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.
18 21:56 W 6 10.00 Fair CLR 73 59 62% 29.74 1008.1
18 20:56 W 5 10.00 Fair CLR 75 61 62% 77 29.72 1007.4
18 19:56 W 8 10.00 Fair CLR 79 62.1 84.9 79 56% 80 29.71 1006.7
18 18:56 W 8 10.00 Fair CLR 81 63 54% 82 29.7 1006.3
18 17:56 W 8 10.00 Fair CLR 82 66 58% 84 29.69 1006.1
18 16:56 W 10 G 18 10.00 Fair CLR 82 66.9 60% 85 29.68 1005.6
18 15:56 W 16 G 23 10.00 Fair CLR 82 66 58% 84 29.67 1005.3
18 14:56 W 13 G 21 10.00 Fair CLR 82.9 66.9 59% 86 29.66 1005.2
18 13:56 W 15 G 24 10.00 Fair CLR 84 66.9 84.9 68 57% 87 29.68 1005.7 0.03
18 12:56 SW 10 G 18 10.00 Fair CLR 82.9 69.1 63% 87 29.68 1005.7
18 11:56 SW 7 10.00 Fair CLR 77 69.1 77% 79 29.69 1006.2
18 10:56 Vrbl 5 10.00 Fair CLR 73 68 84% 29.67 1005.7 0.01 0.03
18 09:56 W 12 G 18 10.00 Light Rain FEW040 BKN060 OVC070 70 70 100% 29.74 1008.1
18 08:56 W 5 10.00 Light Rain FEW075 SCT110 70 70 100% 29.72 1007.4 0.02
18 07:56 Calm 7.00 Light Rain SCT090 BKN110 70 66.9 75 70 90% 29.72 1007.2 0.01 0.01
18 06:56 SW 6 10.00 A Few Clouds FEW120 73.9 63 69% 29.71 1006.9
18 05:56 S 7 10.00 Fair CLR 73.9 63 69% 29.68 1006.0
18 04:56 S 3 10.00 Fair CLR 73.9 64.9 74% 29.7 1006.6
18 03:56 S 9 10.00 Fair CLR 73.9 66 76% 29.71 1006.9
18 02:56 SE 8 10.00 A Few Clouds FEW120 73.9 66 76% 29.74 1007.7
18 01:56 Vrbl 7 10.00 Overcast OVC110 75 66 82 75 74% 76 29.78 1009.3
18 00:56 S 8 10.00 Fair CLR 75.9 64.9 69% 78 29.78 1009.0
17 23:56 S 8 10.00 Fair CLR 75.9 64.9 69% 78 29.79 1009.6
17 22:56 SE 7 10.00 Fair CLR 75.9 64 67% 78 29.78 1009.1
17 21:56 SE 9 10.00 Fair CLR 77 61 58% 79 29.76 1008.5
17 20:56 S 7 10.00 Fair CLR 79 57.9 49% 80 29.77 1008.8
17 19:56 S 8 10.00 A Few Clouds FEW100 82 57.9 87.1 82 44% 82 29.77 1008.8
17 18:56 S 7 G 16 10.00 Partly Cloudy FEW070 SCT100 82.9 57.9 43% 83 29.77 1009.1
17 17:56 S 12 G 17 10.00 A Few Clouds FEW075 86 57.9 39% 85 29.76 1008.7
17 16:56 S 10 G 17 10.00 Partly Cloudy FEW075 SCT090 86 57.9 39% 85 29.77 1008.9
17 15:56 S 12 10.00 Partly Cloudy SCT075 86 59 40% 85 29.78 1009.2
17 14:56 S 8 10.00 Overcast BKN065 OVC080 82.9 57.9 43% 83 29.78 1009.5
17 13:56 W 8 10.00 Mostly Cloudy BKN065 84 59 84 71.1 43% 84 29.8 1009.9
17 12:56 W 8 10.00 Overcast BKN060 OVC080 79 59 50% 80 29.82 1010.9
17 11:56 SW 8 10.00 A Few Clouds FEW049 82.9 60.1 46% 83 29.78 1009.4
17 10:56 W 6 10.00 Fair CLR 80.1 61 52% 81 29.82 1010.8
17 09:56 W 7 10.00 Fair CLR 77 63 62% 79 29.84 1011.2
17 08:56 SW 5 10.00 Fair CLR 73.9 63 69% 29.84 1011.4
17 07:56 Vrbl 5 10.00 Fair CLR 71.1 63 71.1 59 76% 29.84 1011.2
17 06:56 SE 6 10.00 Fair CLR 64 62.1 93% 29.83 1011.1
17 05:56 SE 3 10.00 Fair CLR 59 59 100% 29.82 1010.6
17 04:56 Calm 10.00 Fair CLR 60.1 60.1 100% 29.8 1010.1
17 03:56 Calm 10.00 Fair CLR 61 60.1 97% 29.81 1010.4
17 02:56 Calm 10.00 Fair CLR 61 59 93% 29.81 1010.4
17 01:56 SE 3 10.00 Fair CLR 63 57 75 63 81% 29.82 1010.7
17 00:56 Vrbl 6 10.00 Fair CLR 64.9 55.9 73% 29.82 1011.0
16 23:56 Calm 10.00 Partly Cloudy SCT060 66 55 68% 29.83 1011.2
16 22:56 Calm 10.00 Partly Cloudy SCT055 66.9 55 66% 29.83 1011.2
16 21:56 Vrbl 3 10.00 Overcast BKN085 OVC110 68 53.1 59% 29.84 1011.4
16 20:56 Calm 10.00 Mostly Cloudy BKN100 68 51.1 55% 29.83 1011.3
16 19:56 S 3 10.00 Fair CLR 75 50 79 73.9 42% 78 29.83 1011.1
16 18:56 Vrbl 3 10.00 Fair CLR 77 48 36% 78 29.83 1011.2
16 17:56 Vrbl 5 G 16 10.00 Fair CLR 78.1 48 35% 78 29.83 1011.1
16 16:56 Vrbl 5 10.00 Fair CLR 77 46 33% 78 29.85 1011.9
16 15:56 Vrbl 5 10.00 Fair CLR 78.1 46 32% 78 29.86 1012.2
16 14:56 Vrbl 3 10.00 Fair CLR 75.9 45 33% 77 29.88 1012.7
16 13:56 Vrbl 5 10.00 Fair CLR 75 46 75 60.1 36% 77 29.89 1013.3
16 12:56 W 6 10.00 Fair CLR 73.9 46 37% 29.92 1014.2
16 11:56 Vrbl 3 10.00 Fair CLR 72 46.9 41% 29.94 1014.8
16 10:56 Calm 10.00 Fair CLR 69.1 45 42% 29.95 1015.3
16 09:56 Vrbl 3 10.00 Fair CLR 69.1 44.1 41% 29.96 1015.7
16 08:56 W 6 10.00 Fair CLR 64.9 46.9 52% 29.97 1016.1
16 07:56 NW 5 10.00 Fair CLR 60.1 51.1 60.1 50 72% 29.98 1016.1
16 06:56 Calm 10.00 Fair CLR 54 51.1 90% 29.96 1015.9
16 05:56 Calm 10.00 Fair CLR 51.1 51.1 100% 29.95 1015.4
16 04:56 Calm 10.00 Fair CLR 51.1 51.1 100% 29.94 1015.2
16 03:56 Calm 10.00 Fair CLR 53.1 52 96% 29.95 1015.3
16 02:56 Calm 10.00 Fair CLR 55 50 83% 29.95 1015.2
16 01:56 Calm 10.00 Fair CLR 57.9 51.1 70 55 78% 29.94 1014.8
16 00:56 Calm 10.00 Fair CLR 57.9 57 97% 29.93 1014.7
15 23:56 Calm 10.00 Fair CLR 61 53.1 75% 29.92 1014.3
15 22:56 NW 5 10.00 Fair CLR 62.1 54 75% 29.91 1013.8
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)