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.
07 05:56 NW 9 10.00 Fair CLR 45 30.9 58% 41 30.16 1023.0
07 04:56 Calm 10.00 A Few Clouds FEW075 43 34 71% 30.14 1022.2
07 03:56 NW 3 10.00 Fair CLR 44.1 34 68% 30.12 1021.6
07 02:56 Calm 10.00 A Few Clouds FEW090 45 35.1 68% 30.1 1020.9
07 01:56 Calm 10.00 Overcast OVC100 46.9 35.1 54 46.9 63% 30.1 1020.7
07 00:56 Calm 10.00 Mostly Cloudy FEW080 BKN100 48.9 33.1 55% 30.1 1020.8
06 23:56 Calm 10.00 Overcast BKN085 OVC110 48 37.9 68% 30.1 1020.9
06 22:56 Calm 10.00 Mostly Cloudy BKN100 50 34 54% 30.1 1020.7
06 21:56 Calm 10.00 Overcast OVC100 53.1 34 48% 30.11 1021.1
06 20:56 Calm 10.00 Overcast OVC100 54 30.9 42% 30.09 1020.6
06 19:56 NW 3 10.00 Mostly Cloudy BKN100 54 30 60.1 54 40% 30.07 1019.6
06 18:56 Vrbl 7 10.00 Partly Cloudy SCT100 57 30 36% 30.06 1019.6
06 17:56 W 10 G 17 10.00 Mostly Cloudy BKN085 57.9 30.9 36% 30.05 1019.1
06 16:56 W 9 G 17 10.00 Mostly Cloudy SCT075 BKN090 60.1 30.9 33% 30.05 1018.9
06 15:56 W 14 G 18 10.00 Overcast BKN080 OVC090 57.9 30.9 36% 30.05 1019.2
06 14:56 Vrbl 3 10.00 Mostly Cloudy BKN070 BKN080 57.9 30 35% 30.07 1019.7
06 13:56 W 10 10.00 Mostly Cloudy BKN070 57 30 57 44.1 36% 30.11 1021.0
06 12:56 W 12 10.00 Partly Cloudy SCT060 54 28.9 38% 30.13 1022.0
06 11:56 W 10 10.00 Fair CLR 54 30 40% 30.15 1022.4
06 10:56 W 14 10.00 A Few Clouds FEW050 51.1 30 45% 30.16 1022.8
06 09:56 NW 9 G 16 10.00 Fair CLR 48.9 30 48% 45 30.15 1022.5
06 08:56 NW 10 10.00 Fair CLR 46 28.9 51% 42 30.14 1022.0
06 07:56 NW 8 10.00 Fair CLR 44.1 30 46.9 42.1 58% 40 30.12 1021.6
06 06:56 NW 8 10.00 Fair CLR 43 28.9 58% 39 30.11 1021.1
06 05:56 NW 8 G 16 10.00 Fair CLR 43 28.9 58% 39 30.08 1020.3
06 04:56 NW 9 10.00 Fair CLR 44.1 28 53% 40 30.07 1019.8
06 03:56 NW 12 G 30 10.00 Fair CLR 46 28 50% 41 30.06 1019.3
06 02:56 NW 13 G 16 10.00 Mostly Cloudy BKN050 46 28.9 51% 41 30.06 1019.6
06 01:56 NW 20 G 30 10.00 Fair CLR 46.9 27 54 46.9 46% 40 30.06 1019.6
06 00:56 NW 10 10.00 Overcast OVC050 48 32 54% 44 30.05 1019.1
05 23:56 NW 13 G 23 10.00 Fair CLR 48.9 30.9 50% 44 30.04 1018.5
05 22:56 Vrbl 7 G 16 10.00 Overcast OVC050 50 33.1 52% 48 30.05 1019.0
05 21:56 NW 8 10.00 A Few Clouds FEW055 51.1 34 52% 30.04 1018.4
05 20:56 NW 10 G 20 10.00 Fair CLR 52 35.1 53% 30 1017.3
05 19:56 NW 15 G 21 10.00 Fair CLR 54 37 63 54 53% 29.96 1015.9 0.02
05 18:56 NW 13 G 20 10.00 Fair CLR 57 39.9 53% 29.92 1014.4
05 17:56 NW 12 G 17 10.00 Partly Cloudy SCT045 60.1 44.1 56% 29.89 1013.2
05 16:56 NW 18 G 23 10.00 Fair CLR 63 46 54% 29.86 1012.2 0.02
05 15:56 NW 12 G 17 10.00 Partly Cloudy SCT037 61 54 78% 29.86 1012.2
05 14:56 W 6 10.00 Overcast SCT033 OVC110 57 57 100% 29.87 1012.6 0.02
05 13:56 NW 9 10.00 Light Rain OVC090 55.9 55.9 73 55.9 100% 29.88 1013.0 0.05 0.38
05 12:56 W 10 10.00 Light Rain FEW012 BKN028 OVC080 59 0 0% 29.89 1013.2 0.05
05 11:56 W 5 9.00 Light Rain OVC075 60.8 0 0% 29.89 1013.3 0.13
05 10:56 NW 12 5.00 Rain BKN013 BKN028 OVC036 60.8 0 0% 29.89 1013.0 0.15 0.15
05 09:56 SW 16 G 22 10.00 Overcast OVC027 72 62.1 71% 29.87 1012.3
05 08:56 SW 15 G 23 10.00 A Few Clouds FEW026 71.1 62.1 73% 29.85 1011.8
05 07:56 SW 15 G 21 10.00 Fair CLR 70 62.1 73 69.1 76% 29.87 1012.3
05 06:56 S 10 G 17 10.00 Fair CLR 69.1 60.1 73% 29.86 1012.1
05 05:56 SW 14 G 22 10.00 Fair CLR 70 59 68% 29.88 1012.4
05 04:56 SW 12 G 17 10.00 Fair CLR 72 57.9 61% 29.88 1012.7
05 03:56 SW 14 G 22 10.00 A Few Clouds FEW120 72 57.9 61% 29.89 1013.0
05 02:56 S 10 G 17 10.00 Fair CLR 72 57.9 61% 29.92 1013.8
05 01:56 S 9 10.00 Fair CLR 71.1 59 79 71.1 66% 29.94 1014.6
05 00:56 SE 10 10.00 Fair CLR 72 57.9 61% 29.96 1015.3
04 23:56 S 10 10.00 Fair CLR 73.9 57.9 57% 29.98 1016.0
04 22:56 S 10 10.00 Fair CLR 75.9 57.9 54% 78 30 1016.6
04 21:56 S 10 G 18 10.00 Fair CLR 77 57 50% 79 30.01 1017.1
04 20:56 S 10 10.00 Fair CLR 77 55 47% 78 30 1016.7
04 19:56 S 8 10.00 A Few Clouds FEW070 79 55 87.1 79 44% 80 30 1016.9
04 18:56 S 13 G 20 10.00 Fair CLR 82 55 40% 81 30 1016.9
04 17:56 S 14 G 26 10.00 Fair CLR 84.9 54 35% 83 30.01 1017.0
04 16:56 S 14 G 18 10.00 Partly Cloudy SCT070 84.9 55.9 37% 84 30.02 1017.5
04 15:56 SE 9 G 18 10.00 Fair CLR 86 60.1 42% 86 30.05 1018.4
04 14:56 S 8 G 17 10.00 Fair CLR 86 60.1 42% 86 30.08 1019.4
04 13:56 S 9 10.00 Fair CLR 87.1 61 87.1 61 42% 87 30.11 1020.2
04 12:56 SE 6 10.00 Fair CLR 84 61 46% 84 30.13 1021.0
04 11:56 Vrbl 3 10.00 Fair CLR 81 62.1 53% 82 30.15 1021.9
04 10:56 S 7 10.00 Partly Cloudy SCT095 77 62.1 60% 79 30.17 1022.4
04 09:56 W 6 10.00 Mostly Cloudy BKN100 69.1 64 84% 30.18 1023.1
04 08:56 SW 7 10.00 A Few Clouds FEW120 70 62.1 76% 30.18 1023.0
04 07:56 Calm 10.00 Fair CLR 61 61 70 60.1 100% 30.18 1023.1
04 06:56 Calm 10.00 A Few Clouds FEW120 61 61 100% 30.17 1022.7
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)