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.
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
24 00:56 NW 7 10.00 Fair CLR 36 19.9 52% 31 30.32 1028.3
23 23:56 NW 9 G 18 10.00 Overcast OVC060 37.9 21 51% 32 30.3 1027.5
23 22:56 NW 15 G 22 10.00 A Few Clouds FEW065 39 21 48% 31 30.27 1026.8
23 21:56 Vrbl 6 G 21 10.00 Partly Cloudy SCT065 42.1 23 47% 39 30.25 1026.1
23 20:56 Vrbl 7 10.00 Mostly Cloudy FEW048 BKN065 43 26.1 51% 39 30.22 1025.0
23 19:56 Vrbl 3 10.00 Overcast OVC060 44.1 28 57 44.1 53% 30.18 1023.8
23 18:56 N 5 10.00 Overcast OVC060 45 27 49% 43 30.16 1022.8
23 17:56 NW 10 G 28 10.00 Overcast OVC050 46.9 27 46% 43 30.12 1021.4
23 16:56 NW 13 G 30 10.00 Mostly Cloudy BKN050 50 28 43% 46 30.06 1019.4
23 15:56 NW 12 G 35 10.00 A Few Clouds FEW044 50 30.9 48% 46 30.02 1017.9
23 14:56 NW 17 G 26 10.00 Overcast OVC042 54 35.1 49% 29.97 1016.1
23 13:56 NW 14 G 29 10.00 Mostly Cloudy BKN035 57 39.9 64 55 53% 29.95 1015.4
23 12:56 N 10 G 16 10.00 Mostly Cloudy FEW020 BKN025 BKN032 57.9 46.9 67% 29.92 1014.4
23 11:56 N 9 G 22 10.00 Overcast FEW021 BKN025 OVC035 55.9 51.1 84% 29.88 1013.0
23 10:56 NW 18 G 26 10.00 Overcast BKN027 OVC040 63 54 73% 29.81 1010.6
23 09:56 W 8 10.00 Partly Cloudy SCT041 60.8 0 0% 29.78 1009.4
23 08:56 W 5 10.00 Overcast OVC037 57.2 0 0% 29.75 1008.4
23 07:56 W 3 8.00 Fair CLR 55.4 0 62.1 55 0% 29.72 1007.6 0.09
23 06:56 Calm 10.00 Mostly Cloudy SCT100 BKN110 55.4 0 0% 29.68 1006.1 0.05
23 05:56 Calm 7.00 Rain BKN080 OVC100 57 57 100% 29.7 1006.8 0.04
23 04:56 Calm 10.00 Overcast OVC060 59 55 87% 29.72 1007.4
23 03:56 N 9 10.00 Overcast OVC011 60.1 60.1 100% 29.71 1007.2
23 02:56 Vrbl 5 10.00 Fair CLR 60.1 60.1 100% 29.67 1005.9
23 01:56 Vrbl 5 10.00 Fair CLR 62.1 57 77 61 84% 29.66 1005.2
23 00:56 Calm 10.00 Fair CLR 63 54 73% 29.63 1004.3
22 23:56 E 5 10.00 Fair CLR 66 53.1 63% 29.63 1004.2
22 22:56 NE 7 10.00 A Few Clouds FEW120 69.1 52 55% 29.65 1005.1
22 21:56 Calm 10.00 Fair CLR 70 48.9 47% 29.65 1005.2
22 20:56 Calm 10.00 Fair CLR 72 48 43% 29.64 1005.1
22 19:56 S 7 10.00 Fair CLR 75.9 48 84 75.9 37% 78 29.62 1004.4
22 18:56 S 9 10.00 Fair CLR 81 46.9 30% 80 29.61 1003.9
22 17:56 S 10 G 22 10.00 Fair CLR 82.9 48.9 31% 81 29.61 1003.7
22 16:56 S 13 G 20 10.00 Fair CLR 82.9 51.1 33% 81 29.64 1004.7
22 15:56 S 12 10.00 Fair CLR 82.9 51.1 33% 81 29.67 1005.7
22 14:56 S 9 10.00 Fair CLR 82 51.1 34% 81 29.71 1007.0
22 13:56 S 7 10.00 Fair CLR 77 50 78.1 46 39% 78 29.76 1008.6
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)