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 20:56 Calm 2.00 Fog/Mist OVC003 60.8 0 0% 30.18 1023.4
24 19:56 Vrbl 3 2.50 Fog/Mist OVC007 60.8 0 64.9 60.1 0% 30.18 1023.3
24 18:56 Vrbl 5 10.00 Overcast OVC009 62.6 0 0% 30.17 1023.0
24 17:56 Calm 10.00 Overcast OVC011 64 64 100% 30.17 1022.8
24 16:56 Vrbl 3 10.00 Overcast OVC011 64 64 100% 30.19 1023.6
24 15:56 Calm 10.00 Overcast OVC009 64 63 96% 30.2 1023.8
24 14:56 Calm 10.00 Overcast OVC007 62.1 62.1 100% 30.22 1024.5
24 13:56 Calm 10.00 Overcast OVC007 60.8 0 60.1 53.1 0% 30.24 1025.4
24 12:56 SE 3 10.00 Overcast OVC005 59 0 0% 30.26 1026.1
24 11:56 Vrbl 3 10.00 Overcast OVC005 57.2 0 0% 30.27 1026.4
24 10:56 Vrbl 5 10.00 Overcast OVC005 57.2 0 0% 30.28 1026.8
24 09:56 Vrbl 5 10.00 Overcast OVC005 55.4 0 0% 30.28 1026.9
24 08:56 Calm 10.00 Overcast OVC005 53.6 0 0% 30.3 1027.3
24 07:56 Calm 10.00 Overcast OVC005 51.8 0 53.1 51.1 0% 30.29 1027.1 0.64
24 06:56 Calm 10.00 Light Rain OVC005 51.8 0 0% 30.28 1026.9 0.01
24 05:56 Calm 10.00 Light Rain BKN005 OVC015 51.8 0 0% 30.27 1026.5 0.09
24 04:56 Calm 6.00 Light Rain OVC007 51.8 0 0% 30.26 1026.3 0.18 0.54
24 03:56 Calm 5.00 Rain BKN005 OVC043 51.8 0 0% 30.27 1026.7 0.23
24 02:56 NE 3 6.00 Rain OVC005 51.8 0 0% 30.28 1027.0 0.13
24 01:56 Calm 7.00 Light Rain BKN007 OVC011 51.8 0 52 51.1 0% 30.29 1027.3 0.07 0.23
24 00:56 Calm 4.00 Light Rain OVC005 51.8 0 0% 30.31 1028.0 0.04
23 23:56 Calm 9.00 Light Rain OVC005 51.8 0 0% 30.31 1028.0 0.02
23 22:56 Calm 10.00 Light Rain OVC005 51.8 0 0% 30.32 1028.3 0.06 0.1
23 21:56 Calm 7.00 Light Rain OVC005 51.8 0 0% 30.32 1028.4 0.03
23 20:56 Vrbl 3 7.00 Light Rain OVC005 51.8 0 0% 30.32 1028.3 0.01
23 19:56 Vrbl 3 10.00 Light Rain OVC007 51.8 0 53.1 51.1 0% 30.32 1028.2 0.01 0.26
23 18:56 Vrbl 6 10.00 Light Rain OVC007 51.8 0 0% 30.32 1028.3 0.07
23 17:56 Vrbl 6 3.00 Light Rain OVC007 51.8 0 0% 30.31 1028.0 0.07
23 16:56 Vrbl 3 4.00 Light Rain OVC005 53.6 0 0% 30.31 1027.9 0.11 0.11
23 15:56 Vrbl 5 6.00 Overcast with Haze OVC007 53.6 0 0% 30.33 1028.6
23 14:56 Vrbl 3 10.00 Light Rain OVC007 53.6 0 0% 30.34 1028.8
23 13:56 Calm 8.00 Overcast OVC007 51.8 0 52 50 0% 30.35 1029.4 0.01 0.27
23 12:56 Calm 6.00 Light Rain BKN009 OVC012 51.8 0 0% 30.37 1030.0 0.03
23 11:56 Calm 3.00 Light Rain OVC005 51.8 0 0% 30.37 1030.2 0.08
23 10:56 Vrbl 6 3.00 Rain BKN007 OVC012 51.8 0 0% 30.37 1030.0 0.12 0.15
23 09:56 Calm 2.00 Light Rain OVC007 51.8 0 0% 30.37 1030.0 0.02
23 08:56 Calm 1.75 Light Rain OVC005 51.8 0 0% 30.36 1029.7 0.01
23 07:56 Calm 4.00 Light Rain OVC005 50 0 50 48 0% 30.35 1029.4 0.01 0.12
23 06:56 Vrbl 5 10.00 Overcast OVC007 48.2 0 0% 47 30.33 1028.7
23 05:56 Vrbl 5 9.00 Light Rain OVC005 48.2 0 0% 47 30.32 1028.2 0.01
23 04:56 Vrbl 3 9.00 Light Rain OVC005 48.2 0 0% 30.33 1028.5 0.03 0.1
23 03:56 Vrbl 3 10.00 Light Rain OVC007 48.2 0 0% 30.33 1028.7 0.02
23 02:56 Vrbl 5 10.00 Light Rain OVC007 48.2 0 0% 47 30.35 1029.1 0.05
23 01:56 Vrbl 3 5.00 Rain OVC007 48.2 0 51.1 48.9 0% 30.35 1029.4 0.09 0.79
23 00:56 Calm 7.00 Light Rain BKN007 OVC034 48.2 0 0% 30.36 1029.6 0.18
22 23:56 Vrbl 3 6.00 Rain FEW007 OVC040 48.2 0 0% 30.36 1029.7 0.15
22 22:56 Calm 4.00 Rain BKN030 BKN042 OVC065 48.2 0 0% 30.37 1029.8 0.23 0.37
22 21:56 Calm 8.00 Light Rain OVC031 48.2 0 0% 30.37 1029.9 0.08
22 20:56 Vrbl 6 10.00 Light Rain FEW012 OVC033 48.2 0 0% 46 30.35 1029.2 0.06
22 19:56 Calm 2.50 Light Rain FEW012 BKN060 OVC070 51.8 0 57.9 51.1 0% 30.34 1028.8 0.05 0.31
22 18:56 Vrbl 6 10.00 Light Rain FEW010 BKN015 OVC036 53.6 0 0% 30.33 1028.4 0.03
22 17:56 Vrbl 5 5.00 Light Rain BKN012 OVC023 53.6 0 0% 30.33 1028.4 0.04
22 16:56 Vrbl 6 10.00 Light Rain OVC008 55.4 0 0% 30.31 1027.9 0.02 0.19
22 15:56 Vrbl 7 10.00 Light Rain BKN008 OVC015 55.4 0 0% 30.31 1027.8 0.1
22 14:56 Vrbl 5 6.00 Light Rain BKN008 OVC014 57.2 0 0% 30.32 1028.0 0.07
22 13:56 E 5 10.00 Light Rain BKN012 BKN017 OVC034 57.2 0 57.9 55.9 0% 30.32 1027.9 0.01 0.08
22 12:56 Calm 4.00 Light Rain OVC008 57.2 0 0% 30.33 1028.3 0.02
22 11:56 Vrbl 5 2.50 Light Rain BKN008 OVC020 55.4 0 0% 30.34 1028.7 0.05
22 10:56 Calm 6.00 Light Rain BKN012 BKN017 OVC025 57.2 0 0% 30.32 1028.2
22 09:56 Calm 10.00 Overcast BKN013 OVC021 57.2 0 0% 30.33 1028.2
22 08:56 Calm 9.00 Light Rain OVC036 57.2 0 0% 30.31 1027.8
22 07:56 Vrbl 3 6.00 Light Rain SCT007 BKN024 OVC036 55.4 0 55.9 54 0% 30.3 1027.5 0.01 0.07
22 06:56 NE 3 5.00 Overcast with Haze FEW009 BKN016 OVC036 55.4 0 0% 30.29 1027.0
22 05:56 Calm 10.00 Light Rain FEW012 BKN036 OVC050 55.4 0 0% 30.28 1026.6
22 04:56 Calm 10.00 Overcast OVC036 53.6 0 0% 30.26 1026.1 0.06
22 03:56 Vrbl 5 10.00 Light Rain OVC032 53.6 0 0% 30.24 1025.5 0.02
22 02:56 Vrbl 7 6.00 Light Rain BKN007 OVC019 53.6 0 0% 30.25 1026.0 0.04
22 01:56 Calm 4.00 Light Rain OVC007 55.4 0 55 54 0% 30.26 1026.1 0.03 0.07
22 00:56 Calm 5.00 Light Rain SCT009 BKN031 OVC110 55.4 0 0% 30.27 1026.4 0.02
21 23:56 Calm 10.00 Light Rain SCT013 BKN055 BKN120 55.4 0 0% 30.27 1026.5 0.01
21 22:56 Calm 10.00 Overcast OVC007 55.4 0 0% 30.28 1026.5 0.01
21 21:56 Calm 10.00 Light Rain FEW015 BKN120 55.4 0 0% 30.26 1025.9 0.01
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)