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.
26 15:56 Vrbl 3 10.00 Overcast BKN050 OVC065 75.9 63 64% 78 30.1 1020.5
26 14:56 Calm 10.00 Overcast OVC050 73 64.9 76% 30.13 1021.4
26 13:56 S 3 10.00 Overcast BKN050 OVC070 73 66 73.9 66.9 79% 30.15 1022.1
26 12:56 Calm 10.00 Overcast BKN060 BKN070 OVC085 72 66.9 84% 30.17 1022.5
26 11:56 SE 5 10.00 Overcast BKN080 OVC100 69.1 68 96% 30.18 1023.2
26 10:56 SE 7 10.00 Overcast OVC070 68 68 100% 30.18 1023.0
26 09:56 Calm 7.00 Light Rain FEW060 OVC080 69.8 0 0% 30.18 1023.0
26 08:56 Calm 7.00 Overcast FEW037 OVC070 68 0 0% 30.18 1022.8
26 07:56 Calm 6.00 Light Rain OVC070 66.2 0 66.9 63 0% 30.16 1022.4 0.01 0.01
26 06:56 Calm 4.00 Overcast with Haze OVC085 64.4 0 0% 30.14 1021.8
26 05:56 Calm 3.00 Fog/Mist BKN090 OVC110 64.4 0 0% 30.12 1020.8
26 04:56 Calm 2.00 Fog/Mist OVC100 62.6 0 0% 30.1 1020.2
26 03:56 Calm 0.75 Fog/Mist FEW003 BKN100 64.4 0 0% 30.09 1019.9
26 02:56 Calm 0.50 Fog BKN001 OVC110 64.4 0 0% 30.09 1019.8
26 01:56 Calm 0.50 Fog BKN001 64.4 0 70 64 0% 30.1 1020.1
26 00:56 Calm 1.25 Fog/Mist BKN003 OVC110 64.4 0 0% 30.11 1020.5
25 23:56 Calm 2.00 Fog/Mist BKN065 64.4 0 0% 30.11 1020.9
25 22:56 Calm 1.25 Fog/Mist CLR 66.2 0 0% 30.12 1020.9
25 21:56 Calm 8.00 A Few Clouds FEW065 68 0 0% 30.12 1021.0
25 20:56 Calm 10.00 Fair CLR 69.8 0 0% 30.11 1020.7
25 19:56 Calm 10.00 A Few Clouds FEW060 71.1 71.1 77 71.1 100% 30.09 1020.1 0.01
25 18:56 Calm 10.00 Fair CLR 73.9 73 97% 30.09 1019.8
25 17:56 SE 7 10.00 Fair CLR 73.9 73.9 100% 30.08 1019.7
25 16:56 Calm 10.00 Mostly Cloudy SCT015 BKN023 BKN110 75.9 73 91% 76 30.09 1019.8 0.01
25 15:56 NW 3 10.00 Overcast SCT011 OVC090 73 73 100% 30.1 1020.2
25 14:56 Calm 10.00 Light Rain SCT013 BKN029 OVC065 72 71.1 97% 30.1 1020.5 0.01
25 13:56 NW 5 10.00 Light Rain BKN012 OVC031 71.6 0 72 63 0% 30.11 1020.8 0.02
25 12:56 SW 5 8.00 Light Rain OVC007 69.8 0 0% 30.14 1021.6 0.01
25 11:56 W 7 7.00 Overcast OVC003 68 0 0% 30.14 1021.9
25 10:56 W 6 8.00 Overcast OVC003 66.2 0 0% 30.14 1021.9 0.01
25 09:56 Calm 8.00 Overcast OVC003 66.2 0 0% 30.13 1021.4 0.01
25 08:56 Calm 0.25 Light Rain OVC003 64.4 0 0% 30.13 1021.4
25 07:56 Calm 0.50 Light Rain BKN003 OVC017 62.6 0 63 60.1 0% 30.12 1021.3 0.01 0.05
25 06:56 Calm 0.25 Fog OVC003 62.6 0 0% 30.12 1021.1
25 05:56 Calm 0.25 Light Rain OVC003 60.8 0 0% 30.1 1020.6 0.01
25 04:56 Calm 0.75 Light Rain OVC001 60.8 0 0% 30.11 1020.8 0.01 0.03
25 03:56 SE 3 0.75 Light Rain OVC001 60.8 0 0% 30.11 1020.8 0.02
25 02:56 SE 3 0.50 Fog BKN003 OVC017 60.8 0 0% 30.11 1020.9
25 01:56 Calm 0.50 Fog BKN001 OVC019 60.8 0 61 59 0% 30.12 1021.3
25 00:56 Vrbl 5 2.00 Fog/Mist OVC003 60.8 0 0% 30.15 1022.2
24 23:56 Calm 2.50 Fog/Mist OVC003 60.8 0 0% 30.15 1022.3
24 22:56 SE 5 1.75 Fog/Mist OVC003 60.8 0 0% 30.18 1023.3
24 21:56 SE 3 1.50 Fog/Mist BKN003 OVC012 60.8 0 0% 30.19 1023.5
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
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)