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.
13 10:56 Vrbl 6 10.00 Overcast OVC033 48 32 54% 46 29.7 1007.1
13 09:56 Vrbl 6 G 16 10.00 Overcast OVC031 44.1 30.9 60% 41 29.69 1006.9
13 07:56 N 8 G 21 10.00 Mostly Cloudy FEW029 BKN045 43 32 65% 39 29.65 1005.4
13 06:56 Vrbl 7 G 23 10.00 Overcast BKN030 OVC035 43 32 46.9 43 65% 39 29.62 1004.3
13 05:56 Vrbl 6 G 17 10.00 Overcast OVC030 43 34 71% 40 29.6 1003.7
13 04:56 NW 10 G 16 10.00 Overcast OVC032 43 33.1 68% 38 29.58 1003.1
13 03:56 Vrbl 7 G 16 10.00 Overcast OVC030 44.1 34 68% 41 29.57 1002.8
13 02:56 Vrbl 7 G 20 10.00 Overcast OVC028 45 35.1 68% 42 29.56 1002.5
13 01:56 NW 9 G 18 10.00 Overcast OVC024 46 37 71% 42 29.55 1001.8
13 00:56 NW 8 G 18 10.00 Overcast OVC028 46.9 37.9 54 46.9 71% 44 29.54 1001.5
12 23:56 NW 14 G 18 10.00 Overcast OVC026 46.9 39 74% 42 29.52 1001.1
12 22:56 NW 14 G 21 10.00 Overcast OVC041 48 39.9 74% 43 29.52 1000.9
12 21:56 Vrbl 7 10.00 Mostly Cloudy FEW027 BKN045 50 41 71% 48 29.52 1001.1
12 20:56 Vrbl 7 10.00 Mostly Cloudy BKN035 51.1 42.1 71% 29.5 1000.4
12 19:56 NW 10 G 20 10.00 Overcast SCT035 OVC043 52 42.1 69% 29.49 999.9
12 18:56 W 15 G 21 10.00 Overcast OVC037 54 43 62.1 54 67% 29.48 999.7
12 17:56 NW 14 G 20 10.00 Mostly Cloudy BKN048 55 43 64% 29.47 999.1
12 16:56 W 14 10.00 Overcast SCT031 BKN044 OVC050 57 46.9 69% 29.44 998.5
12 15:56 NW 8 10.00 Overcast FEW044 OVC055 59 48 67% 29.43 997.8
12 14:56 W 10 10.00 Mostly Cloudy BKN090 BKN110 61 48 63% 29.42 997.4
12 13:56 NW 10 G 16 10.00 A Few Clouds FEW025 61 50 67% 29.41 997.3
12 12:56 W 5 10.00 A Few Clouds FEW019 60.1 51.1 62.1 52 72% 29.43 997.8 0.02
12 11:56 W 7 10.00 Mostly Cloudy BKN013 59 54 83% 29.46 998.9
12 10:56 Vrbl 3 9.00 Overcast SCT006 OVC080 55.9 55.9 100% 29.48 999.6 0.01
12 09:56 NE 3 3.00 Light Rain Fog/Mist SCT006 SCT012 OVC070 53.1 53.1 100% 29.51 1000.7 0.01 0.01
12 08:56 SW 5 5.00 Light Rain Fog/Mist OVC004 53.1 53.1 100% 29.53 1001.4
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
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)