Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (est) 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.
27 05:56 W 9 G 17 10.00 Fair CLR 39 19 45% 33 30.01 1017.6
27 04:56 W 12 10.00 Fair CLR 39.9 19.9 45% 34 29.99 1017.2
27 03:56 W 12 G 20 10.00 A Few Clouds FEW055 39.9 19.9 45% 34 29.98 1016.6
27 02:56 W 16 G 25 10.00 Fair CLR 41 19 41% 33 29.97 1016.4
27 01:56 W 17 G 31 10.00 Fair CLR 42.1 19.9 41% 34 29.97 1016.2
27 00:56 W 16 G 23 10.00 Fair CLR 41 21 55 41 45% 33 29.96 1015.9
26 23:56 NW 20 G 36 10.00 Fair CLR 43 21.9 43% 35 29.95 1015.7
26 22:56 NW 13 G 28 10.00 Fair CLR 45 26.1 48% 39 29.92 1014.8
26 21:56 NW 15 G 32 10.00 Fair CLR 46.9 27 46% 41 29.9 1013.8
26 20:56 NW 18 G 28 10.00 Fair CLR 48.9 30 48% 43 29.86 1012.6
26 19:56 NW 16 G 21 10.00 Fair CLR 54 36 51% 29.81 1010.9
26 18:56 NW 13 G 24 10.00 Fair CLR 55 42.1 69.1 55 62% 29.8 1010.5
26 17:56 W 17 G 28 10.00 Mostly Cloudy SCT070 BKN090 57.9 46.9 67% 29.78 1009.6
26 16:56 W 3 9.00 Overcast OVC070 59 52 78% 29.73 1008.2
26 15:56 NW 10 10.00 Light Rain FEW038 BKN050 OVC065 61 53.1 75% 29.73 1008.1
26 14:56 SW 9 10.00 Mostly Cloudy SCT049 BKN065 BKN080 68 52 57% 29.71 1007.3
26 13:56 SW 7 10.00 Mostly Cloudy FEW026 BKN075 68 55.9 65% 29.72 1007.6
26 12:56 S 5 10.00 A Few Clouds FEW019 64.9 60.1 64.9 53.1 84% 29.75 1008.7
26 11:56 S 6 10.00 Mostly Cloudy BKN007 BKN075 60.1 60.1 100% 29.78 1009.7
26 10:56 SW 6 7.00 Overcast OVC003 57.2 0 0% 29.82 1011.3
26 09:56 Calm 0.25 Fog SCT003 OVC017 53.6 0 0% 29.85 1012.5
26 08:56 NW 6 0.50 Fog OVC003 53.6 0 0% 29.87 1012.9
26 07:56 Calm 5.00 Overcast with Haze OVC005 53.6 0 0% 29.86 1012.5
26 06:56 Calm 3.00 Fog/Mist OVC005 48.2 0 51.1 45 0% 29.86 1012.5
26 05:56 S 5 2.50 Fog/Mist OVC007 50 0 0% 49 29.85 1012.2
26 04:56 Calm 0.75 Fog/Mist SCT009 OVC085 46.4 0 0% 29.86 1012.6
26 03:56 Calm 1.00 Fog/Mist SCT070 46.4 0 0% 29.87 1013.0
26 02:56 Calm 5.00 Light Rain OVC055 48.2 0 0% 29.89 1013.9
26 01:56 Calm 5.00 Overcast with Haze FEW050 BKN090 OVC100 48.2 0 0% 29.89 1013.9
26 00:56 SE 3 7.00 Overcast OVC070 46.4 0 48 44.1 0% 29.92 1014.4
25 23:56 SE 5 5.00 Overcast with Haze OVC080 46.4 0 0% 45 29.93 1015.0
25 22:56 SE 5 4.00 Fair with Haze CLR 44.6 0 0% 43 29.94 1015.5
25 21:56 Calm 2.50 Fog/Mist CLR 44.6 0 0% 29.96 1016.0
25 20:56 SE 3 1.25 Fog/Mist CLR 44.6 0 0% 29.97 1016.4
25 19:56 SE 3 6.00 Overcast with Haze OVC030 48.2 0 0% 29.98 1016.9
25 18:56 Calm 4.00 Light Rain BKN010 OVC014 48.2 0 53.1 48 0% 30 1017.6 0.03 0.25
25 17:56 Calm 5.00 Light Rain BKN020 OVC027 48.2 0 0% 30 1017.5 0.1
25 16:56 Calm 4.00 Rain OVC028 48.2 0 0% 30.01 1017.8 0.12
25 15:56 Calm 10.00 Overcast OVC045 52 46 80% 30.02 1018.1
25 14:56 SE 6 10.00 Overcast OVC048 52 45 77% 30.05 1018.9
25 13:56 SE 10 10.00 Overcast OVC050 51.1 46 83% 30.07 1019.8
25 12:56 SE 9 10.00 Light Rain FEW023 SCT070 OVC100 50 45 52 45 83% 47 30.1 1020.8
25 11:56 S 9 10.00 Overcast BKN025 OVC090 52 39 61% 30.14 1022.1
25 10:56 S 9 10.00 Overcast BKN027 OVC100 51.1 37.9 61% 30.17 1023.2
25 09:56 S 8 10.00 Overcast OVC110 50 36 59% 47 30.18 1023.7
25 08:56 Vrbl 7 10.00 Overcast OVC065 48 36 63% 45 30.2 1024.5
25 07:56 SE 7 10.00 A Few Clouds FEW055 46 37 71% 43 30.21 1024.6
25 06:56 S 7 10.00 Fair CLR 46 36 46 44.1 68% 43 30.22 1025.1
25 05:56 Calm 10.00 Fair CLR 46 35.1 66% 30.22 1025.1
25 04:56 S 7 10.00 Fair CLR 46 36 68% 43 30.22 1024.8
25 03:56 S 8 10.00 Fair CLR 46 35.1 66% 42 30.23 1025.1
25 02:56 S 8 10.00 Fair CLR 46 36 68% 42 30.22 1024.9
25 01:56 SE 8 10.00 Fair CLR 44.1 37 76% 40 30.24 1025.5
25 00:56 SE 7 10.00 Fair CLR 44.1 34 46.9 39.9 68% 41 30.25 1026.2
24 23:56 SE 7 10.00 Fair CLR 43 33.1 68% 39 30.27 1026.4
24 22:56 SE 6 10.00 Fair CLR 43 33.1 68% 40 30.27 1026.5
24 21:56 E 3 10.00 Fair CLR 41 32 70% 30.27 1026.8
24 20:56 SE 7 10.00 Fair CLR 44.1 30.9 60% 41 30.27 1026.7
24 19:56 SE 6 10.00 Fair CLR 46 30 54% 44 30.27 1027.0
24 18:56 Calm 10.00 Fair CLR 44.1 30 57.9 43 58% 30.27 1026.8
24 17:56 Calm 10.00 Fair CLR 46 30 54% 30.26 1026.3
24 16:56 Calm 10.00 Fair CLR 51.1 28.9 43% 30.26 1026.3
24 15:56 Calm 10.00 Fair CLR 55.9 27 33% 30.25 1026.1
24 14:56 W 5 10.00 Fair CLR 57 30.9 37% 30.26 1026.2
24 13:56 Vrbl 5 10.00 Fair CLR 57 32 39% 30.25 1026.0
24 12:56 Calm 10.00 Fair CLR 55.9 30 57.9 28.9 37% 30.26 1026.5
24 07:56 NW 3 10.00 Fair CLR 36 33.1 89% 30.26 1026.7
24 06:56 Calm 10.00 Fair CLR 28.9 28.9 39.9 28.9 100% 30.24 1026.0
Date Time (est) 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)