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.
30 18:56 NW 12 G 20 10.00 Partly Cloudy FEW055 SCT080 57.9 39 50% 29.86 1012.7
30 17:56 NW 17 G 23 10.00 A Few Clouds FEW060 63 39 41% 29.83 1011.4
30 16:56 NW 14 G 23 10.00 Overcast BKN070 OVC085 63 37 38% 29.81 1010.7
30 15:56 W 17 G 24 10.00 A Few Clouds FEW070 64 36 35% 29.79 1010.0
30 14:56 W 16 G 21 10.00 Partly Cloudy SCT070 66.9 37.9 35% 29.79 1009.8
30 13:56 W 15 G 26 10.00 A Few Clouds FEW065 64.9 37 66 51.1 36% 29.79 1010.0
30 12:56 W 16 G 24 10.00 A Few Clouds FEW065 64.9 39 39% 29.8 1010.4
30 11:56 W 14 G 23 10.00 Partly Cloudy SCT050 63 42.1 47% 29.81 1010.7
30 10:56 NW 13 G 24 10.00 Partly Cloudy SCT048 62.1 43 50% 29.82 1011.0
30 09:56 NW 10 G 16 10.00 Fair CLR 60.1 46.9 62% 29.82 1011.2
30 08:56 NW 10 10.00 Fair CLR 55 55 100% 29.81 1010.9
30 07:56 NW 5 10.00 Fair CLR 51.8 0 52 46.9 0% 29.81 1010.8 0.01
30 06:56 NW 5 10.00 Fair CLR 50 0 0% 49 29.8 1010.5
30 05:56 NW 3 2.50 Fog/Mist CLR 48.2 0 0% 29.78 1009.8 0.01
30 04:56 W 5 0.75 Fog/Mist VV002 48.2 0 0% 47 29.78 1009.9
30 03:56 Calm 0.50 Fog BKN002 OVC014 51.8 0 0% 29.76 1009.2
30 02:56 Calm 0.50 Fog SCT002 BKN009 OVC013 51.8 0 0% 29.76 1008.9
30 01:56 SE 5 0.50 Fog SCT004 BKN040 51.8 0 55 51.1 0% 29.75 1008.8 0.13
30 00:56 Calm 4.00 Mostly Cloudy with Haze SCT012 BKN023 53.6 0 0% 29.77 1009.5
29 23:56 Calm 10.00 Overcast OVC010 53.6 0 0% 29.77 1009.3
29 22:56 SE 5 10.00 Overcast OVC010 55.4 0 0% 29.78 1009.7 0.04 0.13
29 21:56 SE 7 6.00 Light Rain OVC006 53.6 0 0% 29.77 1009.5 0.05
29 20:56 SE 16 8.00 Rain BKN006 OVC014 55.4 0 0% 29.75 1008.9 0.04
29 19:56 SE 10 10.00 Overcast FEW006 BKN010 OVC014 55.4 0 61 55 0% 29.76 1009.1 0.01 0.42
29 18:56 SE 8 6.00 Rain SCT004 BKN039 OVC060 55.4 0 0% 29.76 1009.2 0.32
29 17:56 SE 5 7.00 Rain OVC021 55.4 0 0% 29.8 1010.5 0.09
29 16:56 SE 10 10.00 Light Rain SCT015 OVC025 57.9 57.9 100% 29.79 1010.0
29 15:56 SE 10 10.00 Overcast OVC017 60.1 57 90% 29.81 1010.6
29 14:56 SE 9 10.00 Overcast OVC017 60.1 55.9 86% 29.85 1012.0
29 13:56 SE 9 10.00 Overcast OVC017 60.1 55 60.1 53.1 84% 29.89 1013.4
29 12:56 S 9 10.00 Overcast OVC019 59 53.1 81% 29.91 1014.1
29 11:56 SE 9 10.00 Overcast OVC019 57.9 51.1 78% 29.93 1014.9
29 10:56 SE 7 10.00 Overcast OVC019 55.9 48.9 77% 29.96 1015.9
29 09:56 SE 9 10.00 Overcast OVC017 55.9 46.9 72% 29.97 1016.0
29 08:56 SE 8 10.00 Overcast OVC017 54 46 75% 29.97 1016.2
29 07:56 SE 6 10.00 Overcast OVC017 53.1 45 54 53.1 74% 29.96 1016.1
29 06:56 SE 6 10.00 Overcast OVC017 53.1 45 74% 29.97 1016.3
29 05:56 SE 9 10.00 Overcast OVC017 53.1 44.1 72% 29.97 1016.1
29 04:56 SE 7 10.00 Overcast OVC017 53.1 44.1 72% 29.98 1016.5
29 03:56 Vrbl 3 10.00 Overcast OVC019 53.1 46.9 80% 29.97 1016.2
29 02:56 SE 5 10.00 Overcast OVC019 54 46.9 77% 29.98 1016.6
29 01:56 E 7 10.00 Overcast OVC022 54 46.9 57 54 77% 30.01 1017.6
29 00:56 SE 7 10.00 Overcast OVC024 55 48 77% 30.04 1018.8
28 23:56 SE 5 10.00 Overcast OVC024 55 48 77% 30.04 1018.6
28 22:56 SE 6 10.00 Overcast OVC028 55.9 46.9 72% 30.06 1019.3
28 21:56 SE 5 10.00 Overcast OVC026 55.9 46 70% 30.06 1019.2
28 20:56 Calm 10.00 Overcast OVC026 55.9 46.9 72% 30.03 1018.3
28 19:56 E 3 10.00 Overcast OVC026 57 50 60.1 55 78% 30.03 1018.4
28 18:56 Calm 10.00 Overcast BKN030 OVC044 59 48.9 69% 30.05 1018.9
28 17:56 E 6 10.00 Overcast OVC032 59 46.9 64% 30.05 1018.8
28 16:56 SE 9 10.00 Overcast BKN032 OVC046 59 46 62% 30.05 1019.1
28 15:56 SE 12 10.00 Overcast FEW032 OVC050 57.9 45 62% 30.06 1019.4
28 14:56 SE 9 10.00 Overcast FEW032 OVC050 57 45 64% 30.08 1019.9
28 13:56 SE 9 10.00 Overcast OVC044 55 44.1 55 51.1 67% 30.1 1020.6
28 12:56 E 5 10.00 Overcast OVC050 53.1 46.9 80% 30.12 1021.6
28 11:56 SE 7 10.00 Overcast OVC060 52 46.9 83% 30.15 1022.2
28 10:56 SE 7 10.00 Light Rain OVC065 51.1 46 83% 30.17 1023.1
28 09:56 S 5 10.00 Light Rain SCT080 OVC100 53.1 44.1 72% 30.17 1023.0
28 08:56 S 6 10.00 Mostly Cloudy BKN120 53.1 41 64% 30.16 1022.6
28 07:56 S 8 10.00 A Few Clouds FEW120 52 41 52 48.9 66% 30.18 1023.4
28 06:56 S 5 10.00 Fair CLR 50 43 77% 49 30.17 1022.9
28 05:56 S 3 10.00 Fair CLR 50 43 77% 30.17 1023.1
28 04:56 S 5 10.00 Fair CLR 50 44.1 80% 49 30.18 1023.3
28 03:56 SE 7 10.00 Fair CLR 50 46 86% 48 30.2 1024.0
28 02:56 SE 6 10.00 Fair CLR 48.9 45 86% 47 30.22 1024.6
28 01:56 SE 8 10.00 Fair CLR 50 46 62.1 50 86% 47 30.21 1024.2
28 00:56 SE 8 10.00 Fair CLR 51.1 46 83% 30.23 1024.8
27 23:56 E 3 10.00 Fair CLR 53.1 43 69% 30.24 1025.2
27 22:56 SE 5 10.00 Fair CLR 55.9 41 57% 30.23 1025.2
27 21:56 SE 3 10.00 Fair CLR 55 42.1 62% 30.24 1025.4
27 20:56 SE 5 10.00 Fair CLR 57.9 42.1 56% 30.23 1025.1
27 19:56 SE 7 10.00 Fair CLR 62.1 41 71.1 62.1 46% 30.22 1024.9
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)