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.
22 10:56 Calm 10.00 Light Rain OVC080 48.9 48.9 100% 30.05 1019.1 0.05 0.05
22 09:56 Calm 10.00 Light Rain BKN095 BKN110 55 39 55% 30.06 1019.2
22 08:56 SW 3 10.00 Overcast OVC110 53.1 37 55% 30.05 1019.0
22 07:56 SW 3 10.00 Fair CLR 53.1 36 53.1 50 52% 30.05 1019.0
22 06:56 Calm 10.00 Fair CLR 51.1 35.1 54% 30.05 1018.9
22 05:56 Vrbl 6 10.00 Fair CLR 52 35.1 53% 30.05 1018.8
22 04:56 S 5 10.00 Fair CLR 51.1 37 59% 30.05 1019.0
22 03:56 S 6 10.00 Fair CLR 51.1 37 59% 30.07 1019.6
22 02:56 SE 8 10.00 Fair CLR 50 37.9 63% 47 30.09 1020.3
22 01:56 SE 7 10.00 Fair CLR 50 37.9 57 46.9 63% 48 30.11 1021.1
22 00:56 SE 8 10.00 Fair CLR 48 36 63% 45 30.15 1022.4
21 23:56 SE 8 10.00 Fair CLR 48 35.1 61% 45 30.16 1023.1
21 22:56 SE 9 10.00 Fair CLR 50 33.1 52% 47 30.18 1023.7
21 21:56 SE 8 10.00 Fair CLR 53.1 30.9 43% 30.19 1023.9
21 20:56 SE 8 10.00 Fair CLR 55 28 36% 30.19 1023.6
21 19:56 SE 7 10.00 Fair CLR 57 26.1 63 57 30% 30.18 1023.7
21 18:56 S 10 10.00 Fair CLR 59 26.1 28% 30.17 1023.5
21 17:56 SE 14 10.00 Fair CLR 61 25 25% 30.18 1023.7
21 16:56 S 8 10.00 Fair CLR 63 21.9 21% 30.2 1024.2
21 15:56 S 8 10.00 Fair CLR 62.1 23 22% 30.24 1025.7
21 14:56 S 7 10.00 Fair CLR 59 23 25% 30.27 1026.7
21 13:56 S 9 10.00 Fair CLR 57 21.9 57.9 30.9 26% 30.31 1028.1
21 12:56 Vrbl 7 10.00 Fair CLR 54 21 28% 30.34 1029.3
21 11:56 Calm 10.00 Fair CLR 52 21.9 31% 30.37 1030.4
21 10:56 W 9 10.00 Fair CLR 48.9 23 36% 45 30.4 1031.2
21 09:56 SE 5 10.00 Fair CLR 46.9 24.1 41% 45 30.42 1031.8
21 08:56 Vrbl 5 10.00 Fair CLR 42.1 25 51% 40 30.44 1032.6
21 07:56 Calm 10.00 Fair CLR 30.9 28.9 30.9 24.1 92% 30.44 1032.5
21 06:56 Calm 10.00 Fair CLR 25 23 92% 30.42 1032.1
21 05:56 Calm 10.00 Fair CLR 25 23 92% 30.38 1030.7
21 04:56 Calm 10.00 Fair CLR 26.1 23 88% 30.37 1030.2
21 03:56 Calm 10.00 Fair CLR 26.1 21.9 84% 30.35 1029.7
21 02:56 Calm 10.00 Fair CLR 27 25 92% 30.33 1029.1
21 01:56 Calm 10.00 Fair CLR 30.9 26.1 45 30 82% 30.34 1029.3
21 00:56 Calm 10.00 Fair CLR 30.9 26.1 82% 30.35 1029.8
20 23:56 Calm 10.00 Fair CLR 34 23 64% 30.34 1029.4
20 22:56 Calm 10.00 Fair CLR 35.1 24.1 64% 30.34 1029.3
20 21:56 Calm 10.00 Fair CLR 37.9 21 51% 30.35 1029.3
20 20:56 Calm 10.00 Fair CLR 41 21 45% 30.32 1028.6
20 19:56 Calm 10.00 Fair CLR 45 18 54 45 34% 30.29 1027.5
20 18:56 Vrbl 6 G 16 10.00 Fair CLR 48.9 18 29% 47 30.27 1026.6
20 17:56 NW 9 10.00 Mostly Cloudy BKN080 52 19 27% 30.25 1026.0
20 16:56 NW 15 G 25 10.00 Partly Cloudy SCT080 52 19 27% 30.23 1025.1
20 15:56 NW 10 G 25 10.00 A Few Clouds FEW080 52 21.9 31% 30.22 1024.8
20 14:56 NW 15 G 25 10.00 Mostly Cloudy SCT065 BKN080 52 24.1 34% 30.21 1024.8
20 13:56 NW 13 G 23 10.00 Partly Cloudy FEW055 SCT070 53.1 27 53.1 43 37% 30.22 1024.9
20 12:56 NW 10 10.00 Overcast BKN047 OVC075 51.1 30 45% 30.23 1025.3
20 11:56 NW 8 10.00 Mostly Cloudy SCT042 BKN050 BKN070 48.9 34 56% 46 30.23 1025.4
20 10:56 W 6 10.00 Light Rain FEW025 BKN035 OVC050 43 36 76% 40 30.23 1025.6
20 09:56 W 10 G 18 10.00 Mostly Cloudy FEW044 SCT070 BKN080 48.9 30.9 50% 45 30.19 1024.1
20 08:56 NW 12 G 20 10.00 A Few Clouds FEW085 48 35.1 61% 44 30.19 1023.9
20 07:56 NW 7 10.00 Overcast OVC080 45 35.1 46 37 68% 42 30.18 1023.6
20 06:56 NW 9 10.00 Overcast OVC100 45 34 66% 41 30.16 1023.1
20 05:56 W 7 10.00 Overcast BKN100 OVC120 43 33.1 68% 39 30.15 1022.5
20 04:56 W 6 10.00 Overcast BKN075 OVC090 46 33.1 61% 44 30.15 1022.5
20 03:56 Calm 10.00 Overcast SCT065 OVC075 42.1 36 79% 30.14 1022.1
20 02:56 Calm 10.00 Overcast SCT090 OVC110 39 37 93% 30.13 1022.0
20 01:56 Calm 10.00 A Few Clouds FEW075 37.9 34 51.1 36 86% 30.15 1022.6
20 00:56 Calm 10.00 Mostly Cloudy BKN090 37 36 96% 30.15 1022.7
19 23:56 Calm 10.00 Fair CLR 37 35.1 93% 30.14 1022.4
19 22:56 Calm 10.00 Fair CLR 39 33.1 79% 30.13 1022.2
19 21:56 Calm 10.00 Fair CLR 41 30 65% 30.12 1021.8
19 20:56 Calm 10.00 Fair CLR 46 24.1 42% 30.1 1020.8
19 19:56 NW 9 10.00 Fair CLR 51.1 21.9 57.9 51.1 32% 30.07 1019.6
19 18:56 NW 16 G 23 10.00 Partly Cloudy SCT085 55 21 26% 30.04 1018.7
19 17:56 NW 17 G 23 10.00 Overcast OVC085 57 24.1 28% 30.02 1017.7
19 16:56 NW 12 G 26 10.00 Mostly Cloudy BKN070 55 28 36% 29.99 1016.9
19 15:56 NW 18 G 23 10.00 Partly Cloudy FEW060 SCT080 55 32 42% 29.99 1016.7
19 14:56 NW 13 G 20 10.00 Overcast BKN044 OVC055 55.9 39 53% 29.99 1016.8
19 13:56 NW 12 G 22 10.00 Mostly Cloudy BKN040 52 39 53.1 46.9 61% 29.99 1017.0 0.11
19 12:56 NW 8 G 17 10.00 Overcast FEW029 SCT042 OVC049 50 44.1 80% 47 30 1017.3
19 11:56 NW 9 10.00 Overcast BKN016 BKN040 OVC070 48 46.9 96% 44 29.99 1016.8 0.01
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)