 1035.8
28 10:56 W 16 G 21 10.00 Partly Cloudy SCT055 39 19 45% 31 30.53 1035.6
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)