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.
21 14:56 W 8 10.00 Mostly Cloudy SCT055 BKN070 79 59 50% 80 29.96 1015.4
21 13:56 W 9 10.00 Mostly Cloudy BKN060 BKN070 79 57.9 82 69.1 49% 80 29.95 1015.2
21 12:56 W 10 G 21 10.00 A Few Clouds FEW060 81 57 44% 81 29.94 1014.8
21 11:56 NW 12 10.00 Mostly Cloudy BKN060 79 55 44% 80 29.95 1015.1
21 10:56 W 7 10.00 Fair CLR 78.1 60.1 54% 79 29.95 1015.3
21 09:56 Vrbl 7 10.00 Fair CLR 75 61 62% 77 29.96 1015.4
21 08:56 W 8 10.00 Fair CLR 73 61 66% 29.95 1015.3
21 07:56 NW 6 10.00 Fair CLR 69.1 60.1 69.1 62.1 73% 29.94 1014.8
21 06:56 Calm 10.00 Fair CLR 62.1 62.1 100% 29.93 1014.6
21 05:56 Calm 10.00 Light Rain BKN090 OVC110 62.1 62.1 100% 29.93 1014.5
21 04:56 Calm 10.00 Mostly Cloudy BKN120 63 59 87% 29.92 1014.0
21 03:56 Calm 10.00 Fair CLR 62.1 59 90% 29.9 1013.5
21 02:56 Calm 10.00 Fair CLR 64 55.9 75% 29.9 1013.4
21 01:56 Calm 10.00 A Few Clouds FEW110 66 55.9 77 66 70% 29.91 1013.7
21 00:56 Calm 10.00 Partly Cloudy SCT110 68 54 61% 29.91 1013.7
20 23:56 Calm 10.00 A Few Clouds FEW110 69.1 54 59% 29.91 1013.8
20 22:56 NW 5 10.00 Fair CLR 68 54 61% 29.91 1014.0
20 21:56 NW 3 10.00 Fair CLR 69.1 54 59% 29.9 1013.6
20 20:56 Calm 10.00 Partly Cloudy SCT095 71.1 53.1 53% 29.88 1012.9
20 19:56 Calm 10.00 A Few Clouds FEW110 77 52 82.9 77 42% 78 29.87 1012.4
20 18:56 W 8 10.00 Fair CLR 81 52 37% 80 29.86 1012.1
20 17:56 NW 10 10.00 Fair CLR 82 51.1 34% 81 29.87 1012.4
20 16:56 NW 14 G 17 10.00 A Few Clouds FEW120 82 50 33% 81 29.88 1012.7
20 15:56 W 12 G 20 10.00 Fair CLR 82.9 52 34% 82 29.89 1013.0
20 14:56 W 8 10.00 Fair CLR 81 53.1 38% 80 29.9 1013.4
20 13:56 W 16 10.00 Fair CLR 80.1 52 80.1 71.1 38% 80 29.91 1013.7
20 12:56 NW 9 10.00 Fair CLR 79 54 42% 79 29.92 1014.2
20 11:56 W 8 10.00 Fair CLR 77 55.9 48% 79 29.93 1014.6
20 10:56 W 14 G 21 10.00 Fair CLR 75.9 53.1 45% 78 29.93 1014.5
20 09:56 W 9 10.00 Fair CLR 75 55 50% 78 29.94 1014.8
20 08:56 Vrbl 7 10.00 Fair CLR 73 55 53% 29.93 1014.7
20 07:56 W 6 10.00 Fair CLR 71.1 55.9 72 57 59% 29.93 1014.4
20 06:56 W 5 10.00 Fair CLR 64 55 73% 29.92 1014.2
20 05:56 NW 3 10.00 Fair CLR 57 55.9 96% 29.91 1014.0
20 04:56 Calm 10.00 Fair CLR 57.9 57 97% 29.92 1014.0
20 03:56 Calm 10.00 Fair CLR 57.9 57 97% 29.92 1014.1
20 02:56 Calm 10.00 Fair CLR 61 54 78% 29.92 1014.0
20 01:56 Calm 10.00 Fair CLR 62.1 52 75 62.1 70% 29.91 1013.9
20 00:56 Calm 10.00 Fair CLR 66.9 51.1 57% 29.91 1013.9
19 23:56 W 7 10.00 Fair CLR 68 51.1 55% 29.9 1013.4
19 22:56 Calm 10.00 Fair CLR 69.1 50 51% 29.89 1013.1
19 21:56 W 5 10.00 Fair CLR 69.1 50 51% 29.88 1012.9
19 20:56 Calm 10.00 Fair CLR 70 50 49% 29.86 1012.3
19 19:56 NW 8 10.00 Fair CLR 75 51.1 80.1 73.9 43% 78 29.85 1011.7
19 18:56 NW 12 10.00 A Few Clouds FEW080 78.1 51.1 39% 79 29.84 1011.2
19 17:56 NW 14 G 23 10.00 Fair CLR 79 51.1 38% 79 29.81 1010.3
19 15:56 NW 12 G 18 10.00 Overcast OVC065 78.1 55.9 47% 79 29.8 1010.1
19 14:56 NW 10 G 20 10.00 Mostly Cloudy BKN065 77 55 47% 78 29.81 1010.3
19 13:56 NW 13 G 21 10.00 Partly Cloudy SCT050 77 57 78.1 70 50% 79 29.81 1010.1
19 12:56 NW 13 10.00 Partly Cloudy SCT048 75.9 57.9 54% 78 29.82 1010.5
19 11:56 NW 6 10.00 Fair CLR 73 55.9 55% 29.81 1010.5
19 10:56 NW 9 10.00 A Few Clouds FEW060 72 57 59% 29.82 1010.7
19 09:56 Vrbl 5 10.00 A Few Clouds FEW044 72 57 59% 29.83 1011.0
19 08:56 NW 8 10.00 Mostly Cloudy BKN080 70 55 59% 29.83 1011.0
19 07:56 Vrbl 5 10.00 Overcast OVC075 70 55 75.9 69.1 59% 29.84 1011.1
19 06:56 Vrbl 5 10.00 Overcast OVC075 70 57 64% 29.82 1010.7
19 05:56 NW 7 10.00 Overcast OVC110 71.1 60.1 68% 29.78 1009.4
19 04:56 NW 3 10.00 Fair CLR 70 59 68% 29.76 1008.6
19 03:56 W 5 10.00 Overcast OVC110 73.9 57.9 57% 29.76 1008.6
19 02:56 NW 13 G 17 10.00 Overcast OVC110 75 57 54% 78 29.77 1008.9
19 01:56 NW 15 10.00 Overcast OVC100 75.9 55.9 79 72 50% 78 29.78 1009.1
19 00:56 NW 10 10.00 Light Rain BKN120 75 55.9 52% 78 29.77 1008.8
18 23:56 W 8 10.00 Fair CLR 73.9 55.9 54% 29.76 1008.6
18 22:56 W 6 10.00 Fair CLR 72 57.9 61% 29.75 1008.4
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
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)