Weather observations for the past three days for
Gaithersburg - Montgomery County Airport
Imperial (Metric)
Date Time (est) 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.
05 00:56 S 8 10.00 Rain BKN029 OVC043 64 64 66.9 63 100% 29.97 1016.1 0.02 0.02
04 23:56 SE 7 10.00 Overcast BKN037 OVC110 64 64 100% 29.99 1016.7
04 22:56 S 6 10.00 Mostly Cloudy FEW025 BKN120 64 63 96% 30 1016.9
04 21:56 SE 9 10.00 Partly Cloudy SCT019 64 61 90% 30.01 1017.3
04 20:56 SE 9 10.00 Fair CLR 64 62.1 93% 30.02 1017.7
04 19:56 SE 7 10.00 Fair CLR 64.9 62.1 90% 30.03 1018.2
04 18:56 S 7 10.00 Fair CLR 66.9 61 75.9 64.9 81% 30.05 1018.7
04 17:56 S 7 10.00 Fair CLR 66 59 78% 30.06 1019.2
04 16:56 SE 8 10.00 Fair CLR 68 57 68% 30.05 1018.8
04 15:56 SE 10 10.00 Fair CLR 72 55 55% 30.05 1018.9
04 14:56 S 13 10.00 Fair CLR 73.9 52 46% 30.07 1019.3
04 13:56 S 13 G 20 10.00 Fair CLR 75 50 42% 78 30.08 1019.8
04 12:56 S 9 10.00 Fair CLR 75 55 75 52 50% 78 30.1 1020.4
04 11:56 S 10 10.00 Fair CLR 75 57.9 55% 78 30.13 1021.2
04 10:56 S 7 10.00 Fair CLR 72 57.9 61% 30.15 1022.2
04 09:56 S 9 G 16 10.00 Fair CLR 66.9 57.9 73% 30.17 1022.8
04 08:56 S 8 10.00 Fair CLR 64 57 78% 30.18 1023.2
04 07:56 S 5 10.00 Fair CLR 57.9 57 97% 30.18 1023.4
04 06:56 SE 3 10.00 Fair CLR 53.1 53.1 55.9 52 100% 30.18 1023.2
04 05:56 SE 3 10.00 Fair CLR 54 54 100% 30.17 1023.0
04 04:56 S 5 10.00 Fair CLR 55 55 100% 30.18 1023.2
04 03:56 Calm 10.00 Fair CLR 53.1 53.1 100% 30.17 1023.1
04 02:56 SE 5 10.00 Fair CLR 55 55 100% 30.19 1023.5
04 01:56 SE 7 10.00 Fair CLR 55.9 54 93% 30.21 1024.0
04 00:56 SE 5 10.00 Fair CLR 55.9 55 61 55.9 97% 30.23 1024.8
03 23:56 SE 7 10.00 Fair CLR 57 55.9 96% 30.23 1025.0
03 22:56 SE 6 10.00 Fair CLR 57.9 55.9 93% 30.24 1025.3
03 21:56 SE 6 10.00 Fair CLR 55.9 54 93% 30.25 1025.5
03 20:56 SE 3 10.00 Fair CLR 59 55 87% 30.25 1025.6
03 19:56 SE 5 10.00 Fair CLR 61 54 78% 30.24 1025.3
03 18:56 Calm 10.00 Fair CLR 61 54 73 61 78% 30.24 1025.3
03 17:56 SE 5 10.00 Fair CLR 62.1 53.1 73% 30.23 1025.0
03 16:56 SE 5 10.00 Fair CLR 66.9 54 63% 30.22 1024.7
03 15:56 SE 7 10.00 Fair CLR 70 54 57% 30.23 1024.9
03 14:56 SE 7 10.00 Fair CLR 73 54 51% 30.23 1025.0
03 13:56 Vrbl 3 10.00 Fair CLR 73 53.1 50% 30.24 1025.4
03 12:56 SW 6 10.00 Fair CLR 72 52 72 45 50% 30.27 1026.1
03 11:56 S 8 10.00 Fair CLR 71.1 53.1 53% 30.29 1027.0
03 10:56 SW 7 10.00 Fair CLR 66 52 61% 30.32 1028.0
03 09:56 Vrbl 6 10.00 Fair CLR 62.1 51.1 67% 30.33 1028.4
03 08:56 Vrbl 7 10.00 Fair CLR 57.9 50 75% 30.34 1028.7
03 07:56 SE 6 10.00 Fair CLR 51.1 48.9 92% 30.33 1028.7
03 06:56 Calm 9.00 Fair CLR 45 45 48 43 100% 30.33 1028.4
03 05:56 SE 5 10.00 Fair CLR 44.1 44.1 100% 42 30.31 1028.1
03 04:56 Calm 10.00 Fair CLR 44.1 44.1 100% 30.31 1027.9
03 03:56 Calm 10.00 Fair CLR 43 43 100% 30.3 1027.6
03 02:56 Calm 10.00 Fair CLR 45 45 100% 30.3 1027.6
03 01:56 SE 5 10.00 Fair CLR 48 48 100% 47 30.31 1027.9
03 00:56 SE 5 10.00 Fair CLR 46 46 55 45 100% 44 30.32 1028.3
02 23:56 Calm 10.00 Fair CLR 45 45 100% 30.34 1028.9
02 22:56 SE 3 10.00 Fair CLR 50 46 86% 30.35 1029.1
02 21:56 S 3 10.00 Fair CLR 51.1 44.1 77% 30.37 1029.8
02 20:56 Calm 10.00 Fair CLR 48 45 89% 30.37 1029.9
02 19:56 SE 5 10.00 Fair CLR 52 44.1 75% 30.36 1029.8
02 18:56 SE 5 10.00 Fair CLR 53.1 46 63 53.1 77% 30.36 1029.7
02 17:56 SE 6 10.00 Overcast OVC100 57.9 46 65% 30.36 1029.7
02 16:56 SE 5 10.00 Overcast OVC100 59 46 62% 30.36 1029.5
02 15:56 SE 6 10.00 Overcast OVC100 61 46.9 60% 30.35 1029.3
02 14:56 S 3 10.00 Overcast OVC100 62.1 46 56% 30.36 1029.6
02 13:56 SE 8 10.00 Overcast OVC100 62.1 45 54% 30.37 1029.9
02 12:56 SE 7 10.00 Overcast OVC110 63 45 63 44.1 52% 30.39 1030.4
02 11:56 SW 6 10.00 A Few Clouds FEW120 60.1 45 58% 30.41 1031.4
02 10:56 SW 6 10.00 Partly Cloudy SCT120 57 44.1 62% 30.45 1032.5
02 09:56 S 3 10.00 Fair CLR 55.9 44.1 65% 30.46 1032.9
02 08:56 S 3 10.00 Fair CLR 55 42.1 62% 30.46 1033.1
02 07:56 S 6 10.00 Fair CLR 52 43 72% 30.47 1033.4
02 06:56 Calm 10.00 Fair CLR 43 41 44.1 39.9 93% 30.45 1032.8
02 05:56 Calm 10.00 Fair CLR 43 41 93% 30.44 1032.3
02 04:56 SE 3 10.00 Fair CLR 43 39.9 89% 30.44 1032.5
02 03:56 Calm 10.00 Fair CLR 41 41 100% 30.44 1032.3
02 02:56 Calm 10.00 Fair CLR 42.1 39.9 92% 30.45 1032.8
02 01:56 Calm 10.00 Fair CLR 41 39.9 96% 30.47 1033.4
Date Time (est) 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)