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.
27 00:56 Calm 10.00 Overcast OVC024 37 26.1 37.9 34 65% 29.79 1010.7
26 23:56 Calm 10.00 Overcast OVC032 37 27 67% 29.78 1010.4
26 22:56 SE 5 10.00 Overcast BKN036 OVC046 37 25 62% 34 29.78 1010.4
26 21:56 SE 6 10.00 Overcast OVC036 36 25 64% 32 29.81 1011.2
26 20:56 S 8 10.00 Overcast OVC040 36 25 64% 30 29.83 1012.2
26 19:56 SE 9 10.00 Overcast OVC044 35.1 24.1 64% 29 29.85 1012.8
26 18:56 SE 12 10.00 Overcast OVC048 34 23 34 32 64% 26 29.88 1013.9
26 17:56 S 12 G 17 10.00 Overcast OVC038 33.1 21.9 64% 25 29.91 1014.7
26 16:56 SE 12 10.00 Light Rain OVC044 33.1 18 54% 25 29.94 1016.1
26 15:56 SE 9 10.00 Overcast OVC044 33.1 16 49% 26 29.99 1017.4
26 14:56 SE 10 G 21 10.00 Overcast OVC044 32 17.1 54% 24 30 1018.1
26 13:56 SE 10 G 18 10.00 Overcast OVC044 32 18 56% 24 30.04 1019.3
26 12:56 SE 8 10.00 Overcast OVC044 32 17.1 34 28.9 54% 25 30.11 1021.5
26 11:56 S 7 10.00 Light Rain BKN048 OVC060 33.1 16 49% 28 30.14 1022.6
26 10:56 Calm 10.00 Light Rain OVC075 33.1 12.9 43% 30.2 1024.6
26 09:56 Vrbl 3 10.00 Fair CLR 33.1 12.9 43% 30.22 1025.1
26 08:56 Calm 10.00 Fair CLR 30.9 17.1 56% 30.23 1025.5
26 07:56 Calm 10.00 Fair CLR 30 19 64% 30.21 1024.9
26 06:56 Vrbl 3 10.00 Fair CLR 28.9 19 34 27 66% 30.2 1024.5
26 05:56 Calm 10.00 Fair CLR 28 19 69% 30.22 1025.1
26 04:56 Calm 10.00 Fair CLR 30 18 61% 30.2 1024.5
26 03:56 Calm 10.00 Fair CLR 32 21 64% 30.19 1024.1
26 02:56 NE 3 10.00 Fair CLR 32 19 59% 30.2 1024.5
26 01:56 Calm 10.00 Fair CLR 32 17.1 54% 30.19 1024.0
26 00:56 Vrbl 6 10.00 Fair CLR 34 18 46.9 33.1 52% 29 30.16 1023.2
25 23:56 N 6 10.00 Fair CLR 35.1 19.9 54% 31 30.18 1023.9
25 22:56 NE 5 10.00 Fair CLR 37.9 19.9 48% 35 30.17 1023.5
25 21:56 NE 5 10.00 Fair CLR 39.9 21 47% 37 30.16 1023.1
25 20:56 N 5 10.00 Fair CLR 42.1 21 43% 40 30.14 1022.2
25 19:56 Calm 10.00 Fair CLR 46 21 37% 30.09 1020.5
25 18:56 Calm 10.00 Fair CLR 46.9 30 57.9 46.9 52% 30.07 1019.8
25 17:56 NW 6 10.00 Fair CLR 51.1 30.9 46% 30.03 1018.5
25 16:56 NW 6 10.00 Fair CLR 53.1 37 55% 29.97 1016.6
25 15:56 Vrbl 7 G 16 10.00 Fair CLR 55 37.9 53% 29.94 1015.2
25 14:56 NW 10 10.00 Fair CLR 57.9 39.9 51% 29.91 1014.4
25 13:56 Vrbl 7 G 18 10.00 Fair CLR 54 41 62% 29.9 1014.0
25 12:56 W 9 G 17 10.00 Mostly Cloudy BKN019 48.9 34 50 39.9 56% 45 29.91 1014.7
25 11:56 W 9 10.00 Overcast OVC024 46.9 32 56% 43 29.96 1016.3
25 10:56 W 7 10.00 Overcast BKN038 OVC046 45 33.1 63% 42 29.99 1017.3
25 09:56 Vrbl 6 10.00 Light Rain FEW035 SCT055 OVC075 46 28.9 51% 44 30.01 1017.9
25 08:56 S 7 10.00 A Few Clouds FEW037 44.1 25 47% 41 30 1017.7
25 07:56 S 6 10.00 Mostly Cloudy BKN043 41 24.1 51% 38 30.04 1019.1
25 06:56 S 5 10.00 Mostly Cloudy BKN050 41 23 41 36 49% 38 30.11 1021.5
25 05:56 Vrbl 5 10.00 Overcast OVC100 39.9 24.1 53% 37 30.09 1020.8
25 04:56 SE 7 10.00 Overcast OVC055 37.9 23 55% 33 30.14 1022.2
25 03:56 S 5 10.00 Fair CLR 39.9 23 51% 37 30.18 1023.7
25 02:56 S 3 10.00 A Few Clouds FEW120 37.9 24.1 57% 30.21 1024.8
25 01:56 Calm 10.00 Fair CLR 37.9 24.1 57% 30.24 1025.6
25 00:56 Calm 10.00 Fair CLR 37 25 42.1 36 62% 30.25 1026.2
24 23:56 Calm 10.00 Fair CLR 37 23 57% 30.27 1026.6
24 22:56 W 3 10.00 Fair CLR 39 23 53% 30.28 1027.2
24 21:56 Calm 10.00 Fair CLR 42.1 21.9 45% 30.27 1026.6
24 20:56 Calm 10.00 Fair CLR 42.1 21 43% 30.29 1027.5
24 19:56 Calm 10.00 Fair CLR 39 21.9 50% 30.3 1027.8
24 18:56 Calm 10.00 Fair CLR 41 23 54 39.9 49% 30.29 1027.6
24 17:56 Calm 10.00 Fair CLR 42.1 19.9 41% 30.29 1027.4
24 16:56 Calm 10.00 Fair CLR 46 19 34% 30.27 1026.7
24 15:56 NW 6 10.00 Fair CLR 50 19 29% 48 30.26 1026.3
24 14:56 Vrbl 7 10.00 Fair CLR 53.1 19 26% 30.24 1025.7
24 13:56 NW 12 G 20 10.00 Fair CLR 53.1 21 28% 30.22 1025.0
24 12:56 Vrbl 7 G 18 10.00 Fair CLR 53.1 21.9 54 46.9 30% 30.21 1024.5
24 11:56 NW 9 G 21 10.00 Fair CLR 53.1 21.9 30% 30.23 1025.3
24 10:56 N 9 10.00 Fair CLR 53.1 23 31% 30.23 1025.4
24 09:56 Vrbl 6 G 18 10.00 Fair CLR 51.1 24.1 35% 30.22 1025.0
24 07:56 NW 8 10.00 Fair CLR 46.9 30.9 54% 44 30.16 1022.9
24 06:56 NW 16 G 24 10.00 Fair CLR 48 33.1 51.1 37 56% 42 30.11 1021.4
24 05:56 NW 18 G 30 10.00 Fair CLR 50 34 54% 44 30.08 1020.3
24 04:56 Vrbl 7 10.00 Fair CLR 48.9 39.9 71% 46 30.07 1019.7
24 03:56 NW 7 10.00 Fair CLR 46 44.1 93% 43 30.04 1018.9
24 02:56 NW 6 10.00 Partly Cloudy SCT045 41 37.9 89% 38 30.02 1018.5
24 01:56 W 3 10.00 Mostly Cloudy BKN049 37.9 37.9 100% 30.01 1018.0
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)