Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (est) 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.
12 07:56 SE 7 0.75 Fog/Mist OVC002 53.1 53.1 100% 29.53 1001.4
12 06:56 E 5 0.25 Fog OVC002 52 52 52 46 100% 29.54 1001.7
12 05:56 Calm 7.00 Overcast OVC004 51.1 50 96% 29.57 1002.5
12 04:56 Calm 6.00 Fog/Mist OVC006 46.9 46.9 100% 29.59 1003.4
12 03:56 Calm 10.00 Fair CLR 48 48 100% 29.6 1003.6
12 02:56 Calm 10.00 Fair CLR 48 48 100% 29.63 1004.5
12 01:56 Calm 10.00 A Few Clouds FEW085 48.9 48.9 100% 29.66 1005.5
12 00:56 Calm 10.00 Partly Cloudy SCT090 50 50 57 50 100% 29.69 1006.6
11 23:56 Calm 10.00 Overcast OVC090 53.1 50 89% 29.71 1007.4
11 22:56 SE 5 10.00 Mostly Cloudy BKN080 53.1 46.9 80% 29.73 1008.0
11 21:56 SE 7 10.00 A Few Clouds FEW080 54 46 75% 29.75 1008.8
11 20:56 SE 5 10.00 Fair CLR 55 45 69% 29.78 1009.7
11 19:56 E 5 10.00 Fair CLR 55 43 64% 29.79 1010.1
11 17:56 SE 6 10.00 Fair CLR 60.1 45 58% 29.82 1011.3
11 16:56 SE 6 10.00 Mostly Cloudy BKN070 62.1 44.1 52% 29.84 1011.8
11 15:56 SE 8 10.00 Fair CLR 64.9 45 49% 29.84 1011.7
11 14:56 S 12 10.00 Fair CLR 68 45 44% 29.86 1012.2
11 13:56 S 9 10.00 Fair CLR 68 44.1 42% 29.88 1013.1
11 12:56 SE 5 10.00 Fair CLR 66.9 41 68 43 39% 29.91 1014.2
11 11:56 Vrbl 5 10.00 Fair CLR 66 39 37% 29.95 1015.4
11 10:56 SE 6 10.00 Overcast OVC075 64 39.9 41% 29.99 1016.7
11 09:56 Calm 10.00 Overcast OVC070 57.9 46.9 67% 30.01 1017.6
11 08:56 Calm 10.00 Overcast OVC070 50 46 86% 30.02 1018.0
11 07:56 SE 3 10.00 Overcast OVC065 48.9 45 86% 30.01 1017.8
11 06:56 Calm 10.00 Mostly Cloudy BKN060 43 42.1 44.1 41 97% 30.01 1017.8
11 05:56 Calm 10.00 Fair CLR 42.1 41 96% 30 1017.6
11 04:56 Calm 10.00 A Few Clouds FEW060 42.1 42.1 100% 30.01 1017.6
11 03:56 Calm 10.00 A Few Clouds FEW060 42.1 41 96% 30.01 1017.6
11 02:56 Calm 10.00 A Few Clouds FEW060 44.1 41 89% 30.01 1017.6
11 01:56 Calm 10.00 A Few Clouds FEW060 44.1 41 89% 30.02 1017.8
11 00:56 Calm 10.00 Fair CLR 43 41 57 43 93% 30.02 1017.9
10 23:56 Calm 10.00 Fair CLR 45 41 86% 30.02 1017.9
10 22:56 Calm 10.00 Fair CLR 48 39.9 74% 30.02 1017.9
10 21:56 Calm 10.00 Fair CLR 48.9 41 74% 30.02 1018.0
10 20:56 Calm 10.00 Fair CLR 51.1 41 69% 30.01 1017.6
10 19:56 Calm 10.00 Fair CLR 55 39.9 57% 30 1017.2
10 18:56 W 5 10.00 Fair CLR 57 39 69.1 55.9 51% 29.98 1016.8
10 17:56 SW 3 10.00 Fair CLR 62.1 37 40% 29.97 1016.4
10 16:56 W 5 10.00 Fair CLR 64 37 37% 29.95 1015.5
10 15:56 NW 14 G 18 10.00 Fair CLR 68 37 32% 29.94 1015.4
10 14:56 W 8 10.00 Fair CLR 68 37 32% 29.95 1015.4
10 13:56 SW 7 10.00 Fair CLR 66.9 39 36% 29.96 1015.9
10 12:56 W 10 G 17 10.00 Fair CLR 66 37.9 66 37 36% 29.98 1016.7
10 11:56 SW 9 10.00 Fair CLR 64.9 39 39% 30.01 1017.7
10 10:56 SW 8 10.00 Fair CLR 62.1 39 43% 30.04 1018.8
10 09:56 SW 10 G 16 10.00 Fair CLR 57.9 39 50% 30.06 1019.5
10 07:56 Calm 10.00 Fair CLR 42.1 37.9 85% 30.08 1020.1
10 06:56 Calm 10.00 Fair CLR 37.9 37 42.1 37 97% 30.08 1020.1
10 05:56 Calm 10.00 Fair CLR 37 37 100% 30.09 1020.5
10 04:56 Calm 10.00 Fair CLR 37.9 37.9 100% 30.09 1020.4
10 03:56 Calm 10.00 Fair CLR 37.9 37.9 100% 30.08 1020.2
10 02:56 Calm 10.00 Fair CLR 37.9 37.9 100% 30.08 1020.2
10 01:56 Calm 10.00 Fair CLR 37.9 37 97% 30.09 1020.5
10 00:56 Calm 10.00 Fair CLR 37.9 37 50 37.9 97% 30.09 1020.5
09 23:56 Calm 10.00 Fair CLR 37.9 37.9 100% 30.09 1020.6
09 22:56 Calm 10.00 Fair CLR 41 36 82% 30.08 1020.3
09 21:56 Calm 10.00 Fair CLR 44.1 35.1 71% 30.09 1020.5
09 20:56 Calm 10.00 Fair CLR 46.9 35.1 63% 30.09 1020.5
09 19:56 Calm 10.00 Fair CLR 48.9 36 61% 30.08 1020.1
09 18:56 NW 3 10.00 Fair CLR 50 35.1 63 50 57% 30.07 1019.8
09 17:56 NW 6 10.00 Fair CLR 52 36 55% 30.05 1019.2
09 16:56 NW 6 G 18 10.00 Fair CLR 55.9 35.1 46% 30.02 1018.1
09 15:56 NW 8 G 21 10.00 Fair CLR 57.9 37 46% 30 1017.3
09 14:56 N 9 G 29 10.00 Fair CLR 60.1 36 41% 29.98 1016.6
09 13:56 NW 10 G 22 10.00 Mostly Cloudy BKN060 62.1 37 40% 29.97 1016.3
09 12:56 NW 13 G 22 10.00 Partly Cloudy SCT060 62.1 37 63 50 40% 29.96 1015.9
09 11:56 W 18 G 29 10.00 Mostly Cloudy BKN060 61 37 41% 29.97 1016.1
09 10:56 NW 15 G 28 10.00 Mostly Cloudy BKN055 61 37.9 43% 29.98 1016.3
09 09:56 W 15 G 28 10.00 Mostly Cloudy BKN050 57.9 37.9 48% 29.97 1016.2
09 08:56 W 13 10.00 Fair CLR 55.9 39 53% 29.96 1016.1
Date Time (est) 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)