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 07:56 Calm 10.00 Fair CLR 15.1 8.1 74% 30.15 1023.3
05 06:56 Calm 10.00 Fair CLR 14 9 21 12.9 80% 30.14 1023.2
05 05:56 Calm 10.00 Fair CLR 12.9 10 88% 30.14 1023.0
05 04:56 Calm 10.00 Fair CLR 12.9 9 84% 30.13 1022.8
05 03:56 Calm 10.00 Fair CLR 15.1 10.9 84% 30.14 1022.9
05 02:56 Calm 10.00 Fair CLR 16 10 77% 30.16 1023.4
05 01:56 Calm 10.00 Fair CLR 19 9 65% 30.17 1023.9
05 00:56 Calm 10.00 Fair CLR 19.9 9 28 19.9 62% 30.18 1024.3
04 23:56 Calm 10.00 Fair CLR 19.9 10 65% 30.2 1024.9
04 22:56 Calm 10.00 Fair CLR 21.9 10.9 63% 30.21 1025.1
04 21:56 Calm 10.00 Fair CLR 24.1 10.9 57% 30.22 1025.3
04 20:56 Calm 10.00 Fair CLR 26.1 10.9 53% 30.22 1025.2
04 19:56 N 3 10.00 Fair CLR 27 14 58% 30.22 1025.3
04 18:56 Calm 10.00 Fair CLR 28 14 36 28 56% 30.22 1025.4
04 17:56 Calm 10.00 Fair CLR 28.9 16 58% 30.22 1025.3
04 16:56 N 5 10.00 Fair CLR 33.1 12.9 43% 29 30.2 1024.9
04 15:56 N 3 10.00 Fair CLR 34 12 40% 30.2 1024.6
04 14:56 Vrbl 3 10.00 Fair CLR 35.1 12 38% 30.19 1024.3
04 13:56 NW 7 10.00 Fair CLR 34 10.9 38% 29 30.2 1024.9
04 12:56 Vrbl 7 10.00 Fair CLR 35.1 14 37 28 42% 30 30.22 1025.2
04 11:56 Vrbl 5 10.00 Fair CLR 35.1 15.1 44% 32 30.25 1026.5
04 10:56 Vrbl 7 10.00 Fair CLR 33.1 15.1 48% 28 30.26 1026.9
04 09:56 Vrbl 5 10.00 Fair CLR 30.9 17.1 56% 27 30.26 1026.8
04 08:56 Vrbl 5 10.00 Fair CLR 30.9 18 59% 27 30.25 1026.5
04 07:56 Calm 9.00 Fair CLR 28 23 81% 30.22 1025.6
04 06:56 Calm 10.00 Overcast FEW033 OVC046 30 21.9 30.9 30 72% 30.21 1025.2
04 05:56 Calm 10.00 Overcast SCT031 OVC048 30 24.1 79% 30.19 1024.5
04 04:56 Vrbl 3 10.00 Overcast OVC029 30 23 75% 30.18 1024.1
04 03:56 Calm 10.00 Overcast OVC033 30 21.9 72% 30.17 1023.7
04 02:56 Vrbl 3 10.00 Overcast OVC044 30 21.9 72% 30.16 1023.3
04 01:56 Vrbl 3 10.00 Overcast OVC044 30 21.9 72% 30.15 1023.1
04 00:56 NE 5 10.00 Overcast OVC048 30.9 23 33.1 30 72% 27 30.15 1023.0
03 23:56 Vrbl 3 10.00 Overcast OVC050 30.9 23 72% 30.16 1023.2
03 22:56 Calm 10.00 Overcast OVC050 30 24.1 79% 30.16 1023.4
03 21:56 Calm 10.00 Overcast OVC050 30.9 21.9 69% 30.16 1023.3
03 20:56 Calm 10.00 Overcast OVC050 30 23 75% 30.15 1023.2
03 19:56 E 3 10.00 Fair CLR 30.9 23 72% 30.14 1022.8
03 18:56 Calm 10.00 Fair CLR 32 24.1 39.9 32 73% 30.15 1022.8 0.02
03 17:56 Calm 10.00 A Few Clouds FEW100 35.1 21.9 59% 30.15 1023.1
03 16:56 SE 5 10.00 Fair CLR 37.9 21 51% 35 30.15 1023.0
03 15:56 Calm 10.00 Fair CLR 39 21 48% 30.15 1022.9 0.02
03 14:56 SW 5 10.00 Fair CLR 37.9 21 51% 35 30.15 1023.0
03 13:56 Vrbl 6 10.00 Fair CLR 37 19.9 50% 33 30.15 1023.0 0.02
03 12:56 Vrbl 3 10.00 Fair CLR 37 19.9 37 24.1 50% 30.16 1023.6 0.08 0.24
03 11:56 W 6 10.00 Partly Cloudy SCT049 36 19 50% 32 30.2 1024.8 0.1
03 10:56 NW 8 10.00 Overcast OVC049 34 19 54% 28 30.22 1025.5 0.04
03 09:56 W 7 10.00 Overcast OVC049 34 21.9 61% 29 30.23 1025.7 0.01 0.02
03 08:56 Calm 10.00 Overcast OVC049 28.9 19 66% 30.22 1025.5 0.01
03 07:56 Calm 10.00 Overcast BKN045 OVC050 25 15.1 66% 30.2 1025.1
03 06:56 Calm 10.00 Overcast OVC050 25 15.1 26.1 23 66% 30.18 1024.5
03 05:56 Calm 10.00 Overcast OVC046 25 14 63% 30.18 1024.2
03 04:56 Calm 10.00 Overcast OVC050 24.1 12.9 62% 30.18 1024.0
03 03:56 Calm 10.00 Overcast OVC055 24.1 12.9 62% 30.17 1023.9
03 02:56 SE 3 10.00 Overcast OVC048 25 12.9 60% 30.17 1023.6
03 01:56 Calm 10.00 Overcast OVC048 24.1 12 60% 30.17 1023.7
03 00:56 Calm 10.00 Overcast OVC050 23 12.9 23 18 65% 30.17 1023.7
02 23:56 Calm 10.00 Overcast OVC050 23 10 57% 30.17 1023.8
02 22:56 Calm 10.00 Overcast OVC060 23 10 57% 30.17 1023.9
02 21:56 Calm 10.00 Overcast BKN075 OVC110 19.9 7 57% 30.17 1024.1
02 20:56 Calm 10.00 Overcast OVC120 19 7 59% 30.16 1023.7
02 19:56 Calm 10.00 Fair CLR 19 3 49% 30.16 1023.5
02 18:56 Calm 10.00 Fair CLR 21 3.9 32 21 47% 30.16 1023.7
02 17:56 Calm 10.00 Fair CLR 26.1 6.1 42% 30.16 1023.6
02 16:56 NW 9 10.00 Fair CLR 30 9 41% 22 30.14 1022.8
02 15:56 W 10 10.00 Fair CLR 30.9 10 42% 23 30.14 1022.7
02 14:56 W 10 10.00 Fair CLR 32 9 38% 24 30.13 1022.6
02 13:56 NW 13 G 20 10.00 Fair CLR 32 10 40% 23 30.13 1022.3
02 12:56 NW 13 10.00 Fair CLR 30.9 10 30.9 17.1 42% 22 30.15 1023.1
02 11:56 NW 13 G 18 10.00 Fair CLR 30.9 10.9 43% 22 30.19 1024.3
02 10:56 W 20 G 24 10.00 Fair CLR 27 10 49% 14 30.19 1024.7
02 09:56 NW 15 G 22 10.00 Fair CLR 26.1 9 48% 15 30.19 1024.7
02 08:56 NW 15 G 25 10.00 Fair CLR 23 8.1 53% 11 30.17 1024.1
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)