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.
21 15:56 S 3 10.00 Partly Cloudy SCT070 55.9 48.9 77% 29.99 1017.0
21 14:56 SE 5 10.00 Fair CLR 57 48.9 74% 29.99 1017.1
21 13:56 Calm 10.00 A Few Clouds FEW090 55 48 77% 30.01 1017.8
21 12:56 Calm 9.00 Overcast OVC085 53.1 48.9 53.1 42.1 86% 30.03 1018.2
21 11:56 SW 5 8.00 Overcast OVC011 52 50 93% 30.05 1019.2
21 10:56 Vrbl 3 7.00 Overcast OVC007 50 50 100% 30.08 1020.0
21 09:56 S 6 6.00 Fog/Mist OVC005 48 48 100% 46 30.08 1020.1
21 08:56 W 3 5.00 Fog/Mist OVC005 46.9 46.9 100% 30.09 1020.5
21 07:56 Calm 6.00 Overcast with Haze OVC007 44.6 0 0% 30.1 1020.9
21 06:56 Calm 6.00 Overcast with Haze OVC011 42.8 0 45 39 0% 30.09 1020.7
21 05:56 Calm 5.00 Fair with Haze CLR 39.2 0 0% 30.09 1020.8
21 04:56 SE 3 9.00 Mostly Cloudy BKN016 41 41 100% 30.08 1020.5
21 03:56 Calm 10.00 Overcast OVC016 44.1 44.1 100% 30.1 1020.9
21 02:56 Calm 10.00 Overcast BKN018 OVC028 44.1 44.1 100% 30.11 1021.3
21 00:56 SE 3 10.00 Overcast FEW017 OVC024 44.1 44.1 45 43 100% 30.13 1022.1
20 23:56 Calm 9.00 Overcast OVC026 44.1 44.1 100% 30.14 1022.3
20 22:56 Calm 9.00 Overcast SCT017 OVC021 44.1 44.1 100% 30.15 1022.7
20 21:56 Calm 9.00 Overcast OVC019 44.1 44.1 100% 30.17 1023.4
20 20:56 Calm 9.00 Overcast OVC019 44.1 43 96% 30.16 1023.1
20 19:56 Calm 9.00 Overcast OVC021 44.1 43 96% 30.17 1023.5
20 18:56 Calm 9.00 Overcast OVC021 44.1 42.1 45 43 93% 30.17 1023.5
20 17:56 Calm 10.00 Overcast BKN021 OVC027 44.1 42.1 93% 30.17 1023.5
20 16:56 Calm 9.00 Overcast OVC031 44.1 42.1 93% 30.16 1023.0
20 15:56 NE 5 10.00 Overcast BKN029 OVC049 44.1 42.1 93% 42 30.17 1023.5
20 14:56 Calm 10.00 Overcast OVC024 45 41 86% 30.17 1023.3
20 13:56 Calm 10.00 Overcast BKN024 BKN032 OVC055 45 39.9 83% 30.17 1023.6
20 12:56 Vrbl 3 10.00 Overcast BKN016 OVC028 44.1 39.9 44.1 37 85% 30.18 1023.7
20 11:56 SE 3 9.00 Overcast BKN016 OVC028 43 39.9 89% 30.21 1024.7
20 10:56 Calm 9.00 Overcast SCT018 OVC026 42.1 39 89% 30.24 1025.8
20 09:56 Calm 10.00 Overcast OVC014 42.1 37.9 85% 30.24 1025.8
20 08:56 Calm 9.00 Overcast OVC014 39.2 0 0% 30.26 1026.5
20 06:56 Calm 9.00 Overcast OVC020 37.4 0 37 33.1 0% 30.24 1026.0
20 05:56 Calm 6.00 Overcast with Haze OVC017 35.6 0 0% 30.23 1025.6
20 04:56 Calm 5.00 Overcast with Haze OVC027 33.8 0 0% 30.24 1025.9
20 03:56 Calm 4.00 A Few Clouds with Haze FEW015 35.6 0 0% 30.23 1025.7
20 02:56 Calm 5.00 Overcast with Haze OVC015 37.4 0 0% 30.24 1025.9
20 01:56 Calm 6.00 Overcast with Haze OVC015 35.6 0 0% 30.24 1025.8
20 00:56 Calm 5.00 Partly Cloudy with Haze SCT017 35.6 0 41 35.1 0% 30.24 1025.8
19 23:56 Calm 10.00 Fair CLR 37 37 100% 30.24 1025.9
19 22:56 Calm 10.00 Overcast OVC019 39.9 39.9 100% 30.26 1026.6
19 21:56 Calm 10.00 Overcast OVC019 39 39 100% 30.27 1027.0
19 20:56 Calm 10.00 Mostly Cloudy SCT018 BKN023 39 39 100% 30.27 1026.9
19 19:56 Calm 10.00 Partly Cloudy SCT016 39.9 39 97% 30.25 1026.2
19 18:56 Calm 10.00 Overcast OVC016 42.1 41 45 42.1 96% 30.23 1025.6
19 17:56 Calm 10.00 Overcast OVC014 42.1 41 96% 30.23 1025.6
19 16:56 NW 3 10.00 Overcast OVC016 43 42.1 97% 30.22 1025.2
19 15:56 N 3 10.00 Overcast BKN015 OVC021 44.1 42.1 93% 30.21 1024.8
19 14:56 N 6 10.00 Overcast OVC021 45 42.1 90% 42 30.19 1024.1
19 13:56 Vrbl 5 10.00 Overcast OVC019 44.1 41 89% 42 30.18 1023.9
19 12:56 Vrbl 5 10.00 Overcast OVC016 44.1 43 44.1 41 96% 42 30.18 1023.8
19 11:56 N 5 10.00 Overcast OVC014 44.1 44.1 100% 42 30.18 1023.6
19 10:56 Vrbl 5 10.00 Overcast OVC010 42.8 0 0% 41 30.18 1023.8
19 09:56 Calm 6.00 Overcast with Haze OVC006 42.8 0 0% 30.17 1023.4
19 07:56 Calm 2.00 Fog/Mist OVC004 41 0 0% 30.12 1021.7
19 06:56 Vrbl 3 4.00 Overcast with Haze OVC004 42.8 0 42.1 39.9 0% 30.09 1020.6 0.12
19 05:56 N 3 2.50 Fog/Mist OVC004 42.8 0 0% 30.05 1019.5 0.01
19 04:56 Calm 3.00 Fog/Mist OVC004 42.8 0 0% 30.04 1019.0
19 03:56 Calm 5.00 Overcast with Haze OVC004 42.8 0 0% 30.04 1018.7 0.03 0.11
19 02:56 E 5 5.00 Light Rain OVC004 41 0 0% 38 30.04 1018.9 0.02
19 01:56 E 5 5.00 Rain OVC004 41 0 0% 38 30.05 1019.1 0.06
19 00:56 E 5 6.00 Light Rain SCT006 BKN060 OVC100 39.2 0 42.1 39 0% 36 30.08 1020.1 0.02 0.3
18 23:56 Calm 6.00 Light Rain BKN005 BKN060 OVC090 39.2 0 0% 30.11 1021.5 0.09
18 22:56 Calm 3.00 Rain FEW004 OVC049 39.2 0 0% 30.14 1022.2 0.11
18 21:56 Calm 7.00 Light Rain OVC040 39.2 0 0% 30.13 1022.3 0.01 0.08
18 20:56 SE 3 10.00 Light Rain OVC046 39.2 0 0% 30.15 1022.9 0.01
18 19:56 SE 6 10.00 Light Rain BKN044 BKN065 OVC075 39.9 39.9 100% 36 30.14 1022.5 0.06
18 18:56 Calm 10.00 Light Rain SCT046 BKN060 OVC095 42.1 37 48.9 42.1 82% 30.14 1022.7
18 17:56 S 6 10.00 Light Rain OVC050 44.1 30.9 60% 41 30.16 1023.3
18 16:56 SE 6 10.00 Overcast OVC055 46.9 25 42% 45 30.15 1022.7
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)