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.
09 13:56 S 7 4.00 Light Rain OVC005 46.4 0 0% 43 30.1 1021.0
09 12:56 S 7 5.00 Fog/Mist OVC007 46.9 46.9 46.9 37.9 100% 44 30.12 1021.5
09 11:56 S 12 8.00 Overcast OVC009 46 46 100% 41 30.14 1022.4
09 10:56 S 10 9.00 Overcast OVC019 46 45 96% 42 30.18 1023.7
09 09:56 S 9 7.00 Overcast FEW008 SCT026 OVC035 45 45 100% 41 30.21 1024.6
09 08:56 S 9 5.00 Overcast with Haze SCT006 OVC031 44.6 0 0% 40 30.22 1025.1
09 07:56 SE 10 2.50 Fog/Mist OVC004 41 0 0% 35 30.22 1025.1
09 06:56 SE 5 5.00 Overcast with Haze OVC006 37.4 0 44.1 37 0% 34 30.25 1026.1
09 05:56 SE 6 7.00 Fair CLR 39.2 0 0% 36 30.23 1025.5
09 04:56 SE 7 9.00 Fair CLR 39.9 39.9 100% 36 30.25 1026.0
09 03:56 S 8 10.00 Fair CLR 41 41 100% 36 30.25 1025.9
09 02:56 SE 7 10.00 Fair CLR 41 39.9 96% 37 30.26 1026.1
09 01:56 S 6 10.00 Fair CLR 43 39 86% 40 30.25 1026.0
09 00:56 S 6 10.00 Mostly Cloudy BKN110 43 37.9 46 39 82% 40 30.24 1025.6
08 23:56 SE 7 10.00 Fair CLR 41 39 93% 37 30.25 1025.9
08 22:56 SE 7 10.00 Fair CLR 41 37.9 89% 37 30.27 1026.7
08 21:56 Calm 10.00 Fair CLR 39 37.9 96% 30.27 1026.6
08 20:56 SE 5 10.00 Fair CLR 41 37.9 89% 38 30.27 1027.0
08 19:56 E 3 10.00 Fair CLR 43 39 86% 30.26 1026.7
08 18:56 SE 5 10.00 Fair CLR 46 37.9 57 46 73% 44 30.26 1026.3
08 17:56 S 5 10.00 Fair CLR 48.9 37.9 66% 48 30.25 1026.3
08 16:56 S 5 10.00 Fair CLR 53.1 37 55% 30.23 1025.3
08 15:56 SW 3 10.00 Fair CLR 55.9 37 49% 30.22 1025.1
08 14:56 Calm 10.00 Fair CLR 55.9 37.9 51% 30.21 1024.6
08 13:56 SW 7 10.00 Fair CLR 55.9 37.9 51% 30.21 1024.8
08 12:56 SW 3 10.00 Fair CLR 55.9 37.9 57 28 51% 30.23 1025.2
08 11:56 S 3 10.00 Fair CLR 54 37.9 55% 30.24 1025.7
08 10:56 W 5 10.00 Fair CLR 51.1 37.9 61% 30.26 1026.5
08 09:56 W 5 10.00 Fair CLR 48 37.9 68% 47 30.25 1026.1
08 08:56 Calm 10.00 Fair CLR 39 37.9 96% 30.21 1024.9
08 07:56 Calm 9.00 Fair CLR 28.9 28.9 100% 30.2 1024.5
08 06:56 Calm 10.00 Fair CLR 28.9 28.9 37 28.9 100% 30.17 1023.6
08 05:56 Calm 10.00 Fair CLR 30 30 100% 30.15 1022.8
08 04:56 SE 3 10.00 Fair CLR 30 30 100% 30.14 1022.3
08 03:56 Calm 10.00 Fair CLR 32 32 100% 30.12 1021.7
08 02:56 Calm 10.00 Fair CLR 35.1 35.1 100% 30.1 1020.8
08 01:56 Calm 10.00 Fair CLR 35.1 35.1 100% 30.08 1020.1
08 00:56 NW 5 10.00 Fair CLR 36 35.1 48 36 97% 33 30.05 1019.4
07 23:56 Calm 10.00 Fair CLR 37.9 37 97% 30.06 1019.4
07 22:56 NW 5 10.00 Fair CLR 39 39 100% 36 30.05 1019.0
07 21:56 Calm 10.00 Fair CLR 39.9 37.9 93% 30.03 1018.6
07 20:56 Calm 10.00 Fair CLR 44.1 37.9 79% 30.02 1018.3
07 19:56 NW 6 10.00 Fair CLR 46 37.9 73% 44 30.02 1018.5
07 18:56 Calm 10.00 Fair CLR 48 37.9 59 45 68% 30 1017.7
07 17:56 NW 3 10.00 Fair CLR 48.9 37 64% 29.97 1016.6
07 16:56 NW 5 10.00 Fair CLR 53.1 37 55% 29.93 1015.3
07 15:56 W 8 10.00 A Few Clouds FEW046 55.9 39 53% 29.91 1014.5
07 14:56 W 12 G 22 10.00 A Few Clouds FEW046 57.9 39 50% 29.9 1013.9
07 13:56 NW 6 10.00 Overcast OVC048 57.9 39 50% 29.87 1013.1
07 12:56 NW 15 10.00 Overcast OVC046 55.9 39 57.9 32 53% 29.84 1012.2
07 11:56 W 13 G 18 10.00 Overcast OVC050 55.9 41 57% 29.84 1012.1
07 10:56 NW 5 10.00 Overcast OVC048 54 42.1 64% 29.84 1012.0
07 09:56 Calm 10.00 Mostly Cloudy BKN050 46.9 46.9 100% 29.82 1011.4
07 08:56 Calm 4.00 Fair with Haze CLR 39.2 0 0% 29.8 1010.8
07 06:56 Calm 6.00 Fair with Haze CLR 32 0 33.1 28.9 0% 29.73 1008.4
07 05:56 Calm 1.00 Fog/Mist VV003 30.2 0 0% 29.7 1007.5
07 04:56 Calm 1.75 Fog/Mist CLR 30.2 0 0% 29.68 1006.8
07 03:56 Calm 3.00 Fog/Mist CLR 30.2 0 0% 29.67 1006.4
07 02:56 Calm 2.00 Fog/Mist FEW060 32 0 0% 29.68 1006.8
07 01:56 Calm 2.50 Fog/Mist BKN060 30.2 0 0% 29.67 1006.6
07 00:56 Calm 2.50 Fog/Mist CLR 33.8 0 43 33.1 0% 29.67 1006.5
06 23:56 Calm 2.50 Fog/Mist CLR 33.8 0 0% 29.68 1006.8
06 22:56 Calm 4.00 A Few Clouds with Haze FEW095 37.4 0 0% 29.69 1007.1
06 21:56 Calm 6.00 Fog/Mist SCT070 OVC085 39.9 39.9 100% 29.7 1007.5
06 20:56 Calm 6.00 Fog/Mist FEW065 OVC085 42.1 42.1 100% 29.71 1007.9
06 19:56 Calm 8.00 Overcast OVC080 42.1 42.1 100% 29.73 1008.5
06 18:56 Calm 9.00 Overcast OVC070 42.1 42.1 46.9 41 100% 29.74 1008.9
06 17:56 Calm 10.00 Mostly Cloudy BKN070 42.1 41 96% 29.76 1009.4
06 16:56 Calm 10.00 Overcast OVC016 45 41 86% 29.76 1009.6
06 15:56 Calm 10.00 Mostly Cloudy BKN016 BKN090 45 41 86% 29.75 1009.2
06 14:56 SE 9 10.00 Fair CLR 46.9 39.9 77% 43 29.75 1009.2
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)