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.
03 18:56 Vrbl 3 10.00 Fair CLR 79 46 31% 79 30.21 1024.1
03 17:56 Calm 10.00 Fair CLR 81 43 26% 80 30.22 1024.2
03 16:56 Calm 10.00 Fair CLR 82 44.1 26% 80 30.23 1024.6
03 15:56 Vrbl 5 10.00 Fair CLR 81 44.1 27% 80 30.24 1025.1
03 14:56 Vrbl 5 10.00 Fair CLR 81 45 28% 80 30.26 1025.8
03 13:56 Vrbl 5 10.00 Fair CLR 80.1 46 80.1 61 30% 79 30.28 1026.3
03 12:56 Vrbl 5 10.00 Fair CLR 79 46.9 32% 79 30.29 1026.7
03 11:56 Vrbl 5 10.00 Fair CLR 77 46.9 35% 78 30.3 1027.0
03 10:56 Vrbl 6 10.00 Fair CLR 75 45 34% 77 30.3 1027.3
03 09:56 Vrbl 5 10.00 Fair CLR 72 46 40% 30.3 1027.1
03 08:56 Vrbl 3 10.00 Fair CLR 68 46 45% 30.29 1026.9
03 07:56 Vrbl 3 10.00 Fair CLR 61 48 61 48.9 63% 30.28 1026.4
03 06:56 Calm 10.00 Fair CLR 51.1 48 89% 30.26 1026.1
03 05:56 Calm 10.00 Fair CLR 48.9 48.9 100% 30.24 1025.5
03 04:56 Calm 10.00 Fair CLR 52 45 77% 30.24 1025.3
03 03:56 Calm 10.00 Fair CLR 52 48 86% 30.25 1025.4
03 02:56 Calm 10.00 Fair CLR 51.1 50 96% 30.24 1025.2
03 01:56 Calm 10.00 Fair CLR 52 50 70 52 93% 30.24 1025.3
03 00:56 Calm 10.00 Fair CLR 53.1 48.9 86% 30.24 1025.2
02 23:56 Calm 10.00 Fair CLR 54 46.9 77% 30.24 1025.2
02 22:56 Calm 10.00 Fair CLR 55.9 46 70% 30.23 1025.1
02 21:56 Calm 10.00 Fair CLR 57.9 48 70% 30.22 1024.8
02 20:56 Calm 10.00 Fair CLR 61 48.9 65% 30.22 1024.6
02 19:56 Calm 10.00 Fair CLR 70 44.1 75.9 70 39% 30.21 1024.3
02 18:56 Vrbl 3 10.00 A Few Clouds FEW080 73 43 34% 30.21 1024.0
02 17:56 Calm 10.00 Fair CLR 73.9 41 31% 30.21 1024.3
02 16:56 Vrbl 6 10.00 Fair CLR 73.9 39 28% 30.21 1024.2
02 15:56 Vrbl 6 10.00 Mostly Cloudy BKN080 75 39.9 28% 77 30.21 1024.3
02 14:56 Vrbl 5 10.00 Fair CLR 73.9 42.1 32% 30.22 1024.6
02 13:56 Vrbl 3 10.00 Fair CLR 73.9 42.1 73.9 57 32% 30.24 1025.0
02 12:56 Calm 10.00 Fair CLR 71.1 39.9 32% 30.25 1025.5
02 11:56 Vrbl 6 10.00 Fair CLR 70 41 35% 30.26 1025.9
02 10:56 Vrbl 3 10.00 Fair CLR 66.9 41 39% 30.27 1026.2
02 09:56 Vrbl 3 10.00 Fair CLR 64.9 45 49% 30.26 1026.1
02 08:56 Calm 10.00 Fair CLR 61 46.9 60% 30.26 1025.9
02 07:56 Vrbl 3 10.00 Fair CLR 57.9 48.9 57.9 48.9 72% 30.25 1025.5
02 06:56 Vrbl 3 10.00 Mostly Cloudy BKN070 53.1 51.1 93% 30.23 1025.0
02 05:56 Calm 10.00 Overcast BKN060 OVC100 51.1 51.1 100% 30.22 1024.6
02 04:56 Calm 10.00 A Few Clouds FEW060 48.2 0 0% 30.21 1024.1
02 03:56 Calm 10.00 A Few Clouds FEW110 51.1 51.1 100% 30.2 1023.7
02 02:56 Calm 10.00 Fair CLR 53.1 51.1 93% 30.2 1023.7
02 01:56 Calm 10.00 Fair CLR 55.9 48.9 71.1 55 77% 30.19 1023.4
02 00:56 Vrbl 5 10.00 Fair CLR 57 48.9 74% 30.16 1022.6
01 23:56 Vrbl 5 10.00 Fair CLR 59 48.9 69% 30.14 1021.8
01 22:56 Vrbl 3 10.00 Fair CLR 61 48.9 65% 30.13 1021.3
01 21:56 Vrbl 7 10.00 Fair CLR 63 48 58% 30.1 1020.1
01 20:56 Vrbl 6 10.00 Overcast OVC100 66.9 50 55% 30.06 1018.9
01 19:56 Calm 10.00 Fair CLR 71.1 46.9 78.1 71.1 42% 30.04 1018.2
01 18:56 Calm 10.00 Partly Cloudy SCT100 73 48.9 43% 30.03 1017.9
01 17:56 Vrbl 5 10.00 Mostly Cloudy BKN080 75.9 46 35% 78 30.02 1017.8
01 16:56 Calm 10.00 Fair CLR 77 46 33% 78 30.01 1017.5
01 15:56 Vrbl 5 10.00 Partly Cloudy SCT090 78.1 46 32% 78 30.01 1017.2
01 14:56 Calm 10.00 Mostly Cloudy FEW075 BKN090 77 48 36% 78 30 1017.0
01 13:56 Vrbl 3 10.00 A Few Clouds FEW075 77 46.9 78.1 63 35% 78 29.99 1016.6
01 12:56 Vrbl 3 10.00 Fair CLR 75.9 48 37% 78 30 1016.7
01 11:56 Vrbl 3 10.00 Fair CLR 75 46 36% 77 29.99 1016.7
01 10:56 Vrbl 3 10.00 Fair CLR 75.9 48 37% 78 29.98 1016.2
01 09:56 Calm 10.00 Fair CLR 73 48.9 43% 29.97 1016.0
01 08:56 Vrbl 3 10.00 Fair CLR 69.1 46.9 45% 29.96 1015.7
01 07:56 Calm 10.00 Fair CLR 63 48 63 50 58% 29.95 1015.3
01 06:56 Calm 10.00 Fair CLR 53.1 53.1 100% 29.93 1014.8
01 05:56 Calm 10.00 Fair CLR 50 0 0% 29.92 1014.3
01 04:56 Calm 10.00 Fair CLR 51.8 0 0% 29.91 1014.1
01 03:56 Calm 10.00 Fair CLR 53.1 53.1 100% 29.91 1014.0
01 02:56 Calm 10.00 Partly Cloudy SCT080 55 51.1 87% 29.93 1014.6
01 01:56 Calm 10.00 Mostly Cloudy BKN085 57 46.9 71.1 57 69% 29.94 1015.0
01 00:56 SE 6 10.00 Fair CLR 61 46.9 60% 29.96 1015.4
31 23:56 Vrbl 3 10.00 Fair CLR 59 45 60% 29.96 1015.8
31 22:56 Calm 10.00 Fair CLR 59 45 60% 29.97 1016.2
31 21:56 Calm 10.00 Fair CLR 59 46.9 64% 29.97 1016.3
31 20:56 Calm 10.00 Fair CLR 62.1 43 50% 29.96 1015.9
31 19:56 Calm 10.00 Fair CLR 71.1 41 77 71.1 34% 29.95 1015.5
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)