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.
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
27 18:56 SE 9 10.00 Fair CLR 66.9 42.1 41% 30.21 1024.3
27 17:56 Vrbl 6 10.00 Fair CLR 69.1 42.1 38% 30.2 1024.0
27 16:56 SE 7 10.00 Fair CLR 71.1 43 36% 30.21 1024.3
27 15:56 Vrbl 5 10.00 Fair CLR 70 42.1 37% 30.22 1024.7
27 14:56 Vrbl 6 10.00 A Few Clouds FEW055 70 43 38% 30.24 1025.2
27 13:56 Vrbl 5 10.00 Mostly Cloudy BKN050 68 44.1 68 46 42% 30.24 1025.4
27 12:56 Calm 10.00 Fair CLR 64.9 43 45% 30.27 1026.3
27 11:56 Calm 10.00 Fair CLR 66 45 47% 30.27 1026.3
27 10:56 SW 3 10.00 A Few Clouds FEW035 63 45 52% 30.28 1026.7
27 09:56 NW 5 10.00 Fair CLR 57.9 44.1 60% 30.28 1026.8
27 08:56 Calm 10.00 Fair CLR 52 46.9 83% 30.27 1026.6
27 07:56 Calm 8.00 Fair CLR 46.4 0 46 37.9 0% 30.26 1026.3
27 06:56 Calm 4.00 Fair with Haze CLR 39.2 0 0% 30.23 1025.2
27 05:56 Calm 2.50 Fog/Mist CLR 37.4 0 0% 30.21 1024.7
27 04:56 Calm 4.00 Fair with Haze CLR 39.2 0 0% 30.22 1024.8
27 03:56 Calm 3.00 Fog/Mist CLR 41 0 0% 30.22 1024.9
27 02:56 Calm 6.00 Fair with Haze CLR 41 0 0% 30.21 1024.7
27 01:56 Calm 8.00 Fair CLR 42.8 0 54 43 0% 30.21 1024.7
27 00:56 Calm 10.00 Fair CLR 44.6 0 0% 30.21 1024.5
26 23:56 Calm 10.00 Fair CLR 46 46 100% 30.2 1024.3
26 22:56 Calm 10.00 Fair CLR 48.9 48.9 100% 30.21 1024.3
26 21:56 SE 3 10.00 Overcast OVC040 53.1 46.9 80% 30.2 1024.2
26 20:56 Calm 10.00 Overcast OVC029 54 46 75% 30.18 1023.5
26 19:56 Vrbl 3 10.00 Overcast OVC035 54 46.9 57.9 51.1 77% 30.16 1022.6
26 18:56 Calm 10.00 Overcast OVC039 55 46 72% 30.14 1022.2
26 17:56 Vrbl 3 10.00 Overcast OVC035 55.9 46 70% 30.13 1021.9
26 16:56 Vrbl 3 10.00 Overcast OVC029 57 45 64% 30.12 1021.5
26 15:56 Vrbl 5 10.00 Overcast OVC025 55 44.1 67% 30.11 1021.2
26 14:56 NE 6 10.00 Overcast OVC023 54 44.1 69% 30.12 1021.4
26 13:56 Vrbl 3 10.00 Overcast OVC019 51.1 44.1 52 44.1 77% 30.13 1021.8
26 12:56 Vrbl 5 10.00 Overcast OVC019 50 44.1 80% 49 30.13 1021.7
26 11:56 Vrbl 5 10.00 Overcast OVC017 51.1 45 80% 30.12 1021.5
26 10:56 Vrbl 3 10.00 Overcast OVC013 48 45 89% 30.12 1021.4
26 09:56 Calm 10.00 Overcast OVC013 48 46 93% 30.1 1020.8
26 08:56 Vrbl 3 10.00 Overcast OVC013 46.9 45 93% 30.09 1020.5
26 07:56 Vrbl 3 10.00 Overcast OVC009 44.6 0 45 43 0% 30.07 1020.1
26 06:56 Vrbl 5 10.00 Overcast OVC009 42.8 0 0% 41 30.05 1019.3
26 05:56 Vrbl 3 10.00 Overcast OVC011 42.8 0 0% 30.03 1018.4
26 04:56 Vrbl 3 10.00 Overcast OVC011 42.8 0 0% 30 1017.5
26 03:56 N 5 10.00 Overcast OVC009 42.8 0 0% 41 29.99 1016.8
26 02:56 Vrbl 3 10.00 Overcast OVC009 44.6 0 0% 29.97 1016.5
26 01:56 Calm 7.00 Light Rain OVC007 44.6 0 48 45 0% 29.97 1016.4 0.04
26 00:56 Vrbl 3 10.00 Overcast BKN009 OVC014 46.4 0 0% 29.96 1016.1
25 23:56 Vrbl 5 10.00 Overcast BKN007 OVC013 46.4 0 0% 45 29.95 1015.7
25 22:56 Calm 10.00 Light Rain OVC005 46.4 0 0% 29.95 1015.6 0.02 0.04
25 21:56 Vrbl 3 6.00 Light Rain OVC005 48.2 0 0% 29.94 1015.5 0.02
25 20:56 Vrbl 3 10.00 Overcast OVC007 48.2 0 0% 29.93 1015.0
25 19:56 Calm 10.00 Light Rain OVC007 48.2 0 61 48 0% 29.9 1014.1 0.13
25 18:56 Vrbl 3 10.00 Overcast OVC007 48.2 0 0% 29.9 1013.8 0.03
25 17:56 Vrbl 6 8.00 Light Rain SCT009 BKN020 OVC095 50 0 0% 48 29.88 1013.3 0.08
25 16:56 E 3 6.00 Rain Fog/Mist OVC023 52 52 100% 29.9 1014.0 0.02 0.02
25 15:56 Vrbl 6 10.00 Light Rain OVC027 55 53.1 93% 29.89 1013.4
25 14:56 Vrbl 6 10.00 Overcast OVC029 60.1 46 60% 29.88 1013.0
25 13:56 Vrbl 6 10.00 Overcast OVC025 61 48.9 62.1 54 65% 29.88 1013.1
25 12:56 Vrbl 5 10.00 Overcast OVC023 61 48.9 65% 29.89 1013.4
25 11:56 E 8 G 16 10.00 Overcast OVC021 60.1 48.9 67% 29.89 1013.5
25 10:56 Vrbl 3 10.00 Overcast OVC019 59 50 72% 29.89 1013.6
25 09:56 Calm 10.00 Overcast OVC015 55.9 51.1 84% 29.91 1014.0
25 08:56 Vrbl 7 10.00 Overcast OVC011 54 53.1 97% 29.91 1014.0
25 07:56 Vrbl 3 10.00 Overcast OVC011 54 53.1 57 52 97% 29.89 1013.5
25 06:56 Calm 10.00 Overcast OVC011 53.1 53.1 100% 29.87 1012.8
25 05:56 E 5 10.00 Partly Cloudy SCT011 52 52 100% 29.84 1011.7
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)