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.
31 13:56 SW 9 10.00 Overcast OVC043 32 14 47% 25 29.84 1012.6
31 12:56 SW 8 10.00 Overcast OVC047 32 14 33.1 23 47% 25 29.87 1013.4
31 11:56 SW 9 10.00 Overcast OVC047 30.9 14 49% 24 29.89 1014.3
31 10:56 W 9 10.00 Partly Cloudy SCT045 32 12.9 45% 25 29.93 1015.5
31 09:56 W 8 10.00 Overcast FEW060 OVC090 27 12.9 55% 19 29.95 1016.1
31 08:56 W 10 10.00 Overcast OVC110 26.1 12.9 57% 17 29.95 1016.4
31 07:56 W 5 10.00 Fair CLR 24.1 12 60% 19 29.94 1016.1
31 06:56 W 10 10.00 Fair CLR 24.1 12 25 23 60% 15 29.94 1016.0
31 05:56 W 12 10.00 Fair CLR 24.1 10.9 57% 14 29.94 1015.9
31 04:56 W 13 10.00 Fair CLR 25 10.9 55% 14 29.92 1015.2
31 03:56 Vrbl 7 10.00 Overcast SCT070 OVC090 25 10.9 55% 18 29.92 1015.2
31 02:56 W 7 10.00 Overcast BKN080 OVC100 24.1 10.9 57% 17 29.92 1015.4
31 01:56 W 9 10.00 Fair CLR 24.1 10.9 57% 15 29.92 1015.2
31 00:56 W 9 10.00 Fair CLR 23 10.9 26.1 21.9 60% 14 29.92 1015.4
30 23:56 NW 14 10.00 Fair CLR 21.9 10 60% 10 29.94 1015.8
30 22:56 W 7 10.00 Partly Cloudy SCT046 23 10 57% 16 29.95 1016.4
30 21:56 W 9 10.00 Partly Cloudy SCT037 24.1 10.9 57% 15 29.94 1016.0
30 20:56 W 14 G 22 10.00 Mostly Cloudy BKN039 25 10.9 55% 14 29.93 1015.7
30 19:56 W 15 10.00 Overcast OVC045 25 10.9 55% 13 29.93 1015.5
30 18:56 W 16 G 23 10.00 Mostly Cloudy BKN047 26.1 10.9 33.1 26.1 53% 14 29.93 1015.5
30 17:56 W 17 G 23 10.00 A Few Clouds FEW042 26.1 10.9 53% 14 29.91 1014.9
30 16:56 W 21 G 26 10.00 Overcast and Breezy BKN047 OVC055 27 10.9 51% 14 29.9 1014.6
30 15:56 NW 21 G 26 10.00 Mostly Cloudy and Breezy SCT043 BKN050 28.9 10.9 47% 17 29.88 1013.8
30 14:56 W 23 G 30 10.00 Partly Cloudy and Breezy SCT049 30 10.9 45% 17 29.86 1013.3
30 13:56 W 18 G 26 10.00 Overcast OVC049 30.9 12 45% 20 29.87 1013.6
30 12:56 W 17 G 26 10.00 Overcast BKN049 OVC060 33.1 10 33.1 28 38% 23 29.87 1013.6
30 11:56 W 18 G 31 10.00 Overcast OVC049 30.9 12.9 47% 20 29.88 1013.8
30 10:56 W 22 G 31 10.00 Overcast and Breezy OVC049 30 12 47% 18 29.91 1014.9
30 09:56 W 17 G 25 10.00 Overcast OVC046 30 14 51% 19 29.91 1014.9
30 08:56 W 14 G 25 10.00 Overcast OVC048 28.9 12.9 51% 19 29.9 1014.4
30 07:56 NW 13 G 21 10.00 Overcast OVC046 28 12.9 53% 18 29.88 1014.0
30 06:56 W 16 G 26 10.00 Overcast OVC046 28 12 28.9 28 51% 17 29.86 1013.1
30 05:56 W 16 G 25 10.00 Overcast OVC048 28 12 51% 17 29.84 1012.6
30 04:56 NW 16 G 30 10.00 Overcast OVC048 28 12 51% 17 29.82 1011.8
30 03:56 NW 18 G 32 10.00 Overcast OVC048 28 12 51% 16 29.8 1011.0
30 02:56 W 26 G 36 10.00 Overcast and Windy OVC046 28.9 12.9 51% 15 29.78 1010.3
30 01:56 NW 24 G 38 10.00 Overcast and Breezy OVC048 28.9 12.9 51% 16 29.78 1010.3
30 00:56 W 24 G 31 10.00 Overcast and Breezy OVC050 28.9 12.9 33.1 28.9 51% 16 29.78 1010.3
29 23:56 NW 15 G 31 10.00 Overcast OVC048 30 14 51% 20 29.79 1010.7
29 22:56 W 15 G 25 10.00 Overcast OVC050 30 14 51% 20 29.79 1010.5
29 21:56 W 23 G 32 10.00 Mostly Cloudy and Breezy BKN055 28.9 14 54% 16 29.76 1009.6
29 20:56 NW 26 G 40 10.00 Overcast and Windy OVC050 30 12.9 49% 17 29.75 1009.1
29 19:56 NW 24 G 36 10.00 Mostly Cloudy and Breezy BKN050 30.9 14 49% 18 29.73 1008.4
29 18:56 NW 20 G 37 10.00 Overcast BKN050 OVC060 33.1 14 52 33.1 45% 22 29.7 1007.6
29 17:56 NW 29 G 44 10.00 Overcast and Windy OVC050 35.1 15.1 44% 23 29.65 1005.8
29 16:56 W 22 G 33 10.00 Fair and Breezy CLR 37.9 16 41% 28 29.6 1003.8
29 15:56 W 22 G 40 10.00 Fair and Breezy CLR 44.1 16 32% 36 29.56 1002.6
29 14:56 NW 28 G 38 10.00 Fair and Windy CLR 46.9 19 33% 39 29.52 1001.0
29 13:56 NW 33 G 45 10.00 Fair and Windy CLR 48.9 19.9 32% 41 29.47 999.3
29 12:56 NW 31 G 41 10.00 A Few Clouds and Windy FEW070 52 28.9 54 51.1 41% 29.43 997.9
29 11:56 NW 22 G 29 10.00 Overcast and Breezy FEW014 BKN029 OVC060 53.1 45 74% 29.42 997.6
29 10:56 SW 6 10.00 Mostly Cloudy BKN050 53.1 53.1 100% 29.45 998.7
29 09:56 SW 5 10.00 Light Rain OVC100 53.1 53.1 100% 29.45 998.5
29 08:56 S 9 10.00 Overcast OVC010 52 52 100% 29.48 999.6
29 07:56 W 8 10.00 Overcast OVC012 52 52 100% 29.51 1000.6
29 06:56 SW 9 10.00 Overcast OVC012 52 52 52 44.1 100% 29.48 999.7
29 05:56 SW 9 G 18 10.00 Overcast OVC010 51.1 51.1 100% 29.49 1000.0
29 04:56 SW 10 G 16 10.00 Overcast OVC008 48.2 0 0% 44 29.5 1000.4
29 03:56 S 9 G 18 10.00 Overcast OVC008 48.2 0 0% 45 29.56 1002.5
29 02:56 Vrbl 5 10.00 Overcast OVC004 46.4 0 0% 45 29.61 1004.4
29 01:56 S 8 8.00 Overcast OVC004 44.6 0 0% 41 29.65 1005.6
29 00:56 S 8 3.00 Fog/Mist OVC004 44.6 0 44.1 39.9 0% 41 29.7 1007.5
28 23:56 S 7 2.50 Fog/Mist OVC004 42.8 0 0% 39 29.74 1008.8
28 22:56 S 5 3.00 Fog/Mist OVC004 42.8 0 0% 41 29.78 1010.1
28 21:56 S 9 9.00 Overcast OVC006 41 41 100% 36 29.8 1010.8
28 20:56 S 9 9.00 Overcast OVC008 41 41 100% 36 29.84 1012.1
28 19:56 S 12 10.00 Overcast OVC012 41 39 93% 35 29.88 1013.6
28 18:56 SE 10 10.00 Overcast OVC016 39.9 37 39.9 37.9 89% 34 29.91 1014.8
28 17:56 S 7 10.00 Overcast OVC018 39.9 36 86% 36 29.96 1016.2
28 16:56 SE 8 10.00 Overcast OVC020 39 35.1 86% 34 29.98 1016.9
28 15:56 S 10 10.00 Overcast OVC018 39.9 34 79% 34 30.01 1018.0
28 14:56 S 10 10.00 Overcast OVC018 39 33.1 79% 33 30.03 1018.7
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)