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.
13 13:56 SW 7 10.00 Fair CLR 82 60.1 82.9 53.1 47% 82 29.98 1016.4
13 12:56 SW 8 10.00 Fair CLR 81 60.1 49% 82 30.01 1017.2
13 11:56 Vrbl 7 10.00 Fair CLR 79 59 50% 80 30.03 1017.7
13 10:56 S 5 10.00 Fair CLR 75.9 57 52% 78 30.03 1018.0
13 09:56 Calm 10.00 Fair CLR 71.1 59 66% 30.04 1018.5
13 08:56 Calm 10.00 Fair CLR 62.1 57.9 86% 30.04 1018.4
13 07:56 Calm 6.00 Fog/Mist CLR 53.1 53.1 57 52 100% 30.03 1018.0
13 06:56 Calm 2.00 Fog/Mist CLR 53.1 53.1 100% 30.02 1017.8
13 05:56 Calm 10.00 Fair CLR 53.1 53.1 100% 30.01 1017.4
13 04:56 Calm 9.00 Fair CLR 53.1 53.1 100% 29.99 1016.8
13 03:56 Calm 2.50 Fog/Mist CLR 54 54 100% 29.98 1016.4
13 02:56 W 3 10.00 Fair CLR 55 55 100% 29.98 1016.6
13 01:56 NW 3 10.00 Fair CLR 57 57 63 57 100% 29.98 1016.4
13 00:56 W 5 10.00 Fair CLR 59 59 100% 29.99 1016.5
12 23:56 W 5 10.00 Fair CLR 59 59 100% 29.99 1016.6
12 22:56 W 6 10.00 Fair CLR 57.2 0 0% 29.98 1016.5
12 21:56 Calm 10.00 Fair CLR 60.1 60.1 100% 29.96 1016.0
12 20:56 NW 3 10.00 Fair CLR 60.1 60.1 100% 29.96 1015.7
12 19:56 Calm 10.00 Fair CLR 63 61 73 63 93% 29.95 1015.5
12 18:56 NW 3 8.00 Fair CLR 64.9 61 87% 29.93 1014.9
12 17:56 NW 12 10.00 Fair CLR 70 59 68% 29.93 1014.8
12 16:56 NW 8 10.00 Mostly Cloudy BKN036 72 60.1 66% 29.93 1014.5
12 15:56 Vrbl 7 10.00 Overcast OVC036 73 61 66% 29.92 1014.3
12 14:56 NW 14 10.00 Mostly Cloudy BKN030 73 61 66% 29.93 1014.6
12 13:56 NW 10 10.00 Overcast OVC030 72 61 73 57 68% 29.94 1014.9
12 12:56 Vrbl 7 10.00 Mostly Cloudy BKN030 73 61 66% 29.95 1015.2
12 11:56 NW 12 G 20 10.00 Mostly Cloudy BKN026 70 61 73% 29.94 1015.1
12 10:56 NW 8 10.00 Mostly Cloudy BKN022 66 61 84% 29.93 1014.6
12 09:56 NW 7 10.00 Overcast OVC025 61 61 100% 29.92 1014.5
12 08:56 NW 6 10.00 Overcast FEW005 SCT025 OVC032 59 59 100% 29.9 1013.8
12 06:56 Vrbl 3 10.00 Overcast BKN008 OVC055 57 57 100% 29.85 1012.1
12 05:56 Vrbl 6 10.00 Overcast BKN010 OVC055 57.9 57.9 100% 29.82 1011.1
12 04:56 Vrbl 5 10.00 Light Rain OVC007 57.9 57.9 100% 29.79 1010.2 0.06 0.08
12 03:56 NW 7 4.00 Light Rain Fog/Mist OVC005 57.9 57.9 100% 29.76 1009.1 0.02
12 02:56 Calm 6.00 Fog/Mist OVC007 57.9 57.9 100% 29.75 1008.8
12 01:56 Vrbl 3 10.00 Overcast OVC007 59 0 63 59 0% 29.76 1008.9 0.14
12 00:56 Calm 10.00 Overcast OVC007 60.1 60.1 100% 29.75 1008.7
11 23:56 Calm 10.00 Overcast OVC005 60.1 60.1 100% 29.78 1009.6 0.02
11 22:56 Calm 5.00 Light Rain Fog/Mist OVC005 63 63 100% 29.8 1010.3 0.12 0.12
11 21:56 Calm 10.00 Overcast OVC003 63 63 100% 29.8 1010.3
11 20:56 Vrbl 3 8.00 Overcast OVC003 63 63 100% 29.81 1010.8
11 19:56 Calm 4.00 Light Rain Fog/Mist OVC005 61 61 64 61 100% 29.83 1011.2 0.01 0.14
11 18:56 Calm 10.00 Light Rain OVC005 61 61 100% 29.85 1012.0 0.01
11 17:56 Calm 7.00 Light Rain OVC005 62.1 62.1 100% 29.86 1012.5 0.03
11 16:56 Vrbl 3 2.50 Light Rain Fog/Mist OVC005 64 64 100% 29.89 1013.3 0.02 0.09
11 15:56 Vrbl 3 1.75 Light Rain Fog/Mist OVC005 64 64 100% 29.91 1014.0 0.02
11 14:56 Vrbl 5 3.00 Light Rain Fog/Mist OVC005 62.1 62.1 100% 29.93 1014.8 0.05
11 13:56 Vrbl 5 2.50 Light Rain Fog/Mist BKN005 OVC022 61 61 61 60.1 100% 29.97 1016.1 0.17 1.42
11 12:56 Vrbl 5 5.00 Light Rain Fog/Mist OVC005 61 61 100% 30.02 1017.7 0.03
11 11:56 Vrbl 7 3.00 Light Rain Fog/Mist OVC007 60.1 60.1 100% 30.06 1019.3 0.19
11 10:56 Vrbl 7 2.50 Rain Fog/Mist BKN007 OVC010 60.1 60.1 100% 30.11 1020.8 0.49 1.03
11 09:56 Calm 2.00 Heavy Rain Fog/Mist OVC007 60.1 60.1 100% 30.16 1022.5 0.38
11 08:56 Vrbl 3 3.00 Heavy Rain Fog/Mist OVC007 60.1 60.1 100% 30.16 1022.5 0.16
11 06:56 Vrbl 7 4.00 Heavy Rain Fog/Mist OVC007 59 59 100% 30.2 1023.9 0.23
11 05:56 Vrbl 5 4.00 Rain BKN007 OVC014 57.2 0 0% 30.22 1024.5 0.2
11 04:56 Vrbl 3 5.00 Rain SCT022 BKN028 OVC050 57.2 0 0% 30.23 1025.1 0.16 0.24
11 03:56 Calm 10.00 Rain BKN027 BKN033 OVC055 59 59 100% 30.26 1026.0 0.08
11 02:56 Vrbl 3 10.00 Light Rain BKN080 OVC100 60.1 59 96% 30.28 1026.7
11 01:56 Vrbl 5 10.00 Overcast OVC085 60.1 59 63 60.1 96% 30.31 1027.6
11 00:56 Vrbl 3 10.00 Overcast OVC090 60.1 59 96% 30.33 1028.3
10 23:56 Vrbl 3 10.00 Light Rain OVC095 62.1 55.9 80% 30.36 1029.0
10 22:56 Vrbl 3 10.00 Overcast FEW047 OVC100 62.1 55 78% 30.37 1029.5
10 21:56 Vrbl 3 10.00 Overcast OVC100 62.1 54 75% 30.37 1029.9
10 20:56 E 3 10.00 Overcast FEW044 OVC110 62.1 52 70% 30.37 1029.5
10 19:56 Vrbl 3 10.00 Mostly Cloudy SCT048 BKN120 63 48.9 69.1 62.1 60% 30.37 1029.6
10 18:56 Vrbl 3 10.00 Fair CLR 64 50 60% 30.35 1029.2
10 17:56 Calm 10.00 A Few Clouds FEW110 64.9 52 63% 30.36 1029.3
10 16:56 Calm 10.00 A Few Clouds FEW110 66 53.1 63% 30.37 1029.8
10 15:56 Calm 10.00 Fair CLR 68 51.1 55% 30.39 1030.2
10 14:56 Vrbl 6 10.00 Fair CLR 68 51.1 55% 30.38 1030.1
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)