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 23:56 Vrbl 3 10.00 Overcast BKN090 OVC110 64 57.9 81% 29.84 1011.6
18 22:56 E 5 10.00 Fair CLR 64 57 78% 29.83 1011.2
18 21:56 E 9 G 17 10.00 Fair CLR 66 55 68% 29.84 1011.5
18 20:56 SE 14 G 23 10.00 Fair CLR 69.1 55 61% 29.83 1011.2
18 19:56 SE 17 G 21 10.00 Fair CLR 71.1 55 80.1 71.1 57% 29.82 1010.8
18 18:56 Vrbl 7 G 16 10.00 Fair CLR 72 57.9 61% 29.84 1011.5
18 17:56 SE 10 G 18 10.00 Fair CLR 75.9 59 56% 78 29.86 1012.2
18 16:56 SE 14 G 21 10.00 Fair CLR 77 59 54% 79 29.87 1012.4
18 15:56 E 9 10.00 Fair CLR 75.9 60.1 58% 78 29.89 1013.1
18 14:56 E 10 G 24 10.00 Fair CLR 78.1 59 52% 79 29.92 1014.3
18 13:56 E 7 G 16 10.00 Fair CLR 78.1 60.1 81 62.1 54% 79 29.94 1014.7
18 12:56 S 8 10.00 Fair CLR 79 59 50% 80 29.96 1015.4
18 11:56 SE 13 10.00 Fair CLR 78.1 59 52% 79 29.99 1016.4
18 10:56 SE 9 10.00 Fair CLR 75.9 59 56% 78 30 1016.8
18 09:56 Vrbl 6 10.00 Fair CLR 71.1 59 66% 30 1017.0
18 08:56 Vrbl 5 10.00 Fair CLR 66 59 78% 30.01 1017.4
18 07:56 Calm 10.00 Fair CLR 61 59 61 54 93% 30.02 1017.7
18 06:56 Calm 10.00 Fair CLR 57 57 100% 30 1017.0
18 05:56 Calm 10.00 Fair CLR 55.4 0 0% 29.99 1016.8
18 04:56 Calm 10.00 Fair CLR 55.4 0 0% 29.99 1016.5
18 03:56 Calm 10.00 Fair CLR 55.4 0 0% 30 1016.9
18 02:56 Calm 10.00 Fair CLR 55.9 55.9 100% 30 1017.0
18 01:56 NW 3 10.00 Fair CLR 57.9 57.9 71.1 57 100% 30.01 1017.4
18 00:56 Calm 10.00 Fair CLR 57.9 57.9 100% 30 1017.0
17 23:56 Calm 10.00 Fair CLR 59 57.9 96% 29.99 1016.6
17 22:56 Calm 10.00 Fair CLR 63 54 73% 29.99 1016.4
17 21:56 Calm 10.00 Fair CLR 63 55 76% 29.98 1016.2
17 20:56 Calm 10.00 Fair CLR 66.9 54 63% 29.98 1016.0
17 19:56 Calm 10.00 Fair CLR 71.1 53.1 80.1 71.1 53% 29.97 1015.7
17 18:56 Calm 10.00 Fair CLR 77 54 45% 78 29.96 1015.6
17 17:56 NW 8 10.00 Fair CLR 78.1 53.1 42% 79 29.95 1015.3
17 16:56 NW 8 G 21 10.00 Partly Cloudy SCT060 75.9 52 43% 78 29.95 1015.2
17 15:56 Vrbl 6 10.00 Mostly Cloudy BKN060 77 53.1 43% 78 29.95 1015.1
17 14:56 NW 12 G 20 10.00 Partly Cloudy SCT060 77 53.1 43% 78 29.96 1015.3
17 13:56 NW 8 10.00 Mostly Cloudy BKN060 75 54 79 66 48% 78 29.96 1015.6
17 12:56 NW 12 G 16 10.00 Overcast OVC060 73.9 53.1 48% 29.96 1015.4
17 11:56 Vrbl 7 G 17 10.00 Partly Cloudy SCT049 75.9 53.1 45% 78 29.97 1015.6
17 10:56 Vrbl 7 G 17 10.00 A Few Clouds FEW047 75 55 50% 78 29.96 1015.4
17 09:56 Vrbl 6 10.00 Fair CLR 73 55.9 55% 29.95 1015.1
17 08:56 NW 7 10.00 Fair CLR 69.1 57 66% 29.94 1014.7
17 07:56 NW 7 10.00 Fair CLR 66 61 71.1 62.1 84% 29.91 1013.8
17 06:56 NW 6 10.00 Fair CLR 64 62.1 93% 29.9 1013.5
17 05:56 NW 3 10.00 Fair CLR 64.9 62.1 90% 29.88 1012.6
17 04:56 NW 5 10.00 Partly Cloudy SCT100 64.9 61 87% 29.87 1012.2
17 03:56 Vrbl 3 10.00 Mostly Cloudy BKN090 68 60.1 76% 29.86 1012.0
17 02:56 NW 6 10.00 A Few Clouds FEW110 69.1 59 70% 29.86 1012.0
17 01:56 NW 10 G 17 10.00 Mostly Cloudy FEW080 BKN110 71.1 59 84 71.1 66% 29.87 1012.4
17 00:56 NW 8 10.00 Mostly Cloudy BKN110 73 57 57% 29.87 1012.3
16 23:56 NW 14 G 21 10.00 Mostly Cloudy BKN120 75.9 55.9 50% 78 29.85 1011.6
16 22:56 Vrbl 3 10.00 Partly Cloudy SCT120 73.9 52 46% 29.82 1010.5
16 21:56 W 3 10.00 A Few Clouds FEW110 79 52 39% 79 29.8 1009.8
16 20:56 S 3 10.00 Fair CLR 82 52 35% 81 29.77 1008.9
16 19:56 SW 5 10.00 Fair CLR 84 51.1 91 84 32% 82 29.77 1008.8
16 18:56 SW 12 G 16 10.00 Fair CLR 88 52 29% 86 29.76 1008.6
16 17:56 S 12 G 18 10.00 Fair CLR 90 57 33% 89 29.77 1008.8
16 16:56 S 12 10.00 Fair CLR 90 57 33% 89 29.78 1009.2
16 15:56 S 9 G 21 10.00 Fair CLR 90 55.9 32% 88 29.81 1010.0
16 14:56 SE 13 G 17 10.00 Fair CLR 90 57 33% 89 29.85 1011.5
16 13:56 S 10 10.00 Fair CLR 89.1 57.9 90 66 35% 88 29.89 1012.8
16 12:56 Vrbl 3 10.00 Fair CLR 90 59 35% 89 29.91 1013.7
16 11:56 W 6 10.00 Fair CLR 84 57.9 41% 83 29.94 1014.6
16 10:56 Calm 10.00 Fair CLR 82.9 55 38% 82 29.95 1015.1
16 09:56 Calm 10.00 Fair CLR 81 55.9 42% 81 29.96 1015.4
16 08:56 SW 6 10.00 Fair CLR 75 57.9 55% 78 29.97 1015.6
16 07:56 Calm 10.00 Fair CLR 66 59 71.1 62.1 78% 29.97 1015.7
16 06:56 Calm 10.00 Fair CLR 63 55 76% 29.95 1015.0
16 05:56 Calm 10.00 Fair CLR 63 55.9 78% 29.94 1014.6
16 04:56 Calm 10.00 Fair CLR 66 53.1 63% 29.93 1014.1
16 03:56 Calm 10.00 Fair CLR 66 54 65% 29.93 1014.1
16 02:56 Calm 10.00 Fair CLR 66 55.9 70% 29.91 1013.9
16 01:56 Calm 10.00 Fair CLR 70 53.1 82.9 70 55% 29.92 1014.0
16 00:56 S 3 10.00 Fair CLR 75.9 53.1 45% 78 29.94 1014.8
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)