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.
17 21:56 Calm 7.00 Fair CLR 37.4 0 0% 30.09 1020.6
17 20:56 Calm 9.00 Fair CLR 39 39 100% 30.1 1021.1
17 19:56 SE 3 9.00 Fair CLR 39 39 100% 30.11 1021.3
17 18:56 SE 5 10.00 Fair CLR 43 41 51.1 42.1 93% 41 30.12 1021.6
17 17:56 SE 8 10.00 Fair CLR 45 39.9 83% 41 30.11 1021.4
17 16:56 SE 5 10.00 Fair CLR 48.9 39 69% 48 30.11 1021.2
17 15:56 SE 3 10.00 Fair CLR 48.9 39 69% 30.1 1021.0
17 14:56 Vrbl 3 10.00 Fair CLR 48.9 39 69% 30.1 1021.2
17 13:56 W 5 10.00 Fair CLR 46.9 39.9 77% 45 30.11 1021.6
17 12:56 Calm 8.00 Mostly Cloudy BKN006 43 41 43 35.1 93% 30.14 1022.2
17 11:56 SW 5 5.00 Overcast with Haze OVC004 39.2 0 0% 36 30.16 1023.2
17 10:56 Calm 1.50 Fog/Mist OVC002 37.4 0 0% 30.17 1023.8
17 09:56 S 5 0.25 Fog OVC002 37.4 0 0% 34 30.17 1023.8
17 08:56 S 6 0.25 Fog OVC002 35.6 0 0% 31 30.19 1024.2
17 07:56 S 6 0.25 Fog OVC002 35.6 0 0% 31 30.18 1023.8
17 06:56 SW 5 0.25 Fog OVC002 35.6 0 35.1 32 0% 32 30.18 1024.0
17 05:56 S 3 0.50 Fog OVC002 35.6 0 0% 30.17 1023.6
17 04:56 S 5 1.50 Fog/Mist OVC002 35.6 0 0% 32 30.16 1023.2
17 03:56 S 3 1.25 Fog/Mist OVC002 35.6 0 0% 30.16 1023.2
17 02:56 S 6 2.50 Fog/Mist OVC004 33.8 0 0% 29 30.17 1023.5
17 01:56 SE 7 3.00 Fog/Mist OVC004 33.8 0 0% 28 30.18 1023.8
17 00:56 SE 3 2.50 Fog/Mist OVC014 32 0 34 28 0% 30.19 1024.2
16 23:56 Calm 1.50 Fog/Mist BKN012 OVC017 28.4 0 0% 30.19 1024.4
16 22:56 Calm 1.75 Fog/Mist CLR 28.9 28.9 100% 30.18 1024.0
16 21:56 SE 3 2.50 Fog/Mist CLR 30 30 100% 30.19 1024.3
16 20:56 Calm 3.00 Fog/Mist CLR 30.2 0 0% 30.18 1024.1
16 19:56 Calm 6.00 Fair with Haze CLR 33.8 0 0% 30.17 1023.8
16 18:56 E 3 9.00 Fair CLR 35.6 0 43 35.1 0% 30.18 1023.8
16 17:56 Calm 10.00 Fair CLR 37.9 37 97% 30.17 1023.6
16 16:56 Calm 10.00 Overcast OVC016 41 37 86% 30.16 1023.0
16 15:56 Calm 10.00 Overcast OVC016 41 36 82% 30.15 1022.7
16 14:56 Calm 10.00 Overcast OVC014 41 36 82% 30.14 1022.5
16 13:56 NW 3 10.00 Overcast OVC012 39.9 37 89% 30.14 1022.4
16 12:56 Vrbl 3 10.00 Overcast OVC012 39 37.9 39 33.1 96% 30.14 1022.6
16 11:56 Calm 6.00 Fog/Mist OVC008 37 37 100% 30.16 1023.1
16 10:56 NW 6 5.00 Overcast with Haze OVC006 35.6 0 0% 31 30.15 1022.8
16 09:56 NW 5 4.00 Overcast with Haze OVC006 35.6 0 0% 32 30.13 1022.2
16 08:56 N 3 4.00 Overcast with Haze OVC006 35.6 0 0% 30.12 1021.7
16 07:56 Calm 2.00 Fog/Mist OVC004 33.8 0 0% 30.1 1021.2
16 06:56 Vrbl 3 2.50 Fog/Mist OVC004 33.8 0 35.1 33.1 0% 30.07 1020.2
16 05:56 Vrbl 5 2.50 Fog/Mist OVC004 33.8 0 0% 30 30.03 1018.7
16 04:56 Calm 2.50 Fog/Mist OVC004 33.8 0 0% 30.01 1018.1
16 03:56 Vrbl 6 3.00 Fog/Mist OVC004 33.8 0 0% 29 29.99 1017.4
16 02:56 N 7 2.50 Fog/Mist OVC004 35.6 0 0% 31 29.97 1016.6
16 01:56 N 5 3.00 Fog/Mist OVC004 35.6 0 0% 32 29.95 1016.1
16 00:56 NE 5 3.00 Fog/Mist OVC004 35.6 0 37.9 35.1 0% 32 29.93 1015.5 0.25
15 23:56 Calm 3.00 Unknown Precip OVC004 35.6 0 0% 29.95 1016.0 0.04
15 22:56 Vrbl 5 2.00 Light Rain OVC004 35.6 0 0% 32 29.97 1016.6 0.03
15 21:56 NE 3 2.00 Light Rain OVC004 35.6 0 0% 29.95 1015.9 0.05 0.18
15 20:56 Calm 2.50 Light Rain OVC004 35.6 0 0% 29.95 1016.1 0.06
15 19:56 Calm 2.00 Light Rain OVC004 37.4 0 0% 29.95 1016.1 0.07
15 18:56 Vrbl 3 2.50 Light Rain SCT004 BKN025 OVC044 37.4 0 46.9 37 0% 29.95 1016.1 0.07 0.25
15 17:56 E 3 2.00 Light Rain OVC004 37.4 0 0% 29.95 1015.9 0.04
15 16:56 E 6 1.50 Light Rain FEW005 BKN015 OVC038 37.4 0 0% 33 29.94 1015.7 0.07
15 15:56 E 3 3.00 Light Rain BKN020 OVC027 39.2 0 0% 29.96 1016.4 0.05 0.07
15 14:56 Calm 5.00 Light Rain Fog/Mist BKN033 OVC041 41 41 100% 29.98 1016.8 0.02
15 13:56 SE 3 10.00 Light Rain SCT035 BKN044 OVC050 44.1 35.1 71% 30 1017.6
15 12:56 Calm 10.00 Light Rain BKN049 OVC060 46 28.9 46.9 33.1 51% 30.01 1018.1
15 11:56 SE 5 10.00 Overcast OVC060 46 28 50% 44 30.04 1018.9
15 10:56 Calm 10.00 Overcast OVC065 45 27 49% 30.04 1019.1
15 09:56 Calm 10.00 Overcast OVC095 43 28 56% 30.04 1019.2
15 08:56 Calm 10.00 Overcast OVC110 42.1 30 62% 30.04 1019.1
15 07:56 Calm 10.00 A Few Clouds FEW120 36 33.1 89% 30.04 1018.9
15 06:56 Calm 10.00 Fair CLR 33.1 30 36 30.9 89% 30.04 1019.2
15 05:56 Calm 10.00 Fair CLR 32 28.9 88% 30.04 1019.1
15 04:56 Calm 10.00 Fair CLR 32 28.9 88% 30.04 1018.9
15 03:56 Calm 10.00 Fair CLR 33.1 28 82% 30.04 1019.1
15 02:56 Calm 10.00 Fair CLR 34 30 85% 30.05 1019.2
15 01:56 Calm 10.00 Fair CLR 33.1 28.9 85% 30.07 1020.1
15 00:56 Calm 10.00 Fair CLR 36 28.9 42.1 34 76% 30.08 1020.2
14 23:56 Calm 10.00 Fair CLR 35.1 28.9 78% 30.08 1020.6
14 22:56 Calm 10.00 Fair CLR 35.1 30 82% 30.09 1020.6
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)