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.
02 19:56 Calm 10.00 Fair CLR 71.1 61 80.1 71.1 71% 30.21 1024.1
02 18:56 Vrbl 3 10.00 Fair CLR 77 55.9 48% 79 30.22 1024.2
02 17:56 Vrbl 3 10.00 Fair CLR 77 57 50% 79 30.21 1024.1
02 16:56 E 3 10.00 Mostly Cloudy BKN055 BKN070 79 57 47% 80 30.22 1024.5
02 15:56 Vrbl 3 10.00 Mostly Cloudy BKN050 BKN065 80.1 59 49% 81 30.24 1025.0
02 14:56 Vrbl 3 10.00 Mostly Cloudy SCT055 BKN070 77 60.1 56% 79 30.24 1025.1
02 13:56 Vrbl 5 10.00 A Few Clouds FEW070 78.1 57.9 79 63 50% 79 30.25 1025.5
02 12:56 Vrbl 3 10.00 Overcast BKN050 OVC070 78.1 57 48% 79 30.26 1025.9
02 11:56 Calm 10.00 Fair CLR 75.9 59 56% 78 30.27 1026.1
02 10:56 Calm 10.00 Fair CLR 73.9 63 69% 30.28 1026.4
02 09:56 Calm 10.00 Fair CLR 71.1 64 79% 30.29 1026.6
02 08:56 Calm 10.00 Fair CLR 66.9 64.9 93% 30.3 1026.9
02 07:56 Calm 10.00 Fair CLR 62.6 0 63 60.1 0% 30.29 1026.8
02 06:56 Calm 10.00 Fair CLR 60.8 0 0% 30.28 1026.6
02 05:56 Calm 7.00 Fair CLR 60.8 0 0% 30.27 1026.2
02 04:56 Calm 7.00 A Few Clouds FEW035 60.8 0 0% 30.26 1025.7
02 03:56 Calm 9.00 Fair CLR 60.8 0 0% 30.25 1025.4
02 02:56 Calm 5.00 Fair with Haze CLR 60.8 0 0% 30.25 1025.4
02 01:56 Calm 2.50 Fog/Mist CLR 62.6 0 70 62.1 0% 30.25 1025.6
02 00:56 Calm 10.00 Fair CLR 62.6 0 0% 30.25 1025.5
01 23:56 Calm 10.00 A Few Clouds FEW075 64.4 0 0% 30.25 1025.3
01 22:56 Calm 10.00 Overcast OVC065 68 68 100% 30.25 1025.5
01 21:56 Calm 10.00 Overcast OVC070 68 68 100% 30.26 1025.7
01 20:56 Calm 10.00 Overcast BKN055 OVC070 69.1 69.1 100% 30.25 1025.4
01 19:56 Vrbl 3 10.00 Overcast OVC046 70 69.1 73.9 70 97% 30.23 1024.8
01 18:56 Calm 10.00 Overcast SCT026 BKN032 OVC040 70 70 100% 30.22 1024.3
01 17:56 Vrbl 3 10.00 Overcast BKN039 OVC047 72 69.1 91% 30.21 1024.1
01 16:56 Calm 10.00 Overcast OVC033 71.1 70 96% 30.22 1024.2
01 15:56 Vrbl 3 10.00 Overcast OVC030 72 70 94% 30.2 1023.8
01 14:56 Calm 10.00 Overcast BKN026 OVC033 71.1 71.1 100% 30.2 1023.6
01 13:56 Calm 10.00 Overcast BKN022 OVC030 72 70 72 64.9 94% 30.2 1023.7
01 12:56 Vrbl 3 10.00 Overcast OVC022 70 69.1 97% 30.2 1023.6
01 11:56 Vrbl 3 10.00 Overcast OVC020 69.1 69.1 100% 30.2 1023.7
01 10:56 Vrbl 3 10.00 Overcast SCT016 OVC021 68 0 0% 30.18 1023.1
01 09:56 Calm 10.00 Overcast OVC012 66.2 0 0% 30.16 1022.3
01 08:56 Vrbl 5 8.00 Light Rain OVC014 64.4 0 0% 30.16 1022.3
01 06:56 Vrbl 5 10.00 Light Rain OVC010 66.2 0 0% 30.12 1021.1
01 05:56 Vrbl 5 10.00 Light Rain OVC012 66.2 0 0% 30.1 1020.1
01 04:56 Vrbl 5 10.00 Overcast OVC012 66.2 0 0% 30.07 1019.3
01 03:56 Vrbl 3 7.00 Overcast OVC008 66.2 0 0% 30.06 1018.9
01 02:56 Vrbl 5 10.00 Overcast BKN010 OVC016 68 0 0% 30.05 1018.6
01 01:56 Vrbl 5 10.00 Overcast BKN010 OVC016 69.8 0 75 69.1 0% 30.04 1018.2
01 00:56 Vrbl 3 3.00 Fog/Mist OVC007 71.6 0 0% 30.04 1018.2
31 23:56 Calm 8.00 Overcast BKN011 OVC014 71.6 0 0% 30.03 1017.8
31 22:56 Vrbl 3 10.00 Overcast BKN013 OVC019 73.4 0 0% 30.03 1017.6
31 21:56 Calm 10.00 Mostly Cloudy BKN004 73.4 0 0% 30 1016.7
31 20:56 Calm 10.00 Overcast SCT006 OVC018 73.4 0 0% 29.99 1016.4
31 19:56 Calm 5.00 Overcast with Haze OVC006 75.2 0 91 72 0% 29.97 1015.5
31 18:56 W 7 5.00 Rain FEW075 SCT090 OVC110 73.4 0 0% 29.95 1015.2
31 17:56 Vrbl 3 7.00 Thunderstorm Light Rain FEW010 SCT024 BKN110 71.6 0 0% 29.98 1016.2
31 16:56 S 12 10.00 Fair CLR 79 77 94% 83 29.91 1013.6
31 15:56 Vrbl 3 7.00 Thunderstorm FEW016 BKN035 79 79 100% 84 29.93 1014.1
31 14:56 S 15 G 20 10.00 Partly Cloudy FEW032 SCT042 86 79 80% 100 29.92 1014.0
31 13:56 S 7 10.00 A Few Clouds FEW031 89.1 75 91.9 82 63% 99 29.91 1013.5
31 12:56 S 8 10.00 Mostly Cloudy SCT033 BKN075 91.9 78.1 64% 107 29.94 1014.3
31 11:56 Calm 10.00 Mostly Cloudy SCT025 BKN030 BKN043 84.9 84 97% 105 29.97 1015.4
31 10:56 Vrbl 3 10.00 Overcast SCT050 OVC060 88 80.1 77% 105 29.97 1015.6
31 09:56 SE 6 10.00 A Few Clouds FEW060 88 80.1 77% 105 29.97 1015.4
31 08:56 S 5 10.00 Fair CLR 84 82 94% 100 29.98 1015.8
31 06:56 Calm 10.00 Fair CLR 80.6 0 0% 29.97 1015.7
31 05:56 S 3 10.00 Fair CLR 78.8 0 0% 29.97 1015.5
31 04:56 Calm 10.00 A Few Clouds FEW032 80.6 0 0% 29.97 1015.6
31 03:56 SE 3 10.00 Fair CLR 78.8 0 0% 29.97 1015.7
31 02:56 Calm 10.00 Fair CLR 78.8 0 0% 29.98 1016.0
31 01:56 SE 3 10.00 Fair CLR 78.8 0 88 78.1 0% 29.99 1016.1
31 00:56 Calm 10.00 Fair CLR 79 79 100% 84 30 1016.5
30 23:56 SE 3 10.00 Fair CLR 82.9 81 94% 96 30 1016.6
30 22:56 S 6 10.00 Fair CLR 84 79 85% 96 30.02 1016.9
30 21:56 S 5 10.00 Partly Cloudy SCT060 84.9 77 77% 95 30.01 1016.9
30 20:56 Vrbl 5 10.00 Fair CLR 86 73.9 67% 94 29.99 1016.4
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)