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.
02 07:56 E 7 1.50 Fog/Mist OVC002 55.4 0 63 55.9 0% 30.26 1026.1
02 06:56 Vrbl 5 1.00 Fog/Mist OVC002 59 0 0% 30.23 1024.9
02 05:56 Vrbl 6 4.00 Overcast with Haze OVC006 60.8 0 0% 30.19 1023.4
02 04:56 E 6 10.00 Overcast OVC008 62.6 0 0% 30.17 1022.5
02 03:56 NE 5 7.00 Mostly Cloudy FEW008 BKN014 62.6 0 0% 30.17 1022.5
02 02:56 NE 5 9.00 Overcast OVC012 62.6 0 0% 30.17 1022.6
02 01:56 NE 5 10.00 Partly Cloudy SCT100 62.6 0 64.9 61 0% 30.16 1022.4 0.01
02 00:56 Calm 10.00 Mostly Cloudy BKN110 62.6 0 0% 30.15 1022.2
01 23:56 E 5 10.00 Fair CLR 62.6 0 0% 30.11 1020.7
01 22:56 E 3 10.00 Mostly Cloudy FEW047 BKN090 62.6 0 0% 30.1 1020.4 0.01 0.01
01 21:56 Vrbl 3 10.00 Thunderstorm in Vicinity SCT065 BKN080 BKN100 64.4 0 0% 30.12 1021.0
01 20:56 NE 5 10.00 Overcast OVC070 64.4 0 0% 30.09 1020.0
01 19:56 Calm 10.00 Mostly Cloudy BKN100 64.4 0 84.9 64.9 0% 30.07 1019.6 0.44
01 18:56 Calm 9.00 Thunderstorm Light Rain FEW055 SCT070 BKN100 66.9 66.9 100% 30.07 1019.3 0.19
01 17:56 N 9 G 32 2.00 Thunderstorm Heavy Rain Fog/Mist FEW019 BKN065 OVC080 69.1 64.9 87% 30.06 1018.9 0.25
01 16:56 SE 6 10.00 Overcast BKN075 OVC095 82.9 55 38% 82 30.03 1017.6
01 15:56 W 7 10.00 A Few Clouds FEW075 84.9 55.9 37% 84 30.04 1018.0
01 14:56 W 8 10.00 A Few Clouds FEW070 84 55.9 38% 83 30.06 1018.7
01 13:56 W 12 10.00 Mostly Cloudy BKN070 82.9 57 82.9 62.1 41% 82 30.08 1019.4
01 12:56 W 9 G 21 10.00 Overcast OVC060 81 57 44% 81 30.09 1019.9
01 11:56 SW 14 G 17 10.00 A Few Clouds FEW050 82 57.9 44% 82 30.1 1019.9
01 10:56 SW 7 10.00 Fair CLR 78.1 57 48% 79 30.1 1020.1
01 09:56 S 8 10.00 Fair CLR 73.9 57.9 57% 30.08 1019.6
01 08:56 S 6 10.00 Mostly Cloudy BKN065 69.1 57 66% 30.09 1019.8
01 07:56 Calm 10.00 Fair CLR 62.1 57.9 72 62.1 86% 30.07 1019.5
01 06:56 SW 3 10.00 Fair CLR 64 57 78% 30.04 1018.5
01 05:56 Calm 10.00 Fair CLR 64.9 55.9 73% 30.02 1017.7
01 04:56 SW 6 10.00 Fair CLR 68 55 63% 30.01 1016.9
01 03:56 SW 8 10.00 Partly Cloudy SCT075 70 55 59% 29.99 1016.4
01 02:56 SW 9 10.00 Fair CLR 71.1 55 57% 29.99 1016.5
01 01:56 SW 8 G 17 10.00 Fair CLR 72 54 78.1 71.1 53% 29.99 1016.5
01 00:56 SW 12 G 22 10.00 Fair CLR 72 54 53% 29.99 1016.4
31 23:56 SW 10 G 20 10.00 Fair CLR 73 54 51% 29.99 1016.3
31 22:56 SW 9 G 22 10.00 Fair CLR 73.9 54 50% 29.97 1016.0
31 21:56 S 12 G 17 10.00 Fair CLR 75.9 54 47% 78 29.98 1016.1
31 20:56 S 10 G 20 10.00 Fair CLR 75.9 54 47% 78 29.98 1016.3
31 19:56 S 9 10.00 Fair CLR 78.1 54 82.9 78.1 43% 79 29.98 1016.1
31 18:56 SW 9 G 17 10.00 Mostly Cloudy BKN090 80.1 54 41% 80 29.97 1016.0
31 17:56 SW 10 G 18 10.00 Mostly Cloudy BKN070 BKN090 82 55 40% 81 29.96 1015.7
31 16:56 SW 12 G 18 10.00 A Few Clouds FEW070 81 55 41% 81 29.98 1016.2
31 15:56 S 12 G 18 10.00 Mostly Cloudy BKN065 81 55 41% 81 30 1016.8
31 14:56 SW 13 G 20 10.00 A Few Clouds FEW060 81 55 41% 81 30.03 1017.8
31 13:56 SW 14 G 22 10.00 Fair CLR 81 55 81 62.1 41% 81 30.06 1018.9
31 10:56 SW 15 G 20 10.00 Fair CLR 72 52 50% 30.12 1020.8
31 09:56 SW 12 G 17 10.00 Fair CLR 68 51.1 55% 30.13 1021.4
31 08:56 SW 8 10.00 Fair CLR 64 51.1 63% 30.14 1021.8
31 07:56 SW 7 10.00 Fair CLR 62.1 50 64 60.1 65% 30.14 1022.0
31 06:56 Vrbl 3 10.00 Fair CLR 60.1 50 70% 30.14 1021.7
31 05:56 SW 8 10.00 Fair CLR 61 50 67% 30.12 1021.2
31 04:56 SW 9 G 16 10.00 Fair CLR 61 50 67% 30.1 1020.4
31 03:56 SW 7 10.00 Fair CLR 62.1 50 65% 30.1 1020.5
31 02:56 SW 7 G 17 10.00 Fair CLR 63 50 63% 30.11 1020.6
31 01:56 SW 10 G 18 10.00 Fair CLR 64 50 66 64 60% 30.12 1021.2
31 00:56 SW 14 G 22 10.00 Fair CLR 64 50 60% 30.13 1021.5
30 23:56 SW 7 G 16 10.00 Fair CLR 64.9 51.1 61% 30.14 1022.0
30 22:56 SW 9 10.00 Fair CLR 64.9 51.1 61% 30.16 1022.6
30 21:56 SW 8 G 16 10.00 Fair CLR 64.9 51.1 61% 30.17 1022.8
30 20:56 SW 10 G 17 10.00 A Few Clouds FEW120 64.9 51.1 61% 30.16 1022.4
30 19:56 SW 10 G 21 10.00 Fair CLR 66 51.1 70 63 59% 30.15 1022.3
30 18:56 SW 10 G 20 10.00 Partly Cloudy SCT100 68 51.1 55% 30.15 1022.4
30 17:56 SW 14 G 20 10.00 Partly Cloudy SCT100 68 51.1 55% 30.15 1022.2
30 16:56 SW 13 G 18 10.00 Mostly Cloudy SCT080 BKN110 70 50 49% 30.15 1022.3
30 15:56 SW 12 G 21 10.00 A Few Clouds FEW100 69.1 50 51% 30.17 1023.0
30 14:56 SW 14 G 20 10.00 Fair CLR 66.9 48.9 53% 30.2 1023.9
30 13:56 SW 15 G 22 10.00 Overcast OVC095 63 46.9 64 50 56% 30.23 1024.9 0.04
30 12:56 SW 12 10.00 Partly Cloudy SCT110 61 48 63% 30.25 1025.7
30 11:56 SW 15 G 18 10.00 Mostly Cloudy BKN110 57 48.9 74% 30.28 1026.7
30 10:56 SW 9 10.00 Overcast OVC085 55 48.9 80% 30.29 1027.3 0.04
30 09:56 SW 7 10.00 Overcast BKN070 OVC080 52 48.9 89% 30.3 1027.5 0.01
30 08:56 SW 6 9.00 Rain OVC075 50 46.9 89% 48 30.3 1027.7 0.03
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)