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.
13 01:56 S 9 10.00 Fair CLR 57.9 46 64.9 55.9 65% 30.05 1018.9
13 00:56 SE 9 10.00 Fair CLR 57 48 72% 30.07 1019.6
12 23:56 SE 8 10.00 Fair CLR 57 46 67% 30.08 1019.9
12 22:56 SE 7 10.00 Fair CLR 57 45 64% 30.1 1020.4
12 21:56 SE 9 10.00 Fair CLR 60.1 45 58% 30.11 1020.8
12 20:56 SE 7 10.00 Fair CLR 63 44.1 50% 30.1 1020.3
12 19:56 SE 9 10.00 Fair CLR 64.9 44.1 72 64.9 47% 30.09 1020.3
12 18:56 S 8 10.00 Fair CLR 70 44.1 39% 30.09 1020.4
12 17:56 S 8 10.00 Fair CLR 71.1 42.1 35% 30.1 1020.7
12 16:56 S 8 10.00 Fair CLR 71.1 41 34% 30.12 1021.3
12 15:56 S 8 10.00 Fair CLR 71.1 39 31% 30.12 1021.3
12 14:56 Vrbl 7 10.00 Fair CLR 69.1 39 33% 30.15 1022.3
12 13:56 SW 7 10.00 Fair CLR 66 39 66.9 46.9 37% 30.18 1023.5
12 12:56 Vrbl 3 10.00 Fair CLR 64.9 35.1 33% 30.21 1024.3
12 11:56 Vrbl 6 10.00 Fair CLR 62.1 34 35% 30.24 1025.3
12 10:56 Calm 10.00 Fair CLR 61 33.1 35% 30.26 1025.9
12 08:56 Calm 10.00 Fair CLR 54 35.1 49% 30.27 1026.5
12 07:56 Calm 10.00 Fair CLR 46.9 39.9 46.9 37.9 77% 30.25 1026.0
12 06:56 Calm 10.00 Fair CLR 41 41 100% 30.24 1025.7
12 05:56 Calm 10.00 Fair CLR 39.2 0 0% 30.21 1024.7
12 04:56 Calm 10.00 Fair CLR 39.2 0 0% 30.21 1024.5
12 03:56 Calm 10.00 Fair CLR 41 0 0% 30.19 1023.9
12 02:56 Calm 10.00 A Few Clouds FEW095 42.8 0 0% 30.19 1023.7
12 01:56 Calm 10.00 Fair CLR 43 43 57.9 43 100% 30.18 1023.6
12 00:56 Calm 10.00 Fair CLR 44.1 44.1 100% 30.18 1023.4
11 23:56 Calm 10.00 Fair CLR 46.9 46 97% 30.18 1023.4
11 22:56 W 3 10.00 Fair CLR 50 42.1 74% 30.17 1023.2
11 21:56 SW 3 10.00 Fair CLR 53.1 39 59% 30.16 1022.7
11 20:56 Calm 10.00 Fair CLR 48.9 39.9 71% 30.14 1022.2
11 19:56 Calm 10.00 Fair CLR 57 32 64 55.9 39% 30.12 1021.4
11 18:56 Calm 10.00 Fair CLR 61 30 31% 30.12 1021.1
11 17:56 Calm 10.00 Fair CLR 62.1 32 32% 30.11 1020.9
11 16:56 Vrbl 3 10.00 Fair CLR 62.1 32 32% 30.11 1020.6
11 15:56 Vrbl 5 10.00 Fair CLR 62.1 37 40% 30.12 1021.1
11 14:56 Calm 10.00 Fair CLR 55.9 37 49% 30.14 1022.1
11 13:56 Calm 10.00 Fair CLR 55.9 37.9 55.9 51.1 51% 30.16 1022.8
11 12:56 W 3 10.00 Overcast OVC110 54 37 53% 30.18 1023.4
11 11:56 Calm 10.00 Mostly Cloudy BKN120 54 36 51% 30.19 1023.6
11 10:56 NW 3 10.00 Overcast OVC110 53.1 37 55% 30.2 1024.0
11 09:56 Calm 10.00 Overcast FEW050 BKN070 OVC085 52 39.9 64% 30.17 1022.9
11 08:56 Calm 10.00 Light Rain BKN070 OVC080 51.1 41 69% 30.17 1022.9
11 07:56 Vrbl 3 10.00 Overcast FEW070 OVC090 52 37.9 57 52 59% 30.16 1022.6
11 06:56 Calm 10.00 Mostly Cloudy BKN095 BKN120 52 37 57% 30.14 1021.8
11 05:56 Calm 10.00 Overcast OVC090 52 37 57% 30.11 1021.0
11 04:56 Vrbl 3 10.00 Overcast OVC075 53.1 39 59% 30.1 1020.6
11 03:56 Vrbl 5 10.00 Overcast OVC070 54 41 62% 30.1 1020.3
11 02:56 Vrbl 5 10.00 Overcast OVC080 54 44.1 69% 30.08 1019.7
11 01:56 Vrbl 3 10.00 Overcast OVC090 57 57 62.1 57 100% 30.08 1019.7
11 00:56 Calm 10.00 Mostly Cloudy SCT080 BKN100 57.2 0 0% 30.07 1019.4
10 23:56 Calm 9.00 Mostly Cloudy BKN060 59 0 0% 30.06 1018.8
10 22:56 Calm 6.00 Overcast with Haze SCT019 OVC055 60.8 0 0% 30.06 1019.1
10 21:56 Calm 10.00 Light Rain BKN060 OVC090 60.8 0 0% 30.05 1018.7
10 20:56 Calm 10.00 Overcast SCT080 OVC100 60.8 0 0% 30.02 1017.7
10 19:56 Calm 10.00 Overcast BKN085 OVC100 62.6 0 82 62.1 0% 30 1017.1 0.01 0.06
10 18:56 Calm 10.00 Overcast OVC085 62.6 0 0% 29.97 1016.3 0.01
10 17:56 Calm 10.00 Overcast BKN090 OVC110 64.4 0 0% 29.95 1015.4 0.02
10 16:56 Vrbl 5 6.00 Rain Fog/Mist BKN075 OVC090 64.9 64 97% 29.95 1015.6 0.02 0.02
10 15:56 W 8 10.00 Overcast BKN075 OVC100 75 48.9 40% 77 29.92 1014.2
10 14:56 NW 8 10.00 Mostly Cloudy SCT075 BKN090 78.1 50 37% 79 29.93 1014.5
10 13:56 Vrbl 3 10.00 Fair CLR 80.1 52 80.1 61 38% 80 29.94 1014.7
10 12:56 SW 13 G 18 10.00 Fair CLR 80.1 53.1 39% 80 29.95 1015.1
10 11:56 NW 9 10.00 Fair CLR 75.9 55 48% 78 29.95 1015.4
10 10:56 W 9 10.00 Fair CLR 73.9 52 46% 29.95 1015.4
10 09:56 W 5 10.00 Fair CLR 72 53.1 52% 29.94 1015.0
10 08:56 Calm 10.00 Fair CLR 66 55 68% 29.94 1015.0
10 07:56 Calm 10.00 Fair CLR 60.1 59 60.1 48 96% 29.94 1014.9
10 06:56 Calm 3.00 Fog/Mist CLR 50 0 0% 29.92 1014.4
10 05:56 SE 3 4.00 Fair with Haze CLR 50 0 0% 29.88 1013.2
10 04:56 Calm 4.00 Fair with Haze CLR 48.2 0 0% 29.88 1013.3
10 03:56 Calm 5.00 Fair with Haze CLR 50 0 0% 29.88 1013.0
10 02:56 Calm 10.00 Fair CLR 51.8 0 0% 29.85 1012.2
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)