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.
23 04:56 Calm 9.00 A Few Clouds FEW090 68 0 0% 29.87 1012.2
23 03:56 Calm 10.00 Fair CLR 68 0 0% 29.87 1012.1
23 02:56 W 3 10.00 A Few Clouds FEW017 69.8 0 0% 29.89 1012.8
23 01:56 W 5 10.00 A Few Clouds FEW065 69.8 0 73.9 70 0% 29.89 1012.8 0.01
23 00:56 SW 3 10.00 Fair CLR 69.8 0 0% 29.88 1012.7
22 23:56 S 7 10.00 Mostly Cloudy BKN005 71.6 0 0% 29.89 1013.0
22 22:56 SW 6 10.00 A Few Clouds FEW075 71.6 0 0% 29.91 1013.7 0.01
22 21:56 Calm 10.00 Partly Cloudy SCT110 73.4 0 0% 29.89 1012.9 0.01
22 20:56 W 3 10.00 Mostly Cloudy BKN110 73.4 0 0% 29.87 1012.4
22 19:56 SE 5 10.00 Light Rain BKN110 73.4 0 89.1 73 0% 29.85 1012.0 0.01 0.05
22 18:56 Calm 10.00 Light Rain BKN110 75 75 100% 72 29.88 1012.8 0.03
22 17:56 SW 6 10.00 Light Rain SCT032 BKN045 OVC065 81 73.9 79% 86 29.86 1012.0 0.01
22 16:56 S 7 10.00 Light Rain FEW055 BKN090 OVC110 84.9 72 65% 91 29.87 1012.2
22 15:56 S 10 G 16 10.00 Partly Cloudy FEW039 SCT070 89.1 69.1 52% 94 29.88 1012.4
22 14:56 SW 9 10.00 Mostly Cloudy SCT049 BKN080 BKN100 89.1 69.1 52% 94 29.89 1012.7
22 13:56 S 6 G 16 10.00 A Few Clouds FEW110 86 68 86 71.1 55% 89 29.91 1013.6
22 12:56 SW 8 10.00 Mostly Cloudy BKN120 84.9 66.9 55% 88 29.92 1013.9
22 11:56 S 10 G 16 10.00 Fair CLR 86 68 55% 89 29.92 1013.9
22 10:56 S 10 10.00 Fair CLR 82.9 68 61% 86 29.93 1014.2
22 09:56 SE 8 10.00 Partly Cloudy SCT100 80.1 69.1 69% 83 29.93 1014.3
22 08:56 SE 9 10.00 Fair CLR 75.9 66.9 74% 77 29.93 1014.4
22 07:56 Calm 10.00 Fair CLR 71.1 64.9 71.1 64.9 81% 29.95 1014.9
22 06:56 Vrbl 3 10.00 Fair CLR 69.1 63 81% 29.95 1014.9
22 05:56 E 3 10.00 A Few Clouds FEW080 68 60.1 76% 29.96 1015.3
22 04:56 Calm 10.00 Partly Cloudy SCT085 68 57.9 70% 29.97 1015.8
22 03:56 Calm 10.00 Mostly Cloudy BKN080 68 57.9 70% 29.98 1016.3
22 02:56 Calm 10.00 Mostly Cloudy BKN085 66 57.9 75% 29.99 1016.4
22 01:56 Calm 10.00 Fair CLR 66 55.9 78.1 64 70% 29.99 1016.4
22 00:56 Calm 10.00 Fair CLR 64.9 55.9 73% 30 1016.7
21 23:56 Calm 10.00 Fair CLR 64 59 84% 30 1017.1
21 22:56 Calm 10.00 Fair CLR 66 55.9 70% 30 1016.9
21 21:56 Calm 10.00 Fair CLR 66.9 57.9 73% 29.99 1016.7
21 20:56 Calm 10.00 Fair CLR 71.1 57 61% 29.98 1016.2
21 19:56 Calm 10.00 Fair CLR 78.1 55 82.9 78.1 45% 79 29.98 1016.0
21 18:56 Calm 10.00 Fair CLR 82 54 38% 81 29.96 1015.7
21 17:56 NW 8 10.00 A Few Clouds FEW070 81 55.9 42% 81 29.96 1015.6
21 16:56 NW 9 10.00 Fair CLR 82 57.9 44% 82 29.95 1015.2
21 15:56 W 8 10.00 A Few Clouds FEW060 79 57.9 49% 80 29.95 1015.4
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
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)