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.
27 00:56 SW 10 G 20 10.00 Fair CLR 73 53.1 50% 29.74 1008.0
26 23:56 SW 12 G 17 10.00 Fair CLR 73 53.1 50% 29.74 1008.1
26 22:56 SW 13 G 23 10.00 Fair CLR 73 53.1 50% 29.73 1007.6
26 21:56 SW 12 G 22 10.00 Fair CLR 73.9 52 46% 29.71 1006.8
26 20:56 SW 13 G 21 10.00 Fair CLR 73.9 52 46% 29.74 1008.2
26 19:56 S 10 G 22 10.00 Fair CLR 75 52 80.1 75 45% 78 29.75 1008.4
26 18:56 SW 9 G 28 10.00 Fair CLR 77 53.1 43% 78 29.77 1009.2
26 17:56 SW 13 G 22 10.00 A Few Clouds FEW080 78.1 52 40% 79 29.8 1010.1
26 16:56 SW 13 G 20 10.00 Overcast OVC100 79 52 39% 79 29.83 1011.1
26 15:56 SW 10 G 20 10.00 Fair CLR 80.1 51.1 37% 80 29.84 1011.6
26 14:56 SW 12 G 20 10.00 Fair CLR 79 50 36% 79 29.88 1012.9
26 13:56 SW 13 G 17 10.00 Fair CLR 78.1 48 78.1 53.1 35% 78 29.93 1014.6
26 12:56 W 14 G 18 10.00 Fair CLR 75 46 36% 77 29.96 1015.8
26 11:56 SW 9 10.00 Fair CLR 72 44.1 37% 29.99 1016.7
26 10:56 S 8 10.00 Fair CLR 66.9 39.9 37% 30.01 1017.4
26 09:56 SW 9 10.00 Fair CLR 62.1 37 40% 30.02 1018.0
26 08:56 S 7 10.00 Fair CLR 57 36 45% 30.03 1018.3
26 07:56 SW 3 10.00 Fair CLR 53.1 35.1 53.1 46.9 51% 30.04 1018.5
26 06:56 Calm 10.00 Fair CLR 48 35.1 61% 30.03 1018.6
26 05:56 S 3 10.00 Fair CLR 48 35.1 61% 30.03 1018.2
26 04:56 S 5 10.00 Fair CLR 51.1 34 52% 30.03 1018.2
26 03:56 S 8 10.00 Fair CLR 53.1 35.1 51% 30.03 1018.1
26 02:56 S 8 10.00 Overcast OVC100 52 36 55% 30.05 1018.8
26 01:56 S 8 10.00 Overcast OVC110 51.1 37 54 50 59% 30.07 1019.8
26 00:56 S 9 10.00 A Few Clouds FEW110 50 37 61% 47 30.1 1020.8
25 23:56 SE 10 10.00 Overcast OVC100 51.1 36 56% 30.12 1021.6
25 22:56 SE 10 10.00 Fair CLR 52 35.1 53% 30.12 1021.4
25 21:56 SE 8 10.00 Fair CLR 52 32 47% 30.14 1022.1
25 20:56 SE 10 10.00 Fair CLR 53.1 32 45% 30.16 1022.8
25 19:56 SE 12 10.00 Fair CLR 54 30 60.1 54 40% 30.16 1022.9
25 18:56 S 12 10.00 Fair CLR 55 26.1 33% 30.16 1023.0
25 17:56 S 12 10.00 Mostly Cloudy BKN110 57 27 32% 30.18 1023.4
25 16:56 S 12 G 20 10.00 A Few Clouds FEW110 57 26.1 30% 30.21 1024.3
25 15:56 S 15 G 22 10.00 Mostly Cloudy BKN110 59 25 27% 30.22 1024.9
25 14:56 S 10 10.00 A Few Clouds FEW110 59 28 31% 30.24 1025.7
25 13:56 S 13 G 20 10.00 Fair CLR 55.9 28.9 57 39.9 36% 30.3 1027.4
25 12:56 SE 13 10.00 Partly Cloudy SCT090 53.1 30.9 43% 30.33 1028.7
25 11:56 S 10 10.00 Partly Cloudy SCT110 51.1 30.9 46% 30.36 1029.8
25 10:56 S 7 10.00 Overcast OVC095 50 30.9 48% 48 30.37 1030.2
25 09:56 S 9 10.00 Fair CLR 48 30.9 52% 44 30.37 1030.2
25 08:56 SW 8 10.00 A Few Clouds FEW100 43 30 60% 39 30.37 1030.1
25 07:56 S 5 10.00 Mostly Cloudy BKN110 39.9 30 42.1 39 68% 37 30.38 1030.3
25 06:56 S 6 10.00 Fair CLR 39.9 30.9 70% 36 30.36 1029.9
25 05:56 Vrbl 5 10.00 Fair CLR 39 30.9 73% 36 30.36 1029.7
25 04:56 S 6 10.00 Fair CLR 39.9 30 68% 36 30.35 1029.3
25 03:56 S 3 10.00 Fair CLR 39.9 30 68% 30.35 1029.5
25 02:56 S 7 10.00 Fair CLR 41 30 65% 37 30.36 1029.6
25 01:56 S 5 10.00 Mostly Cloudy BKN110 42.1 28.9 48 39.9 60% 40 30.36 1029.7
25 00:56 SE 5 10.00 Fair CLR 42.1 28 58% 40 30.37 1030.1
24 23:56 SE 5 10.00 Fair CLR 39.9 27 60% 37 30.37 1030.3
24 22:56 Calm 10.00 Fair CLR 42.1 26.1 53% 30.37 1030.2
24 21:56 SE 7 10.00 Fair CLR 43 21 42% 39 30.37 1030.2
24 20:56 SE 5 10.00 Fair CLR 45 19 35% 43 30.37 1030.2
24 19:56 Calm 10.00 Fair CLR 48 17.1 52 46 29% 30.35 1029.6
24 18:56 SW 5 10.00 Fair CLR 48 15.1 27% 47 30.35 1029.6
24 17:56 SW 8 10.00 Fair CLR 51.1 18 27% 30.34 1029.4
24 16:56 Vrbl 6 10.00 Fair CLR 51.1 19 28% 30.34 1029.3
24 15:56 W 6 10.00 Fair CLR 48.9 18 29% 47 30.36 1030.1
24 14:56 S 6 10.00 Fair CLR 50 18 28% 48 30.39 1030.7
24 13:56 Calm 10.00 Fair CLR 48 18 48 28.9 30% 30.41 1031.7
24 12:56 Calm 10.00 Fair CLR 46 19 34% 30.44 1032.7
24 11:56 E 3 10.00 Fair CLR 44.1 18 35% 30.46 1033.4
24 09:56 N 6 10.00 Fair CLR 39 19 45% 35 30.46 1033.5
24 08:56 N 7 10.00 Fair CLR 35.1 19 52% 30 30.44 1032.6
24 07:56 W 5 10.00 Fair CLR 28.9 21 35.1 28 72% 25 30.42 1032.2
24 06:56 W 3 10.00 Fair CLR 28 19 69% 30.4 1031.5
24 05:56 NW 3 10.00 Fair CLR 28.9 21 72% 30.37 1030.4
24 04:56 NW 3 10.00 Fair CLR 28.9 21.9 75% 30.36 1030.1
24 03:56 NW 3 10.00 Fair CLR 32 19.9 61% 30.35 1029.6
24 02:56 NW 7 10.00 Fair CLR 33.1 19 56% 28 30.34 1029.2
24 01:56 NW 8 10.00 Fair CLR 35.1 19 44.1 35.1 52% 29 30.33 1028.8
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)