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.
24 16:56 Vrbl 3 10.00 Fair CLR 66 46.9 50% 30.29 1026.9
24 15:56 Vrbl 3 10.00 A Few Clouds FEW037 64.9 46.9 52% 30.3 1027.5
24 14:56 Vrbl 3 10.00 Mostly Cloudy BKN035 64.9 48 54% 30.32 1028.2
24 13:56 Vrbl 7 10.00 Overcast OVC033 62.1 51.1 63 48.9 67% 30.35 1029.0
24 12:56 Vrbl 5 10.00 Overcast OVC035 63 51.1 65% 30.36 1029.6
24 11:56 Vrbl 5 10.00 Overcast OVC029 61 50 67% 30.38 1030.3
24 10:56 Vrbl 5 10.00 Overcast OVC027 57.9 50 75% 30.4 1030.7
24 09:56 Vrbl 5 10.00 Mostly Cloudy FEW031 BKN041 55.9 48.9 77% 30.41 1031.0
24 08:56 Vrbl 6 10.00 Partly Cloudy SCT028 52 46.9 83% 30.4 1030.8
24 07:56 Calm 10.00 Mostly Cloudy BKN028 48.9 48 50 46.9 97% 30.39 1030.6
24 06:56 Vrbl 3 10.00 A Few Clouds FEW029 46.9 46.9 100% 30.38 1030.1
24 05:56 Vrbl 3 10.00 Fair CLR 48 48 100% 30.38 1030.1
24 04:56 Calm 10.00 Fair CLR 48 48 100% 30.38 1030.2
24 03:56 Calm 10.00 Fair CLR 48.9 48.9 100% 30.38 1030.0
24 02:56 Calm 10.00 Partly Cloudy SCT033 48.2 0 0% 30.39 1030.4
24 01:56 Calm 10.00 Fair CLR 50 50 60.1 48.9 100% 30.39 1030.7
24 00:56 Calm 10.00 Fair CLR 51.1 51.1 100% 30.4 1030.9
23 23:56 Calm 10.00 Partly Cloudy SCT120 52 52 100% 30.41 1031.1
23 22:56 Calm 10.00 Overcast OVC120 55 52 90% 30.41 1031.2
23 21:56 Calm 10.00 Overcast OVC110 55.9 53.1 90% 30.41 1031.3
23 20:56 Calm 10.00 Partly Cloudy SCT110 57 54 90% 30.41 1031.2
23 19:56 Calm 10.00 Overcast OVC100 60.1 53.1 64 60.1 78% 30.39 1030.5
23 18:56 Vrbl 3 10.00 Overcast OVC100 61 54 78% 30.38 1030.0
23 17:56 Vrbl 5 10.00 Overcast FEW037 OVC095 62.1 55 78% 30.37 1029.7
23 16:56 NE 7 10.00 Overcast FEW034 SCT080 OVC090 63 53.1 70% 30.38 1029.9
23 15:56 Vrbl 6 10.00 Overcast OVC029 63 55 76% 30.38 1030.1
23 14:56 Vrbl 6 10.00 Overcast OVC025 62.1 55.9 80% 30.38 1030.1
23 13:56 Vrbl 6 10.00 Overcast FEW019 OVC025 60.1 55 60.1 53.1 84% 30.4 1030.5
23 12:56 Vrbl 3 10.00 Overcast FEW011 BKN021 OVC043 57.9 57 97% 30.41 1031.0
23 11:56 Calm 5.00 Light Rain Fog/Mist BKN007 OVC012 55 55 100% 30.42 1031.4
23 10:56 Calm 10.00 Overcast OVC016 54 53.1 97% 30.42 1031.6
23 09:56 Vrbl 5 10.00 Overcast OVC020 53.1 52 96% 30.41 1031.1
23 08:56 Vrbl 5 10.00 Overcast BKN020 OVC027 53.1 53.1 100% 30.39 1030.5
23 07:56 Vrbl 5 10.00 Overcast OVC025 53.1 53.1 55.9 53.1 100% 30.38 1030.1 0.01
23 06:56 Calm 10.00 Overcast FEW032 OVC043 54 54 100% 30.35 1029.2
23 05:56 Vrbl 3 10.00 Overcast FEW017 OVC028 55.4 0 0% 30.35 1029.0
23 04:56 Calm 10.00 Overcast OVC026 55.4 0 0% 30.33 1028.5 0.01
23 03:56 Vrbl 5 10.00 Overcast FEW032 BKN043 OVC050 55.4 0 0% 30.32 1028.1
23 02:56 Vrbl 3 10.00 Overcast BKN048 OVC055 55.4 0 0% 30.32 1028.0 0.01
23 01:56 Vrbl 3 5.00 Light Rain OVC046 55.4 0 57 55.9 0% 30.33 1028.3 0.02 0.36
23 00:56 Calm 10.00 Light Rain FEW012 BKN055 OVC070 55.4 0 0% 30.33 1028.3 0.06
22 23:56 Vrbl 3 10.00 Light Rain FEW012 BKN050 OVC060 57.2 0 0% 30.32 1028.1 0.05
22 22:56 Vrbl 3 8.00 Rain FEW021 SCT055 OVC070 57 57 100% 30.32 1028.2 0.13 0.23
22 21:56 Vrbl 5 8.00 Light Rain BKN012 OVC031 57.2 0 0% 30.32 1027.9 0.05
22 20:56 Vrbl 5 10.00 Light Rain OVC008 57.2 0 0% 30.31 1027.7 0.05
22 19:56 Vrbl 6 10.00 Light Rain OVC010 57.2 0 59 57 0% 30.28 1026.7 0.08 0.36
22 18:56 Vrbl 3 8.00 Light Rain OVC008 57.2 0 0% 30.28 1026.5 0.03
22 17:56 Vrbl 5 7.00 Light Rain BKN008 OVC021 57.2 0 0% 30.26 1025.9 0.06
22 16:56 Vrbl 6 10.00 Light Rain OVC010 57.2 0 0% 30.25 1025.5 0.02 0.19
22 15:56 Vrbl 5 3.00 Light Rain Fog/Mist OVC008 57.9 57.9 100% 30.25 1025.5 0.16
22 14:56 Vrbl 3 6.00 Light Rain OVC008 59 0 0% 30.25 1025.5 0.01
22 13:56 Vrbl 5 9.00 Light Rain OVC008 59 59 59 57 100% 30.24 1025.4 0.05 0.12
22 12:56 Vrbl 5 9.00 Light Rain OVC006 57.2 0 0% 30.25 1025.6 0.02
22 11:56 Vrbl 3 4.00 Light Rain OVC008 57.2 0 0% 30.25 1025.7 0.02
22 10:56 Vrbl 3 4.00 Light Rain OVC008 57.2 0 0% 30.23 1025.1 0.01 0.03
22 09:56 Vrbl 3 7.00 Light Rain OVC008 57.9 57.9 100% 30.22 1024.7 0.02
22 08:56 Vrbl 3 4.00 Light Rain OVC008 57.2 0 0% 30.21 1024.4
22 07:56 Vrbl 3 10.00 Overcast OVC008 57.2 0 62.1 57.9 0% 30.19 1023.7 0.04 0.43
22 05:56 NE 3 8.00 Rain OVC006 59 0 0% 30.16 1022.7 0.09
22 04:56 Vrbl 3 6.00 Rain OVC006 59 0 0% 30.13 1021.7 0.03 0.19
22 03:56 NE 6 2.50 Light Rain BKN008 OVC015 60.8 0 0% 30.13 1021.6 0.13
22 02:56 Vrbl 3 3.00 Light Rain OVC006 62.6 0 0% 30.11 1020.9 0.03
22 01:56 Vrbl 3 2.00 Light Rain OVC006 62.6 0 63 62.1 0% 30.12 1020.9 0.03 0.1
22 00:56 Calm 4.00 Light Rain Fog/Mist OVC006 63 63 100% 30.13 1021.4 0.02
21 23:56 Calm 4.00 Light Rain OVC006 62.6 0 0% 30.13 1021.4 0.04
21 21:56 Vrbl 3 7.00 Overcast OVC008 62.6 0 0% 30.13 1021.4
21 20:56 Calm 8.00 Overcast OVC008 62.6 0 0% 30.11 1020.5
21 19:56 Vrbl 6 10.00 Overcast BKN012 OVC018 62.6 0 66.9 63 0% 30.08 1019.6 0.36
21 18:56 Vrbl 3 10.00 Overcast OVC007 64.4 0 0% 30.08 1019.9
21 17:56 Vrbl 3 10.00 Overcast OVC007 64.4 0 0% 30.07 1019.2 0.1
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)